Ultraviolet detector

Details Ultraviolet detector Ultraviolet detector

1997-09-25

2000-09-19

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

250374, 313539, 313544, 313542, G01J 104, G01J 502, H01J 4700

Patent

active

061216216

ABSTRACT:
An ultraviolet detector comprises a metal tubular member which hermetically encloses an anode and a cathode therein and is filled with a discharged gas introduced therein from a metal exhaust tube. After the anode and the cathode are enclosed within the tubular member, the ultraviolet detector can be made without being subjected to any glass fusing process. Accordingly, the inside of the sealed vessel V1 can be prevented from being contaminated with fluorine, whereby the ultraviolet detector with stable characteristics can be provided.

REFERENCES:
patent: 3344302 (1967-09-01), Engh et al.
patent: 5504386 (1996-04-01), Kyushima et al.

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