WO2008152976A1 - 半導体セラミック材料 - Google Patents

半導体セラミック材料 Download PDF

Info

Publication number
WO2008152976A1
WO2008152976A1 PCT/JP2008/060424 JP2008060424W WO2008152976A1 WO 2008152976 A1 WO2008152976 A1 WO 2008152976A1 JP 2008060424 W JP2008060424 W JP 2008060424W WO 2008152976 A1 WO2008152976 A1 WO 2008152976A1
Authority
WO
WIPO (PCT)
Prior art keywords
ceramic material
semiconductor ceramic
mole
parts
content
Prior art date
Application number
PCT/JP2008/060424
Other languages
English (en)
French (fr)
Inventor
Hayato Katsu
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co., Ltd. filed Critical Murata Manufacturing Co., Ltd.
Priority to EP08765237.6A priority Critical patent/EP2159207B1/en
Priority to CN2008800202491A priority patent/CN101687714B/zh
Priority to KR1020097026005A priority patent/KR101149634B1/ko
Priority to JP2009519237A priority patent/JP5152182B2/ja
Publication of WO2008152976A1 publication Critical patent/WO2008152976A1/ja
Priority to US12/636,372 priority patent/US8093170B2/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-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
    • H01C7/02Non-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
    • H01C7/022Non-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
    • H01C7/023Non-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
    • H01C7/025Perovskites, e.g. titanates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46Shaped 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 titanium oxides or titanates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46Shaped 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 titanium oxides or titanates
    • C04B35/462Shaped 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 titanium oxides or titanates based on titanates
    • C04B35/465Shaped 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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
    • C04B35/468Shaped 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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
    • C04B35/4682Shaped 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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-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
    • H01C7/02Non-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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3201Alkali metal oxides or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208Calcium oxide or oxide-forming salts thereof, e.g. lime
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3227Lanthanum oxide or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3262Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3262Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
    • C04B2235/3263Mn3O4
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3298Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/604Pressing at temperatures other than sintering temperatures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658Atmosphere during thermal treatment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/78Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/785Submicron sized grains, i.e. from 0,1 to 1 micron
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74Physical characteristics
    • C04B2235/78Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
    • C04B2235/786Micrometer sized grains, i.e. from 1 to 100 micron
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/80Phases present in the sintered or melt-cast ceramic products other than the main phase
    • C04B2235/85Intergranular or grain boundary phases

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

 Pbを含有せず、キュリー点が高く、さらに比抵抗の低い、PTC特性を有する半導体セラミック材料を提供する。  一般式:ABO3で表される、PTC特性を有する半導体セラミック材料であって、Aは、Ba、Ca、アルカリ金属元素、Biおよび希土類元素を含み、BはTiを含む。Caは、Ti100モル部に対して、5~20モル部、好ましくは12.5~17.5モル部含む。アルカリ金属元素の含有量/(Biの含有量+希土類元素の含有量)は、1.0~1.06の範囲に選ばれることが好ましい。また、さらに、Mnを、Ti100モル部に対して、0.01~0.2モル部含むことが好ましい。
PCT/JP2008/060424 2007-06-14 2008-06-06 半導体セラミック材料 WO2008152976A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP08765237.6A EP2159207B1 (en) 2007-06-14 2008-06-06 Semiconductor ceramic material
CN2008800202491A CN101687714B (zh) 2007-06-14 2008-06-06 半导体陶瓷材料
KR1020097026005A KR101149634B1 (ko) 2007-06-14 2008-06-06 반도체 세라믹 재료
JP2009519237A JP5152182B2 (ja) 2007-06-14 2008-06-06 半導体セラミック材料
US12/636,372 US8093170B2 (en) 2007-06-14 2009-12-11 Semiconductor ceramic material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-157420 2007-06-14
JP2007157420 2007-06-14

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/636,372 Continuation US8093170B2 (en) 2007-06-14 2009-12-11 Semiconductor ceramic material

Publications (1)

Publication Number Publication Date
WO2008152976A1 true WO2008152976A1 (ja) 2008-12-18

Family

ID=40129581

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060424 WO2008152976A1 (ja) 2007-06-14 2008-06-06 半導体セラミック材料

Country Status (6)

Country Link
US (1) US8093170B2 (ja)
EP (1) EP2159207B1 (ja)
JP (1) JP5152182B2 (ja)
KR (1) KR101149634B1 (ja)
CN (1) CN101687714B (ja)
WO (1) WO2008152976A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010083737A (ja) * 2008-10-02 2010-04-15 Hitachi Metals Ltd 半導体磁器組成物
JP2012169515A (ja) * 2011-02-16 2012-09-06 Hitachi Metals Ltd Ptc素子および発熱モジュール
WO2012132954A1 (ja) * 2011-03-30 2012-10-04 株式会社村田製作所 半導体セラミック及び正特性サーミスタ
US8289125B2 (en) 2008-12-12 2012-10-16 Murata Manufacturing Co., Ltd. Semiconductor ceramic and positive temperature coefficient thermistor
US8350662B2 (en) 2008-12-12 2013-01-08 Murata Manufacturing Co., Ltd. Semiconductor ceramic and positive temperature coefficient thermistor
WO2014141814A1 (ja) * 2013-03-11 2014-09-18 Tdk株式会社 Ptcサーミスタ磁器組成物およびptcサーミスタ素子
JP2016050134A (ja) * 2014-08-29 2016-04-11 Tdk株式会社 圧電組成物および圧電素子

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2338859A4 (en) * 2008-09-30 2018-04-04 Murata Manufacturing Co. Ltd. Barium titanate-based semiconductor ceramic composition and ptc thermistor
CN102245536B (zh) * 2008-12-12 2013-07-31 株式会社村田制作所 半导体陶瓷以及正特性热敏电阻
WO2010067865A1 (ja) * 2008-12-12 2010-06-17 株式会社 村田製作所 半導体セラミック及び正特性サーミスタ
CN103403814B (zh) * 2011-02-24 2016-08-10 株式会社村田制作所 正特性热敏电阻元件
JP6337689B2 (ja) 2013-10-03 2018-06-06 Tdk株式会社 半導体磁器組成物およびptcサーミスタ
JP2017143090A (ja) * 2016-02-08 2017-08-17 Tdk株式会社 半導体磁器組成物およびptcサーミスタ
WO2019204430A1 (en) 2018-04-17 2019-10-24 Avx Corporation Varistor for high temperature applications
DE112019002421B4 (de) * 2018-07-05 2023-12-07 Murata Manufacturing Co., Ltd. Keramikbauglied und elektronikvorrichtung
KR20220059823A (ko) * 2020-11-03 2022-05-10 삼성전기주식회사 유전체 조성물 및 이를 포함하는 적층형 커패시터

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5595673A (en) * 1978-12-27 1980-07-21 Matsushita Electric Ind Co Ltd Semiconductive ceramic material and production thereof
JPS56169301A (en) 1980-06-02 1981-12-26 Tohoku Metal Ind Ltd Method of producing barium titanate semiconductor porcelain
JPH1070007A (ja) * 1996-08-28 1998-03-10 Matsushita Electric Ind Co Ltd 正特性サーミスタの製造方法
JP2005255493A (ja) 2004-03-12 2005-09-22 Neomax Co Ltd 半導体磁器組成物

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5932623B2 (ja) 1980-05-30 1984-08-09 フリ−工業株式会社 法面保護方法
JP2558489B2 (ja) * 1988-03-01 1996-11-27 株式会社クラベ 正特性半導体磁器
JPH02192456A (ja) 1989-01-21 1990-07-30 Chichibu Cement Co Ltd 半導体磁器
JPH06302402A (ja) 1993-04-14 1994-10-28 Komatsu Ltd 正特性サーミスタ
JPH08217536A (ja) * 1995-02-14 1996-08-27 Tdk Corp 正の抵抗温度係数を有する半導体磁器組成物及びその製造方法
CN1052804C (zh) * 1995-06-02 2000-05-24 上海大地通信电子有限公司 正温度系数陶瓷热敏电阻的制造方法
JPH09162004A (ja) * 1995-12-13 1997-06-20 Murata Mfg Co Ltd 正特性サーミスタ素子
JP4419889B2 (ja) * 2005-03-25 2010-02-24 Tdk株式会社 誘電体磁器組成物
WO2006106910A1 (ja) 2005-03-31 2006-10-12 Hitachi Metals, Ltd. 半導体磁器組成物の製造方法
JP4774511B2 (ja) 2005-06-24 2011-09-14 国立大学法人 奈良先端科学技術大学院大学 ジルコニア粉末、および該ジルコニア粉末を用いて得られるチタン酸バリウム系半導体磁器組成物の製造方法
IN2015DN01545A (ja) * 2005-08-11 2015-07-03 Hitachi Metals Ltd
CN101516802B (zh) 2006-09-28 2011-11-23 株式会社村田制作所 钛酸钡系半导体瓷组合物和使用其的ptc元件

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5595673A (en) * 1978-12-27 1980-07-21 Matsushita Electric Ind Co Ltd Semiconductive ceramic material and production thereof
JPS56169301A (en) 1980-06-02 1981-12-26 Tohoku Metal Ind Ltd Method of producing barium titanate semiconductor porcelain
JPH1070007A (ja) * 1996-08-28 1998-03-10 Matsushita Electric Ind Co Ltd 正特性サーミスタの製造方法
JP2005255493A (ja) 2004-03-12 2005-09-22 Neomax Co Ltd 半導体磁器組成物

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2159207A4

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010083737A (ja) * 2008-10-02 2010-04-15 Hitachi Metals Ltd 半導体磁器組成物
US8289125B2 (en) 2008-12-12 2012-10-16 Murata Manufacturing Co., Ltd. Semiconductor ceramic and positive temperature coefficient thermistor
US8350662B2 (en) 2008-12-12 2013-01-08 Murata Manufacturing Co., Ltd. Semiconductor ceramic and positive temperature coefficient thermistor
JP2012169515A (ja) * 2011-02-16 2012-09-06 Hitachi Metals Ltd Ptc素子および発熱モジュール
WO2012132954A1 (ja) * 2011-03-30 2012-10-04 株式会社村田製作所 半導体セラミック及び正特性サーミスタ
JP5812091B2 (ja) * 2011-03-30 2015-11-11 株式会社村田製作所 半導体セラミック及び正特性サーミスタ
WO2014141814A1 (ja) * 2013-03-11 2014-09-18 Tdk株式会社 Ptcサーミスタ磁器組成物およびptcサーミスタ素子
JP5930118B2 (ja) * 2013-03-11 2016-06-08 Tdk株式会社 Ptcサーミスタ磁器組成物およびptcサーミスタ素子
US9697935B2 (en) 2013-03-11 2017-07-04 Tdk Corporation PTC thermistor ceramic composition and PTC thermistor element
JP2016050134A (ja) * 2014-08-29 2016-04-11 Tdk株式会社 圧電組成物および圧電素子

Also Published As

Publication number Publication date
EP2159207B1 (en) 2016-11-16
KR101149634B1 (ko) 2012-05-25
US8093170B2 (en) 2012-01-10
JP5152182B2 (ja) 2013-02-27
EP2159207A1 (en) 2010-03-03
CN101687714A (zh) 2010-03-31
CN101687714B (zh) 2013-04-17
US20100084619A1 (en) 2010-04-08
EP2159207A4 (en) 2014-06-18
JPWO2008152976A1 (ja) 2010-08-26
KR20100009584A (ko) 2010-01-27

Similar Documents

Publication Publication Date Title
WO2008152976A1 (ja) 半導体セラミック材料
WO2008152851A1 (ja) 圧電磁器組成物、及び圧電セラミック電子部品
JP5099782B2 (ja) 正特性サーミスタ磁器組成物
JP6337689B2 (ja) 半導体磁器組成物およびptcサーミスタ
JP2011071389A5 (ja)
WO2009037922A1 (ja) 誘電体セラミック、及び積層セラミックコンデンサ
WO2008102608A1 (ja) 誘電体セラミック組成物及び積層セラミックコンデンサ
WO2006060191A3 (en) Lead-free ferroelectric/electrostrictive ceramic material
CA2519842A1 (en) Thermal barrier coating material
TW200705484A (en) Dielectric ceramic, and laminated ceramic capacitor
EP2918708A3 (en) Methods for controllable doping of aluminum nitride bulk crystals
EP1588437A4 (en) PIEZOELECTRIC ELEMENT
EP2045846A3 (en) Piezoelectric/electrostrictive ceramic composition and piezoelectric/electrostrictive device
WO2007023293A3 (en) Luminescent material compositions and structures incorporating the same
EP1514857A4 (en) METHOD FOR PRODUCING AN ALUMINUM TITANATE SINTERED BODY
WO2008123139A1 (ja) 抵抗記憶素子
EP1362831A3 (en) Ion conductor
CN105026336A (zh) Ptc热敏电阻陶瓷组合物以及ptc热敏电阻元件
CN105321641A (zh) 半导体陶瓷组合物和ptc 热敏电阻器
EP1835554A3 (en) Piezoelectric ceramic device and method of manufacturing the same
EP1679751A3 (en) Piezoelectric/electrostrictive porcelain composition, piezoelectric/electrostrictive device, and method of manufacturing a piezoelectric/electrostrictive device
WO2009025178A1 (ja) 半導体セラミック材料およびntcサーミスタ
EP2546216A4 (en) CERAMIC SINK TABLE, PRINTED CIRCUIT BOARD USING THE SAME, ELECTRONIC DEVICE AND THERMOELECTRIC CONVERSION MODULE
WO2007145668A3 (en) Polyvinylidene fluoride having an increased melting point
WO2006128698A3 (en) Capacitor

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880020249.1

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08765237

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2009519237

Country of ref document: JP

Kind code of ref document: A

REEP Request for entry into the european phase

Ref document number: 2008765237

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2008765237

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 20097026005

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 4314/KOLNP/2009

Country of ref document: IN

NENP Non-entry into the national phase

Ref country code: DE