DE69401474D1 - Thermistor mit positivem Temperaturkoeffizienten und Herstellungsverfahren - Google Patents
Thermistor mit positivem Temperaturkoeffizienten und HerstellungsverfahrenInfo
- Publication number
- DE69401474D1 DE69401474D1 DE69401474T DE69401474T DE69401474D1 DE 69401474 D1 DE69401474 D1 DE 69401474D1 DE 69401474 T DE69401474 T DE 69401474T DE 69401474 T DE69401474 T DE 69401474T DE 69401474 D1 DE69401474 D1 DE 69401474D1
- Authority
- DE
- Germany
- Prior art keywords
- thermistor
- manufacturing process
- temperature coefficient
- positive temperature
- positive
- 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 - Fee Related
Links
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- 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
- C04B35/01—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
- C04B35/4684—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 containing lead compounds
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- C04B35/472—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 lead titanates
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- C04B35/622—Forming processes; 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
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Thermistors And Varistors (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP05221092A JP3141642B2 (ja) | 1993-09-06 | 1993-09-06 | 正特性サーミスタの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69401474D1 true DE69401474D1 (de) | 1997-02-27 |
DE69401474T2 DE69401474T2 (de) | 1997-04-30 |
Family
ID=16761370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69401474T Expired - Fee Related DE69401474T2 (de) | 1993-09-06 | 1994-07-20 | Thermistor mit positivem Temperaturkoeffizienten und Herstellungsverfahren |
Country Status (6)
Country | Link |
---|---|
US (1) | US5815063A (de) |
EP (1) | EP0642140B1 (de) |
JP (1) | JP3141642B2 (de) |
CN (1) | CN1040708C (de) |
DE (1) | DE69401474T2 (de) |
TW (1) | TW270208B (de) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3319314B2 (ja) * | 1996-11-20 | 2002-08-26 | 株式会社村田製作所 | チタン酸バリウム系半導体磁器組成物 |
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 |
BR9900253A (pt) | 1999-02-02 | 2000-08-29 | Companhia Brasileira Carbureto | Recipiente de alumìnio e aço inoxidável a formação de eletrodos de autocozimento para a utilização em baixos-fornos elétricos de redução |
BR9900252A (pt) | 1999-02-02 | 2000-08-29 | Companhia Brasileira Carbureto | Recipiente de aço inoxidável para a formação de eletrodos de autocozimento para a utilização em baixos-fornos elétricos de redução |
JP3506044B2 (ja) * | 1999-04-28 | 2004-03-15 | 株式会社村田製作所 | 半導体セラミック、半導体セラミック素子、および回路保護素子 |
JP2002057003A (ja) | 2000-08-10 | 2002-02-22 | Nippon Soken Inc | 耐還元性サーミスタ素子とその製造方法および温度センサ |
JP2002124403A (ja) * | 2000-08-10 | 2002-04-26 | Nippon Soken Inc | 耐還元性サーミスタ素子とその製造方法および温度センサ |
AU2002223863A1 (en) * | 2000-11-21 | 2002-06-03 | Bdsb Holdings Limited | A method of producing electrically resistive heating elements having self-regulating properties |
JP3636075B2 (ja) * | 2001-01-18 | 2005-04-06 | 株式会社村田製作所 | 積層ptcサーミスタ |
EP1438731A1 (de) | 2001-10-12 | 2004-07-21 | Koninklijke Philips Electronics N.V. | Kathodenstrahlröhre |
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 |
JP3831363B2 (ja) * | 2003-06-24 | 2006-10-11 | Tdk株式会社 | 有機質正特性サーミスタ及びその製造方法並びにその酸素含有量の測定方法 |
WO2006035593A1 (ja) * | 2004-09-27 | 2006-04-06 | Toho Titanium Co., Ltd. | チタン酸バリウム系半導体磁器組成物 |
CN101127265B (zh) * | 2007-07-30 | 2011-04-20 | 韩城市华龙电子有限责任公司 | 负居里点正温度系数ptcr热敏电阻元件 |
US20090146042A1 (en) * | 2007-12-05 | 2009-06-11 | Jan Ihle | Mold comprising a ptc-ceramic |
US9034210B2 (en) | 2007-12-05 | 2015-05-19 | Epcos Ag | Feedstock and method for preparing the feedstock |
CN101429020B (zh) * | 2008-11-26 | 2011-11-23 | 丹东国通电子元件有限公司 | 浪涌抑制器用正温度系数热敏电阻生产方法 |
EP2400605A1 (de) * | 2009-04-23 | 2011-12-28 | Panasonic Corporation | Überspannungsschutzelement |
CN102329131A (zh) * | 2011-06-10 | 2012-01-25 | 溧阳杰敏电子有限公司 | 一种低频率效应的陶瓷型正温度系数热敏电阻 |
CN104311004B (zh) * | 2014-10-20 | 2017-01-25 | 中国科学院上海硅酸盐研究所 | Ptc陶瓷材料及提高ptc陶瓷材料居里点以下电阻温度稳定性的方法 |
CN108727055A (zh) * | 2018-06-27 | 2018-11-02 | 佛山市南海蜂窝电子制品有限公司 | 一种ptc蜂窝陶瓷加热元件及其制备方法 |
CN112110727B (zh) * | 2020-09-22 | 2022-03-11 | 中国科学院新疆理化技术研究所 | 一种氟化物掺杂的高温负温度系数热敏电阻材料及制备方法 |
CN115108827B (zh) * | 2021-03-17 | 2023-07-04 | 华中科技大学 | 一种正温度系数热敏电阻及其制备方法 |
CN113265636A (zh) * | 2021-05-27 | 2021-08-17 | 江苏新林芝电子科技股份有限公司 | 一种提高陶瓷ptc热敏元件的抗还原性的方法 |
CN114496432A (zh) * | 2022-03-10 | 2022-05-13 | 江苏新林芝电子科技股份有限公司 | 一种提高ptc热敏元件抗还原性能的方法 |
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US4014822A (en) * | 1968-08-13 | 1977-03-29 | Murata Manufacturing Co., Ltd. | Semiconductor ceramic composition |
JPS5326677B2 (de) * | 1973-09-24 | 1978-08-03 | ||
US3975307A (en) * | 1974-10-09 | 1976-08-17 | Matsushita Electric Industrial Co., Ltd. | PTC thermistor composition and method of making the same |
US4175060A (en) * | 1977-11-25 | 1979-11-20 | Bell Telephone Laboratories, Incorporated | Composition and processing procedure for making thermistors |
US4403236A (en) * | 1979-10-09 | 1983-09-06 | Murata Manufacturing Co., Ltd. | Boundary layer type semiconducting ceramic capacitors with high capacitance |
JPS57157502A (en) * | 1981-03-24 | 1982-09-29 | Murata Manufacturing Co | Barium titanate series porcelain composition |
JPS5853539A (ja) * | 1981-09-23 | 1983-03-30 | Nippon Denso Co Ltd | 自動車用電気式温蔵庫 |
JPH0719645B2 (ja) * | 1984-09-07 | 1995-03-06 | 日本電装株式会社 | 自己温度制御型発熱装置 |
AU572013B2 (en) * | 1984-12-26 | 1988-04-28 | Nippondenso Co. Ltd. | Anti-reducing semi conducting porcelain with a positive temperature coefficient of resistance |
US4766409A (en) * | 1985-11-25 | 1988-08-23 | Murata Manufacturing Co., Ltd. | Thermistor having a positive temperature coefficient of resistance |
US4952902A (en) * | 1987-03-17 | 1990-08-28 | Tdk Corporation | Thermistor materials and elements |
DE69009628T2 (de) * | 1989-08-31 | 1994-10-13 | Central Glass Co Ltd | Pulverzusammensetzung zum Sintern in eine modifizierte Bariumtitanat halbleitende Keramik. |
US5219811A (en) * | 1989-08-31 | 1993-06-15 | Central Glass Company, Limited | Powder composition for sintering into modified barium titanate semiconductive ceramic |
US5238911A (en) * | 1990-04-04 | 1993-08-24 | Hitachi Chemical Company Ltd. | Oxide superconductor Bi--Sr--Ca--Mg--Ba--Cu--O |
US5262370A (en) * | 1992-04-07 | 1993-11-16 | Trans-Tech, Inc. | Dielectric ceramic compositions |
-
1993
- 1993-09-06 JP JP05221092A patent/JP3141642B2/ja not_active Expired - Fee Related
- 1993-11-25 CN CN93120373A patent/CN1040708C/zh not_active Expired - Fee Related
-
1994
- 1994-01-21 TW TW083100514A patent/TW270208B/zh active
- 1994-07-20 DE DE69401474T patent/DE69401474T2/de not_active Expired - Fee Related
- 1994-07-20 EP EP94111332A patent/EP0642140B1/de not_active Expired - Lifetime
-
1996
- 1996-10-10 US US08/729,071 patent/US5815063A/en not_active Expired - Fee Related
Also Published As
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TW270208B (de) | 1996-02-11 |
US5815063A (en) | 1998-09-29 |
CN1040708C (zh) | 1998-11-11 |
EP0642140A1 (de) | 1995-03-08 |
DE69401474T2 (de) | 1997-04-30 |
JPH0778703A (ja) | 1995-03-20 |
JP3141642B2 (ja) | 2001-03-05 |
EP0642140B1 (de) | 1997-01-15 |
CN1113026A (zh) | 1995-12-06 |
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