GB714965A - Improvements in or relating to semi-conductive material - Google Patents
Improvements in or relating to semi-conductive materialInfo
- Publication number
- GB714965A GB714965A GB12720/52A GB1272052A GB714965A GB 714965 A GB714965 A GB 714965A GB 12720/52 A GB12720/52 A GB 12720/52A GB 1272052 A GB1272052 A GB 1272052A GB 714965 A GB714965 A GB 714965A
- Authority
- GB
- United Kingdom
- Prior art keywords
- temperature
- sintering
- per cent
- barium titanate
- barium
- 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
Links
- 239000004020 conductor Substances 0.000 title abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 8
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 abstract 6
- 229910002113 barium titanate Inorganic materials 0.000 abstract 6
- 238000005245 sintering Methods 0.000 abstract 6
- 239000000203 mixture Substances 0.000 abstract 5
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 abstract 4
- 239000004408 titanium dioxide Substances 0.000 abstract 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 2
- 229910052787 antimony Inorganic materials 0.000 abstract 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 2
- 229910052788 barium Inorganic materials 0.000 abstract 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 2
- 229910052797 bismuth Inorganic materials 0.000 abstract 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 abstract 2
- 229910052791 calcium Inorganic materials 0.000 abstract 2
- 239000011575 calcium Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 229910052732 germanium Inorganic materials 0.000 abstract 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 238000000465 moulding Methods 0.000 abstract 2
- 229910052760 oxygen Inorganic materials 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 2
- 150000002910 rare earth metals Chemical class 0.000 abstract 2
- 229910052710 silicon Inorganic materials 0.000 abstract 2
- 239000010703 silicon Substances 0.000 abstract 2
- 229910052712 strontium Inorganic materials 0.000 abstract 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- 239000010936 titanium Substances 0.000 abstract 2
- 229910052719 titanium Inorganic materials 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- 229910052727 yttrium Inorganic materials 0.000 abstract 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 abstract 2
- 230000001419 dependent effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL319001X | 1951-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB714965A true GB714965A (en) | 1954-09-08 |
Family
ID=19783910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB12720/52A Expired GB714965A (en) | 1951-05-23 | 1952-05-20 | Improvements in or relating to semi-conductive material |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE511613A (enrdf_load_stackoverflow) |
| CH (1) | CH319001A (enrdf_load_stackoverflow) |
| DE (1) | DE929350C (enrdf_load_stackoverflow) |
| FR (1) | FR1066126A (enrdf_load_stackoverflow) |
| GB (1) | GB714965A (enrdf_load_stackoverflow) |
| NL (1) | NL84015C (enrdf_load_stackoverflow) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2976505A (en) * | 1958-02-24 | 1961-03-21 | Westinghouse Electric Corp | Thermistors |
| US2981699A (en) * | 1959-12-28 | 1961-04-25 | Westinghouse Electric Corp | Positive temperature coefficient thermistor materials |
| US3044968A (en) * | 1958-05-13 | 1962-07-17 | Westinghouse Electric Corp | Positive temperature coefficient thermistor materials |
| US3116262A (en) * | 1961-05-19 | 1963-12-31 | Gen Electric | Ceramic composition |
| DE1182131B (de) * | 1962-05-09 | 1964-11-19 | Matsushita Electric Ind Co Ltd | Ferroelektrischer keramischer Halbleiter |
| US3211595A (en) * | 1959-11-02 | 1965-10-12 | Hughes Aircraft Co | P-type alloy bonding of semiconductors using a boron-gold alloy |
| US3231522A (en) * | 1963-09-26 | 1966-01-25 | American Radiator & Standard | Thermistor |
| US3277020A (en) * | 1963-12-19 | 1966-10-04 | Int Resistance Co | Glass composition and electrical resistance material made therefrom |
