Integrated series capacitors for high reliability electronic applications including decoupling circuits

Claim 2

A surface mount integrated series capacitor comprising : a first and a second capacitor connected in series ; an insulated sealed package for enclosing the first and second capacitors ; said capacitors being formed of stacked plates separated by a dielectric material and in which each plate has a termination edge and with an outer termination edge of every other plate for the first and second capacitors connected to one another end to the connection means at either end of the sealed package and with an inner termination edge of every other plate for the first and second capacitors connected to one another and to a common inner termination edge ; and connection means associated with the first and second capacitors for connecting the integrated series capacitor to a circuit board.

Claim 3

The integrated series capacitor as claimed in claim 1 and wherein: the connection means comprises solder material at either end of the sealed package.

Claim 4

The integrated series capacitor as claimed in claim 2 and wherein: the integrated series capacitor is used in a decoupling circuit on a circuit board.

Claim 5

The integrated series capacitor as claimed in claim 2 and wherein: a barrier layer is located between the solder material and the outer termination edges.

Claim 6

A surface mount integrated series capacitor comprising: a. a first and a second capacitor each including; i. a first set of stacked plates separated by a dielectric material and connected at an outer termination edge; ii. a second set of stacked plates alternating in between the first set of stacked plates separated by a dielectric and connected at an inner termination edge common to both capacitors; b. an insulated sealed package for enclosing the first and second capacitors; and c. connection means connected to the outer termination edges of the first capacitor and to the outer termination edges of the second capacitor for connecting the integrated series capacitor to a circuit board.

Claim 7

A surface mount integrated series capacitor comprising: a. a first and a second capacitor each including; i. a first set of stacked plates separated by a dielectric material and connected at an outer termination edge; ii. a second set of stacked plates alternating in between the first set of stacked plates separated by a dielectric and connected at an inner termination edge common to both capacitors; b. an insulated sealed package for enclosing the first and second capacitors; and c. connection means connected to the outer termination edges of the first capacitor and to the outer termination edges of the second capacitor for connecting the integrated series capacitor to a circuit board.

Claim 8

The integrated series capacitor as claimed in claim 5 and wherein: the stacked plates are formed of a leaf-like material embedded in a ceramics dielectric.

Claim 9

The integrated series capacitor as claimed in claim 6 and wherein: the connection means comprises solder material at either end of the insulated sealed package.

Claim 10

The integrated series capacitor as claimed in claim 7 and wherein: the integrated series capacitor is used in a decoupling circuit on a circuit board.

Claim 11

The integrated series capacitor as claimed in claim 7 and wherein: the stacked plates are formed of nickel.

Claim 12

The integrated series capacitor as claimed in claim 7 and wherein: the stacked plates are formed of a palladium/silver alloy.

Claim 13

The integrated series capacitor as claimed in claim 7 and further comprising: a barrier layer formed between the solder material and outer termination edges of each capacitor.

Claim 14

A circuit board surface mount integrated series capacitor for use in a decoupling circuit to replace two separate capacitors wired in series, comprising: a first capacitor formed of a plurality of stacked plates separated by a dielectric material and with a first set of every other plate having a first edge embedded in the dielectric material and an outer termination edge connected to one another and a second set of every other plate having a first edge embedded in the dielectric material and an inner termination edge connected to one another; a second capacitor formed of a plurality of stacked plates separated by a dielectric material and with a first set of every other plate having a first edge embedded in the dielectric material and an outer termination edge connected to one another and a second set of every other plate having a first edge embedded in the dielectric material and an inner termination edge connected to one another and to the inner termination edges of the second set of plates of the first capacitor; and an insulated sealed package for enclosing the first and second capacitors, having solder material at either end connected to the outer termination edges of the first and second capacitors respectively for connection to the circuit board.

Claim 15

A circuit board surface mount integrated series capacitor for use in a decoupling circuit to replace two separate capacitors wired in series, comprising: a first capacitor formed of a plurality of stacked plates separated by a dielectric material and with a first set of every other plate having a first edge embedded in the dielectric material and an outer termination edge connected to one another and a second set of every other plate having a first edge embedded in the dielectric material and an inner termination edge connected to one another; a second capacitor formed of a plurality of stacked plates separated by a dielectric material and with a first set of every other plate having a first edge embedded in the dielectric material and an outer termination edge connected to one another and a second set of every other plate having a first edge embedded in the dielectric material and an inner termination edge connected to one another and to the inner termination edges of the second set of plates of the first capacitor; and an insulated sealed package for enclosing the first and second capacitors, having solder material at either end connected to the outer termination edges of the first and second capacitors respectively for connection to the circuit board.

Claim 16

The integrated series capacitor as claimed in claim 12 and wherein: the dielectric material is a ceramic.

Claim 17

The integrated series capacitor as claimed in claim 12 and wherein: the plates are formed of nickel.

Claim 18

The integrated series capacitor as claimed in claim 12 and wherein: the plates are formed of a palladium/silver alloy.

Claim 19

The integrated series capacitor as claimed in claim 12 and wherein: the integrated series capacitor is connected between a supply voltage (Vcc) input and a ground (Vss) connection for a semiconductor chip.