US3311510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a silicon semiconductor device
Assignee: Individual
•
Filing: 1964-03-16
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Granted: 1967-03-28
•
Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Mandelkorn Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:18
CPC Classifications
H; H10; H10P; H10P32/00; C; C30; C30B; C30B13/00; C30B13/06; H10F; H10F99/00; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/016; Y10S148/097; Y10S148/107; Y10S148/12; Y10S438/00; Y10S438/914; Y10S438/918; Y10S438/953
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METHOD OF IMPROVING THE RESISTANCE TO RADIATION DAMAGE OF A SILICON SEMICONDUCTOR MATERIAL COMPRISING THE STEPS OF REDUCING THE NUMBER OF RECOMBINATION CENTERS AND TRAPPING CENTERS BY ADDING AN ELECTRICALLY ACTIVE IMPURITY SELECTED FROM THE RARE EARTH ELEMENTS TO THE SILICON SEMICONDUCTOR MATERIAL AND INCREASING THE CONDUCTIVITY OF THE SILICON WITHIN SAID SEMICONDUCTOR MATERIAL BY CONTROLLING THE AMOUNT OF THE ADDITION OF SAID ELECTRICALLY ACTIVE IMPURITY FROM THE RARE EARTH ELEMENTS.
Claim 2
Independent Claim
72 words
A METHOD OF IMPROVING THE RESISTANCE TO RADIATION DAMAGE OF A SILICON SEMICONDUCTOR MATERIAL COMPRISING THE STEPS OF REDUCING THE NUMBER OF RECOMBINATION CENTERS AND TRAPPING CENTERS BY ADDING AN ELECTRICALLY ACTIVE IMPURITY SELECTED FROM THE RARE EARTH ELEMENTS TO THE SILICON SEMICONDUCTOR MATERIAL AND INCREASING THE CONDUCTIVITY OF THE SILICON WITHIN SAID SEMICONDUCTOR MATERIAL BY CONTROLLING THE AMOUNT OF THE ADDITION OF SAID ELECTRICALLY ACTIVE IMPURITY FROM THE RARE EARTH ELEMENTS.
References Cited (Backward Citations)
US2916810A
Cited
US3141848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |