Patent US3145462A successfully refreshed from Google Patents.
Patent US3899679A successfully refreshed from Google Patents.
US3899679A
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Manganese activated phosphate glass for dosimetry
Assignee: GESELLSCHAFT fur STRAHLEN-UND UMWELTFORSCHUNG MBH
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Filing: 1973-11-21
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Granted: 1975-08-12
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Expires: 1993-11-21
Abstract
Abstract A measuring element comprises a metaphosphate glass doped with manganese as an activator. The manganese activated metaphosphate glass can detect and determine radiation doses in the range between milliroentgens and more than 10 megaroentgens.
Inventors
- 👤 Dieter Regulla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:21
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/02; G01T1/10; G01T1/11
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
38 words
MEASURING ELEMENT FOR DETECTING IONIZING RADIATION AND DETERMINING RADIATION DOSES IN THE RANGE FROM MILLIROENTGEN TO MORE THAN 10 MEGAROENTGENS BY RADIATION INDUCED THERMOLUMINESCENCE, COMPRISING A METAPHOSPHATE GLASS DOPED WITH MANGANESE AS AN ACTIVATOR FOR INCREASING THERMOLUMINESCENCE YIELD.
Claim 2
Dependent Claim
38 words
MEASURING ELEMENT FOR DETECTING IONIZING RADIATION AND DETERMINING RADIATION DOSES IN THE RANGE FROM MILLIROENTGEN TO MORE THAN 10 MEGAROENTGENS BY RADIATION INDUCED THERMOLUMINESCENCE, COMPRISING A METAPHOSPHATE GLASS DOPED WITH MANGANESE AS AN ACTIVATOR FOR INCREASING THERMOLUMINESCENCE YIELD.
Claim 3
Dependent Claim
26 words
Measuring element as claimed in claim 1, wherein the manganese is mixed with the metaphosphate glass in a concentration of from 0.1% to more than 1.0%.
Claim 4
Dependent Claim
18 words
Measuring element as claimed in claim 2, wherein the phosphate glass additionally contains activators of Ce and Ag.
Claim 5
Dependent Claim
31 words
Measuring element as claimed in claim 1, wherein the manganese concentration is from 0.1 to 1% for detecting and determining radiation doses in the range between 10 2 and 107 roentgens.
References Cited (Backward Citations)
US3294700A
Cited
US3769510A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-11 | 1979-02-10 | 1979-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-11 | 1983-02-10 | 1983-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-11 | 1987-02-10 | 1987-08-12 | $7700.00 | Window Closed / Lapsed |