Transparent heat-mirror

Details Transparent heat-mirror Transparent heat-mirror

1976-05-27

1982-07-06

Lee, John D.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

204192P, 350166, G02B 528

Patent

active

043379907

ABSTRACT:
Transparent heat-mirrors are disclosed which are comprised of composite films. These films include a discrete and continuous layer of metallic silver sandwiched between a transparent, outer, protective, anti-reflection layer and a transparent, phase-matching layer. This combination of layers is chosen to provide high solar transmission with minimum loss of thermal radiation. Transparent heat-mirrors are useful in the collection and trapping of solar energy, and in other applications where it is desired or necessary to have high infrared reflectivity with high solar transmission.

REFERENCES:
patent: 2854349 (1958-09-01), Dreyfus et al.
patent: 3272786 (1966-09-01), Schmidt
patent: 3682528 (1972-08-01), Apfel
patent: 3698946 (1972-10-01), Kaspaul et al.
patent: 3781077 (1973-12-01), Groth
patent: 3889026 (1975-06-01), Groth
patent: 3901997 (1975-08-01), Groth
patent: 3962488 (1976-06-01), Gillery
patent: 4017661 (1977-04-01), Gillery
Groth et al., Philips Technical Review, vol. 26, No. 4, Jun. 1965, pp. 105-111.

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