GLASS FILM MANUFACTURING METHOD, AND GLASS FILM PEELING METHOD

WIPO Patent Application WO/2015/012268

A1

[Problem] To provide a glass film peeling method and a glass film manufacturing method in which a glass film can be peeled quickly from a support glass without being damaged. [Solution] A wedge (4) that has a linear cutting edge (4b) and is capable of discharging a fluid (41) from discharge ports (4c, 4c, ...) formed in the cutting edge (4b) is used in a step for separating a glass film laminate (1) into a glass film (11) and a support glass (12) after an electronic device manufacture-related process. The wedge (4) is inserted from the cutting edge (4b) side thereof into the interface (13) between the glass film (11) and the support glass (12) of the glass film laminate (1). Thereafter, while discharging the fluid (41) from the discharge ports (4c, 4c, ...) the relative positions of the wedge (4) and the glass film laminate (1) are changed so that the cutting edge (4b) is repositioned towards an unpeeled part of the interface (13), and thereby the glass film (11) is peeled from the support glass (12).

YAMAZAKI HIROKI (JP)
TOMITA AKIRA (JP)
ISAWA SEIICHI (JP)

PCT/JP2014/069333

January 29, 2015

July 22, 2014

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NIPPON ELECTRIC GLASS CO (JP)

H05B33/10; B32B17/06; B32B37/00; B65H41/00; C03C27/06; H01L51/50; H05B33/02

WO2011048979A1	2011-04-28
WO2010079688A1	2010-07-15
WO2011086991A1	2011-07-21

JPH08108966A	1996-04-30
JP2003335454A	2003-11-25
JP2007072101A	2007-03-22

YANO Juichiro (JP)
Juichiro Yano (JP)

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