Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1992-05-07
1994-04-12
Kight, III, John
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
428328, 428356, 42840224, 437 8, 437209, 437211, B32B 516, B32B 712
Patent
active
053024567
ABSTRACT:
An anisotropic conductive material includes micro-capsules dispersed in a bonding resin. The micro-capsules contains, as a filler material, a conductor and a polymerization initiator, a curing agent or a curing promotor. A wall member encapsulating the filler material is formed of a thermoplastic or thermosetting insulative resin. Therefore, if the micro-capsules in the anisotropic conductive material are broken or destroyed by pressure or both of pressure and heat, electrical connection can be established between electrode pads and electrode terminals of a wiring substrate through the conductors contained in the micro-capsules. Simultaneously, the polymerization initiator, the curing agent or the curing promotor flows out, so that the insulative bonding resin is solidified. Thus, the anisotropic conductive material has a high connection reliability, a good reproducibility, an excellent packaging workability, and excellent shelf stability.
REFERENCES:
patent: 4735847 (1988-04-01), Fujiwara et al.
patent: 5120665 (1992-06-01), Tsukagoshi et al.
Kight III John
Mosley T.
NEC Corporation
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