GLASS FILM CUTTING METHOD AND GLASS FILM LAMINATE
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United States of America Patent
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Issued Date -
Oct 24, 2013
app pub date -
Apr 3, 2013
filing date -
Apr 5, 2012
priority date (Note) -
Abandoned
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Abstract
A glass film laminate is manufactured by setting a surface roughness Ra of a surface of a glass film having a thickness of 200 μm or less to contact a support glass, which supports the glass film, and a surface of the support glass to contact the glass film to 2.0 nm or less, and by bringing the surfaces of the glass film and the support glass into surface contact with each other. After that, a laser scribing operation is carried out, in which a scribe line is formed in the glass film by propagating an initial crack through laser heating of the glass film followed by subsequent cooling of the glass film.
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