Anisotropic, conductive sheet and impedance measuring probe
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United States of America Patent
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Jul 4, 2006
Grant Date -
Jan 12, 2006
app pub date -
Aug 26, 2003
filing date -
Aug 27, 2002
priority date (Note) -
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Abstract
An anisotropically conductive sheet of the invention formed by containing conductive particles exhibiting magnetism in a sheet base composed of an elastic polymeric substance in a state dispersed in a plane direction thereof and oriented so as to align in a thickness-wise direction thereof. A thickness of the sheet is 10 to 100 .mu.m, a number average particle diameter of the conductive particles exhibiting magnetism is 5 to 50 .mu.m, a ratio W.sub.1/D of the thickness W.sub.1 to the number average particle diameter D of the conductive particles exhibiting magnetism is 1.1 to 10, a content of the conductive particles exhibiting magnetism is 10 to 40% in terms of a weight fraction.
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