US2957152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation-sensitive device and method of making
Assignee: US Philips Corp
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Filing: 1957-03-13
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Granted: 1960-10-18
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Expires: 1977-03-13
Abstract
No abstract record available.
Inventors
- 👤 Willem Van Gool
- 👤 Johannes Gerrit Van Santen
- 👤 Brech Hubertus Johannes Jozef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:19
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/26; H; H01; H01B; H01B1/00; H01B1/06; H01B1/08; H01J; H01J9/00; H01J9/20; H01J9/233; H10; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHOD OF MANUFACTURING A CADMIUM SULPHIDE, RADIATION-SENSITIVE MEMBER EXHIBITING REDUCED DECAY TIME, WHICH COMPRISES ADDING BETWEEN 0.1% AND 10% BY WEIGHT OF CADMIUM OXIDE POWDER TO AND MIXING WITH CADMIUM SULPHIDE POWDER, COMPACTING SAID MIXED POWDERS TO FORM A BODY, AND SINTERING SAID COMPACTED BODY IN A NEUTRAL ATMOSPHERE AT A TEMPERATURE OF BETWEEN 700* AND 1200*C.
Claim 2
Independent Claim
58 words
A METHOD OF MANUFACTURING A CADMIUM SULPHIDE, RADIATION-SENSITIVE MEMBER EXHIBITING REDUCED DECAY TIME, WHICH COMPRISES ADDING BETWEEN 0.1% AND 10% BY WEIGHT OF CADMIUM OXIDE POWDER TO AND MIXING WITH CADMIUM SULPHIDE POWDER, COMPACTING SAID MIXED POWDERS TO FORM A BODY, AND SINTERING SAID COMPACTED BODY IN A NEUTRAL ATMOSPHERE AT A TEMPERATURE OF BETWEEN 700* AND 1200*C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |