Camera tube with a pyro-electric target

Details Camera tube with a pyro-electric target Camera tube with a pyro-electric target

1975-04-23

1976-11-23

Borchelt, Archie R.

Radiant energy

Infrared-to-visible imaging

Including image tube-type detector

250330, 313101, H01J 3149

Patent

active

039939073

ABSTRACT:
A pyroelectric radiation detector which is relatively immune to the effects of microphonic vibrations includes within an evacuated envelope a triglycine sulphate (TGS) target secured by silicone grease to a thin (3-6 .mu.M) mica support plate. The mica support plate is adhesively secured by means of an enamel to a titanium annulus which, in turn, is epoxied to the window of the evacuated envelope. The coefficients of expansion of the annulus and the support plate are selected such that after they are joined on to the other the support plate is stretched tightly across the annulus and therefore has a natural period substantially higher than the natural period of the annulus which supports it.

REFERENCES:
patent: 3123737 (1964-03-01), Schneeberger
patent: 3487212 (1969-12-01), Micheron et al.
patent: 3831029 (1974-08-01), Jones et al.

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