Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masahiro Murata0
Hiroshi Morikazu0
Date of Patent
November 30, 2010
0Patent Application Number
118982140
Date Filed
September 10, 2007
0Patent Primary Examiner
Patent abstract
A method of carrying out laser processing along processing lines having linear portions and curved portions formed on a workpiece by using a laser beam processing machine comprising a laser beam application means for applying a laser beam to the workpiece held on a chuck table which comprises a condenser for converging a laser beam, having a focal spot changing means for changing the shape of a focal spot between an elliptic spot and a circular spot, comprising the steps of:
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