Method of detaching plates
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United States of America Patent
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Dec 30, 2014
Grant Date -
May 16, 2013
app pub date -
Nov 9, 2012
filing date -
Nov 10, 2011
priority date (Note) -
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Abstract
Disclosed is a method for detaching two plates bonded through a double-coated pressure-sensitive adhesive sheet without substantially applying such a force (load) to the plates as to cause large distortion (deformation) leading to fracture or breakage of the plates. The method detaches two plates bonded through a double-coated pressure-sensitive adhesive sheet by applying a force to at least one of the two plates at least in a direction normal to the plate at such a temperature that the double-coated pressure-sensitive adhesive sheet has a storage elastic modulus of 1.0×107 Pa or more as measured by dynamic viscoelastic measurement.
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