IT1089190B - Dielettrico per condensatori con strati di sbarramento interni e procedimento per la sua fabbricazione - Google Patents
Dielettrico per condensatori con strati di sbarramento interni e procedimento per la sua fabbricazioneInfo
- Publication number
- IT1089190B IT1089190B IT7731077A IT3107777A IT1089190B IT 1089190 B IT1089190 B IT 1089190B IT 7731077 A IT7731077 A IT 7731077A IT 3107777 A IT3107777 A IT 3107777A IT 1089190 B IT1089190 B IT 1089190B
- Authority
- IT
- Italy
- Prior art keywords
- capacitors
- dielectric
- procedure
- manufacture
- barrier layers
- Prior art date
Links
- 230000004888 barrier function Effects 0.000 title 1
- 239000003990 capacitor Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 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
- C04B35/468—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
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/12—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Ceramic Capacitors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2659672A DE2659672B2 (de) | 1976-12-30 | 1976-12-30 | Kondensatordielektrikum mit inneren Sperrschichten und Verfahren zu seiner Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1089190B true IT1089190B (it) | 1985-06-18 |
Family
ID=5997099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7731077A IT1089190B (it) | 1976-12-30 | 1977-12-22 | Dielettrico per condensatori con strati di sbarramento interni e procedimento per la sua fabbricazione |
Country Status (7)
Country | Link |
---|---|
US (1) | US4149173A (it) |
JP (1) | JPS5384200A (it) |
AT (1) | AT357241B (it) |
DE (1) | DE2659672B2 (it) |
FR (1) | FR2376500A1 (it) |
GB (1) | GB1542795A (it) |
IT (1) | IT1089190B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2432754A1 (fr) | 1978-08-01 | 1980-02-29 | Thomson Csf | Procede de fabrication d'un materiau dielectrique a barrieres isolantes distribuees en volume, utilisable sous tension elevee, et dispositif electronique realise avec ce materiau |
US4309295A (en) * | 1980-02-08 | 1982-01-05 | U.S. Philips Corporation | Grain boundary barrier layer ceramic dielectrics and the method of manufacturing capacitors therefrom |
DE3165390D1 (en) * | 1980-06-30 | 1984-09-13 | Centralab Inc | Ceramic dielectric for base metal electrode capacitors and method of manufacture |
JPS57167617A (en) * | 1981-04-08 | 1982-10-15 | Murata Manufacturing Co | Grain boundary insulating type semiconductor porcelain composition |
JPS57167618A (en) * | 1981-04-08 | 1982-10-15 | Murata Manufacturing Co | Grain boundary insulating type semiconductor porcelain composition |
US4419278A (en) * | 1981-05-04 | 1983-12-06 | Diamond Shamrock Corporation | Photoactive semiconductor material using true solid/solid solution mixed metal oxide |
US4396485A (en) * | 1981-05-04 | 1983-08-02 | Diamond Shamrock Corporation | Film photoelectrodes |
JPS60124396A (ja) * | 1983-12-09 | 1985-07-03 | 松下電器産業株式会社 | 薄膜発光素子 |
US4761711A (en) * | 1987-06-05 | 1988-08-02 | The United States Of America As Represented By The Secretary Of The Navy | Barrier layer ceramic dielectric capacitor containing barium plumbate |
US4870538A (en) * | 1988-09-26 | 1989-09-26 | Enercap Corporation | High energy density capacitor and method of fabrication |
EP0618597B1 (en) * | 1993-03-31 | 1997-07-16 | Texas Instruments Incorporated | Lightly donor doped electrodes for high-dielectric-constant materials |
US6643120B2 (en) * | 2000-04-28 | 2003-11-04 | Showa Denko Kabushiki Kaisha | Niobium powder for capacitor, sintered body using the powder and capacitor using the same |
JP4506084B2 (ja) * | 2002-04-16 | 2010-07-21 | 株式会社村田製作所 | 非還元性誘電体セラミックおよびその製造方法ならびに積層セラミックコンデンサ |
JP2009137822A (ja) * | 2007-12-11 | 2009-06-25 | Panasonic Corp | コンポジットセラミック誘電体層、その製造方法およびそれを用いたセラミック電子部品 |
DE112012004389T5 (de) * | 2011-10-20 | 2014-07-10 | Murata Manufacturing Co., Ltd. | Laminatartiger Halbleiterkeramikkondensator mit Varistorfunktionalität und Verfahren zum Herstellen desselben |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE909819C (de) * | 1943-06-11 | 1954-04-26 | Nat Lead Co | Stoffe hoher Dielektrizitaetskonstante und Verfahren zu ihrer Herstellung |
FR1283469A (fr) * | 1961-03-02 | 1962-02-02 | Philips Nv | Céramique à base de titanate de baryum doué de propriétés diélectriques |
DE1490659B2 (de) * | 1964-09-17 | 1972-01-13 | Siemens AG, 1000 Berlin u. 8000 München | Gesinterter elektrischer kaltleiterwiderstandskoerper und verfahren zu seiner herstellung |
DE1614605B2 (de) * | 1967-09-20 | 1974-06-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Kondensatordielektrikum mit inneren Sperrschichten und geringerer Temperaturabhängigkeit |
US3787219A (en) * | 1972-09-22 | 1974-01-22 | Du Pont | CaTiO{11 -CRYSTALLIZABLE GLASS DIELECTRIC COMPOSITIONS |
DE2359818C3 (de) * | 1973-11-30 | 1979-04-19 | Tdk Electronic Co., Tokio | Piezoelektrische Keramik |
-
1976
- 1976-12-30 DE DE2659672A patent/DE2659672B2/de active Granted
-
1977
- 1977-07-26 AT AT541777A patent/AT357241B/de not_active IP Right Cessation
- 1977-12-07 US US05/858,153 patent/US4149173A/en not_active Expired - Lifetime
- 1977-12-22 IT IT7731077A patent/IT1089190B/it active
- 1977-12-26 FR FR7739207A patent/FR2376500A1/fr active Granted
- 1977-12-27 JP JP16096577A patent/JPS5384200A/ja active Pending
- 1977-12-29 GB GB54069/77A patent/GB1542795A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT357241B (de) | 1980-06-25 |
ATA541777A (de) | 1979-11-15 |
JPS5384200A (en) | 1978-07-25 |
DE2659672C3 (it) | 1983-12-22 |
FR2376500B1 (it) | 1981-12-11 |
GB1542795A (en) | 1979-03-28 |
DE2659672B2 (de) | 1980-12-04 |
FR2376500A1 (fr) | 1978-07-28 |
US4149173A (en) | 1979-04-10 |
DE2659672A1 (de) | 1978-07-13 |
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