IT1019360B - Composizione a rase di ossido di titanio e di bario e metodo per produrre termistori con essa - Google Patents
Composizione a rase di ossido di titanio e di bario e metodo per produrre termistori con essaInfo
- Publication number
- IT1019360B IT1019360B IT53148/74A IT5314874A IT1019360B IT 1019360 B IT1019360 B IT 1019360B IT 53148/74 A IT53148/74 A IT 53148/74A IT 5314874 A IT5314874 A IT 5314874A IT 1019360 B IT1019360 B IT 1019360B
- Authority
- IT
- Italy
- Prior art keywords
- composition
- oxide
- titanium oxide
- thermistors
- producing
- Prior art date
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title 1
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 title 1
- CSSYLTMKCUORDA-UHFFFAOYSA-N barium(2+);oxygen(2-) Chemical compound [O-2].[Ba+2] CSSYLTMKCUORDA-UHFFFAOYSA-N 0.000 title 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 title 1
Classifications
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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
- C04B35/622—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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- 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
- 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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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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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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- C04B2235/3418—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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- C04B2235/78—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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- 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)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Electromagnetism (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10739373A JPS5326677B2 (it) | 1973-09-24 | 1973-09-24 |
Publications (1)
Publication Number | Publication Date |
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IT1019360B true IT1019360B (it) | 1977-11-10 |
Family
ID=14457984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT53148/74A IT1019360B (it) | 1973-09-24 | 1974-09-23 | Composizione a rase di ossido di titanio e di bario e metodo per produrre termistori con essa |
Country Status (7)
Country | Link |
---|---|
US (1) | US3962146A (it) |
JP (1) | JPS5326677B2 (it) |
DE (1) | DE2445363C3 (it) |
FR (1) | FR2244726B1 (it) |
GB (1) | GB1487345A (it) |
IT (1) | IT1019360B (it) |
NL (1) | NL7412609A (it) |
Families Citing this family (12)
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 |
KR101118320B1 (ko) | 2005-08-11 | 2012-03-09 | 히타치 긴조쿠 가부시키가이샤 | 반도체 자기 조성물 |
EP2078707A4 (en) | 2006-11-01 | 2011-05-18 | Hitachi Metals Ltd | SEMICONDUCTOR CERAMIC COMPOSITION AND MANUFACTURING METHOD THEREFOR |
CA2717350A1 (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 |
CN116621579B (zh) * | 2023-05-24 | 2024-08-23 | 中国科学院新疆理化技术研究所 | 适用于宽温区测温的高精度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 (it) * | 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 |
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1973
- 1973-09-24 JP JP10739373A patent/JPS5326677B2/ja not_active Expired
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1974
- 1974-09-18 US US05/506,963 patent/US3962146A/en not_active Expired - Lifetime
- 1974-09-23 IT IT53148/74A patent/IT1019360B/it active
- 1974-09-23 DE DE2445363A patent/DE2445363C3/de not_active Expired
- 1974-09-23 FR FR7432023A patent/FR2244726B1/fr not_active Expired
- 1974-09-24 GB GB41489/74A patent/GB1487345A/en not_active Expired
- 1974-09-24 NL NL7412609A patent/NL7412609A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US3962146A (en) | 1976-06-08 |
DE2445363B2 (de) | 1978-08-17 |
FR2244726B1 (it) | 1978-06-09 |
NL7412609A (nl) | 1975-03-26 |
DE2445363C3 (de) | 1979-04-19 |
FR2244726A1 (it) | 1975-04-18 |
DE2445363A1 (de) | 1975-08-14 |
GB1487345A (en) | 1977-09-28 |
JPS5326677B2 (it) | 1978-08-03 |
JPS5058106A (it) | 1975-05-20 |
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