Optical: systems and elements – Light interference – Produced by coating or lamina
Patent
1998-06-02
1999-09-21
Henry, Jon
Optical: systems and elements
Light interference
Produced by coating or lamina
359586, 428622, 428632, G02B 110, G02B 528, B21D 3900, C03C 2704
Patent
active
RE0363081
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.
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3M Scotchtint.TM. Sun Control Window Film Re2onearl, Minnesota Mining & Manufacturing Co., St. Paul, MN (1 sheet).
Henry Jon
MSC Specialty Films, Inc.
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