Patent US3158754A successfully refreshed from Google Patents.
US3158754A
Expired / Lapsed
US
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Double injection semiconductor device
Assignee: International Business Machines Corp
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Filing: 1961-10-05
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Granted: 1964-11-24
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Expires: 1981-10-05
Abstract
No abstract record available.
Inventors
- 👤 Hwa N Yu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:54
CPC Classifications
H; H10; H10D; H10D10/00; H10D1/00; H10D1/40; H10D48/00; H10D48/30; H10D48/38; H10D62/00; H10D62/10; H10D62/60; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A SIGNAL TRANSLATING DEVICE COMPRISING A BODY OF SUBSTANTIALLY INTRINSIC SEMICONDUCTIVE MATERIAL, A PAIR OF OPPOSITE CONDUCTIVITY CONTACTS, EACH DISPOSED AT RESPECTIVELY OPPOSITE ENDS OF SAID BODY, BIASING MEANS CONNECTED TO SAID OPPOSITE CONDUCTIVITY CONTACTS FOR PRODUCING INJECTION OF HOLES AND ELECTRONS RESPECTIVELY INTO SAID BODY
Claim 2
Dependent Claim
46 words
A SIGNAL TRANSLATING DEVICE COMPRISING A BODY OF SUBSTANTIALLY INTRINSIC SEMICONDUCTIVE MATERIAL, A PAIR OF OPPOSITE CONDUCTIVITY CONTACTS, EACH DISPOSED AT RESPECTIVELY OPPOSITE ENDS OF SAID BODY, BIASING MEANS CONNECTED TO SAID OPPOSITE CONDUCTIVITY CONTACTS FOR PRODUCING INJECTION OF HOLES AND ELECTRONS RESPECTIVELY INTO SAID BODY
References Cited (Backward Citations)
US2790037A
Cited
US2958022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |