NL7412609A - Ptc thermistorsamenstelling alsmede werkwijze voor het bereiden daarvan. - Google Patents
Ptc thermistorsamenstelling alsmede werkwijze voor het bereiden daarvan.Info
- Publication number
- NL7412609A NL7412609A NL7412609A NL7412609A NL7412609A NL 7412609 A NL7412609 A NL 7412609A NL 7412609 A NL7412609 A NL 7412609A NL 7412609 A NL7412609 A NL 7412609A NL 7412609 A NL7412609 A NL 7412609A
- Authority
- NL
- Netherlands
- Prior art keywords
- preparing
- ptc thermistor
- thermistor composition
- composition
- ptc
- Prior art date
Links
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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
- C04B35/622—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
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
- C04B35/62675—Thermal treatment of powders or mixtures thereof other than sintering characterised by the treatment temperature
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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
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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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- 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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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3213—Strontium oxides or oxide-forming salts thereof
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- 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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- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
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- C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
- C04B2235/3268—Manganates, manganites, rhenates or rhenites, e.g. lithium manganite, barium manganate, rhenium oxide
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3293—Tin oxides, stannates or oxide forming salts thereof, e.g. indium tin oxide [ITO]
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- 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
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- C04B2235/6565—Cooling rate
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- C04B2235/6567—Treatment time
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- 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
- C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
- C04B2235/786—Micrometer sized grains, i.e. from 1 to 100 micron
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10739373A JPS5326677B2 (nl) | 1973-09-24 | 1973-09-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7412609A true NL7412609A (nl) | 1975-03-26 |
Family
ID=14457984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7412609A NL7412609A (nl) | 1973-09-24 | 1974-09-24 | Ptc thermistorsamenstelling alsmede werkwijze voor het bereiden daarvan. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3962146A (nl) |
JP (1) | JPS5326677B2 (nl) |
DE (1) | DE2445363C3 (nl) |
FR (1) | FR2244726B1 (nl) |
GB (1) | GB1487345A (nl) |
IT (1) | IT1019360B (nl) |
NL (1) | NL7412609A (nl) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59125B2 (ja) * | 1978-10-20 | 1984-01-05 | ティーディーケイ株式会社 | 非直線性誘電体素子 |
US4895812A (en) * | 1988-12-14 | 1990-01-23 | Gte Laboratories Incorporated | Method of making ohmic contact to ferroelectric semiconductors |
US5316973A (en) * | 1991-04-30 | 1994-05-31 | Gte Control Devices Incorporated | Method of making semiconducting ferroelectric PTCR devices |
JP3141642B2 (ja) * | 1993-09-06 | 2001-03-05 | 松下電器産業株式会社 | 正特性サーミスタの製造方法 |
DE19641727A1 (de) * | 1996-10-10 | 1998-04-16 | Abb Research Ltd | Kaltleiter |
DE19818375A1 (de) * | 1998-04-24 | 1999-11-04 | Dornier Gmbh | PTCR-Widerstand |
WO2006118274A1 (ja) * | 2005-04-28 | 2006-11-09 | Hitachi Metals, Ltd. | 半導体磁器組成物とその製造方法 |
EP1921052B8 (en) * | 2005-08-11 | 2016-07-27 | Hitachi Metals, Ltd. | Semiconductor ceramic composition |
US7993547B2 (en) | 2006-11-01 | 2011-08-09 | Hitachi Metals, Ltd. | Semiconductor ceramic composition and process for producing the same |
WO2009126199A2 (en) * | 2008-03-11 | 2009-10-15 | Carnegie Institution Of Washington | New class of pure piezoeletric materials |
CN111533552B (zh) * | 2020-05-12 | 2021-02-23 | 中南大学 | 一种TiO2基NTC热敏电阻材料及其制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL231805A (nl) * | 1957-10-03 | |||
US3373120A (en) * | 1965-12-02 | 1968-03-12 | Matsushita Electric Ind Co Ltd | Semiconductive ceramic compositions with positive temperature coefficient of resistance |
US3586642A (en) * | 1968-05-29 | 1971-06-22 | Matsushita Electric Ind Co Ltd | Ptc thermistor of bati03,and other oxides |
US3673119A (en) * | 1968-10-11 | 1972-06-27 | Tdk Electronics Co Ltd | Semiconducting ceramic compositions |
-
1973
- 1973-09-24 JP JP10739373A patent/JPS5326677B2/ja not_active Expired
-
1974
- 1974-09-18 US US05/506,963 patent/US3962146A/en not_active Expired - Lifetime
- 1974-09-23 DE DE2445363A patent/DE2445363C3/de not_active Expired
- 1974-09-23 IT IT53148/74A patent/IT1019360B/it active
- 1974-09-23 FR FR7432023A patent/FR2244726B1/fr not_active Expired
- 1974-09-24 NL NL7412609A patent/NL7412609A/nl not_active Application Discontinuation
- 1974-09-24 GB GB41489/74A patent/GB1487345A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3962146A (en) | 1976-06-08 |
DE2445363C3 (de) | 1979-04-19 |
DE2445363A1 (de) | 1975-08-14 |
FR2244726A1 (nl) | 1975-04-18 |
IT1019360B (it) | 1977-11-10 |
GB1487345A (en) | 1977-09-28 |
JPS5326677B2 (nl) | 1978-08-03 |
DE2445363B2 (de) | 1978-08-17 |
FR2244726B1 (nl) | 1978-06-09 |
JPS5058106A (nl) | 1975-05-20 |
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