Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takeshi Sakamoto0
Date of Patent
August 9, 2011
0Patent Application Number
120313820
Date Filed
February 14, 2008
0Patent Primary Examiner
Patent abstract
An object cutting method which can reliably remove particles remaining on cut sections of chips is provided. An expandable tape 23 is electrically charged in a state where a plurality of semiconductor chips 25 obtained by cutting a planar object to be processed along a line to cut are separated from each other on the expandable tape 23. This electric action causes particles remaining on cut sections of the semiconductor chips 25 to eject therefrom even when a molten processed region is formed in the cut sections. Therefore, particles remaining on the cut sections of the chips 25 can reliably be removed.
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