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Patent Searching and Data


Title:
ガラスの切断方法
Document Type and Number:
Japanese Patent JP4175636
Kind Code:
B2
Abstract:
A first laser beam ( 2 ) and a second laser beam ( 3 ) composed of an ultraviolet laser are irradiated from a side of a second glass member ( 5 b), allowing the first laser beam ( 2 ) to pass through the second glass member ( 5 b) so as to condense the first laser beam ( 2 ) on the first glass member ( 5 a) to form a first scribe line ( 14 ), condensing the second laser beam ( 3 ) on the second glass member ( 5 b) to form a second scribe line ( 15 ), and applying a break force to the first scribe line ( 14 ) and the second scribe line ( 15 ) to cut the glass.

Inventors:
Kusama Hideaki
Toshio Inami
Naoyuki Kobayashi
Application Number:
JP2003372155A
Publication Date:
November 05, 2008
Filing Date:
October 31, 2003
Export Citation:
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Assignee:
Japan Steel Works, Ltd.
International Classes:
B28D5/00; B23K26/06; C03B33/07; B23K26/073; B23K26/364; B23K26/38; C03B33/023; C03B33/09
Domestic Patent References:
JP2003002676A
JP2001212683A
JP2001179473A
Attorney, Agent or Firm:
Michiharu Soga
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
Masahiro Taguchi