Production method of anisotropic conductive sheet

Details Production method of anisotropic conductive sheet Production method of anisotropic conductive sheet

2005-09-26

2009-10-13

Del Sole, Joseph S. (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Orienting or aligning solid particles in fluent matrix material

C264S427000, C264S437000

Reexamination Certificate

active

07601281

ABSTRACT:
A flowable insulating resin1is placed in a sheet-like molding die space and conductive magnetic particles2are dispersed in the insulating resin1. A first magnetic field G1is acted in the sheet thickness direction on the position where a conductive path is to be formed in the die space, and conductive magnetic particles2aare locally collected together to form a conductive path. Simultaneously, a second magnetic field G2is acted in the sheet thickness direction on the intermediate region and the magnetic field G2is moved in the lateral direction to move conductive magnetic particles2bleft in the intermediate region to join the collection forming the conductive path. As a result, the number of the conductive magnetic particles left in the insulating resin becomes smaller.

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