Dicing/die-bonding film, method of fixing chipped work and...

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Reexamination Certificate

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C438S464000, C156S289000

Reexamination Certificate

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07060339

ABSTRACT:
A dicing/die-bonding film including a pressure-sensitive adhesive layer (2) on a supporting base material (1) and a die-bonding adhesive layer (3) on the pressure-sensitive adhesive layer (2), wherein a releasability in an interface between the pressure-sensitive adhesive layer (2) and the die-bonding adhesive layer (3) is different between an interface (A) corresponding to a work-attaching portion (3a) of the die-bonding adhesive layer (3) and an interface (B) corresponding to a part or a whole of the other portion (3b), and the releasability of the interface (A) is higher than the releasability of the interface (B). The dicing/die-bonding film is excellent in balance between retention in dicing a work and releasability in releasing its diced chipped work together with the die-bonding adhesive layer.

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