Dicing die-bonding film

Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material

Reexamination Certificate

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Reexamination Certificate

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07863182

ABSTRACT:
The invention relates to a dicing die-bonding film having a pressure-sensitive adhesive layer (2) on a substrate material (1) and a die-bonding adhesive layer (3) on the pressure-sensitive adhesive layer (2), wherein the adhesion of the pressure-sensitive adhesive layer (2) to the die-bonding adhesive layer (3), as determined under the conditions of a peel angle of 15° and a peel point moving rate of 2.5 mm/sec. at 23° C., is different between a region (2a) corresponding to a work attachment region (3a) and a region (2b) corresponding to a part or the whole of the other region (3b), in the die-bonding adhesive layer (3), and satisfies the following relationship: adhesion of the pressure-sensitive adhesive layer (2a) <adhesion of the pressure-sensitive adhesive layer (2b), and the adhesion of the pressure-sensitive adhesive layer (2a) to the die-bonding adhesive layer (3) is not higher than 2.3 N/25 mm.

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