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US 6,555,024 B2Granted
Pressure-sensitive conductive ink composition
AssigneeNitta Corporation
InventorsTsutomu Ueda, Toshikazu Ooue
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Abstract
A pressure-sensitive conductive ink composition includes a thermoplastic resin and a conductive filler. The thermoplastic resin is added with a curing agent capable of a partial crosslinkable reaction. The resulting composition maintains its pressure-sensitive characteristics, even at elevated temperatures.
Claims36
A pressure-sensitive conductive ink composition comprising:
- a thermoplastic resin;
- a conductive filler;
- a non-conductive filler;
- a curing agent partially crosslinking said thermoplastic resin;
- said thermoplastic resin being a polyhydroxy ether;
- and
- said non-conductive filler being ultrafine silicon dioxide having a primary particle diameter of about 7 nm.
4 more elements
A pressure-sensitive conductive ink composition comprising:
- a thermoplastic resin;
- a conductive filler;
- and
- a curing agent partially crosslinking said thermoplastic resin, wherein the thermoplastic resin is a polyhydroxy ether having a structure according to the following formula (II):
- wherein n is from 1 to about 500.
2 more elements
Dependencies are inferred from the claim text.