Reflecting film and reflector making use of the same

Details Reflecting film and reflector making use of the same Reflecting film and reflector making use of the same

1996-05-30

1999-11-09

Spyrou, Cassandra C.

Optical: systems and elements

Light interference

Produced by coating or lamina

359582, 359585, 4289122, G02B 530

Patent

active

059825464

ABSTRACT:
A reflecting film has at least a transparent polymer film and a thin silver layer applied on the transparent polymer film to reflect light entered from a side of the transparent polymer film. The reflecting film retains a reflectance of at least 90% to visible light even after the reflector is exposed for 300 hours at a reflecting film temperature of 100.degree. C. and an exposure intensity of 500 mW/cm.sup.2 to artificial sunlight from which light of 390 nm and shorter in wavelength has been eliminated. For fabricating the reflecting film, a surface of the transparent polymer film is preferably treated with a metal-containing plasma, then the thin-silver layer is deposited on the treated surface. A reflector making use of the reflecting film is also disclosed.

REFERENCES:
patent: 5118540 (1992-06-01), Hutchinson
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patent: 5276600 (1994-01-01), Takase et al.
patent: 5361172 (1994-11-01), Schissel et al.
patent: 5424876 (1995-06-01), Fujii
patent: 5589280 (1996-12-01), Gibbons et al.
Patent Abstracts of Japan, vol. 018, No. 241 (P-1733), May 9, 1994 & JP 06 027309 (Enplas Corp), Feb. 4, 1994 *Abstract*.
Patent Abstracts of Japan, vol. 018, No. 220 (M-1595), Apr. 20, 1994 & JP 06 015774 (Mitsui Toatsu Chem., Inc.), Jan. 25, 1994 *Abstract; Figure*.
L.J. Gerenser, "Photoemission Investigation of Silver/Poly(Ethylene Terephthalate) Interfacial Chemistry: The Effect of Oxygen-Plasma Treatment", J. Vac. Sci. Technol, A 8 (5), Sep./Oct. 1990, pp. 3682-3691.

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