Title:
CUTTING METHOD OF GLASS FILM, GLASS FILM CUTTING APPARATUS AND GLASS FILM
Document Type and Number:
Japanese Patent JP2014162682
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a cutting method of a glass film capable of cutting the glass film along a cut schedule line in high certainty.SOLUTION: A cutting method of a glass film for cutting the glass film by forming a crack on the glass film and developing the crack includes: a crack formation step for forming a crack satisfying inequalities: 0.01≤a/t≤0.2 on the end of the glass film, when the thickness of the glass film is shown as t and the crack depth is shown as a; and a stress action step for allowing a tensile stress of 10-100 MPa to act on a cut schedule line of the glass film at least upon crack formation or after formation thereof.
Inventors:
FUJII TAKAHIDE
Application Number:
JP2013035454A
Publication Date:
September 08, 2014
Filing Date:
February 26, 2013
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO
International Classes:
C03B33/023; B26F3/00; B26F3/02; C03B33/033