Radiant energy – Radiation controlling means
Patent
1985-08-14
1990-09-18
Berman, Jack I.
Radiant energy
Radiation controlling means
378147, 378149, G21K 102
Patent
active
049580817
ABSTRACT:
A focusing collimator has a plurality of corrugated strips which are built up in a stack. Within each stacking plane of interest, each strip is shaped in cross-section as a part of a different radial sector of a common predetermined annulus.
REFERENCES:
patent: 2638554 (1953-05-01), Bartow et al.
patent: 2731718 (1956-01-01), Schaefer
patent: 3407300 (1968-10-01), Hansen
patent: 3937969 (1976-02-01), Muehllehner
patent: 4081687 (1978-03-01), York et al.
patent: 4597096 (1986-06-01), Larrson
Guth William R.
Malmin Ronald E.
Berman Jack I.
Jay Mark H.
Siemens Gammasonics Inc.
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