H - Electricity – 05 – K
Patent
H - Electricity
05
K
H05K 3/02 (2006.01) H01F 41/16 (2006.01) H01R 4/04 (2006.01) H05K 3/32 (2006.01)
Patent
CA 2182432
An anisotropically-conductive film or a substrate having a surface coated with an anisotropically-conductive coating, said film or coating being formed by solidifying a composition comprising (i) a solidifiable ferrofluid composition, the ferrofluid comprising a colloidal suspension of ferromagnetic particles in a non-magnetic carrier, and (ii) a plurality of electrically-conductive particles, dispersed in the ferrofluid, the electrically-conductive particles having been arrayed in a non-random pattern by application of a substantially uniform magnetic field to the composition in a liquid state and having been locked in position by solidification of the composition. The composition is solidified in an A-stage, usually involving a primary cure. In end-use application of the film or coating, the composition usually undergoes a B-stage or secondary cure. The film or coated substrate is an article of manufacture for bonding conductors in the electronics industry.
Burke Joseph
Mcardle Ciaran Bernard
Kirby Eades Gale Baker
Loctite (ireland) Limited
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