Sheet-like pressure-sensitive resistance member having electrode

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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428323, 428338, 428339, 428378, 428407, 338114, 338115, 252511, 252518, B32B 1500

Patent

active

059979968

ABSTRACT:
An electrode-provided sheet-like pressure-sensitive resistance member includes a sheet-like pressure-sensitive resistance member which includes conductive particles arranged such that the conducting direction of the conductive particles intersects a surface of the sheet-like pressure-sensitive resistance member, a sheet-like protective member for protecting the sheet-like pressure-sensitive resistance member, and a sheet-like electrode member composed of a substrate and electrodes formed thereon. Accordingly, it becomes possible to sufficiently increase the durability of the electrode-provided sheet-like pressure-sensitive resistance member and to form it into an arbitrary shape. Also, needle-shaped conductive particles and spherical non-conductive particles are dispersed within a resin material in a state in which the needle-shaped conductive particles are in close contact with the surface of the spherical non-conductive particles, whereby the conducting direction of the conductive particles intersects the surface of the sheet-like pressure-sensitive resistance member. Accordingly, it becomes possible to effectively transmit variations in externally applied pressure, thereby greatly increasing the transmission sensitivity for information about the applied pressure.

REFERENCES:
patent: 4145317 (1979-03-01), Sudo et al.
patent: 4996511 (1991-02-01), Ohkawa et al.
patent: 5431571 (1995-07-01), Hanrahan et al.
patent: 5484648 (1996-01-01), Odashima et al.
patent: 5629073 (1997-05-01), Lovell

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