Laminate body, method, and apparatus for manufacturing...

Details Laminate body, method, and apparatus for manufacturing... Laminate body, method, and apparatus for manufacturing...

2009-10-22

2011-10-18

Osele, Mark A (Department: 1745)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Delaminating, per se; i.e., separating at bonding face

C156S753000, C156S930000

Reexamination Certificate

active

08038839

ABSTRACT:
Provided is a laminated body comprising a substrate to be ground and a support, where the substrate is ground to a very small thickness and can then be separated from the support without damaging the substrate. One embodiment of the present invention is a laminated body comprising a substrate to be ground, a joining layer in contact with the substrate to be ground, a photothermal conversion layer comprising a light absorbing agent and a heat decomposable resin, and a light transmitting support. After grinding the substrate surface which is opposite that in contact with the joining layer, the laminated body is irradiated through the light transmitting layer and the photothermal conversion layer decomposes to separate the substrate and the light transmitting support.

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