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US5365243A Expired / Lapsed US ⏱️ 0.0 years remaining

Planar waveguide for integrated transmitter and receiver circuits

Assignee: Daimler Benz AG
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Filing: 1992-06-15
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Granted: 1994-11-15
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Expires: 2012-06-15
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Abstract

Abstract A planar waveguide structure for mm-wave transmitters and receivers. The active semiconductor component elements and the planar waveguide with which they are connected of the transmitters and/or receivers are arranged on the front side of a semiconductor substrate. The rear side or surface of the semiconductor substrate is at least partially formed as an inwardly or outwardly radiating surface and is geometrically shaped such that an electromagnetic property incident or emanating radiation is altered in a predetermined manner.

Inventors

  • 👤 Josef Buchler
  • 👤 Erich Kasper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 04:14
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/27; H01Q1/32; H01Q1/325; H01Q1/3275; H01Q19/00; H01Q19/06; H01Q23/00

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 115 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least one of an inwardly radiating surface and an outwardly radiating surface; and said rear surface of said substrate is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner and is formed of planar faces parallel to said rear surface and lens portions transverse to said rear surface.
Claim 2
Dependent Claim 115 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least one of an inwardly radiating surface and an outwardly radiating surface; and said rear surface of said substrate is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner and is formed of planar faces parallel to said rear surface and lens portions transverse to said rear surface.
Claim 3
Dependent Claim 40 words
The planar waveguide structure as defined in claim 1, wherein said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, generate and radiate outwardly directed microwave power.
Claim 4
Dependent Claim 38 words
The planar waveguide structure as defined in claim 1, wherein said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, receive and detect microwave power.
Claim 5
Dependent Claim 42 words
The planar waveguide structure as defined in claim 1, wherein said active semiconductor component structures and said planar waveguide structures on said front surface of said semiconductor substrate comprise a plurality of at least one of a transmitter and a receiver element.
Claim 6
Dependent Claim 104 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least one of an inwardly radiating surface and an outwardly radiating surface; and said rear surface of said semiconductor substrate is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner and is formed as a diffraction grid.
Claim 7
Dependent Claim 104 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least one of an inwardly radiating surface and an outwardly radiating surface; and said rear surface of said semiconductor substrate is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner and is formed as a diffraction grid.
Claim 8
Dependent Claim 140 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least one of an inwardly radiating surface and an outwardly radiating surface; and at least one additional layer is applied on said rear surface of said semiconductor substrate and is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner, with said at least one additional layer including a layer of reflecting metal structures arranged on said rear surface of said semiconductor substrate to geometrically shape said rear surface and alter said electromagnetic radiation.
Claim 9
Dependent Claim 140 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least one of an inwardly radiating surface and an outwardly radiating surface; and at least one additional layer is applied on said rear surface of said semiconductor substrate and is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner, with said at least one additional layer including a layer of reflecting metal structures arranged on said rear surface of said semiconductor substrate to geometrically shape said rear surface and alter said electromagnetic radiation.
Claim 10
Dependent Claim 40 words
The planar waveguide structure as defined in claim 11, wherein said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, generate and radiate outwardly directed microwave power.
Claim 11
Dependent Claim 38 words
The planar waveguide structure as defined in claim 6, wherein said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, receive and detect microwave power.
Claim 12
Dependent Claim 42 words
The planar waveguide structure as defined in claim 6, wherein said active semiconductor component structures and said planar waveguide structures on said front surface of said semiconductor substrate comprise a plurality of at least one of a transmitter and a receiver element.
Claim 13
Dependent Claim 149 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least an outwardly radiating surface and is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner; and said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, generate and radiate outwardly directed microwave power, with said at least one active semiconductor component element and said planar waveguide structures on said front surface of said semiconductor substrate including an integrated transmitter circuit containing a planar IMPATT-diode and a slot resonator.
Claim 14
Dependent Claim 149 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least an outwardly radiating surface and is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner; and said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, generate and radiate outwardly directed microwave power, with said at least one active semiconductor component element and said planar waveguide structures on said front surface of said semiconductor substrate including an integrated transmitter circuit containing a planar IMPATT-diode and a slot resonator.
Claim 15
Dependent Claim 148 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least an inwardly radiating surface and is geometrically shaped such that electromagnetic property of at least incident electromagnetic radiation is altered in a predetermined manner; and said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, receive and detect inwardly directed microwave power, with said at least one active semiconductor component element and said planar waveguide structures on said front surface of said semiconductor substrate including an integrated receiver circuit containing a planar Schottky-diode and a slot resonator.
Claim 16
Dependent Claim 148 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least an inwardly radiating surface and is geometrically shaped such that electromagnetic property of at least incident electromagnetic radiation is altered in a predetermined manner; and said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, receive and detect inwardly directed microwave power, with said at least one active semiconductor component element and said planar waveguide structures on said front surface of said semiconductor substrate including an integrated receiver circuit containing a planar Schottky-diode and a slot resonator.
Claim 17
Dependent Claim 171 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least one of an inwardly radiating surface and an outwardly radiating surface; at least one additional layer is applied on said rear surface of said semiconductor substrate and is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner; and, said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, generate and radiate outwardly directed microwave power, with said at least one active semiconductor component element and said planar waveguide structures on said front surface of said semiconductor substrate including an integrated transmitter circuit containing a planar IMPATT-diode and a slot resonator.
Claim 18
Dependent Claim 171 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structures arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least one of an inwardly radiating surface and an outwardly radiating surface; at least one additional layer is applied on said rear surface of said semiconductor substrate and is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner; and, said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, generate and radiate outwardly directed microwave power, with said at least one active semiconductor component element and said planar waveguide structures on said front surface of said semiconductor substrate including an integrated transmitter circuit containing a planar IMPATT-diode and a slot resonator.
Claim 19
Dependent Claim 51 words
The planar waveguide structure as defined in claim 12, wherein said at least one additional layer includes a layer of at least one of dielectric material domes and ferromagnetic material domes provided on said rear surface of said semiconductor substrate to geometrically shape said rear surface and alter said electromagnetic radiation.
Claim 20
Dependent Claim 169 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structure arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least one of an inwardly radiating surface and an outwardly radiating surface; at least one additional layer is applied on said rear surface of said semiconductor substrate and is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner; and, said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, receive and detect microwave power, with said at least one active semiconductor component element and said planar waveguide structures on said front surface of said semiconductor substrate including an integrated receiver circuit containing a planar Schottky-diode and a slot resonator.
Claim 21
Dependent Claim 169 words
In a planar waveguide structure for transmitters and receivers including a semiconductor substrate having a front surface and an opposite rear surface, and at least one active semiconductor component element connected with planar waveguide structure arranged on said front surface; the improvement wherein: said rear surface of said semiconductor substrate is at least partially formed as at least one of an inwardly radiating surface and an outwardly radiating surface; at least one additional layer is applied on said rear surface of said semiconductor substrate and is geometrically shaped such that an electromagnetic property of incident or emanating electromagnetic radiation is altered in a predetermined manner; and, said at least one active semiconductor component element connected with planar waveguide structures, and provided on said front surface of said semiconductor substrate, receive and detect microwave power, with said at least one active semiconductor component element and said planar waveguide structures on said front surface of said semiconductor substrate including an integrated receiver circuit containing a planar Schottky-diode and a slot resonator.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-11-14 1998-05-16 1998-11-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-11-14 2002-05-16 2002-11-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-11-14 2006-05-16 2006-11-15 $7700.00 Window Closed / Lapsed

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