Method of providing a phototropic layer on a carrier

Details Method of providing a phototropic layer on a carrier Method of providing a phototropic layer on a carrier

1974-11-29

1977-07-12

Corbin, John K.

Coating processes

Optical element produced

Transparent base

427164, 350160P, 106DIG6, G02B 523, B05D 506

Patent

active

040355276

ABSTRACT:
A laminated optical or ophthalmic element is produced comprised of an amorphous and/or crystalline material possessing phototropic or photochromic properties as a result of applying a thin layer over at least one surface thereof, which layer includes a combination of cations and anions including silver or copper bromide and/or chloride.

REFERENCES:
patent: 3208860 (1965-09-01), Armistead et al.
patent: 3875321 (1975-04-01), Gliemeroth et al.
Mader; K., "Photochromic Spectacle Lens" Manufacturing Optics International, Jan. 1973, pp. 34-38.
Perveyev; A. F. et al., "AgCl-CuCl Photochromic Coatings," Soviet Journal of Optical Technology, Feb. 1972, pp. 117-118.

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