Coated x-ray filters

Details Coated x-ray filters Coated x-ray filters

1990-02-07

1992-11-24

Hannaher, Constantine

X-ray or gamma ray systems or devices

Beam control

Filter

378158, G21K 300

Patent

active

051669668

ABSTRACT:
A radiation filter for filtering radiation beams of wavelengths within a preselected range of wavelengths comprises a radiation transmissive substrate and an attenuating layer deposited on the substrate. The attenuating layer may be deposited by a sputtering process or a vacuum process. Beryllium may be used as the radiation transmissive substrate. In addition, a second radiation filter comprises an attenuating layer interposed between a pair of radiation transmissive layers.

REFERENCES:
patent: 2541599 (1951-02-01), Morrison
patent: 3779721 (1973-12-01), Herman
patent: 3945555 (1976-03-01), Schmidt
patent: 4431709 (1984-02-01), Bronnes et al.
patent: 4499591 (1985-02-01), Hartwell
patent: 4764946 (1988-08-01), Teleki
patent: 4945552 (1990-07-01), Ueda et al.

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