CH638948GA3 - - Google Patents
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- Publication number
- CH638948GA3 CH638948GA3 CH509379A CH509379A CH638948GA3 CH 638948G A3 CH638948G A3 CH 638948GA3 CH 509379 A CH509379 A CH 509379A CH 509379 A CH509379 A CH 509379A CH 638948G A3 CH638948G A3 CH 638948GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- mol
- parts
- main component
- ti2o2
- bi2o3
- Prior art date
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 abstract 2
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 abstract 2
- 239000003985 ceramic capacitor Substances 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
- H01G4/1272—Semiconductive ceramic capacitors
- H01G4/1281—Semiconductive ceramic capacitors with grain boundary layer
-
- 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
- C04B35/47—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 strontium titanates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Capacitors (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
A semiconductive ceramic capacitor composition has a main component consisting of 14-21 mol% CaO, 29-36 mol% of SrO and 49.5-51 mol% of Ti2O2 which contains 0.05-1 mol part of at least one of Ta2O5 and Nb2O5, 0.5-6 parts of SiO2 and 0.5-6 parts of Bi2O3 per 100 mol parts of the main component.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6638478A JPS54157300A (en) | 1978-06-01 | 1978-06-01 | Semi-conductor porcelain capacitorsigma element manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH638948B CH638948B (en) | |
| CH638948GA3 true CH638948GA3 (en) | 1983-10-31 |
Family
ID=13314266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH509379A CH638948B (en) | 1978-06-01 | 1979-05-31 | SEMI-CONDUCTIVE CERAMIC DIELECTRIC FOR A CERAMIC CAPACITOR. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS54157300A (en) |
| CH (1) | CH638948B (en) |
| DE (1) | DE2921807A1 (en) |
| GB (1) | GB2026466B (en) |
| HK (1) | HK20885A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56144522A (en) * | 1980-04-11 | 1981-11-10 | Matsushita Electric Industrial Co Ltd | Grain boundary dielectric layer type semiconductor porcelain composition |
| JPS5739520A (en) * | 1980-08-20 | 1982-03-04 | Matsushita Electric Industrial Co Ltd | Grain boundary dielectric layer type semiconductor porcelain composition |
| DE3035793C2 (en) * | 1980-09-23 | 1985-11-07 | Murata Manufacturing Co., Ltd., Nagaokakyo, Kyoto | Process for the production of boundary layer semiconductor ceramic capacitors |
| US4347167A (en) * | 1980-10-01 | 1982-08-31 | University Of Illinois Foundation | Fine-grain semiconducting ceramic compositions |
| US4367265A (en) * | 1981-04-06 | 1983-01-04 | North American Philips Corporation | Intergranular insulation type semiconductive ceramic and method of producing same |
| JPS5920908A (en) * | 1982-07-26 | 1984-02-02 | 株式会社村田製作所 | Temperature compensating dielectric porcelain composition |
| FR2645850A1 (en) * | 1989-04-17 | 1990-10-19 | Commissariat Energie Atomique | FERRITE-BASED DIELECTRIC CERAMIC COMPOSITION AND METHOD FOR MANUFACTURING THE SAME |
-
1978
- 1978-06-01 JP JP6638478A patent/JPS54157300A/en active Granted
-
1979
- 1979-05-29 DE DE19792921807 patent/DE2921807A1/en not_active Ceased
- 1979-05-31 GB GB7919035A patent/GB2026466B/en not_active Expired
- 1979-05-31 CH CH509379A patent/CH638948B/en unknown
-
1985
- 1985-03-21 HK HK208/85A patent/HK20885A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2921807A1 (en) | 1979-12-06 |
| HK20885A (en) | 1985-03-29 |
| CH638948B (en) | |
| GB2026466B (en) | 1982-07-14 |
| JPS54157300A (en) | 1979-12-12 |
| GB2026466A (en) | 1980-02-06 |
| JPS6159525B2 (en) | 1986-12-17 |
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