Stock material or miscellaneous articles – Circular sheet or circular blank – Aperture containing
Reexamination Certificate
2006-06-13
2006-06-13
Schillinger, Laura M. (Department: 2813)
Stock material or miscellaneous articles
Circular sheet or circular blank
Aperture containing
C438S464000, C156S289000
Reexamination Certificate
active
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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Matsumura Takeshi
Mizutani Masaki
Knobbe Martens Olson & Bear LLP
Nitto Denko Corporation
Schillinger Laura M.
LandOfFree
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