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US4521689A
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Modular radiation-detecting array
Assignee: General Electric Co
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Filing: 1983-02-24
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Granted: 1985-06-04
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Expires: 2003-02-24
Abstract
Abstract A modular radiation-detecting array composed of a plurality of detector modules having detector cells supported between upper and lower insulating substrates utilizes nut plates fastened to the insulating substrates for rigidly and releasably securing the detector modules between parallel frame members.
Inventors
- 👤 Dennis H. Pritzkow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:46
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/02; G; G01; G01T; G01T1/00; G01T1/16; G01T1/185
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
105 words
A detector array for detecting ionizing radiation comprising: a plurality of detector modules each having a plurality of detector cells containing a radiation-detecting medium, said detector cells being supported between upper and lower insulating substrates; a pair of substantially parallel support members in spaced-apart relationship for supporting therebetween said plurality of detector modules; nut plate means secured to upper and lower insulating substrates of each of said plurality of detector modules; and fastening means for rigidly and releasably attaching said detector modules to said pair of support members, such that each of said nut plates is in parallel contiguity with one of said support members.
Claim 2
Dependent Claim
105 words
A detector array for detecting ionizing radiation comprising: a plurality of detector modules each having a plurality of detector cells containing a radiation-detecting medium, said detector cells being supported between upper and lower insulating substrates; a pair of substantially parallel support members in spaced-apart relationship for supporting therebetween said plurality of detector modules; nut plate means secured to upper and lower insulating substrates of each of said plurality of detector modules; and fastening means for rigidly and releasably attaching said detector modules to said pair of support members, such that each of said nut plates is in parallel contiguity with one of said support members.
Claim 3
Dependent Claim
61 words
The detector array of claim 1 wherein said detector modules comprise: a plurality of collimator plates which are substantially opaque to optical and ionizing radiation; a scintillator material disposed between said collimator plates for converting impinging ionizing radiation to optical wavelength radiation; and photodetector means for converting optical wavelength radiation to electrical current indicative of the intensity of the ionizing radiation.
Claim 4
Dependent Claim
33 words
The detector array of claim 2 wherein said fastening means comprises a plurality of threaded fasteners, each passing through one of said pairs of support members and threadably engaging said nut plate means.
Claim 5
Dependent Claim
39 words
The detector array of claim 3 wherein said insulating substrates each have a counterbore formed opposite of where said fasteners engage said nut plate means permitting said fastener means to protrude thereinto after passing through said nut plate means.
Claim 6
Dependent Claim
22 words
The detector array of claim 2 wherein said nut plate means is bonded to the corresponding insulating substrates by an adhesive material.
Claim 7
Dependent Claim
38 words
The detector array of claim 5 wherein each of said nut plate means has holes formed therein for introducing the adhesive for bonding said nut plate means to said insulating substrates so as to form an integral assembly.
Claim 8
Dependent Claim
24 words
The detector array of claim 2 wherein said support members and said nut plate means are selected to have similar coefficients of thermal expansion.
Claim 9
Dependent Claim
14 words
The detector array of claim 7 wherein said insulating substrates comprise a ceramic material.
Claim 10
Dependent Claim
16 words
The detector array of claim 8 wherein said support members are fabricated from a metallic material.
Claim 11
Dependent Claim
21 words
The detector array of claim 9 wherein said ceramic and metallic materials are selected to have similar coefficients of thermal expansion.
Claim 12
Dependent Claim
49 words
The detector array of claim 2 wherein said plurality of detector modules are arranged between said support members to have an arcuate configuration, and wherein the circumferential length of one of said plurality of modules is less than that of at least one other of said plurality of modules.
Claim 13
Dependent Claim
16 words
The detector array of claim 1 wherein said detector modules each comprise a pluraity of electrodes.
Claim 14
Dependent Claim
13 words
The detector array of claim 12 wherein said radiation-detecting medium comprises xenon gas.
Claim 15
Dependent Claim
33 words
The detector array of claim 12 wherein said fastening means comprises a plurality of threaded fasteners, each passing through one of said pairs of support members and threadably engaging said nut plate means.
Claim 16
Dependent Claim
39 words
The detector array of claim 14 wherein said insulating substrates each have a counterbore formed opposite of where said fasteners engage said nut pate means permitting said fastener means to protrude thereinto after passing through said nut plate means.
Claim 17
Dependent Claim
22 words
The detector array of claim 12 wherein said nut plate means is bonded to the corresponding insulating substrates by an adhesive material.
Claim 18
Dependent Claim
38 words
The detector array of claim 16 wherein each of said nut plate means has holes formed therein for introducing the adhesive for bonding said nut plate means to said insulating substrates so as to form an integral assembly.
Claim 19
Dependent Claim
24 words
The detector array of claim 12 wherein said support members and said nut plate means are selected to have similar coefficients of thermal expansion.
Claim 20
Dependent Claim
14 words
The detector array of claim 18 wherein said insulating substrates comprise a ceramic material.
Claim 21
Dependent Claim
16 words
The detector array of claim 19 wherein said support members are fabricated from a metallic material.
Claim 22
Dependent Claim
22 words
The detector array of claim 20 wherein said ceramic and said metallic materials are selected to have similar coefficients of thermal expansion.
Claim 23
Dependent Claim
49 words
The detector array of claim 12 wherein said plurality of detector modules are arranged between said support members to have an arcuate configuration, and wherein the circumferential length of one of said plurality of modules is less than that of at least one other of said plurality of modules.
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) | 1988-06-03 | 1988-12-03 | 1989-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-03 | 1992-12-03 | 1993-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-03 | 1996-12-03 | 1997-06-04 | $7700.00 | Window Closed / Lapsed |