Stock material or miscellaneous articles – Composite – Of metal
Reexamination Certificate
2005-07-20
2010-12-28
Jackson, Monique R (Department: 1787)
Stock material or miscellaneous articles
Composite
Of metal
C428S457000, C428S473500, C264S241000
Reexamination Certificate
active
07858200
ABSTRACT:
Disclosed in an adhesive film which enables to obtain a flexible metal clad laminate which is suppressed in dimensional change when produced by heat roll lamination. Such an adhesive film comprises a heat-resistant layer containing a highly heat resistant polyimide and an adhesive layer which is formed on at least one surface of the heat-resistant layer and contains a thermoplastic polyimide. In this adhesive film, the thermal shrinkage ratio in the TD direction is not less than +0.01%, and the thermal shrinkage ratio in the MD direction is not more than −0.02%. Consequently, when a metal layer and the adhesive film are bonded together by heat roll lamination and the resulting laminate is subjected to a treatment with heating, occurrence of dimensional changes can be sufficiently suppressed.
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Kaneshiro Hisayasu
Yanagida Masami
Jackson Monique R
Kaneka Corporation
Osha & Liang LLP
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