Patent US3444100A successfully refreshed from Google Patents.
US3444100A
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Radiation resistant semiconductor grade silicon containing a metal oxide
Assignee: Trancoa Chemical Corp
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Filing: 1963-10-30
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Granted: 1969-05-13
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Simon Ernest Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:07
CPC Classifications
H; H01; H01B; H01B1/00; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S420/00; Y10S420/903; Y10S438/00; Y10S438/953
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
34 words
A RADIATION RESISTANT SINGLE CRYSTAL, SEMICONDUCTOR GRADE SILICON MATERIAL HAVING UNIFORMLY INCORPORATED THEREIN A RADIATION RESISTANT MATERIAL CONSISTING ESSENTIALLY OF TITANIUM DIOXIDE IN AMOUNTS OF FROM 0.005% TO 0.1% BY WEIGHT OF SILICON MATERIAL.
Claim 2
Dependent Claim
34 words
A RADIATION RESISTANT SINGLE CRYSTAL, SEMICONDUCTOR GRADE SILICON MATERIAL HAVING UNIFORMLY INCORPORATED THEREIN A RADIATION RESISTANT MATERIAL CONSISTING ESSENTIALLY OF TITANIUM DIOXIDE IN AMOUNTS OF FROM 0.005% TO 0.1% BY WEIGHT OF SILICON MATERIAL.
Claim 3
Dependent Claim
22 words
A RADIATION RESISTANT SINGLE CRYSTAL, SEMICONDUCTOR GRADE SILICON MATERIAL HAVING UNIFORMLY INCORPORATED THEREIN FROM 0.005 TO 0.1% BY WEIGHT OF ZIRCONIUM DIOXIDE.
Claim 4
Dependent Claim
22 words
A RADIATION RESISTANT SINGLE CRYSTAL, SEMICONDUCTOR GRADE SILICON MATERIAL HAVING UNIFORMLY INCORPORATED THEREIN FROM 0.005 TO 0.1% BY WEIGHT OF ZIRCONIUM DIOXIDE.
Claim 5
Dependent Claim
22 words
A RADIATION RESISTANT SINGLE CRYSTAL, SEMICONDUCTOR GRADE SILICON MATERIAL HAVING UNIFROMLY INCORPORATED THEREIN FROM 0.005 TO 0.1% BY WEIGHT OF NIOBIUM DIOXIDE.
Claim 6
Dependent Claim
22 words
A RADIATION RESISTANT SINGLE CRYSTAL, SEMICONDUCTOR GRADE SILICON MATERIAL HAVING UNIFROMLY INCORPORATED THEREIN FROM 0.005 TO 0.1% BY WEIGHT OF NIOBIUM DIOXIDE.
References Cited (Backward Citations)
US2871330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |