US3136897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monolithic semiconductor structure comprising at least one junction transistor and associated diodes to form logic element
Assignee: Westinghouse Electric Corp
•
Filing: 1961-09-25
•
Granted: 1964-06-09
•
Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 William M Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:31
CPC Classifications
H; H10; H10D; H10D88/00; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A MONOLITHIC SEMICONDUCTOR DEVICE SUITABLE FOR USE AS A LOGIC ELEMENT COMPRISING: A UNITARY BODY OF SEMICONDUCTIVE MATERIAL HAVING FIRST, SECOND AND THIRD REGIONS OF ALTERNATE TYPE SEMICONDUCTIVITY ASSOCIATED TO FORM THE EMITTER, BASE AND COLLECTOR REGIONS OF A JUNCTION TRANSISTOR STRUCTURE; AT LEAST TWO REGIONS OF OPPOSITE TYPE SEMICONDUCTIVITY ASSOCIATED TO FORM AT LEAST ONE DIODE STRUCTURE HAVING ONE REGION ELECTRICALLY COUPLED TO THE BASE REGION OF SAID JUNCTION TRANSISTOR STRUCTURE AND THE OTHER DIODE REGION HAVING INPUT CONTACT MEANS THEREON FOR RECEIVING AN ELECTRICAL SIGNAL; A PLURALITY OF SEPARATE REGIONS OF SEMICONDUCTIVITY TYPE OPPOSITE TO THAT OF SAID COLLECTOR REGION OF SAID JUNCTION TRANSISTOR STRUCTURE DISPOSED ON SAID COLLECTOR REGION, EACH OF SAID PLURALITY OF SEPARATE REGIONS HAVING OUTPUT CONTACT MEANS THEREON FROM WHICH TO DERIVE AN ELECTRICAL SIGNAL.
Claim 2
Dependent Claim
131 words
A MONOLITHIC SEMICONDUCTOR DEVICE SUITABLE FOR USE AS A LOGIC ELEMENT COMPRISING: A UNITARY BODY OF SEMICONDUCTIVE MATERIAL HAVING FIRST, SECOND AND THIRD REGIONS OF ALTERNATE TYPE SEMICONDUCTIVITY ASSOCIATED TO FORM THE EMITTER, BASE AND COLLECTOR REGIONS OF A JUNCTION TRANSISTOR STRUCTURE; AT LEAST TWO REGIONS OF OPPOSITE TYPE SEMICONDUCTIVITY ASSOCIATED TO FORM AT LEAST ONE DIODE STRUCTURE HAVING ONE REGION ELECTRICALLY COUPLED TO THE BASE REGION OF SAID JUNCTION TRANSISTOR STRUCTURE AND THE OTHER DIODE REGION HAVING INPUT CONTACT MEANS THEREON FOR RECEIVING AN ELECTRICAL SIGNAL; A PLURALITY OF SEPARATE REGIONS OF SEMICONDUCTIVITY TYPE OPPOSITE TO THAT OF SAID COLLECTOR REGION OF SAID JUNCTION TRANSISTOR STRUCTURE DISPOSED ON SAID COLLECTOR REGION, EACH OF SAID PLURALITY OF SEPARATE REGIONS HAVING OUTPUT CONTACT MEANS THEREON FROM WHICH TO DERIVE AN ELECTRICAL SIGNAL.
References Cited (Backward Citations)
US2936384A
Cited
US2910634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |