Patent ID: 6994897
Filing Date: 2006-02-07
Classification: H05K,Y10S,Y10T

Abstract:
1. An assembly comprising a rigid frame in the shape of a polygon with rounded vertices and a first flexible film made of dielectric material bonded to and spanning said frame, wherein said frame comprises a plurality of straight sections connected by a plurality of circular arcs, and the material of said frame has a coefficient of thermal expansion less than the coefficient of thermal expansion of said dielectric material, wherein said frame has a thickness in the range of 40–100 mils and said frame has the shape of a square with rounded corners, the length of each side being substantially equal to 9 inches, the wall width being substantially equal to 0.5 inch, the outer radius of each corner being substantially equal to 1.94 inches, and the inner radius of each corner being substantially equal to 1.5 inches.