Infrared light source

Details Infrared light source Infrared light source

1996-08-20

1998-03-24

Berman, Jack I.

Radiant energy

Radiant energy generation and sources

With radiation modifying member

219553, 392439, G01J 310

Patent

active

057315949

ABSTRACT:
An infrared light source used in spectrometers including an infrared range, a Fourier Transform Infrared Spectroscope (FTIR), etc. The infrared light source is composed of a panel made of sintered silicon nitride plates, a heating element made of metal and embedded in the panel, and a pair of conducting lines for supplying electricity to the heating element. The infrared light is emitted homogeneously from the flat surface of the panel, as compared to a conventional infrared light source using a metal filament in which infrared light is emitted inhomogeneously. It is preferred to form a silicon oxide layer on a surface of the panel to prevent initial change in the infrared emitting characteristic.

REFERENCES:
patent: 2432484 (1947-12-01), Moulton
patent: 4804823 (1989-02-01), Okuda et al.
patent: 5077461 (1991-12-01), Hasegawa
patent: 5264681 (1993-11-01), Nozaki et al.
patent: 5402038 (1995-03-01), Parham et al.

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