Patent US6585536B1 successfully refreshed from Google Patents.
US2964431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jig alloying of semiconductor devices
Assignee: RCA Corp
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Filing: 1959-07-28
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Granted: 1960-12-13
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Expires: 1979-07-28
Abstract
No abstract record available.
Inventors
- 👤 Israel H Kalish
- 👤 Silverstein Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:55
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D10/00; H10P; H10P95/00; H10P95/50; H10W; H10W72/00; H10W72/01; H10W72/0198; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE METHOD OF FABRICATING SEMICONDUCTOR DEVICES UTILIZING A JIG WHICH BECOMES A PORTION OF THE COMPLETED DEVICE, COMPRISING PREPARING A SOLDER-PLATED SHEET METAL BASE WITH AN ARRAY OF REGULAR DEPRESSIONS IN ONE MAJOR FACE THEREOF, POSITIONING A SEMICONDUCTIVE PELLET IN EACH SAID DEPRESSION, HEATING SAID BASE AND SAID PELLETS IN A NON-OXIDIZING ATMOSPHERE TO BOND SAID PELLETS TO THE BOTTOMS OF SAID DEPRESSIONS, POSITIONING A PAIR OF METAL ELECTRODE DOTS ON EACH PELLETS, HEATING THE ASSEMBLAGE OF SAID BASE, SAID PELLETS, AND SAID DOTS IN A NON-OXIDIZING ATMOSPHERE TO ALLOY SAID DOTS TO SAID PELLETS, MASKING SAID PELLETS TO EXPOSE ON EACH A SURFACE AREA INCLUDING EACH
Claim 2
Independent Claim
107 words
THE METHOD OF FABRICATING SEMICONDUCTOR DEVICES UTILIZING A JIG WHICH BECOMES A PORTION OF THE COMPLETED DEVICE, COMPRISING PREPARING A SOLDER-PLATED SHEET METAL BASE WITH AN ARRAY OF REGULAR DEPRESSIONS IN ONE MAJOR FACE THEREOF, POSITIONING A SEMICONDUCTIVE PELLET IN EACH SAID DEPRESSION, HEATING SAID BASE AND SAID PELLETS IN A NON-OXIDIZING ATMOSPHERE TO BOND SAID PELLETS TO THE BOTTOMS OF SAID DEPRESSIONS, POSITIONING A PAIR OF METAL ELECTRODE DOTS ON EACH PELLETS, HEATING THE ASSEMBLAGE OF SAID BASE, SAID PELLETS, AND SAID DOTS IN A NON-OXIDIZING ATMOSPHERE TO ALLOY SAID DOTS TO SAID PELLETS, MASKING SAID PELLETS TO EXPOSE ON EACH A SURFACE AREA INCLUDING EACH
References Cited (Backward Citations)
US2759133A
Cited
US2754455A
Cited
US2900584A
Cited
US2778980A
Cited
US2796563A
Cited
US2900287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |