Radiant energy – Radiation controlling means
Patent
1990-06-15
1992-03-24
Berman, Jack I.
Radiant energy
Radiation controlling means
25036310, 378149, 378154, G21K 102
Patent
active
050991345
ABSTRACT:
A collimator for a scintillator, having a number of through holes formed side by side, each for guiding and passing radiation from one end thereof to an other end and focusing the radiation at a predetermined position, including a frame made of a radiation shielding material, and defining a radiation transparent field of view, and a septa section provided in a lattice form in the field of view so as to define the through holes. The septa section includes a plurality of first partition plates arranged at substantially equal intervals and a plurality of second partition plates crossing the first partition plates in a lattice form. The first and second partition plates are made of a material, preferably tungsten or lead alloy, that sheilds the radiation. A plurality of focused slits are formed in at least either the first or second partition plates with the other partition plates being fitted in the slits.
REFERENCES:
patent: 2983640 (1961-05-01), Knoll et al.
patent: 3143652 (1964-08-01), Bigelow
patent: 3936340 (1976-02-01), Muehllehner
patent: 3943366 (1976-03-01), Platz et al.
patent: 3988589 (1976-10-01), Leask
patent: 4047037 (1977-09-01), Schlosser et al.
patent: 4081687 (1978-03-01), York et al.
patent: 4450706 (1984-05-01), Engelmohr
patent: 4500380 (1985-02-01), Bova
Hase Daisuke
Satoh Takayuki
Ushimi Kenji
Berman Jack I.
Kabushiki Kaisha Toshiba
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