Patent ID: 7968977

Claim:
A dicing film having a shrinkage release film, wherein the dicing film serves to fix a semiconductor die when a semiconductor wafer is diced, the dicing film comprising: a shrinkage release film having a first and second side made of a material that can shrink when being heated; a die adhesive film having a thickness of 10 μm to 175 μm coated on a first side of the shrinkage release film; a polyethylene protection film formed on a upper surface of the die adhesive film; and an adhesive film for dicing coupled to the second side of the shrinkage release film via an adhesive layer; and wherein adhesive strength of the shrinkage release film and the adhesive film is higher than that of the shrinkage release film and the die adhesive film, wherein the shrinkage release film is made of polyethylene-2,6-naphthalenedicarboxylate (PEN), which shrinks when being heated.