Patent ID: 7935892
Filing Date: 2011-05-03
Classification: C09J,H01L,H05K,Y02P,Y10T

Abstract:
1. A method for manufacturing an electronic circuit device comprising: forming an anisotropic conductive layer by providing an anisotropic conductive resin layer including an anisotropic conductive resin on a circuit board, the anisotropic conductive resin comprising a resin binder, and at least one kind of conductive particles selected from coil-shaped conductive particles, fiber fluff conductive particles and conductive particles having a plurality of conductive protrusions on the surface thereof; positioning an electrode terminal of an electronic component to a connection terminal on the circuit board; pressing the electronic component so as to press-fit it into the anisotropic conductive resin layer, compressing the anisotropic conductive resin layer between the electrode terminal and the connection terminal, and bringing the electrode terminal and the connection terminal into electrical contact with each other via the conductive particles; and hardening the anisotropic conductive resin layer so as to adhesively bond and fix the electronic component and the circuit board to each other, wherein the resin binder of the anisotropic conductive resin comprises a delayed hardening insulating resin that starts a hardening reaction by irradiation with light and completes hardening after a passage of a predetermined time and a thermosetting insulating resin; and after the forming of the anisotropic conductive layer, starting hardening the delayed hardening insulating resin by previously irradiating the anisotropic conductive resin layer in a coupling region on the circuit board to which the electronic component is coupled with light.