Radiant energy – Radiation controlling means – Shields
Patent
1994-07-26
1996-04-02
Berman, Jack I.
Radiant energy
Radiation controlling means
Shields
2504961, G21F 504
Patent
active
055043445
ABSTRACT:
In a radiation shield between joinder surfaces to preclude a radiation path therethrough, a series of alternating complemental ridges and valleys on each surface. The ridges and valleys on each surface are in turn interdigitated with the complementary ridges and valleys on the second surface and of a height and depth sufficient to preclude the lateral free movement of radiation flux.
REFERENCES:
patent: 3584217 (1971-06-01), Woodburn
patent: 3936340 (1976-02-01), Muehllehner
patent: 4033885 (1977-07-01), Stone et al.
patent: 4124804 (1978-11-01), Mirell
Stein Martin H.
Stein Russell N.
Berman Jack I.
Gray*Star, Inc.
Nguyen Kiet T.
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