Laminate

Details Laminate Laminate

2007-05-01

2007-05-01

Lavilla, Michael E. (Department: 1775)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C428S674000, C428S681000, C428S458000, C428S336000, C428S220000

Reexamination Certificate

active

11370920

ABSTRACT:
A laminate having a metal foil layer, and a polyimide resin layer provided on the metal foil layer, wherein the polyimide resin layer is obtained by curing a coating of a polyimide resin precursor solution directly applied onto a surface of the metal foil layer, wherein the polyimide resin layer has a linear expansion coefficient in the range from 10 to 30 ppm/K, wherein the metal foil layer and the polyimide resin layer have a bonding strength therebetween of at least 0.5 kN/m in terms of 180° peel strength, and wherein the polyimide resin obtained from the polyimide resin precursor solution contains at least 50% by weight of a moiety having a structure represented by the following formula (1) shown in the specification.

REFERENCES:
patent: 5536584 (1996-07-01), Sotokawa et al.
patent: 2003/0049487 (2003-03-01), Katsuki et al.
patent: 2004/0105989 (2004-06-01), Ohta et al.
patent: 60-243120 (1985-12-01), None
patent: 01-244841 (1989-09-01), None
patent: 09-174756 (1997-07-01), None
patent: 2002-240193 (2002-08-01), None

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