EP0112475A1
Expired / Lapsed
EP
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Multi-channel radiation detector and method of fabricating the same
Assignee: Toshiba Corp
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Filing: 1983-11-10
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Granted: —
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Expires: 2003-11-10
Abstract
Abstract A multi-channel radiation detecting module is fabricated by cleaving a scintillator single crystal block (11 Fig. 1) into scintillator segments (13). The segments (13) are integrally assembled with channel separators (14) interposed therebetween such that exposed complementary cleaved planes of the segments (13) oppose each other, thereby providing a scintillator assembly. The assembly is fixed on an array of photosensors.
Inventors
- 👤 Moriyoshi Murata
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 19:31
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/2018; G01T1/20182; G01T1/161; G01T1/164; G01T1/1641; G01T1/1644; G01T1/20183; G01T1/20185
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
82 words
A method for fabricating a multi-channel radiation detecting module, comprising: providing a scintillator single crystal block having cleavage planes; cleaving said block along the cleavage planes into a plurality of scintillator segments constituting channels, said scintillator segments having exposed, complementary cleavage planes; integrally assembling said scintillator segments with a channel separator interposed between each two adjacent scintillator segments such that said complementary cleavage planes oppose each other, thereby providing a scintillator assembly; and fixing said scintillator assembly on an array of photosensors.
Claim 2
Independent Claim
82 words
A method for fabricating a multi-channel radiation detecting module, comprising: providing a scintillator single crystal block having cleavage planes; cleaving said block along the cleavage planes into a plurality of scintillator segments constituting channels, said scintillator segments having exposed, complementary cleavage planes; integrally assembling said scintillator segments with a channel separator interposed between each two adjacent scintillator segments such that said complementary cleavage planes oppose each other, thereby providing a scintillator assembly; and fixing said scintillator assembly on an array of photosensors.
Claim 3
Dependent Claim
30 words
A method according to claim 1, characterized in that said single crystal is selected from the group comprising single crystals of sodium iodide, calcium fluoride, cadmium tungstate, and lead tungstate.
Claim 4
Dependent Claim
20 words
A method according to claim 1, characterized in that said channel separator comprises a collimator formed of a radiation-nontransparent material.
Claim 5
Dependent Claim
26 words
A method according to claim 3, characterized in that said collimator is formed of a member selected from the group consisting of tungsten, tantalum, and lead.
Claim 6
Dependent Claim
22 words
A method according to claim 3, characterized in that said collimator has a layer of a light-reflecting material on a surface thereof.
Claim 7
Dependent Claim
24 words
A method according to claim 5, characterized in that said light-reflecting material is selected from the group consisting of titanium oxide and barium oxide.
Claim 8
Dependent Claim
16 words
A method according to claim 1, characterized in that said channel separator comprises a light-reflecting material.
Claim 9
Dependent Claim
20 words
A method according to claim 1, characterized in that said array of said photosensors is formed on an insulating substrate.
Claim 10
Dependent Claim
27 words
A method according to claim 1, further including the step of polishing a surface of said scintillator assembly to be joined with said array of said photosensors.
References Cited (Backward Citations)
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