GLASS SHEET MANUFACTURING METHOD AND GLASS SHEET

WIPO Patent Application WO/2015/093029

A1

　This glass sheet manufacturing method is a method for manufacturing a glass sheet having a modified surface, and includes a gas contact step for bringing hydrogen fluoride (HF) gas and hydrogen chloride (HCl) gas into contact with at least one principal face of a glass sheet having a temperature in the range of 450-630°C. The volume ratio (volume of water vapor/volume of HF gas) of water vapor with respect to hydrogen fluoride (HF) gas in the gas including hydrogen fluoride (HF) which is used in the gas contact step is less than 8.

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TANAKA SATOSHI (JP)
TSURI KEIKO (JP)
KOYO HIROTAKA (JP)
MITANI KAZUISHI (JP)
SAITO YASUHIRO (JP)

PCT/JP2014/006224

June 25, 2015

December 12, 2014

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NIPPON SHEET GLASS CO LTD (JP)

C03C15/00; C03B27/00

WO2012141311A1	2012-10-18
WO2013035746A1	2013-03-14

JP158588C2
JP2004323246A	2004-11-18
JPH04295078A	1992-10-20
JP2012148950A	2012-08-09

See also references of EP 3085672A4

KAMADA, Koichi et al. (JP)
Koichi Kamata (JP)

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