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US6072690A Expired / Lapsed US ⏱️ 0.0 years remaining

High k dielectric capacitor with low k sheathed signal vias

Assignee: Google LLC
•
Filing: 1998-01-15
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Granted: 2000-06-06
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Expires: 2018-01-15
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Abstract

Abstract A multi-layer ceramic capacitor and method of manufacturing the capacitor, the capacitor having signal vias surrounded by an area containing a material having a low dielectric constant, the via and surrounding area of low dielectric constant material inserted in a material having a high dielectric constant.

Inventors

  • 👤 Mukta S. Farooq
  • 👤 Harvey C. Hamel
  • 👤 Robert A. Rita
  • 👤 Herbert I. Stoller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 02:08
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/16; H05K1/162; H01; H01G; H01G4/00; H01G4/30; H10; H10W; H10W70/00; H10W70/60; H10W70/62; H10W70/63; H10W70/635; H10W72/00; H05K1/02; H05K1/03; H05K1/0306; H05K1/11; H05K1/115; H05K2201/00; H05K2201/01; H05K2201/0183; H05K2201/0187; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/09581; H10W90/00; H10W90/701; H10W90/721; H10W90/724; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057; Y10T156/1062; Y10T156/107

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 71 words
A multilayer ceramic capacitor comprising in combination: a capacitor structure being a plurality of layers of high dielectric constant material disposed between metallic electrodes; and at least one metal via passing through said layers of high dielectric constant material and end portions of said electrodes and said metal via sheathed in a material of low dielectric constant material separating said metal via from said high dielectric constant material and said electrodes.
Claim 2
Dependent Claim 71 words
A multilayer ceramic capacitor comprising in combination: a capacitor structure being a plurality of layers of high dielectric constant material disposed between metallic electrodes; and at least one metal via passing through said layers of high dielectric constant material and end portions of said electrodes and said metal via sheathed in a material of low dielectric constant material separating said metal via from said high dielectric constant material and said electrodes.
Claim 3
Dependent Claim 25 words
A multilayer ceramic capacitor according to claim 1 including signal vias passing through said capacitor structure in a generally parallel relationship to said metal via.
Claim 4
Dependent Claim 28 words
A multilayer ceramic capacitor according to claim 1 including a plurality of signal vias disposed in a spaced apart and generally parallel relationships passing through said capacitor structure.
Claim 5
Dependent Claim 19 words
A multilayer ceramic capacitor according to claim 1 interposed between a high performance semiconductor chip and a chip carrier.
Claim 6
Dependent Claim 19 words
A multilayer ceramic capacitor according to claim 1 interposed between a high performance semiconductor chip and a multi-chip carrier.
Claim 7
Dependent Claim 17 words
A multilayer ceramic capacitor according to claim 1 formed as an integral part of a chip carrier.
Claim 8
Dependent Claim 17 words
A multilayer ceramic capacitor according to claim 1 formed as an integral part of a multi-chip carrier.

References Cited (Backward Citations)

US4349862A Cited
US4567542A Cited
US4757235A Cited
US4935844A Cited
US5177670A Cited
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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) 2003-06-06 2003-12-06 2004-06-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-06-06 2007-12-06 2008-06-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-06-06 2011-12-06 2012-06-06 $7700.00 Window Closed / Lapsed

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