Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Reexamination Certificate
2011-01-18
2011-01-18
Tran, Thao T. (Department: 1787)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
C428S473500, C428S458000, C528S353000, C528S310000, C427S207100, C427S404000
Reexamination Certificate
active
07871698
ABSTRACT:
The present invention relates to an adhesive film with which a flexible metal-clad laminate is obtained with suppressed dimensional changes occurred when produced by a laminating method; and a flexible metal-clad laminate comprising the adhesive film and a metal foil bonded thereto. The adhesive film comprises a polyimide film and, formed on at least one side thereof, an adhesive layer comprising a thermoplastic polyimide and has coefficients of linear expansion satisfying the relationship 1.0>(coefficient of linear expansion in the MD direction)/(coefficient of linear expansion in the TD direction)>0.1. This adhesive film may be one produced continuously and further satisfying the relationship 1.70>(elastic modulus in the MD direction)/(elastic modulus in the TD direction)>1.05 when the adhesive film has an MD modulus of 5 GPa or higher throughout the whole width thereof. That adhesive film may be one produced continuously and further satisfying the relationship 2.00>(elastic modulus in the MD direction)/(elastic modulus in the TD direction)>1.10 when the adhesive film has an MD modulus less than 5 GPa throughout the whole thereof.
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Notification of Transmittal of Translation of the International Preliminary Report on Patentability (Form PCT/IB/338) of International Application No. PCT/JP2005/007875 mailed Nov. 23, 2006 with Forms PCT/IB/373 and PCT/ISA/237.
International Search Report of PCT/JP2005/007875, date of mailing Aug. 9, 2005.
Fujihara Kan
Matsuwaki Takaaki
Ono Kazuhiro
Kaneka Corporation
Tran Thao T.
Westerman Hattori Daniels & Adrian LLP
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