Double-sided metallic laminate and method for manufacturing...

Details Double-sided metallic laminate and method for manufacturing... Double-sided metallic laminate and method for manufacturing...

2004-03-25

2009-02-17

Jackson, Monique R (Department: 1794)

Stock material or miscellaneous articles

Composite

Of metal

C428S473500, C427S384000, C156S307500

Reexamination Certificate

active

07491447

ABSTRACT:
The present invention relates to a double-sided metallic laminate for a printed circuit board and a method for manufacturing the same. The double-sided metallic laminate which comprises a metallic layer at one side, a resin layer of a polyimide for improving adhesion with a metal, a resin layer of a low expansion polyimide having a thermal expansion coefficient of 5×10−6to 2.5×10−5/° C. and a metallic layer at the other side, has excellent flexibility and thermal resistance, can prevent curl and is securely laminated, particularly without the use of an adhesive. Therefore, it is suitable for a printed circuit board of a small size electric appliance.

REFERENCES:
patent: 4937133 (1990-06-01), Watanabe et al.
patent: 5112694 (1992-05-01), Konotsune et al.
patent: 5298331 (1994-03-01), Kanakarajan et al.
patent: 496334 (1992-07-01), None
patent: 01-244841 (1989-09-01), None
patent: WO 88/00428 (1988-01-01), None
patent: WO 0132418 (2001-05-01), None

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