Anisotropic, conductive sheet and impedance measuring probe
AssigneeJsr Corporation
InventorsDaisuke Yamada, Kiyoshi Kimura, Naoshi Yasuda
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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 μm, a number average particle diameter of the conductive particles exhibiting magnetism is 5 to 50 μm, a ratio W1/D of the thickness W1 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.
Claims5
An anisotropically conductive sheet comprising:
- conductive particles exhibiting magnetism in a sheet base including an elastic polymeric substance, said conductive particles in a state dispersed in a plane direction and oriented so as to align in a thickness-wise direction, wherein
- a thickness of the sheet is 10 to 100 μm, a number average particle diameter of the conductive particles exhibiting magnetism is 5 to 50 μm, a ratio W1/D of the thickness W1 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, and a conductive substance exhibiting no magnetism is contained in a uniformly dispersed state.
An anisotropically conductive sheet comprising:
- a sheet base including an elastic polymeric substance;
- a plurality of conductive parts in the sheet, each of the plurality including conductive particles exhibiting magnetism at a high density and extending in a thickness-wise direction of the sheet base;
- and
- an insulating part mutually insulating these conductive parts, wherein
- a thickness of the conductive parts is 10 to 100 μm, a number average particle diameter of the conductive particles exhibiting magnetism is 5 to 50 μm, a ratio W2/D of the thickness W2 of the conductive part 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 in the conductive part is 10 to 40% in terms of a weight fraction, and
- a conductive substance exhibiting no magnetism is included in the conductive parts and the insulating part in a uniformly dispersed state.
Dependencies are inferred from the claim text.