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Title:
POLYIMIDE METAL LAMINATE AND PRINTED WIRING BOARD OBTAINED BY USING THE SAME
Document Type and Number:
Japanese Patent JP2012006200
Kind Code:
A
Abstract:

To provide a polyimide metal laminate which is used as a two-layer flexible substrate having excellent heat resistance and has excellent connection reliability when bent in electronic equipment and to provide a printed wiring board obtained by using the polyimide metal laminate.

The polyimide metal laminate 1 includes: a non-thermoplastic polyimide film 13; an adhesive polyimide layer 14 arranged on at least one side of the non-thermoplastic polyimide film 13; and a metal layer 12 arranged on the adhesive polyimide layer 14. The non-thermoplastic polyimide film 13 has ≤4 GPa elastic modulus, the adhesive polyimide layer 14 has 1-3 μm thickness and the metal layer 12 has ≤1.0 μm ten-point average roughness Rz on the contact surface abutted on the adhesive polyimide layer 14.


Inventors:
MATSUURA KOUYA
ASANO GOJI
Application Number:
JP2010142817A
Publication Date:
January 12, 2012
Filing Date:
June 23, 2010
Export Citation:
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Assignee:
ASAHI KASEI E MATERIALS CORP
International Classes:
B32B15/088; B32B15/08; H05K1/03; H05K3/28
Attorney, Agent or Firm:
Hiroyoshi Aoki
Amada Masayuki



 
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