US3585075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Schottky barrier diode
Assignee: AT&T Inc
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Filing: 1969-02-26
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Granted: 1971-06-15
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Expires: 1989-02-26
Abstract
Abstract A LOW WORK FUNCTION SCHOTTKY BARRIER DIODE IS OBTAINED BY COATING A CONTACT REGION UPON A GALLIUM ARSENIDE SUBSTRATE WITH A TIN HALIDE FLUX AND SUBSEQUENTLY DEPOSITING TIN THEREON.
Inventors
- 👤 John C Irvin
- 👤 Bertram Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:25
CPC Classifications
H; H10; H10D; H10D30/00; H10D30/60; H10D30/67; H10D30/6729; H10D30/6737; H10D30/6738; H10D30/674; H10D30/675; H10D64/00; H10D64/01; H10D64/012; H10D64/0124; H10D64/60; H10D64/64; H10D99/00; H10D62/00; H10D62/80; H10D62/85
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |