Patent US2512401A successfully refreshed from Google Patents.
Patent US2985550A successfully refreshed from Google Patents.
US2985550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of high temperature alloyed semiconductors
Assignee: Texas Instruments Inc
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Filing: 1957-01-04
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Granted: 1961-05-23
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Expires: 1977-01-04
Abstract
No abstract record available.
Inventors
- 👤 Robert E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:48
CPC Classifications
H; H10; H10P; H10P95/00; H10P95/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD FOR MAKING A SEMICONDUCTOR DEVICE COMPRISING THE STEPS OF ALLOYING A FIRST PORTION OF A DOT COMPRISED OF INDIUM WITH A WAFER OF N-TYPE SILICON TO FORM A P-N JUNCTION AND ALLOYING LEAD INTO AND THROUGHOUT THE REMAINING PORTION OF SAID DOT EXCLUSIVE OF SAID FIRST PORTION TO RAISE THE MELTING POINT OF THE REMAINING PORTION OF SAID DOT.
Claim 2
Independent Claim
61 words
A METHOD FOR MAKING A SEMICONDUCTOR DEVICE COMPRISING THE STEPS OF ALLOYING A FIRST PORTION OF A DOT COMPRISED OF INDIUM WITH A WAFER OF N-TYPE SILICON TO FORM A P-N JUNCTION AND ALLOYING LEAD INTO AND THROUGHOUT THE REMAINING PORTION OF SAID DOT EXCLUSIVE OF SAID FIRST PORTION TO RAISE THE MELTING POINT OF THE REMAINING PORTION OF SAID DOT.
References Cited (Backward Citations)
US2644852A
Cited
US2757324A
Cited
US2836522A
Cited
US2721965A
Cited
US2689930A
Cited
US2817613A
Cited
US2815303A
Cited
US2736847A
Cited
US2868683A
Cited
US2831787A
Cited
US2778980A
Cited
US2837704A
Cited
US2814304A
Cited
US2853661A
Cited
US2806807A
Cited
US2887417A
Cited
US2820135A
Cited
US2862840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |