WO2008123078A1 - 積層正特性サーミスタ - Google Patents
積層正特性サーミスタ Download PDFInfo
- Publication number
- WO2008123078A1 WO2008123078A1 PCT/JP2008/054997 JP2008054997W WO2008123078A1 WO 2008123078 A1 WO2008123078 A1 WO 2008123078A1 JP 2008054997 W JP2008054997 W JP 2008054997W WO 2008123078 A1 WO2008123078 A1 WO 2008123078A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- layers
- agent
- semiconductor ceramic
- protection layer
- Prior art date
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
-
- 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
- H01C7/021—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 formed as one or more layers or coatings
-
- 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
- H01C7/18—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 comprising a plurality of layers stacked between terminals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6025—Tape casting, e.g. with a doctor blade
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/652—Reduction treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6582—Hydrogen containing atmosphere
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
- C04B2235/662—Annealing after sintering
- C04B2235/663—Oxidative annealing
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/79—Non-stoichiometric products, e.g. perovskites (ABO3) with an A/B-ratio other than 1
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/34—Oxidic
- C04B2237/345—Refractory metal oxides
- C04B2237/346—Titania or titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/58—Forming a gradient in composition or in properties across the laminate or the joined articles
- C04B2237/586—Forming a gradient in composition or in properties across the laminate or the joined articles by joining layers or articles of the same composition but having different densities
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Thermistors And Varistors (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112008000744.6T DE112008000744B4 (de) | 2007-03-19 | 2008-03-18 | Mehrschichtiger Thermistor mit positivem Temperaturkoeffizienten |
CN2008800086202A CN101636798B (zh) | 2007-03-19 | 2008-03-18 | 层叠正温度系数热敏电阻 |
JP2009509037A JP4936087B2 (ja) | 2007-03-19 | 2008-03-18 | 積層正特性サーミスタ |
US12/562,969 US7830240B2 (en) | 2007-03-19 | 2009-09-18 | Multilayer positive temperature coefficient thermistor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007070206 | 2007-03-19 | ||
JP2007-070206 | 2007-03-19 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/562,969 Continuation US7830240B2 (en) | 2007-03-19 | 2009-09-18 | Multilayer positive temperature coefficient thermistor |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008123078A1 true WO2008123078A1 (ja) | 2008-10-16 |
Family
ID=39830580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/054997 WO2008123078A1 (ja) | 2007-03-19 | 2008-03-18 | 積層正特性サーミスタ |
Country Status (6)
Country | Link |
---|---|
US (1) | US7830240B2 (ja) |
JP (1) | JP4936087B2 (ja) |
CN (1) | CN101636798B (ja) |
DE (1) | DE112008000744B4 (ja) |
TW (1) | TW200903527A (ja) |
WO (1) | WO2008123078A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009021544A (ja) * | 2007-06-12 | 2009-01-29 | Tdk Corp | 積層型ptcサーミスタ及びその製造方法 |
US7944337B2 (en) | 2007-06-12 | 2011-05-17 | Tdk Corporation | Stacked PTC thermistor and process for its production |
JP2012059786A (ja) * | 2010-09-06 | 2012-03-22 | Tdk Corp | セラミック積層ptcサーミスタ |
JP2015012052A (ja) * | 2013-06-27 | 2015-01-19 | 株式会社村田製作所 | セラミックサーミスタ |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013065441A1 (ja) * | 2011-11-01 | 2013-05-10 | 株式会社村田製作所 | Ptcサーミスタおよびptcサーミスタの製造方法 |
JP6107062B2 (ja) * | 2012-11-06 | 2017-04-05 | Tdk株式会社 | チップサーミスタ |
DE112013005441B4 (de) | 2012-11-15 | 2022-01-05 | Murata Manufacturing Co., Ltd. | Thermistor mit positivem Temperaturkoeffizienten und Herstellungsverfahren für denselben |
