Title:
PTC複合材料
Document Type and Number:
Japanese Patent JP4393003
Kind Code:
B2
Abstract:
A PTC composite material including a matrix of ceramic material having one of a cristobalite crystal structure and a tridymite crystal structure, each doped with an oxide of at least one of Be, B, Mg, Al, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge and W, and a conductive phase dispersed throughout the matrix. The conductive phase includes at least one of a metal, silicide, nitride, carbide and boride. The material can also contain a polymer to make it more flexible.
Inventors:
Nobuhiko Ishida
Application Number:
JP2001025949A
Publication Date:
January 06, 2010
Filing Date:
February 01, 2001
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
H01C7/02; C04B35/14; C04B35/447
Domestic Patent References:
| JP10261506A | ||||
| JP11097207A | ||||
| JP10270217A | ||||
| JP11233310A | ||||
| JP4322401A | ||||
| JP9180906A | ||||
| JP10261505A | ||||
| JP10340801A | ||||
| JP2225329A |
Attorney, Agent or Firm:
Ippei Watanabe