Infrared source
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United States of America Patent
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Nov 29, 1994
Issued Date -
N/A
app pub date -
Oct 17, 1990
filing date -
May 23, 1990
priority date (Note) -
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Abstract
Infrared radiation emitter units for gas analyzers and other applications. The emitter has a substrate with a film of electrically resistive, emissive material on one of its surfaces. The emitter is so mounted on an emitter unit base that it can freely expand as the emitter heats up. A lead frame commutator, employed to electrically connect the emitter to an external power source, also facilitates the assembly of the unit. A component with a plated, parabolic surface collimates and focuses into an appropriate beam the energy generated by the emitter.
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