Patent ID: 6768061
Filing Date: 2004-07-27
Classification: H01L,H05K,Y10T

Abstract:
A multilayer circuit board comprising an integrated body including a plurality of single-sided conductor layer films, wherein each single-sided conductor layer film includes:a resin film made of thermoplastic resin; and a plurality of conductor layers, which are located only on one surface of the resin film, wherein at least one of the single-sided conductor layer films includes: a plurality of via-holes; and an interlayer connecting material, which is located in the via-holes and is in contact with the conductor layers, wherein: the surfaces on which the conductor layers are located face substantially in the same direction; one of the single-sided conductor layer films includes a plurality of electrodes, which are located on only one surface of the integrated body; the resin films are directly bonded to form the integrated body; and all of the resin films are made of the same material.