Process of fabricating target for calibrating and testing infrar

Details Process of fabricating target for calibrating and testing infrar Process of fabricating target for calibrating and testing infrar

1983-04-25

1984-11-06

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29611, 29460, B23P 2500

Patent

active

044803729

ABSTRACT:
Apparatus for calibrating and testing infrared detection devices is provided. The apparatus comprises a substrate which supports a target pattern of dielectric material which is at least partially absorbing to infrared radiation. A heater is used to supply heat to the substrate. Since the substrate and dielectric material have different emissivities, an apparent temperature difference is perceived by an IR detection device. As a consequence, temperature differences as low as about 0.02.degree. C. and below can be generated for calibrating and testing IR imaging devices.

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patent: 4058734 (1977-11-01), Vroombout
patent: 4309901 (1982-01-01), Rolinski et al.

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