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US5416356A Expired / Lapsed US ⏱️ 0.0 years remaining

Integrated circuit having passive circuit elements

Assignee: NXP USA Inc
•
Filing: 1993-09-03
•
Granted: 1995-05-16
•
Expires: 2013-09-03
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Abstract

Abstract An integrated circuit is formed from a first layer of conductive material (30) which is separated from a second layer of conductive material (39) by a layer of dielectric material (36). The first layer of conductive material (30) is patterned to form a first plate (32, 59) of a capacitor (22, 50, 62, 72). An electrical interconnect (33, 63) is formed within the first plate (32, 59), respectively. A via (37) is formed in the layer of dielectric material (36). A second layer of conductive material (39) is patterned to form a second plate (42, 56, 66, 76) of the capacitor (22, 50, 62, 72) and a planar spiral inductor (21, 51, 61, 71). The planar spiral inductor (21, 51, 61, 71) is surrounded by the second plate (42, 56, 66, 76) of the capacitor (22, 50, 62, 72).

Inventors

  • 👤 Joseph Staudinger
  • 👤 Warren L. Seely
  • 👤 Howard W. Patterson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 09:08
CPC Classifications
H; H10; H10D; H10D84/00

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 36 words
An integrated circuit, comprising: a capacitor comprising first and second electrically conductive layers having a dielectric layer disposed therebetween; and an inductor formed on the dielectric layer and substantially surrounded by the second electrically conductive layer.
Claim 2
Dependent Claim 36 words
An integrated circuit, comprising: a capacitor comprising first and second electrically conductive layers having a dielectric layer disposed therebetween; and an inductor formed on the dielectric layer and substantially surrounded by the second electrically conductive layer.
Claim 3
Dependent Claim 18 words
An integrated circuit as claimed in claim 1, wherein the inductor is a circular shaped planar spiral inductor.
Claim 4
Dependent Claim 18 words
An integrated circuit as claimed in claim 1, wherein the inductor is a rectangular shaped planar spiral inductor.
Claim 5
Dependent Claim 23 words
An integrated circuit as claimed in claim 1, wherein the inductor has a first terminal electrically coupled to the second electrically conductive layer.
Claim 6
Dependent Claim 23 words
An integrated circuit as claimed in claim 4, wherein the inductor has a second terminal electrically coupled to the first electrically conductive layer.
Claim 7
Dependent Claim 23 words
An integrated circuit as claimed in claim 1, wherein the inductor has a first terminal electrically coupled to the first electrically conductive layer.
Claim 8
Dependent Claim 20 words
An integrated circuit as claimed in claim 1, wherein the second electrically conductive layer is shorted to a ground potential.

References Cited (Backward Citations)

US3138744A Cited
US3675091A Cited
JPS5338274A Cited
US4839712A Cited
JPS6236395A Cited
US4801883A Cited
JPS63140560A Cited
US4969032A Cited
US5223735A Cited
JPH0389548A Cited
US5283462A Cited
US5177381A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1998-05-15 1998-11-14 1999-05-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2002-05-15 2002-11-14 2003-05-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2006-05-15 2006-11-14 2007-05-16 $7700.00 Window Closed / Lapsed

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