Optical: systems and elements – Light interference – Produced by coating or lamina
Patent
1994-11-01
1996-04-30
Lerner, Martin
Optical: systems and elements
Light interference
Produced by coating or lamina
359586, 428622, 428632, G02B 110, G02B 528, B21D 3900, C03C 2704
Patent
active
055130402
ABSTRACT:
A solar control film having low visible light transmittance and low visible light reflectance is comprised of two or more transparent substrates each bearing a thin, transparent, discontinuous, incoherent film of metal having low visible light reflectance and a degree of visible light blocking capacity, the substrates being so assembled and laminated into a composite that the visible light blocking capacities of the metal films are effectively combined to provide a composite having low visible light transmittance. Performance characteristics are enhanced by providing on one or more of the substrates a transparent coating of high refractive index underlying the metal film. The material of high refractive index is preferably a synthetic high oxygen content oxide of bismuth, which facilitates efficient and economical production of the solar control film.
REFERENCES:
patent: 3556640 (1971-01-01), Austin
patent: 4045125 (1977-08-01), Farges
patent: 4799745 (1989-01-01), Meyer et al.
patent: 4978181 (1990-12-01), Inanuma et al.
patent: 5071206 (1991-12-01), Hood et al.
patent: 5306547 (1994-04-01), Hood et al.
Deposition Technologies, Inc.
Lerner Martin
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