Patent US3271632A successfully refreshed from Google Patents.
US3271632A
Expired / Lapsed
US
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Method of producing electrical semiconductor devices
Assignee: International Standard Electric Corp
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Filing: 1962-05-18
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Granted: 1966-09-06
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Hartmann Horst Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:18
CPC Classifications
C; C30; C30B; C30B13/00; C30B13/08; C30B13/10; C30B19/00; H; H10; H10D; H10D84/00; H10D84/201; H10D84/204; H10D84/221; H10D99/00; H10P; H10P14/00; H10P14/20; H10P14/22; H10P14/29; H10P14/2901; H10P14/2921; H10P14/2922; H10P14/32; H10P14/3202; H10P14/3241; H10P14/34; H10P14/3402; H10P14/3404; H10P14/3411; H10P14/38; H10P14/3802; H10P14/3818; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A SEMICONDUCTOR DEVICE COMPRISING A LAYER OF CRYSTALLINE SEMICONDUCTOR MATERIAL OF ONE CONDUCTIVITY TYPE, A PROTECTIVE INSULATING LAYER OF AMORPHOUS SEMICONDUCTOR MATERIAL OF ANOTHER CONDUCTIVITY TYPE DEPOSITED THEREON, A PREDETERMINED LIMITED SURFACE AREA OF SAID AMORPHOUS LAYER COMPRISING A RE-CRYSTALLIZED SOLIDIFIED MELT ZONE OF SAID OTHER CONDUCTIVITY TYPE FORMING AN ELECTRODE EXTENDING THROUGH THE FULL THICKNESS OF SAID AMORPHOUS LAYER IN CONTACT WITH AND OF THE SAME ORIENTATION AS SAID CRYSTALLINE LAYER OF SAID ONE CONDUCTIVITY TYPE AND FORMING A PN-JUNCTION THEREWITH.
Claim 2
Dependent Claim
82 words
A SEMICONDUCTOR DEVICE COMPRISING A LAYER OF CRYSTALLINE SEMICONDUCTOR MATERIAL OF ONE CONDUCTIVITY TYPE, A PROTECTIVE INSULATING LAYER OF AMORPHOUS SEMICONDUCTOR MATERIAL OF ANOTHER CONDUCTIVITY TYPE DEPOSITED THEREON, A PREDETERMINED LIMITED SURFACE AREA OF SAID AMORPHOUS LAYER COMPRISING A RE-CRYSTALLIZED SOLIDIFIED MELT ZONE OF SAID OTHER CONDUCTIVITY TYPE FORMING AN ELECTRODE EXTENDING THROUGH THE FULL THICKNESS OF SAID AMORPHOUS LAYER IN CONTACT WITH AND OF THE SAME ORIENTATION AS SAID CRYSTALLINE LAYER OF SAID ONE CONDUCTIVITY TYPE AND FORMING A PN-JUNCTION THEREWITH.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |