Polymer particles and conductive particles having enhanced...

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter

Reexamination Certificate

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C428S402000, C428S403000, C252S512000, C427S222000

Reexamination Certificate

active

07851063

ABSTRACT:
Disclosed herein are anisotropic conductive particles contained in anisotropic conductive adhesive films, which can be used in circuit board mounting applications. The conductive particles can exhibit superior electrical reliability. Further disclosed are polymer particles having good compressive deformability and recoverability from deformation without being ruptured when an adhesive film containing conductive particles including the polymer particles as a component is interposed and compressed between connection substrates, thereby achieving a sufficient contact area between the particles and the connection substrates. Because the polymer particles have a spherical shape, a uniform particle diameter, and a narrow particle diameter distribution, the particles can exhibit enhanced conducting properties.

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International Search Report and Written Opinion in corresponding International Application No. PCT/KR2005/001558, mailed on Oct. 25, 2005.

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