Anisotropic conductive sheet and its manufacturing method

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified

Reexamination Certificate

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Reexamination Certificate



An anisotropic conductive sheet interposed between a circuit board such as a substrate and various circuit parts to render them conductive and its manufacturing method. The anisotropic conductive sheet has a fine pitch required by the recent highly integrated circuit boards and electronic parts. In the anisotropic conductive sheet in which conductive members are scattered in a nonconductive matrix, the conductive members (e.g.,24) penetrate through the sheet (10) in the direction of thickness and conductive auxiliary layers (e.g.,25) are in contact with the conductive members (e.g.,24).

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patent: 3998513 (1976-12-01), Kobayashi et al.
patent: 6040037 (2000-03-01), Imai
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patent: 2000-340037 (2000-12-01), None
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Supplementary European Search Report, Application No. EP 03 74 4535, dated Jul. 7, 2006.
Chinese Office Action, #038065681, Received Date Jan. 16, 2007 (7 pages).


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