Title:
STACK ARTICLE
Document Type and Number:
WIPO Patent Application WO/2010/098200
Kind Code:
A1
Abstract:
Provided is a glass stack characterized by being provided with a glass substrate and a thin-layer stack formed on the glass substrate, wherein the thin-layer stack comprises, in order from the substrate side, a first layer configured from a dielectric, a second layer configured from metal consisting mainly of Ag, a third layer configured from a dielectric, a fourth layer configured from metal consisting mainly of Ag, and a fifth layer configured from a dielectric, the sum of the geometric thicknesses of the second layer and the fourth layer falls within the range of 22-29 nm, the geometric thickness of the second layer is 0.3-0.8 times the thickness of the geometric thickness of the fourth layer, the sum of the optical thicknesses of the first, third, and fifth layers falls within the range of 220-380 nm, the optical thickness of the third layer falls within the range of 140-200 nm, the optical thickness of the first layer is 0.4-1.5 times the optical thickness of the fifth layer, and regarding the reflection color tone from the glass substrate side, a* in the CIE L*a*b* chromaticity coordinate diagram is less than 3 when the incident angle falls within the range of 0°-60°. The glass stack achieves a reduction in reddish reflection tone and an improvement in the reflectivity of a near-infrared region, and thus is suitably used for window glass in order to improve the cooling/heating efficiency in a room.
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Inventors:
OMOTO, Hideo (())
大本 英雄 (())
KATO, Kazuhiro (())
加藤 和広 (())
大本 英雄 (())
KATO, Kazuhiro (())
加藤 和広 (())
Application Number:
JP2010/051866
Publication Date:
September 02, 2010
Filing Date:
February 09, 2010
Export Citation:
Assignee:
CENTRAL GLASS COMPANY, LIMITED (5253, Oaza Okiube Ube-sh, Yamaguchi 01, 〒7550001, JP)
セントラル硝子株式会社 (〒01 山口県宇部市大字沖宇部５２５３番地 Yamaguchi, 〒7550001, JP)
OMOTO, Hideo (())
大本 英雄 (())
KATO, Kazuhiro (())
セントラル硝子株式会社 (〒01 山口県宇部市大字沖宇部５２５３番地 Yamaguchi, 〒7550001, JP)
OMOTO, Hideo (())
大本 英雄 (())
KATO, Kazuhiro (())
International Classes:
C03C17/36; B32B9/00; C23C14/06; E06B5/00
Attorney, Agent or Firm:
HASHIMOTO, Takeshi et al. (Ekisaikai Bldg.1-29, Akashi-ch, Chuo-ku Tokyo 44, 〒1040044, JP)
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