HEAT-REFLECTING MEMBER, AND METHOD FOR MANUFACTURING GLASS MEMBER HAVING HEAT-REFLECTING LAYER INCLUDED THEREIN

WIPO Patent Application WO/2021/065556

A1

Provided are: a heat-reflecting member which can keep high reflectivity, cannot be broken even under high-temperature environments during the manufacturing and use thereof, does not generate dusts upon use, and can be washed with a chemical solution; and a method for manufacturing a glass member having a heat-reflecting layer included therein and suitable as the heat-reflecting member.　A heat-reflecting member having such a laminated structure that quartz glass layers are formed respectively on the upper surface and the lower surface of a siliceous sintered powder layer, wherein, in a part of the siliceous sintered powder layer which is positioned at an edge part of the heat-reflecting member, at least a non-permeable layer and a buffer layer are provided, the non-permeable layer has a thickness larger than 1/2 of the thickness of the siliceous sintered powder layer and cannot be permeated by a gas or a liquid, and the buffer layer is arranged between the non-permeable layer and the siliceous sintered powder layer and has a density that changes in the direction from the non-permeable layer toward the sintered powder layer.

YAMAGUCHI KAZUHIRO (JP)
FUJITA DAIKI (JP)
HARADA YOSHIHIRO (JP)
SEGAWA TORU (JP)
WATANABE TOMONORI (JP)

PCT/JP2020/035379

April 08, 2021

September 18, 2020

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SHIN ETSU QUARTZ PROD CO LTD (JP)
YAMAGATA SHIN ETSU QUARTZ PRODUCTS CO LTD (JP)
HERAEUS QUARZGLAS (DE)

C03B20/00; C03B33/08

JP2010531799A	2010-09-30
JP2004067456A	2004-03-04
JP2008063207A	2008-03-21
JP2013035723A	2013-02-21

ISHIHARA, Shinsuke et al. (JP)

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