CN104529434B (zh) * | 2014-12-19 | 2016-10-05 | 深圳顺络电子股份有限公司 | 一种片式陶瓷ptc热敏电阻表面保护层的制备方法 |
CN110024498B (zh) * | 2016-12-08 | 2021-12-31 | 株式会社村田制作所 | 多层陶瓷基板以及电子装置 |
PL3558671T3 (pl) * | 2016-12-23 | 2023-12-27 | Ivoclar Vivadent Ag | Zastosowanie wielowarstwowego korpusu z ceramiki tlenkowej o dostosowanym zachowaniu przy spiekaniu |
US10790075B2 (en) | 2018-04-17 | 2020-09-29 | Avx Corporation | Varistor for high temperature applications |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01293502A (ja) * | 1988-05-20 | 1989-11-27 | Murata Mfg Co Ltd | 正特性サーミスタ |
JPH0529104A (ja) * | 1991-07-19 | 1993-02-05 | Murata Mfg Co Ltd | Ptcサーミスタ |
JPH05315106A (ja) * | 1992-05-07 | 1993-11-26 | Sekisui Plastics Co Ltd | チタン酸バリウム系セラミックス半導体およびその製造方法 |
JP2000095562A (ja) * | 1998-07-24 | 2000-04-04 | Murata Mfg Co Ltd | 正特性サ―ミスタ用原料組成物、正特性サ―ミスタ用磁器、および正特性サ―ミスタ用磁器の製造方法 |
JP2001328862A (ja) * | 2000-05-17 | 2001-11-27 | Ube Ind Ltd | チタン酸バリウム鉛系半導体磁器組成物 |
JP2002217004A (ja) * | 2001-01-18 | 2002-08-02 | Murata Mfg Co Ltd | セラミック電子部品 |
JP2005093574A (ja) * | 2003-09-16 | 2005-04-07 | Murata Mfg Co Ltd | 積層型正特性サーミスタおよびその製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06302403A (ja) | 1993-04-16 | 1994-10-28 | Murata Mfg Co Ltd | 積層型半導体セラミック素子 |
JP2000082603A (ja) * | 1998-07-08 | 2000-03-21 | Murata Mfg Co Ltd | チップ型サ―ミスタおよびその製造方法 |
JP4108836B2 (ja) * | 1998-07-15 | 2008-06-25 | Tdk株式会社 | 誘電体磁器組成物 |
JP3460683B2 (ja) | 2000-07-21 | 2003-10-27 | 株式会社村田製作所 | チップ型電子部品及びその製造方法 |
JP4211510B2 (ja) | 2002-08-13 | 2009-01-21 | 株式会社村田製作所 | 積層型ptcサーミスタの製造方法 |
JP4135651B2 (ja) * | 2003-03-26 | 2008-08-20 | 株式会社村田製作所 | 積層型正特性サーミスタ |
JP4710096B2 (ja) | 2005-09-20 | 2011-06-29 | 株式会社村田製作所 | 積層型正特性サーミスタ |
WO2007034831A1 (ja) | 2005-09-20 | 2007-03-29 | Murata Manufacturing Co., Ltd. | 積層型正特性サーミスタ |
-
2008
- 2008-03-13 TW TW097108920A patent/TW200903527A/zh unknown
- 2008-03-18 CN CN2008800086202A patent/CN101636798B/zh active Active
- 2008-03-18 JP JP2009509037A patent/JP4936087B2/ja active Active
- 2008-03-18 WO PCT/JP2008/054997 patent/WO2008123078A1/ja active Application Filing
- 2008-03-18 DE DE112008000744.6T patent/DE112008000744B4/de active Active
-
2009
- 2009-09-18 US US12/562,969 patent/US7830240B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01293502A (ja) * | 1988-05-20 | 1989-11-27 | Murata Mfg Co Ltd | 正特性サーミスタ |
JPH0529104A (ja) * | 1991-07-19 | 1993-02-05 | Murata Mfg Co Ltd | Ptcサーミスタ |
JPH05315106A (ja) * | 1992-05-07 | 1993-11-26 | Sekisui Plastics Co Ltd | チタン酸バリウム系セラミックス半導体およびその製造方法 |
JP2000095562A (ja) * | 1998-07-24 | 2000-04-04 | Murata Mfg Co Ltd | 正特性サ―ミスタ用原料組成物、正特性サ―ミスタ用磁器、および正特性サ―ミスタ用磁器の製造方法 |
JP2001328862A (ja) * | 2000-05-17 | 2001-11-27 | Ube Ind Ltd | チタン酸バリウム鉛系半導体磁器組成物 |
JP2002217004A (ja) * | 2001-01-18 | 2002-08-02 | Murata Mfg Co Ltd | セラミック電子部品 |
JP2005093574A (ja) * | 2003-09-16 | 2005-04-07 | Murata Mfg Co Ltd | 積層型正特性サーミスタおよびその製造方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009021544A (ja) * | 2007-06-12 | 2009-01-29 | Tdk Corp | 積層型ptcサーミスタ及びその製造方法 |
US7944337B2 (en) | 2007-06-12 | 2011-05-17 | Tdk Corporation | Stacked PTC thermistor and process for its production |
KR101444678B1 (ko) | 2007-06-12 | 2014-09-26 | 티디케이가부시기가이샤 | 적층형 ptc 서미스터 및 이의 제조방법 |
JP2012059786A (ja) * | 2010-09-06 | 2012-03-22 | Tdk Corp | セラミック積層ptcサーミスタ |
US8339237B2 (en) | 2010-09-06 | 2012-12-25 | Tdk Corporation | Multilayer PTC thermistor |
JP2015012052A (ja) * | 2013-06-27 | 2015-01-19 | 株式会社村田製作所 | セラミックサーミスタ |
Also Published As
Publication number | Publication date |
---|---|
DE112008000744B4 (de) | 2014-06-05 |
DE112008000744T5 (de) | 2010-02-04 |
US7830240B2 (en) | 2010-11-09 |
JPWO2008123078A1 (ja) | 2010-07-15 |
JP4936087B2 (ja) | 2012-05-23 |
CN101636798A (zh) | 2010-01-27 |
TW200903527A (en) | 2009-01-16 |
CN101636798B (zh) | 2011-07-20 |
TWI350547B (ja) | 2011-10-11 |
US20100001828A1 (en) | 2010-01-07 |
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