High adhesion triple layered anisotropic conductive adhesive...

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

Reexamination Certificate

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C428S216000, C428S323000, C428S332000, C428S334000, C428S336000, C428S337000, C428S343000, C428S354000, C428S3550EP, C428S413000, C428S414000

Reexamination Certificate

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06878435

ABSTRACT:
Disclosed is a triple layered ACA film adapted for enhancing the adhesion strength of a typical single layer Anisotropic Conductive Film or for enhancing the adhesion strength of the ACA film in flip chip bonding. The triple layered ACA film of the invention comprises: a main ACA film based upon epoxy resin and containing conductive particles having a particle size of 3 to 10 μm and optionally non-conductive particles having a particle size of 0.1 to 1 μm; and adhesion reinforcing layers based upon epoxy resin and formed at both sides of the main ACA film.

REFERENCES:
patent: 5330684 (1994-07-01), Emori et al.
patent: 5686703 (1997-11-01), Yamaguchi
patent: 6020059 (2000-02-01), Yamada et al.
patent: 6514560 (2003-02-01), Paik et al.
patent: 6583834 (2003-06-01), Uchiyama

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