US3206827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a semiconductor device
Assignee: Arris Technology Inc
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Filing: 1962-07-06
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Granted: 1965-09-21
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Expires: 1982-07-06
Abstract
No abstract record available.
Inventors
- 👤 Kriegsman Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:53
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; H10W74/43; H10W20/00; H10W20/40; Y; Y10; Y10S; Y10S438/00; Y10S438/958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF MAKING A SEMICONDUCTOR DEVICE WHICH COMPRISES FORMING AN OXIDE LAYER ON A SURFACE OF A SEMICONDUCTOR BODY AND FORMING AT LEAST ONE OPENING THERETHROUGH TO A PREDETERMINED AREA OF SAID SURFACE, FORMING A LAYER COMPRISING ALUMNIUM SUBSTANTIALLY COMPLETELY OVER SAID OXIDE LAYER AND IN SAID OPENING, AND REMOVING ALUMINUM FROM AROUND SAID OPENING, LEAVING A SEPARATED ALUMNIUM TERMINAL PORTION IN AN SUBSTANTIALLY FILLING SAID OPENING AND LEVING SAID OXIDE LAYER SUBSTANTIALLY COMPLETELY COVERED BY SAID ALUMNIUM.
Claim 2
Independent Claim
79 words
THE METHOD OF MAKING A SEMICONDUCTOR DEVICE WHICH COMPRISES FORMING AN OXIDE LAYER ON A SURFACE OF A SEMICONDUCTOR BODY AND FORMING AT LEAST ONE OPENING THERETHROUGH TO A PREDETERMINED AREA OF SAID SURFACE, FORMING A LAYER COMPRISING ALUMNIUM SUBSTANTIALLY COMPLETELY OVER SAID OXIDE LAYER AND IN SAID OPENING, AND REMOVING ALUMINUM FROM AROUND SAID OPENING, LEAVING A SEPARATED ALUMNIUM TERMINAL PORTION IN AN SUBSTANTIALLY FILLING SAID OPENING AND LEVING SAID OXIDE LAYER SUBSTANTIALLY COMPLETELY COVERED BY SAID ALUMNIUM.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |