DE3473801D1 - Process for the production of ptc thermistors - Google Patents

Process for the production of ptc thermistors

Info

Publication number
DE3473801D1
DE3473801D1 DE8484303796T DE3473801T DE3473801D1 DE 3473801 D1 DE3473801 D1 DE 3473801D1 DE 8484303796 T DE8484303796 T DE 8484303796T DE 3473801 T DE3473801 T DE 3473801T DE 3473801 D1 DE3473801 D1 DE 3473801D1
Authority
DE
Germany
Prior art keywords
production
ptc thermistors
thermistors
ptc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8484303796T
Other languages
English (en)
Inventor
Keiichi Minegishi
Tokuji Akiba
Tadao Katoh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiheiyo Cement Corp
Original Assignee
Chichibu Cement Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chichibu Cement Co Ltd filed Critical Chichibu Cement Co Ltd
Application granted granted Critical
Publication of DE3473801D1 publication Critical patent/DE3473801D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/02—Apparatus or processes specially adapted for manufacturing resistors adapted for manufacturing resistors with envelope or housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
    • H01C1/024—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H01C7/022—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient mainly consisting of non-metallic substances
    • H01C7/023—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient mainly consisting of non-metallic substances containing oxides or oxidic compounds, e.g. ferrites
    • H01C7/025—Perovskites, e.g. titanates

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Thermistors And Varistors (AREA)
  • Ceramic Products (AREA)
  • Glass Compositions (AREA)
DE8484303796T 1983-06-11 1984-06-05 Process for the production of ptc thermistors Expired DE3473801D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58104483A JPS59229803A (ja) 1983-06-11 1983-06-11 Ｐｔｃ　サ−ミスタの製造法

Publications (1)

Publication Number Publication Date
DE3473801D1 true DE3473801D1 (en) 1988-10-06

Family

ID=14381803

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484303796T Expired DE3473801D1 (en) 1983-06-11 1984-06-05 Process for the production of ptc thermistors

Country Status (4)

Country Link
EP (1) EP0129997B1 (de)
JP (1) JPS59229803A (de)
KR (1) KR900005267B1 (de)
DE (1) DE3473801D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62190302U (de) * 1986-05-23 1987-12-03
US5210516A (en) * 1990-02-22 1993-05-11 Murata Manufacturing Co., Ltd. Ptc thermistor and ptc thermistor producing method, and resistor with a ptc thermistor
JPH1055903A (ja) * 1996-08-09 1998-02-24 Mitsubishi Materials Corp 電子部品の構造

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL287531A (de) * 1962-08-11
US3377561A (en) * 1965-07-13 1968-04-09 Bell Telephone Labor Inc Positive temperature coefficient titanate thermistor
LU69220A1 (de) * 1973-06-18 1974-04-08
US4276536A (en) * 1979-09-04 1981-06-30 Scully Electronic Systems, Inc. Self-heating thermistor probe for low temperature applications

Also Published As

Publication number Publication date
EP0129997A1 (de) 1985-01-02
KR850000811A (ko) 1985-03-09
JPS59229803A (ja) 1984-12-24
KR900005267B1 (ko) 1990-07-21
JPH0145962B2 (de) 1989-10-05
EP0129997B1 (de) 1988-08-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee