US4055850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor with electrode containing nickel
Assignee: Kemet Electronics Corp
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Filing: 1975-12-23
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Granted: 1977-10-25
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Expires: 1995-12-23
Abstract
Abstract Improved metallizations for formation of capacitor electrodes containing noble metal and nickel oxide.
Inventors
- 👤 Sri Prakash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:45
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/5111; H; H01; H01G; H01G4/00; H01G4/002; H01G4/005; H01G4/008; H01G4/0085
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
71 words
A dielectric substrate having thereon a metallization having a metal constituent consisting of finely divided particles of at least one member selected from the group consisting of gold, silver, platinum, palladium and alloys thereof, and containing nickel oxide, the ratio of nickel in the metallization, calculated as elemental nickel, to the total of gold, silver, platinum and palladium being in the range of about 1 to 9 to 1 to 4.
Claim 2
Dependent Claim
71 words
A dielectric substrate having thereon a metallization having a metal constituent consisting of finely divided particles of at least one member selected from the group consisting of gold, silver, platinum, palladium and alloys thereof, and containing nickel oxide, the ratio of nickel in the metallization, calculated as elemental nickel, to the total of gold, silver, platinum and palladium being in the range of about 1 to 9 to 1 to 4.
Claim 3
Dependent Claim
16 words
A multilayer ceramic capacitor having two or more electrodes formed from the metallization of claim 3.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-24 | 1981-04-25 | 1981-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-24 | 1985-04-25 | 1985-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-24 | 1989-04-25 | 1989-10-25 | $7700.00 | Window Closed / Lapsed |