Electrochromic and photochromic material and a method of fabrica

Details Electrochromic and photochromic material and a method of fabrica Electrochromic and photochromic material and a method of fabrica

1977-03-07

1978-06-20

Padgett, Benjamin R.

Compositions

Inorganic luminescent compositions

Tungsten containing

204192P, G02B 523

Patent

active

040960870

ABSTRACT:
The material is constituted by a sub-stoichiometric amorphous oxide doped by hydrogen corresponding to the formula MO.sub.x H.sub.y, where M is a metal of group VI such as tungsten, with 2.6 < x < 2.8 and 0.3 < y < 0.6. The method of fabrication of the material involves a cathodic reactive sputtering operation which is carried out by subjecting a target having a base of a metal of group VI such as tungsten or a metal oxide to an ion bombardment in the presence of a reactive gas which consists in particular of oxygen and hydrogen.

REFERENCES:
patent: 3521941 (1970-07-01), Deb et al.
patent: 3829196 (1974-08-01), Deb
Faughnan, B. W., et al., "Electrochromism in WO.sub.3 Amorphous Films," RCA Review, 36(1), pp. 177-197, Mar. 1975.
Bailar, J. C., et al., Eds, Comprehensive Inorganic Chemistry, Pergammon Press, Oxford, England, 1973, pp. 763-764.

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