| US3292062A (en) * | 1964-06-01 | 1966-12-13 | Bell Telephone Labor Inc | Method for preparing stabilized barium titanate, and capacitor |
| US3299332A (en) * | 1961-07-10 | 1967-01-17 | Murata Manufacturing Co | Semiconductive capacitor and the method of manufacturing the same |
| US3351568A (en) * | 1964-04-13 | 1967-11-07 | Texas Instruments Inc | Production of solid state ptc sensors |
| US3359133A (en) * | 1964-04-06 | 1967-12-19 | American Lava Corp | Ceramic dielectrics |
| US3373120A (en) * | 1965-12-02 | 1968-03-12 | Matsushita Electric Ind Co Ltd | Semiconductive ceramic compositions with positive temperature coefficient of resistance |
| US3426250A (en) * | 1966-08-01 | 1969-02-04 | Sprague Electric Co | Controlled reduction and reoxidation of batio3 capacitors and resulting capacitor |
| US3458363A (en) * | 1962-09-11 | 1969-07-29 | Teledyne Inc | Thermoelectric device comprising an oxide base thermoelectric element |
| US3637532A (en) * | 1964-09-17 | 1972-01-25 | Siemens Ag | Sintered cold-conductor resistor body and method for its production |
| DE2349485A1 (de) * | 1972-10-10 | 1974-04-25 | Texas Instruments Inc | Heizvorrichtung |
| JPS50124190A (enrdf_load_stackoverflow) * | 1974-03-20 | 1975-09-30 | ||
| JPS5138090A (enrdf_load_stackoverflow) * | 1974-09-25 | 1976-03-30 | Murata Manufacturing Co | |
| JPS5220291A (en) * | 1975-08-08 | 1977-02-16 | Tdk Corp | Semiconductor porcelain composition |
| US4245146A (en) * | 1977-03-07 | 1981-01-13 | Tdk Electronics Company Limited | Heating element made of PTC ceramic material |
| EP2067755A4 (en) * | 2006-09-28 | 2016-02-10 | Murata Manufacturing Co | BARIUM TITANATE SEMICONDUCTOR PORCELAIN COMPOSITION AND PTC DEVICE USING THE SAME |
| US9363851B2 (en) | 2008-08-07 | 2016-06-07 | Epcos Ag | Heating device and method for manufacturing the heating device |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1147699B (de) * | 1955-06-15 | 1963-04-25 | Dr Carl Schusterius | Heizelement fuer Waermegeraete |
| DE1140628B (de) * | 1957-07-15 | 1962-12-06 | Siemens Ag | Halbleiterwiderstand mit positivem Temperaturkoeffizienten und Verfahren zu seiner Herstellung |
| DE1415406B1 (de) * | 1958-04-30 | 1970-08-20 | Siemens Ag | Keramischer Widerstand mit hohem positiven Temperaturkoeffizienten seines Gesamtwiderstandswertes |
| DE1286242B (de) * | 1958-07-22 | 1969-01-02 | Siemens Ag | Elektrisch beheiztes Geraet, das zur selbsttaetigen Temperaturregelung mit einem elektrischen Widerstandselement mit positivem Temperaturkoeffizienten versehen ist |
| GB884943A (en) * | 1959-04-24 | 1961-12-20 | Standard Telephones Cables Ltd | Electrical circuit elements |
| DE1239416B (de) * | 1960-04-26 | 1967-04-27 | Siemens Electrogeraete Ges Mit | Elektrischer Durchlauferhitzer mit Heizwiderstand aus Keramik |
| DE1149648B (de) * | 1961-06-16 | 1963-05-30 | Bosch Gmbh Robert | Impulsgeber fuer elektrische Signalanlagen, wie Blinklichtanlagen, insbesondere zur Fahrtrichtungsanzeige von Kraftfahrzeugen |
| DE1288686B (de) * | 1964-01-31 | 1969-02-06 | Int Standard Electric Corp | Verfahren zur Erstellung eines keramischen Kondensators |
| US3444101A (en) * | 1964-08-19 | 1969-05-13 | Telefunken Patent | Barium titanate compositions containing cerium and bismuth |
| CH581377A5 (enrdf_load_stackoverflow) * | 1975-02-11 | 1976-10-29 | Bbc Brown Boveri & Cie | |
| DE3917570A1 (de) * | 1989-05-30 | 1990-12-06 | Siemens Ag | Elektrisches keramisches bauelement, insbesondere kaltleiter, mit hoher elektrischer ueberschlagsfestigkeit im elektrodenfreien bereich und verfahren zu seiner herstellung |
| US5837164A (en) * | 1996-10-08 | 1998-11-17 | Therm-O-Disc, Incorporated | High temperature PTC device comprising a conductive polymer composition |
| US5985182A (en) * | 1996-10-08 | 1999-11-16 | Therm-O-Disc, Incorporated | High temperature PTC device and conductive polymer composition |
