Zinc sulfide bodies having improved optical transmittance charac

Details Zinc sulfide bodies having improved optical transmittance charac Zinc sulfide bodies having improved optical transmittance charac

1992-12-03

1994-06-28

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Inorganic materials only containing at least one metal atom

1062866, 423275, 4235661, 427161, C09D 100, C09D 538, C01G 908

Patent

active

053243536

ABSTRACT:
A method for increasing the optical transmission characteristics of zinc sulfide in the visible and infrared portions of electromagnetic spectrum is described. Materials such as metals and, in particular, transition metals are diffused through the zinc sulfide material over a duration of time sufficient to cause the material to turn substantially water clear and substantially colorless.

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Uematsu, Keizo, Kazuhiko Sawada, Zenji Kato, Nozomu Uchida, and Katsuichi Saito, "Effect of Additives on the Hot Pressing of Zinc Sulphide," (1988) May, No. 5, Journal of Materials Science Letters, pp. 473-474.
Sokolov, V. I., A. N., Mamedov, T. P. Surkova, M. V. Chukichev, and M. P. Kulakov, "Energy States of Cobalt in Zinc Selenide and Zinc Sulphide," Opt. Spectrosc. (USSR) 62 (4), Apr. 1987, pp. 480-484.

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