Low emissivity film

Details Low emissivity film Low emissivity film

1991-11-27

1995-05-30

Turner, A. A.

Stock material or miscellaneous articles

Composite

Of quartz or glass

428212, 428432, 428433, 428469, 428472, 428688, 428689, 428697, 428699, 428702, 359350, 359360, 359577, 359580, 359581, 359582, 359585, 359586, B32B 1504

Patent

active

054199697

ABSTRACT:
A low emissivity film formed on a substrate, which comprises a coating of oxide films and films whose major component is Ag alternately formed on the substrate in a total of (2n+1) layers where n is an integer being equal to or more than 1, with the innermost layer being an oxide film, wherein an integral width .beta.i(.degree.) of (111) diffraction line of a cubic Ag in an X-ray diffraction diagram of the low emissivity film exists in a first range of 180.lambda./(d.pi.cos.theta.).ltoreq..beta.i.ltoreq.180.pi./(d.pi.cos.thet a.)+0.15, where d(.ANG.) designates a thickness of a film whose major component is Ag, .pi.(.ANG.), a wave length of an X-ray for measurement and .theta., Bragg angle.

REFERENCES:
patent: 2825687 (1958-03-01), Preston et al.
patent: 3978272 (1976-08-01), Donley
patent: 4336120 (1982-06-01), Sakakura et al.
patent: 4462883 (1984-07-01), Hart
patent: 4462884 (1984-07-01), Gillery et al.
patent: 4565719 (1986-01-01), Phillips
patent: 4859532 (1989-08-01), Oyama
patent: 4971843 (1990-11-01), Michelotti
WPIL, 84-059802, & JP-A-59-018-134, Jan. 30, 1984, (Filed Feb. 27, 1992) Abs. only.
WPIL, 89-003563, & JP-A-63-281-204, Nov. 17, 1988, (Filed Feb. 27, 1992) Abs. only.
Solar Energy Materials, vol. 19, Nos. 1/2, pp. 55-65, Sep., 1989, R. C. Ross, et al., "Plasma Oxidation of Silver and Zinc in Low-Emissivity Stacks".

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