Anisotropic conductive film and method of producing the same
AssigneeDexerials Corporation
InventorSeiichiro SHINOHARA
Life of this patent
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Abstract
An anisotropic conductive film has a three-layer structure in which a first connection layer is sandwiched between a second connection layer and a third connection layer that each are formed mainly of an insulating resin. The first connection layer has a structure in which conductive particles are arranged in a single layer in the plane direction of an insulating resin layer on a side of the second connection layer, and the thickness of the insulating resin layer in central regions between adjacent ones of the conductive particles is smaller than that of the insulating resin layer in regions in proximity to the conductive particles.
Claims11
An intermediate product film for producing an anisotropic conductive film, the intermediate product film comprising
- a first connection layer and a second connection layer formed thereon, the first and the second connection layer being comprised mainly of an insulating resin,
- wherein conductive particles are arranged in the first connection layer, and
- the insulating resin in proximity to the conductive particles in the first connection layer has an undulation in a direction of the second connection layer.
Dependencies are inferred from the claim text.