Cuvette for optical gas-analysis apparatus

Details Cuvette for optical gas-analysis apparatus Cuvette for optical gas-analysis apparatus

1981-03-09

1983-07-26

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250345, G01N 2126

Patent

active

043956327

ABSTRACT:
A cuvette for optical gas-analysis apparatus, having an elongated metallic housing with two end-faces, two chambers which are parallel to the longitudinal axis and have radiation-reflecting wall surfaces and which are separated from each other by a partition. One of the chambers is for holding a gas under investigation and the other is for holding a reference gas. The chambers are closed off at the end-faces of the housing by radiation-penetrable windows made of a material from the group consisting of calcium fluoride and barium fluoride and which are each initially connected by glass solder to an intermediate frame, which is connected to the housing. The intermediate frame has a U-shaped cross-section and is composed of a metal from the group consisting of gold, silver and aluminum and the intermediate frame is connected, to the windows and to the housing by glass solder.

REFERENCES:
patent: 4175233 (1979-11-01), DePalma et al.
patent: 4201915 (1980-05-01), Schunk et al.
patent: 4220415 (1980-09-01), Staab et al.
patent: 4306152 (1981-12-01), Ross et al.

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