DE1182131B - Ferroelektrischer keramischer Halbleiter - Google Patents
Ferroelektrischer keramischer HalbleiterInfo
- Publication number
- DE1182131B DE1182131B DEM56760A DEM0056760A DE1182131B DE 1182131 B DE1182131 B DE 1182131B DE M56760 A DEM56760 A DE M56760A DE M0056760 A DEM0056760 A DE M0056760A DE 1182131 B DE1182131 B DE 1182131B
- Authority
- DE
- Germany
- Prior art keywords
- batio
- tio
- ceramic
- ferroelectric
- barium titanate
- 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.)
- Pending
Links
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/04—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture having a dielectric selected for the variation of its permittivity with applied temperature
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
- Thermistors And Varistors (AREA)
- Ceramic Capacitors (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1893762 | 1962-05-09 | ||
JP5175862 | 1962-11-19 | ||
JP895763 | 1963-02-20 | ||
JP1439663 | 1963-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1182131B true DE1182131B (de) | 1964-11-19 |
Family
ID=27455069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEM56760A Pending DE1182131B (de) | 1962-05-09 | 1963-05-09 | Ferroelektrischer keramischer Halbleiter |
Country Status (4)
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL135251C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1963-02-22 | |||
US3444501A (en) * | 1966-05-16 | 1969-05-13 | Ibm | Thermistor and method of fabrication |
US3859403A (en) * | 1970-04-13 | 1975-01-07 | Sprague Electric Co | Process for semiconductive ceramic body |
US3950741A (en) * | 1974-10-29 | 1976-04-13 | General Motors Corporation | Accessory outage monitoring circuitry |
US4027209A (en) * | 1975-10-02 | 1977-05-31 | Sprague Electric Company | Ceramic capacitor having a silver doped dielectric of (Pb,La)(Zr,Ti)O3 |
US4944891A (en) * | 1985-06-07 | 1990-07-31 | Hoechst Celanese Corp. | Easily poled 0-3 piezoelectric composites for transducer applications |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB714965A (en) * | 1951-05-23 | 1954-09-08 | Philips Electrical Ind Ltd | Improvements in or relating to semi-conductive material |
US2981699A (en) * | 1959-12-28 | 1961-04-25 | Westinghouse Electric Corp | Positive temperature coefficient thermistor materials |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2947698A (en) * | 1958-09-29 | 1960-08-02 | Ibm | Silver niobate ferroelectric materials |
US2989483A (en) * | 1958-11-07 | 1961-06-20 | Bosch Arma Corp | Method of making polarized titanate ceramics |
US3056938A (en) * | 1959-12-24 | 1962-10-02 | Trionics Corp | Micro-molecular resistor |
-
0
- NL NL129175D patent/NL129175C/xx active
- NL NL292542D patent/NL292542A/xx unknown
-
1963
- 1963-05-07 GB GB18052/63A patent/GB1049488A/en not_active Expired
- 1963-05-09 DE DEM56760A patent/DE1182131B/de active Pending
-
1965
- 1965-07-30 US US476021A patent/US3316184A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB714965A (en) * | 1951-05-23 | 1954-09-08 | Philips Electrical Ind Ltd | Improvements in or relating to semi-conductive material |
DE929350C (de) * | 1951-05-23 | 1955-06-23 | Philips Nv | Verfahren zur Herstellung halbleitenden Materials |
US2981699A (en) * | 1959-12-28 | 1961-04-25 | Westinghouse Electric Corp | Positive temperature coefficient thermistor materials |
Also Published As
Publication number | Publication date |
---|---|
US3316184A (en) | 1967-04-25 |
NL292542A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
NL129175C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
GB1049488A (en) | 1966-11-30 |
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