Patent US3274453A successfully refreshed from Google Patents.
US3274453A
Expired / Lapsed
US
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Semiconductor integrated structures and methods for the fabrication thereof
Assignee: Lanteris Space LLC
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Filing: 1961-02-20
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Granted: 1966-09-20
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Expires: 1981-02-20
Abstract
No abstract record available.
Inventors
- 👤 Thomas V Sikina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
H; H10; H10D; H10D84/00; H10D99/00; H10W; H10W20/00; H10W20/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A MICROMINIATURIZED SEMICONDUCTOR COUNTER CIRCUIT ASSEMBLY COMPRISING A WAFER OF HIGH-RESISTIVITY GALLIUM ARSENIDE HAVING A THIN, STRONGLY P-TYPE SURFACE LAYER, A PLURALITY OF PAIRS OF ALLOYED METAL CONNECTIONS TO SAID SURFACE LAYER, EACH OF SAID PAIRS COMPRISING ONE OHMIC AND ONE RECTIFYING CONNECTION ASSOCIATED TO FORM A TUNNEL DIODE, AN ADHERENT, ELECTRICALLY INSULATING SURROUND OF SOLIDIFIED MATERIAL EXTENDING OVER SAID SURFACE LAYER AND BETWEEN SAID CONNECTIONS, THE SURFACE OF SAID SURROUND AND THE EXTERNAL SURFACES OF SAID CONNECTIONS FORMING A COMMON PLANAR SURFACE, AND A PLURALITY OF DEPOSITED METALLIC INTERCONNECTIONS ADHEREING TO SAID PLANAR SURFACE, EACH OF SAID INTERCONNECTIONS EXTENDING BETWEEN SAID RECTIFYING CONNECTION OF ONE OF SAID PAIRS AND SAID OHMIC CONNECTION OF ANOTHER OF PAID PAIRS.
Claim 2
Dependent Claim
118 words
A MICROMINIATURIZED SEMICONDUCTOR COUNTER CIRCUIT ASSEMBLY COMPRISING A WAFER OF HIGH-RESISTIVITY GALLIUM ARSENIDE HAVING A THIN, STRONGLY P-TYPE SURFACE LAYER, A PLURALITY OF PAIRS OF ALLOYED METAL CONNECTIONS TO SAID SURFACE LAYER, EACH OF SAID PAIRS COMPRISING ONE OHMIC AND ONE RECTIFYING CONNECTION ASSOCIATED TO FORM A TUNNEL DIODE, AN ADHERENT, ELECTRICALLY INSULATING SURROUND OF SOLIDIFIED MATERIAL EXTENDING OVER SAID SURFACE LAYER AND BETWEEN SAID CONNECTIONS, THE SURFACE OF SAID SURROUND AND THE EXTERNAL SURFACES OF SAID CONNECTIONS FORMING A COMMON PLANAR SURFACE, AND A PLURALITY OF DEPOSITED METALLIC INTERCONNECTIONS ADHEREING TO SAID PLANAR SURFACE, EACH OF SAID INTERCONNECTIONS EXTENDING BETWEEN SAID RECTIFYING CONNECTION OF ONE OF SAID PAIRS AND SAID OHMIC CONNECTION OF ANOTHER OF PAID PAIRS.
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |