Title:
CONTINUOUS PRODUCTION METHOD FOR BOTH-SIDED CONDUCTOR POLYIMIDE LAMINATE
Document Type and Number:
WIPO Patent Application WO/2005/068183
Kind Code:
A1
Abstract:
A method of continuously producing a both-sided conductor polyimide laminate free from defective appearance such as longitudinal wrinkles and stable in quality in a rolled state. The method of continuously producing a both-sided conductor polyimide laminate comprises the step of introducing continuously a one-sided conductor laminate having at least three polyimide resin layers, a base layer, an intermediate main layer and a top layer formed on the conductive metal foil (M1), and a base material consisting of a conductive metal foil (M2) into between a pair of heating press rolls, and laminating and integrating the conductive metal foil (M2)to the top layer by heat press bonding, characterized in that the one-sided conductor laminate and the conductive metal foil (M2) before being introduced into between the heating press rolls are respectively heated preliminarily under an inert gas atmosphere to at least 200°C and up to the glass transition point of the polyimide resin in the top layer and then are brought into contact with the surfaces of the heating press rolls.
Inventors:
MIYAMOTO KAZUYA (JP)
TOKUMITSU AKIRA (JP)
II MASAKAZU (JP)
SHIGEMATSU YOSHIHIRO (JP)
HIGASAYAMA ICHIRO (JP)
KANNO MASAHIRO (JP)
NAKAGAWA YUJIRO (JP)
TOKUMITSU AKIRA (JP)
II MASAKAZU (JP)
SHIGEMATSU YOSHIHIRO (JP)
HIGASAYAMA ICHIRO (JP)
KANNO MASAHIRO (JP)
NAKAGAWA YUJIRO (JP)
Application Number:
PCT/JP2004/019523
Publication Date:
July 28, 2005
Filing Date:
December 27, 2004
Export Citation:
Assignee:
NIPPON STEEL CHEMICAL CO (JP)
MIYAMOTO KAZUYA (JP)
TOKUMITSU AKIRA (JP)
II MASAKAZU (JP)
SHIGEMATSU YOSHIHIRO (JP)
HIGASAYAMA ICHIRO (JP)
KANNO MASAHIRO (JP)
NAKAGAWA YUJIRO (JP)
MIYAMOTO KAZUYA (JP)
TOKUMITSU AKIRA (JP)
II MASAKAZU (JP)
SHIGEMATSU YOSHIHIRO (JP)
HIGASAYAMA ICHIRO (JP)
KANNO MASAHIRO (JP)
NAKAGAWA YUJIRO (JP)
International Classes:
B29C65/00; B29C65/14; B29C65/44; B32B15/08; B32B15/088; B32B37/00; H05K3/00; H05K3/02; H05K1/03; (IPC1-7): B32B15/08; B29C65/44
Foreign References:
| JPH08230103A | 1996-09-10 | |||
| JP2003192789A | 2003-07-09 | |||
| JP2001270038A | 2001-10-02 | |||
| JP2001310435A | 2001-11-06 | |||
| JP2001239585A | 2001-09-04 | |||
| JPH11300887A | 1999-11-02 |
Attorney, Agent or Firm:
Fujimoto, Eisuke c/o Fujimoto Patent & Law Office (Room 317 Sanno Grand Building 3F., 14-2,
Nagata-cho 2-chom, Chiyoda-ku Tokyo 14, JP)
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