US2960418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device and method for fabricating same
Assignee: General Electric Co
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Filing: 1954-06-29
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Granted: 1960-11-15
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Expires: 1974-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Conrad H Zierdt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:47
CPC Classifications
H; H10; H10D; H10D99/00; C; C30; C30B; C30B31/00; C30B31/02; H10D62/00; H10D62/01; H10P; H10P95/00; H10P95/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD OF FABRICATING SEMICONDUCTOR DEVICES WHICH COMPRISES PLACING A WAFER OF CRYSTALLINE GERMANIUM OF N-TYPE CONDUCTIVELY ADJACENT A SEGMENT OF UNDIUM, PRESSING SAID SEGMENT OF INDIUM AGAINST SAID WAFER OF GERMANIUM WITH A FORCE SUFFICIENT TO CAUSE ADHESION THEREBETWEEN, SAID ADHESION BETWEEN SAID WAFER AND INDIUM BEING GREATER THAN THE COHESION OF SAID INDIUM, AND HEATING SAID WAFER TO DIFFUSE A PORTION OF SAID INDIUM INTO SAID WAFER TO FORM A P-N JUNCTION THEREIN.
Claim 2
Independent Claim
75 words
A METHOD OF FABRICATING SEMICONDUCTOR DEVICES WHICH COMPRISES PLACING A WAFER OF CRYSTALLINE GERMANIUM OF N-TYPE CONDUCTIVELY ADJACENT A SEGMENT OF UNDIUM, PRESSING SAID SEGMENT OF INDIUM AGAINST SAID WAFER OF GERMANIUM WITH A FORCE SUFFICIENT TO CAUSE ADHESION THEREBETWEEN, SAID ADHESION BETWEEN SAID WAFER AND INDIUM BEING GREATER THAN THE COHESION OF SAID INDIUM, AND HEATING SAID WAFER TO DIFFUSE A PORTION OF SAID INDIUM INTO SAID WAFER TO FORM A P-N JUNCTION THEREIN.
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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |