US3236701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double epitaxial layer functional block
Assignee: Westinghouse Electric Corp
•
Filing: 1962-05-09
•
Granted: 1966-02-22
•
Expires: 1982-05-09
Abstract
No abstract record available.
Inventors
- 👤 Lin Hung Chang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:14
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/20; H10P14/29; H10P14/2901; H10P14/2902; H10P14/2905; H10D; H10D99/00; H10P14/24; H10P14/34; H10P14/3402; H10P14/3404; H10P14/3411; Y; Y10; Y10S; Y10S148/00; Y10S148/049; Y10S148/085
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
A SEMICONDUCTOR DEVICE CAPABLE OF PERFORMING THE FUNCTIONS OF A PLURALITY OF INDIVIDUALLY INTERCONNECTED COMPONENTS COMPRISING: A SUBSTRATE OF A FIRST TYPE OF SEMICONDUCTIVITY; A FIRST LAYER OF SEMICONDUCTIVE MATERIAL OF A SECOND TYPE OF SEMICONDUCTIVITY HAVING A RESISTIVITY OF LESS THAN ABOUT 0.01 OHM-CM DISPOSED ON A MAJOR SURFACE OF SAID SUBSTRATE; A SECOND LAYER OF SEMICONDUCTIVE MATERIAL OF SAID SECOND TYPE OF SEMICONDUCTIVITY HAVING A RESISTIVITY IN THE RANGE OF FROM ABOUT 0.05 OHM-CM. TO ABOUT 2 OHM-CM, DISPOSED ON SAID FIRST LAYER; SAID SUBSTRATE AND SAID FIRST AND SECOND LAYERS BEING UNITED IN A MONO-
References Cited (Backward Citations)
US3100276A
Cited
US3099579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |