DE69432116T2 - Keramikzusammensetzung und diese Keramikzusammensetzung enthaltender Thermistor - Google Patents

Keramikzusammensetzung und diese Keramikzusammensetzung enthaltender Thermistor

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Publication number
DE69432116T2
DE69432116T2 DE69432116T DE69432116T DE69432116T2 DE 69432116 T2 DE69432116 T2 DE 69432116T2 DE 69432116 T DE69432116 T DE 69432116T DE 69432116 T DE69432116 T DE 69432116T DE 69432116 T2 DE69432116 T2 DE 69432116T2
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DE
Germany
Prior art keywords
ceramic composition
thermistor containing
thermistor
ceramic
composition
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 - Lifetime
Application number
DE69432116T
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English (en)
Other versions
DE69432116D1 (de
Inventor
Masaki Iwaya
Kyohei Hayashi
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug 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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Application granted granted Critical
Publication of DE69432116D1 publication Critical patent/DE69432116D1/de
Publication of DE69432116T2 publication Critical patent/DE69432116T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/42—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on chromites
    • C—CHEMISTRY; METALLURGY
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62625—Wet mixtures
    • C04B35/6264—Mixing media, e.g. organic solvents
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62655—Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62685—Treating the starting powders individually or as mixtures characterised by the order of addition of constituents or additives
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • 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
    • H01C7/04—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 negative temperature coefficient
    • H01C7/042—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 negative temperature coefficient mainly consisting of inorganic non-metallic substances
    • H01C7/043—Oxides or oxidic compounds
    • H01C7/045—Perovskites, e.g. titanates
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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Thermistors And Varistors (AREA)
  • Compounds Of Iron (AREA)
  • Inorganic Insulating Materials (AREA)
DE69432116T 1993-11-25 1994-11-25 Keramikzusammensetzung und diese Keramikzusammensetzung enthaltender Thermistor Expired - Lifetime DE69432116T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32142893 1993-11-25
JP35019093A JP3254595B2 (ja) 1993-11-25 1993-12-29 サーミスタ用磁器組成物

Publications (2)

Publication Number Publication Date
DE69432116D1 DE69432116D1 (de) 2003-03-20
DE69432116T2 true DE69432116T2 (de) 2003-09-11

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Application Number Title Priority Date Filing Date
DE69432116T Expired - Lifetime DE69432116T2 (de) 1993-11-25 1994-11-25 Keramikzusammensetzung und diese Keramikzusammensetzung enthaltender Thermistor

Country Status (6)

Country Link
US (1) US5610111A (de)
EP (1) EP0655752B1 (de)
JP (1) JP3254595B2 (de)
KR (1) KR100344034B1 (de)
DE (1) DE69432116T2 (de)
SG (1) SG55094A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879750A (en) * 1996-03-29 1999-03-09 Denso Corporation Method for manufacturing thermistor materials and thermistors
JP3555767B2 (ja) * 1996-09-18 2004-08-18 株式会社 豊田中央研究所 ワイドレンジサーミスタ材料およびその製造方法
DE69841837D1 (de) 1997-03-19 2010-09-30 Denso Corp Thermistorelement und Temperatursensor
US6261480B1 (en) 1997-03-19 2001-07-17 Denso Corporation Wide-range type thermistor element and method of producing the same
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EP0655752A2 (de) 1995-05-31
JP3254595B2 (ja) 2002-02-12
JPH07201526A (ja) 1995-08-04
US5610111A (en) 1997-03-11
DE69432116D1 (de) 2003-03-20
SG55094A1 (en) 1998-12-21
EP0655752B1 (de) 2003-02-12
KR950014028A (ko) 1995-06-15
KR100344034B1 (ko) 2002-11-29
EP0655752A3 (de) 1996-05-01

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