Patent US3145447A successfully refreshed from Google Patents.
US3145447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a semiconductor device
Assignee: Siemens and Halske AG
•
Filing: 1961-02-01
•
Granted: 1964-08-25
•
Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 Rummel Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:33
CPC Classifications
C; C30; C30B; C30B25/00; C30B25/02; C30B25/12; H; H10; H10D; H10D99/00; H10P; H10P14/00; H10P14/20; H10P14/24; H10P14/29; H10P14/2901; H10P14/2902; H10P14/2905; H10P14/34; H10P14/3402; H10P14/3404; H10P14/3411; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/017; Y10S148/026; Y10S148/118; Y10S148/142; Y10S228/00; Y10S228/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD OF PRODUCING A P-N JUNCTION SEMICONDUCTOR DEVICE, WHICH COMPRISES PLACING A NUMBER OF BODIES OF MONOCRYSTALLINE SEMICONDUCTOR MATERIAL UPON A COMMON METALLIC SUPPORT, HEATING THE BODIES ON SAID SUPPORT BY DIRECTLY HEATING SAID SUPPORT, PYROLYTICALLY PRECIPITATING SEMICONDUCTOR MATERIAL FROM A GASEOUS COMPOUND OF THE SAME SEMICONDUCTOR MATERIAL ON SAID BODIES AND SUPPORT THUS GROWING AT LEAST ONE STRATUM UPON EACH OF SAID BODIES AND SIMULTANEOUSLY BONDING SAID BODIES TO SAID SUPPORT, THEREAFTER SEVERING SAID SUPPORT INTO RESPECTIVE PARTS OF WHICH EACH REMAINS INTEGRAL WITH ONE OF THE THEN SEPARATED SEMICONDUCTOR DEVICES RESPECTIVELY AND FORMS AN ELECTRIC TERMINAL THEREOF.
Claim 2
Independent Claim
100 words
THE METHOD OF PRODUCING A P-N JUNCTION SEMICONDUCTOR DEVICE, WHICH COMPRISES PLACING A NUMBER OF BODIES OF MONOCRYSTALLINE SEMICONDUCTOR MATERIAL UPON A COMMON METALLIC SUPPORT, HEATING THE BODIES ON SAID SUPPORT BY DIRECTLY HEATING SAID SUPPORT, PYROLYTICALLY PRECIPITATING SEMICONDUCTOR MATERIAL FROM A GASEOUS COMPOUND OF THE SAME SEMICONDUCTOR MATERIAL ON SAID BODIES AND SUPPORT THUS GROWING AT LEAST ONE STRATUM UPON EACH OF SAID BODIES AND SIMULTANEOUSLY BONDING SAID BODIES TO SAID SUPPORT, THEREAFTER SEVERING SAID SUPPORT INTO RESPECTIVE PARTS OF WHICH EACH REMAINS INTEGRAL WITH ONE OF THE THEN SEPARATED SEMICONDUCTOR DEVICES RESPECTIVELY AND FORMS AN ELECTRIC TERMINAL THEREOF.
References Cited (Backward Citations)
US2692839A
Cited
US2910394A
Cited
US2850414A
Cited
FR1151572A
Cited
DE1029941B
Cited
US3030704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |