Patent US3290565A successfully refreshed from Google Patents.
US3290565A
Expired / Lapsed
US
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Glass enclosed, passivated semiconductor with contact means of alternate layers of chromium, silver and chromium
Assignee: Lanteris Space LLC
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Filing: 1963-10-24
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Granted: 1966-12-06
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Expires: 1983-10-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Hastings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:14
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/046; H; H10; H10W; H10W74/00; H10W74/40; H10W74/43
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
A SEMICONDUCTOR DEVICE COMPRISING: A SILICON SEMICONDUCTIVE BODY HAVING AN ACTIVE REGION THEREIN FORMING A JUCTION TERMINATING AT A SURFACE THEREOF; A PASSIVATING LAYER OF SILICA OVERLYING SAID JUNCTION; AND MEANS SEALING SAID DEVICE COMPRISING A LAYER OF GLASS ADHERENT TO SAID SILICA AND CONTACT MEANS COMPOSED OF ALTERNATE LAYERS OF CHROMIUM, SILVER AND CHROMIUM HERMETICALLY SEALED TO SAID GLASS AND OHMICALLY CONNECTED TO SAID ACTIVE REGION BY A METALLIC INTERFACE OF ALUMINUM AND SILVER.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |