Low mass optical coating for thin film detectors

Details Low mass optical coating for thin film detectors Low mass optical coating for thin film detectors

1997-06-27

1999-07-27

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250332, 2503384, G01J 522

Patent

active

059294418

ABSTRACT:
A thermal detector having an optical coating comprising a porous film 64. The porous film preferably comprises a xerogel or aerogel and is greater than 80% porous. An optional optical impedance matching layer 66 may be deposited over the porous film 64. Advantages include decreased thickness of the thermal sensor, improved acuity of the image produced by the system, lower manufacturing temperatures, and the ability to use electrodes that are opaque to infrared energy.

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patent: 5512748 (1996-04-01), Hanson
patent: 5602043 (1997-02-01), Beratan et al.
patent: 5640013 (1997-06-01), Ishikawa et al.

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