| US6074576A (en) * | 1998-03-24 | 2000-06-13 | Therm-O-Disc, Incorporated | Conductive polymer materials for high voltage PTC devices |
| DE102008036836A1 (de) | 2008-08-07 | 2010-02-11 | Epcos Ag | Formkörper, Heizungsvorrichtung und Verfahren zur Herstellung eines Formkörpers |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB579868A (en) * | 1944-03-15 | 1946-08-19 | Taylor Tunnicliff And Company | An improved dielectric composition |
| GB625516A (en) * | 1947-08-06 | 1949-06-29 | Jack Woodcock | Improvements in or relating to ceramic dielectrics comprising essentially titania |
-
0
- NL NL84015D patent/NL84015C/xx active
- BE BE511613D patent/BE511613A/xx unknown
-
1952
- 1952-05-20 GB GB12720/52A patent/GB714965A/en not_active Expired
- 1952-05-21 FR FR1066126D patent/FR1066126A/fr not_active Expired
- 1952-05-21 CH CH319001D patent/CH319001A/de unknown
- 1952-05-21 DE DEN5546A patent/DE929350C/de not_active Expired
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2976505A (en) * | 1958-02-24 | 1961-03-21 | Westinghouse Electric Corp | Thermistors |
| US3044968A (en) * | 1958-05-13 | 1962-07-17 | Westinghouse Electric Corp | Positive temperature coefficient thermistor materials |
| US3211595A (en) * | 1959-11-02 | 1965-10-12 | Hughes Aircraft Co | P-type alloy bonding of semiconductors using a boron-gold alloy |
| US2981699A (en) * | 1959-12-28 | 1961-04-25 | Westinghouse Electric Corp | Positive temperature coefficient thermistor materials |
| US3116262A (en) * | 1961-05-19 | 1963-12-31 | Gen Electric | Ceramic composition |
| US3299332A (en) * | 1961-07-10 | 1967-01-17 | Murata Manufacturing Co | Semiconductive capacitor and the method of manufacturing the same |
| DE1182131B (de) * | 1962-05-09 | 1964-11-19 | Matsushita Electric Ind Co Ltd | Ferroelektrischer keramischer Halbleiter |
| US3458363A (en) * | 1962-09-11 | 1969-07-29 | Teledyne Inc | Thermoelectric device comprising an oxide base thermoelectric element |
| US3231522A (en) * | 1963-09-26 | 1966-01-25 | American Radiator & Standard | Thermistor |
| US3277020A (en) * | 1963-12-19 | 1966-10-04 | Int Resistance Co | Glass composition and electrical resistance material made therefrom |
| US3359133A (en) * | 1964-04-06 | 1967-12-19 | American Lava Corp | Ceramic dielectrics |
| US3351568A (en) * | 1964-04-13 | 1967-11-07 | Texas Instruments Inc | Production of solid state ptc sensors |
| US3292062A (en) * | 1964-06-01 | 1966-12-13 | Bell Telephone Labor Inc | Method for preparing stabilized barium titanate, and capacitor |
| US3637532A (en) * | 1964-09-17 | 1972-01-25 | Siemens Ag | Sintered cold-conductor resistor body and method for its production |
| US3373120A (en) * | 1965-12-02 | 1968-03-12 | Matsushita Electric Ind Co Ltd | Semiconductive ceramic compositions with positive temperature coefficient of resistance |
| US3426250A (en) * | 1966-08-01 | 1969-02-04 | Sprague Electric Co | Controlled reduction and reoxidation of batio3 capacitors and resulting capacitor |
| DE2349485A1 (de) * | 1972-10-10 | 1974-04-25 | Texas Instruments Inc | Heizvorrichtung |
| JPS50124190A (enrdf_load_stackoverflow) * | 1974-03-20 | 1975-09-30 | ||
| JPS5138090A (enrdf_load_stackoverflow) * | 1974-09-25 | 1976-03-30 | Murata Manufacturing Co | |
| JPS5220291A (en) * | 1975-08-08 | 1977-02-16 | Tdk Corp | Semiconductor porcelain composition |
| US4245146A (en) * | 1977-03-07 | 1981-01-13 | Tdk Electronics Company Limited | Heating element made of PTC ceramic material |
| EP2067755A4 (en) * | 2006-09-28 | 2016-02-10 | Murata Manufacturing Co | BARIUM TITANATE SEMICONDUCTOR PORCELAIN COMPOSITION AND PTC DEVICE USING THE SAME |
| US9363851B2 (en) | 2008-08-07 | 2016-06-07 | Epcos Ag | Heating device and method for manufacturing the heating device |
Also Published As
| Publication number | Publication date |
|---|---|
| NL84015C (enrdf_load_stackoverflow) | |
| CH319001A (de) | 1957-01-31 |
| DE929350C (de) | 1955-06-23 |
| BE511613A (enrdf_load_stackoverflow) | |
| FR1066126A (fr) | 1954-06-02 |
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