Method of sealing a pyroelectric target in a vacuum tight envelo

Details Method of sealing a pyroelectric target in a vacuum tight envelo Method of sealing a pyroelectric target in a vacuum tight envelo

1975-08-29

1976-12-28

Smith, Al Lawrence

Metal fusion bonding

Process

Metal to nonmetal with separate metallic filler

29 2513, 316 17, 228115, H01J 920

Patent

active

039996980

ABSTRACT:
A pyroelectric target for a vidicon is effectively sealed in a vacuum-tight envelope by resiliently mounting in a retainer ring bonded by indium to a window transparent to visible and infra-red radiation. The window is then sealed in one end of an envelope which is evacuated.

REFERENCES:
patent: 2984759 (1961-05-01), Vine
patent: 3826943 (1974-07-01), Kawamura et al.
patent: 3873872 (1975-03-01), Conklin et al.

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