US2936256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices
Assignee: General Electric Co
•
Filing: 1954-06-01
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Granted: 1960-05-10
•
Expires: 1974-06-01
Abstract
No abstract record available.
Inventors
- 👤 Robert N Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:05
CPC Classifications
H; H10; H10D; H10D99/00; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; C; C30; C30B; C30B31/00; C30B31/04; H10D64/00; H10D64/60; H10P; H10P95/00; H10P95/50; Y; Y10; Y10S; Y10S252/00; Y10S252/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A SEMICONDUCTOR DEVICE COMPRISING A CRYSTALLINE SEMICONDUCTOR BODY SELECTED FROM THE GROUP CONSISTING OF GERAMANUIM AND SILICON AND AN ACCEPTOR ACTIVATOR MATERIAL FUSED TO ONE SURFACE THREOF, SAID ACCEPTOR ACTIVATOR MATERIAL CONSISTING ESSENTIALLY OF AN ALLOY OF 25 TO 35 WEIGHT PERCENT OF GALLIUM, THE REMAINDER BEING ALUMINUM.
Claim 2
Dependent Claim
48 words
A SEMICONDUCTOR DEVICE COMPRISING A CRYSTALLINE SEMICONDUCTOR BODY SELECTED FROM THE GROUP CONSISTING OF GERAMANUIM AND SILICON AND AN ACCEPTOR ACTIVATOR MATERIAL FUSED TO ONE SURFACE THREOF, SAID ACCEPTOR ACTIVATOR MATERIAL CONSISTING ESSENTIALLY OF AN ALLOY OF 25 TO 35 WEIGHT PERCENT OF GALLIUM, THE REMAINDER BEING ALUMINUM.
References Cited (Backward Citations)
US2369354A
Cited
US2579369A
Cited
US2701326A
Cited
US2694024A
Cited
US2725315A
Cited
US2705767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |