Protective box for electronic circuits hardened with respect to

Details Protective box for electronic circuits hardened with respect to Protective box for electronic circuits hardened with respect to

1987-04-08

1989-05-23

Anderson, Bruce C.

Radiant energy

Radiation controlling means

Shields

G21F 100, G21C 1100

Patent

active

048333344

ABSTRACT:
Protective box for electronic circuits hardened with respect to X-rays. The protective box comprises a base and a cover fixed to the base, formed from a rigid mechanical structure constituted by a composite material formed by a fibre-reinforced resin, an X-ray protection material partly covering the outer surface of the mechanical structure, said X-ray protection material being formed by a resin matrix containing a powder of a metal with an atomic number at least equal to 47 and with a melting point at least equal to 630.degree. C., a material formed from an element with a low atomic number forming the outer surface of the cover and optionally a good electricity conducting material covering the inner surface of the mechanical structure.

REFERENCES:
patent: 1844512 (1932-02-01), Mains
patent: 2928948 (1960-03-01), Silversher
patent: 3622432 (1971-11-01), McCluer et al.
Abstract of Japanese Patent No. 60-186040.
Abstract of Japanese Patent No. 60-134448.

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