US3099591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductive device
Assignee: Individual
•
Filing: 1958-12-15
•
Granted: 1963-07-30
•
Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 Shockley William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:04
CPC Classifications
H; H10; H10D; H10D99/00; H10P; H10P32/00; H10P32/10; H10P32/14; H10P32/1404; H10P32/17; H10P32/171; H10W; H10W74/00; H10W74/40; H10W74/43; Y; Y10; Y10S; Y10S148/00; Y10S148/051; Y10S148/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A SEMICONDUCTIVE DEVICE INCLUDING AT LAEST FIRST AND SECOND LAYERS OF OPPOSITE CONDUCTIVITY TYPE FORMING A RECTIFYING JUNCTION EXTENDING TO AT LEAST ONE SURFACE OF THE DEVICE, SAID INCLUDING A FIRST REGION IN WHICH CARRIER MULTIPLICATION THROUGH AVALANCHE ACCURS, INITIALLY AND A SECOND REGION SURROUNDING SAID FIRST REGION, ONE OF SAID LAYERS IN SAID SECOND REGION HAVING A LOW CONCENTRATION OF UNBALANCED CHARGES AT THE JUNCTION AND INCLUDING A REGION HAVING A HIGH CONCENTRATION OF UNBALANCE CHARGES SPACED FROM THE JUNCTION AND EXTENDING TO THE SURFACE TO REDUCE CHANNELLING THROUGH SAID LAYER.
Claim 2
Dependent Claim
92 words
A SEMICONDUCTIVE DEVICE INCLUDING AT LAEST FIRST AND SECOND LAYERS OF OPPOSITE CONDUCTIVITY TYPE FORMING A RECTIFYING JUNCTION EXTENDING TO AT LEAST ONE SURFACE OF THE DEVICE, SAID INCLUDING A FIRST REGION IN WHICH CARRIER MULTIPLICATION THROUGH AVALANCHE ACCURS, INITIALLY AND A SECOND REGION SURROUNDING SAID FIRST REGION, ONE OF SAID LAYERS IN SAID SECOND REGION HAVING A LOW CONCENTRATION OF UNBALANCED CHARGES AT THE JUNCTION AND INCLUDING A REGION HAVING A HIGH CONCENTRATION OF UNBALANCE CHARGES SPACED FROM THE JUNCTION AND EXTENDING TO THE SURFACE TO REDUCE CHANNELLING THROUGH SAID LAYER.
References Cited (Backward Citations)
US2813048A
Cited
US2770761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |