Ultrasound transducer array with transmitter/receiver integrated circuitry

Claim 2

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of low impedance multilayer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element, wherein said low voltage transmitter transmits voltages of about 15 V or less to said transmit elements; and receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements.

Claim 3

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of low impedance multilayer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector, and wherein a plurality of said low impedance transmit elements comprise at least 5 layers to reduce the associated electrical impedance; a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements.

Claim 4

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of low impedance multilayer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector, and wherein a plurality of said low impedance transmit elements comprise at least 5 layers to reduce the associated electrical impedance; a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements.

Claim 5

An ultrasonic transducer assembly according to claim 2 wherein said transducer assembly is a linear array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 12 Ohms or less at operating frequency.

Claim 6

An ultrasonic transducer assembly according to claim 2 wherein said transducer assembly is a 1.5D array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 40 Ohms or less at operating frequency.

Claim 7

An ultrasonic transducer assembly according to claim 2 wherein said transducer assembly is a 2D array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 200 Ohms or less at operating frequency.

Claim 8

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements to form an array of transducer elements, said array of transducer elements being comprised of a set of multilayer transmit transducer elements and a set of single layer receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector: a transmitter integral with said transducer assembly for selectively providing a low voltage electrical signal to said transmit transducer elements to generate an ultrasonic pulse, wherein said transmitter transmits imaging pulse voltages of about 15 V or less to said transmit elements; processing means integral with said transducer assembly and operably associated with said transmitter for controlling said ultrasonic pulses; receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for applying said selected electrical signal.

Claim 9

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements to form an array of transducer elements, said array of transducer elements being comprised of a set of multilayer transmit transducer elements and a set of single layer receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector: a transmitter integral with said transducer assembly for selectively providing a low voltage electrical signal to said transmit transducer elements to generate an ultrasonic pulse, wherein said transmitter transmits imaging pulse voltages of about 15 V or less to said transmit elements; processing means integral with said transducer assembly and operably associated with said transmitter for controlling said ultrasonic pulses; receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for applying said selected electrical signal.

Claim 10

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements to form an array of transducer elements, said array of transducer elements being comprised of a set of multilayer transmit transducer elements and a set of single layer receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector, and wherein a plurality of said low impedance transmit elements comprise at least 5 layers to reduce the associated electrical impedance; a transmitter integral with said transducer assembly for selectively providing a low voltage electrical signal to said transmit transducer elements to generate an ultrasonic pulse, processing means integral with said transducer assembly and operably associated with said transmitter for controlling said ultrasonic pulses; receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for applying said selected electrical signal.

Claim 11

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements to form an array of transducer elements, said array of transducer elements being comprised of a set of multilayer transmit transducer elements and a set of single layer receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector, and wherein a plurality of said low impedance transmit elements comprise at least 5 layers to reduce the associated electrical impedance; a transmitter integral with said transducer assembly for selectively providing a low voltage electrical signal to said transmit transducer elements to generate an ultrasonic pulse, processing means integral with said transducer assembly and operably associated with said transmitter for controlling said ultrasonic pulses; receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for applying said selected electrical signal.

Claim 12

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements to form an array of transducer elements, said array of transducer elements being comprised of a set of multilayer transmit transducer elements and a set of single layer receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; a transmitter integral with said transducer assembly for selectively providing a low voltage electrical signal to said transmit transducer elements to generate an ultrasonic pulse; processing means integral with said transducer assembly and operably associated with said transmitter for controlling said ultrasonic pulses; receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for applying said selected electrical signal, wherein said transducer assembly is a linear array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 12 Ohms or less at operating frequency.

Claim 13

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements to form an array of transducer elements, said array of transducer elements being comprised of a set of multilayer transmit transducer elements and a set of single layer receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; a transmitter integral with said transducer assembly for selectively providing a low voltage electrical signal to said transmit transducer elements to generate an ultrasonic pulse; processing means integral with said transducer assembly and operably associated with said transmitter for controlling said ultrasonic pulses; receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for applying said selected electrical signal, wherein said transducer assembly is a linear array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 12 Ohms or less at operating frequency.

Claim 14

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements to form an array of transducer elements, said array of transducer elements being comprised of a set of multilayer transmit transducer elements and a set of single layer receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; a transmitter integral with said transducer assembly for selectively providing a low voltage electrical signal to said transmit transducer elements to generate an ultrasonic pulse; processing means integral with said transducer assembly and operably associated with said transmitter for controlling said ultrasonic pulses; receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for applying said selected electrical signal, wherein said transducer assembly is a 1.5D array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 40 Ohms or less at operating frequency.

Claim 15

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements to form an array of transducer elements, said array of transducer elements being comprised of a set of multilayer transmit transducer elements and a set of single layer receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; a transmitter integral with said transducer assembly for selectively providing a low voltage electrical signal to said transmit transducer elements to generate an ultrasonic pulse; processing means integral with said transducer assembly and operably associated with said transmitter for controlling said ultrasonic pulses; receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for applying said selected electrical signal, wherein said transducer assembly is a 1.5D array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 40 Ohms or less at operating frequency.

Claim 16

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements to form an array of transducer elements, said array of transducer elements being comprised of a set of multilayer transmit transducer elements and a set of single layer receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; a transmitter integral with said transducer assembly for selectively providing a low voltage electrical signal to said transmit transducer elements to generate an ultrasonic pulse; processing means integral with said transducer assembly and operably associated with said transmitter for controlling said ultrasonic pulses; receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for applying said selected electrical signal, wherein said transducer assembly is a 2D array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 200 Ohms or less at operating frequency.

Claim 17

An ultrasonic transducer assembly comprising: a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements to form an array of transducer elements, said array of transducer elements being comprised of a set of multilayer transmit transducer elements and a set of single layer receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; a transmitter integral with said transducer assembly for selectively providing a low voltage electrical signal to said transmit transducer elements to generate an ultrasonic pulse; processing means integral with said transducer assembly and operably associated with said transmitter for controlling said ultrasonic pulses; receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for applying said selected electrical signal, wherein said transducer assembly is a 2D array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 200 Ohms or less at operating frequency.

Claim 18

An ultrasonic scanner comprising: an ultrasonic transducer assembly comprising: (a) a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; (b) an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of multi-layer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; (c) a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element, wherein said low voltage transmitter transmits transducer acoustic energizing voltages of about 15 V or less to said transmit elements; and (d) receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; transmit processing means operably associated with said ultrasonic transducer assembly for controlling said ultrasonic pulses; receive processing means operably associated with said ultrasonic transducer assembly for processing said electrical signals corresponding to said ultrasonic pulse received from said target to produce a display output signal; and display means operably associated with said receive processing means for displaying said display output signal.

Claim 19

An ultrasonic scanner comprising: an ultrasonic transducer assembly comprising: (a) a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; (b) an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of multi-layer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; (c) a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element, wherein said low voltage transmitter transmits transducer acoustic energizing voltages of about 15 V or less to said transmit elements; and (d) receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; transmit processing means operably associated with said ultrasonic transducer assembly for controlling said ultrasonic pulses; receive processing means operably associated with said ultrasonic transducer assembly for processing said electrical signals corresponding to said ultrasonic pulse received from said target to produce a display output signal; and display means operably associated with said receive processing means for displaying said display output signal.

Claim 20

An ultrasonic scanner comprising: an ultrasonic transducer assembly comprising: (a) a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; (b) an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of multi-layer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; (c) a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and (d) receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; transmit processing means operably associated with said ultrasonic transducer assembly for controlling said ultrasonic pulses; receive processing means operably associated with said ultrasonic transducer assembly for processing said electrical signals corresponding to said ultrasonic pulse received from said target to produce a display output signal; and display means operably associated with said receive processing means for displaying said display output signal, wherein said transducer assembly is a linear array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 12 Ohms or less at operating frequency.

Claim 21

An ultrasonic scanner comprising: an ultrasonic transducer assembly comprising: (a) a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; (b) an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of multi-layer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; (c) a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and (d) receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; transmit processing means operably associated with said ultrasonic transducer assembly for controlling said ultrasonic pulses; receive processing means operably associated with said ultrasonic transducer assembly for processing said electrical signals corresponding to said ultrasonic pulse received from said target to produce a display output signal; and display means operably associated with said receive processing means for displaying said display output signal, wherein said transducer assembly is a linear array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 12 Ohms or less at operating frequency.

Claim 22

An ultrasonic scanner comprising: an ultrasonic transducer assembly comprising: (a) a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; (b) an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of multi-layer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; (c) a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and (d) receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; transmit processing means operably associated with said ultrasonic transducer assembly for controlling said ultrasonic pulses; receive processing means operably associated with said ultrasonic transducer assembly for processing said electrical signals corresponding to said ultrasonic pulse received from said target to produce a display output signal; and display means operably associated with said receive processing means for displaying said display output signal, wherein said transducer assembly is a 1.5D array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 40 Ohms or less at operating frequency.

Claim 23

An ultrasonic scanner comprising: an ultrasonic transducer assembly comprising: (a) a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; (b) an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of multi-layer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; (c) a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and (d) receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; transmit processing means operably associated with said ultrasonic transducer assembly for controlling said ultrasonic pulses; receive processing means operably associated with said ultrasonic transducer assembly for processing said electrical signals corresponding to said ultrasonic pulse received from said target to produce a display output signal; and display means operably associated with said receive processing means for displaying said display output signal, wherein said transducer assembly is a 1.5D array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 40 Ohms or less at operating frequency.

Claim 24

An ultrasonic scanner comprising: an ultrasonic transducer assembly comprising: (a) a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; (b) an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of multi-layer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; (c) a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and (d) receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; transmit processing means operably associated with said ultrasonic transducer assembly for controlling said ultrasonic pulses; receive processing means operably associated with said ultrasonic transducer assembly for processing said electrical signals corresponding to said ultrasonic pulse received from said target to produce a display output signal; and display means operably associated with said receive processing means for displaying said display output signal, wherein said transducer assembly is a 2D array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 200 Ohms or less at operating frequency.

Claim 25

An ultrasonic scanner comprising: an ultrasonic transducer assembly comprising: (a) a connector having an upper surface, a lower surface and an array of connector pads formed in said connector for electrically connecting said upper surface to said lower surface; (b) an ultrasonic transducer chip mounted on said upper surface of said connector, said ultrasonic transducer chip being divided into a plurality of transducer elements, said plurality of transducer elements being comprised of a set of multi-layer transmit transducer elements and a set of receive transducer elements and wherein said ultrasonic transducer chip is mounted on said connector such that a plurality of transducer elements from said transmit set of transducer elements are electrically connected to said lower surface of said connector and a plurality of said receive set of transducer elements are electrically connected to said lower surface of said connector; (c) a low voltage transmitter integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and (d) receive circuitry means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; transmit processing means operably associated with said ultrasonic transducer assembly for controlling said ultrasonic pulses; receive processing means operably associated with said ultrasonic transducer assembly for processing said electrical signals corresponding to said ultrasonic pulse received from said target to produce a display output signal; and display means operably associated with said receive processing means for displaying said display output signal, wherein said transducer assembly is a 2D array transducer assembly and a plurality of said multi-layer transmit elements have an electrical impedance of about 200 Ohms or less at operating frequency.

Claim 26

The ultrasonic transducer assembly of claim 1 wherein said transmitter further comprises: transmit switching means integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and transmit amplifier means integral with said transducer assembly and responsive to a trigger signal for providing a high voltage electrical signal to said transmit switching means to generate said ultrasonic pulse.

Claim 27

The ultrasonic transducer assembly of claim 1 wherein said transmitter and said receive circuitry means are mounted in said transducer handle.

Claim 28

The ultrasonic transducer assembly of claim 2 wherein said transmitter further comprises: transmit switching means integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and transmit amplifier means integral with said transducer assembly and responsive to a trigger signal for providing a high voltage electrical signal to said transmit switching means to generate said ultrasonic pulse.

Claim 29

The ultrasonic transducer assembly of claim 2 wherein said transmitter and said receive circuitry means are mounted in said transducer handle.

Claim 30

The ultrasonic transducer assembly of claim 6 wherein said transmitter, said receive switching means and said receive amplifier means are mounted in said transducer handle.

Claim 31

The ultrasonic transducer assembly of claim 6 wherein said transmitter, said receive switching means and said receive amplifier means are mounted on said connector.

Claim 32

The ultrasonic transducer assembly of claim 7 wherein said transmitter, said receive switching means and said receive amplifier means are mounted in said transducer handle.

Claim 33

The ultrasonic transducer assembly of claim 7 wherein said transmitter, said receive switching means and said receive amplifier means are mounted on said connector.

Claim 34

The ultrasonic transducer assembly of claim 8 wherein said transmitter, said receive switching means and said receive amplifier means are mounted in said transducer handle.

Claim 35

The ultrasonic transducer assembly of claim 8 wherein said transmitter, said receive switching means and said receive amplifier means are mounted on said connector.

Claim 36

The ultrasonic transducer assembly of claim 9 wherein said transmitter, said receive switching means and said receive amplifier means are mounted in said transducer handle.

Claim 37

The ultrasonic transducer assembly of claim 9 wherein said transmitter, said receive switching means and said receive amplifier means are mounted on said connector.

Claim 38

The ultrasonic transducer assembly of claim 10 wherein said transmitter, said receive switching means and said receive amplifier means are mounted in said transducer handle.

Claim 39

The ultrasonic transducer assembly of claim 10 wherein said transmitter, said receive switching means and said receive amplifier means are mounted on said connector.

Claim 40

The ultrasonic scanner of claim 11 wherein said transmit circuitry means further comprises: transmit switching means integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and transmit amplifier means integral with said transducer assembly and responsive to a trigger signal for providing a high voltage electrical signal to said transmit switching means to generate said ultrasonic pulse.

Claim 41

The ultrasonic scanner claim 29 wherein said receive circuitry means comprises: receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for amplifying said selected electrical signal.

Claim 42

The ultrasonic transducer assembly of claim 30 wherein said transmit switching means, said transmit amplifier means, said receive switching means and said receive amplifier means are mounted in said transducer handle.

Claim 43

The ultrasonic transducer assembly of claim 30 wherein said transmit switching means, said transmit amplifier means, said receive switching means and said receive amplifier means are mounted on said connector.

Claim 44

The ultrasonic scanner of claim 12 wherein said transmit circuitry means further comprises: transmit switching means integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and transmit amplifier means integral with said transducer assembly and responsive to a trigger signal for providing a high voltage electrical signal to said transmit switching means to generate said ultrasonic pulse.

Claim 45

The ultrasonic scanner claim 33 wherein said receive circuitry means comprises: receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for amplifying said selected electrical signal.

Claim 46

The ultrasonic transducer assembly of claim 34 wherein said transmit switching means, said transmit amplifier means, said receive switching means and said receive amplifier means are mounted in said transducer handle.

Claim 47

The ultrasonic transducer assembly of claim 34 wherein said transmit switching means, said transmit amplifier means, said receive switching means and said receive amplifier means are mounted on said connector.

Claim 48

The ultrasonic scanner of claim 13 wherein said transmit circuitry means further comprises: transmit switching means integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and transmit amplifier means integral with said transducer assembly and responsive to a trigger signal for providing a high voltage electrical signal to said transmit switching means to generate said ultrasonic pulse.

Claim 49

The ultrasonic scanner claim 37 wherein said receive circuitry means comprises: receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for amplifying said selected electrical signal.

Claim 50

The ultrasonic transducer assembly of claim 38 wherein said transmit switching means, said transmit amplifier means, said receive switching means and said receive amplifier means are mounted in said transducer handle.

Claim 51

The ultrasonic transducer assembly of claim 38 wherein said transmit switching means, said transmit amplifier means, said receive switching means and said receive amplifier means are mounted on said connector.

Claim 52

The ultrasonic scanner of claim 14 wherein said transmit circuitry means further comprises: transmit switching means integral with said transducer assembly and operably associated with said transmit set of transducer elements for selectively providing an electrical signal to at least a preselected one of said transmit set of transducer elements to thereby generate an ultrasonic pulse from said preselected transducer element; and transmit amplifier means integral with said transducer assembly and responsive to a trigger signal for providing a high voltage electrical signal to said transmit switching means to generate said ultrasonic pulse.

Claim 53

The ultrasonic scanner claim 41 wherein said receive circuitry means comprises: receive switching means integral with said transducer assembly and operably associated with said receive set of transducer elements for selecting an electrical signal corresponding to an ultrasonic signal from a target received by a selected one of said receive set of transducer elements; and receive amplifier means integral with said transducer assembly and operably associated with said receive switching means for amplifying said selected electrical signal.

Claim 54

The ultrasonic transducer assembly of claim 42 wherein said transmit switching means, said transmit amplifier means, said receive switching means and said receive amplifier means are mounted in said transducer handle.

Claim 55

The ultrasonic transducer assembly of claim 42 wherein said transmit switching means, said transmit amplifier means, said receive switching means and said receive amplifier means are mounted on said connector.