Patent US4273004A successfully refreshed from Google Patents.
US2878432A
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Silicon junction devices
Assignee: RCA Corp
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Filing: 1956-10-12
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Granted: 1959-03-17
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Expires: 1976-10-12
Abstract
No abstract record available.
Inventors
- 👤 Lorne D Armstrong
- 👤 Henry D Harmon
- 👤 Herbert R Meisel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:01
CPC Classifications
H; H10; H10D; H10D99/00; H10D64/00; H10D64/60; H10P; H10P95/00; H10W; H10W74/00; H10W74/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF N-TYPE SEMICONDUCTING SILICON HAVING ADJACENT REGIONS OF P-TYPE AND N-TYPE CONDUCTIVITY DISPOSED THEREIN FORMING A P-N RECTIFYING JUNCTION THEREBETWEEN, SAID P-TYP REGION BEING ESTABLISHED BY A BODY OF ALUMINUM ALLOYE TO SAID SILICON BODY, AND AN ELECTRICAL CONNECTOR COMPRISING TUNGSTEN ALLOYED TO SAID ALUMINUM BODY.
Claim 2
Dependent Claim
52 words
A SEMICONDUCTOR DEVICE COMPRISING A BODY OF N-TYPE SEMICONDUCTING SILICON HAVING ADJACENT REGIONS OF P-TYPE AND N-TYPE CONDUCTIVITY DISPOSED THEREIN FORMING A P-N RECTIFYING JUNCTION THEREBETWEEN, SAID P-TYP REGION BEING ESTABLISHED BY A BODY OF ALUMINUM ALLOYE TO SAID SILICON BODY, AND AN ELECTRICAL CONNECTOR COMPRISING TUNGSTEN ALLOYED TO SAID ALUMINUM BODY.
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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |