Patent ID: 8742260
Filing Date: 2014-06-03
Classification: H01R,H05K

Abstract:
1. A circuit board device in which a plurality of wiring boards are electrically connected together using an anisotropic conductive member disposed between said plurality of wiring boards, wherein said anisotropic conductive member comprises: an insulating elastic resin material; fine metal wires having a middle portion embedded within said insulating elastic resin material so as to connect corresponding connecting terminals of said plurality of wiring boards; a plurality of resin layers exhibiting a flexural rigidity greater than that of said insulating elastic resin material; wherein an assembly of said plurality of wiring boards and said anisotropic conductive member is curve; wherein said anisotropic conductive member has said resin layers on entire or a portion of opposing side faces other than the principle surfaces that oppose said plurality of wiring boards; and wherein said resin layers comprise at least one resin from among a heat curable resin, thermoplastic resin and ultraviolet curable resin; wherein said resin layers are shape-retaining resins for maintaining curvature of respective ones of principle surfaces of said anisotropic conductive members made to conform to curvature of said plurality of wiring boards; and wherein thickness of the shape-retaining resins is optimized in accordance with the insulating elastic resin material and the properties and shape of the shape-retaining resins.