Photometer

Details Photometer Photometer

1985-07-10

1987-12-22

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250338, 250344, 250345, G01N 2135

Patent

active

047148322

ABSTRACT:
Photometer with at least one measuring beam traversing a space that contains measuring gas is improved by a solid state detector made of a foil which is specifically made of polyvinyl-idene-fluoride or polyvinyl-fluoride or polyvinyl-chloride, and having an area, being at least as large as the cross-sectional area of the radiation that leaves the measuring and gas containing chamber; a measuring signal is extracted from the foil. The foil is preferably blackened and has a thickness between 6-10 micrometers.

REFERENCES:
patent: 3005097 (1961-10-01), Hummel
patent: 3453432 (1969-07-01), McHenry
patent: 3769096 (1973-10-01), Ashkin et al.
patent: 3781910 (1973-12-01), Herrmann
patent: 4044251 (1977-08-01), Taylor et al.
patent: 4236827 (1980-12-01), Horiba et al.
patent: 4258260 (1981-03-01), Obara et al.
patent: 4499378 (1985-02-01), Miyatake et al.
patent: 4605313 (1986-08-01), Kebabian

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