US3579063A
Expired / Lapsed
US
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Thin film capacitor
Assignee: Panasonic Holdings Corp
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Filing: 1969-03-24
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Granted: 1971-05-18
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Expires: 1989-03-24
Abstract
Abstract This invention relates to a thin film capacitor. The capacitor comprises a dielectric layer sandwiched between a top metal electrode and a base titanium electrode which is oxidized at the surface facing said dielectric layer. The dielectric layer consists essentially of a mixture of lead oxide and titanium oxide.
Inventors
- 👤 Kiyotaka Wasa
- 👤 Shigeru Hayakawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:04
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/085; C; C23; C23C; C23C14/00; C23C14/06; C23C14/08; C23C14/22; C23C14/34; C23C14/35; H01F; H01F10/00; H01F10/08; H01F10/10; H01G4/005; H01G4/008; H01G4/0085
Claims Analysis
Total Claims: 0
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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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |