Patent ID: 7602071
Filing Date: 2009-10-13
Classification: B23K,H01L

Abstract:
1. An apparatus for dividing an adhesive film mounted on the back surface of a wafer, along a plurality of streets formed on the wafer front surface in a lattice pattern with function elements formed in a plurality of areas sectioned by the plurality of streets, the wafer with the adhesive film being on a surface of a protective tape mounted on an annular frame, the apparatus comprising: a frame holding means for holding the annular frame with the protective tape mounted thereon; a cooling means for cooling the adhesive film through the protective tape to thereby reduce stretchability of the film; and a tape expanding means for expanding the protective tape mounted on the annular frame and thereby divide the cooled adhesive film having reduced stretchability so as to separate the adhesive film into individual pieces corresponding to the function elements.