Anisotropic conductive film for microconnections

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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428344, 428354, 428901, B32B 900

Patent

active

056816472

ABSTRACT:
This self-supported, anisotropic conductive film has a partly annealed polymer layer (46) containing through holes, nail-shaped conductive elements (51) filling said through holes, having a central portion and ends, and the central portion of the nails is made from a hard material (52) and each end respectively of a first and a second meltable materials (44, 54).

REFERENCES:
patent: 4954878 (1990-09-01), Fox et al.
patent: 5060844 (1991-10-01), Behum et al.
patent: 5109320 (1992-04-01), Bourdelaise
patent: 5232548 (1993-08-01), Ehrenberg
patent: 5262226 (1993-11-01), Yoshida
patent: 5304460 (1994-04-01), Fulton et al.
patent: 5374469 (1994-12-01), Hino
patent: 5484647 (1996-01-01), Nakatani

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