GB2026466B - Ceramic capacitor composition - Google Patents

Ceramic capacitor composition

Info

Publication number
GB2026466B
GB2026466B GB7919035A GB7919035A GB2026466B GB 2026466 B GB2026466 B GB 2026466B GB 7919035 A GB7919035 A GB 7919035A GB 7919035 A GB7919035 A GB 7919035A GB 2026466 B GB2026466 B GB 2026466B
Authority
GB
United Kingdom
Prior art keywords
mol
ceramic capacitor
capacitor composition
parts
main component
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
Application number
GB7919035A
Other versions
GB2026466A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB2026466A publication Critical patent/GB2026466A/en
Application granted granted Critical
Publication of GB2026466B publication Critical patent/GB2026466B/en
Expired legal-status Critical Current

Links

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.
GB7919035A 1978-06-01 1979-05-31 Ceramic capacitor composition Expired GB2026466B (en)

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
GB2026466A GB2026466A (en) 1980-02-06
GB2026466B true GB2026466B (en) 1982-07-14

Family

ID=13314266

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7919035A Expired GB2026466B (en) 1978-06-01 1979-05-31 Ceramic capacitor composition

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367265A (en) 1981-04-06 1983-01-04 North American Philips Corporation Intergranular insulation type semiconductive ceramic and method of producing same

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56144522A (en) * 1980-04-11 1981-11-10 Matsushita Electric Ind Co Ltd Grain boundary dielectric layer type semiconductor porcelain composition
JPS5739520A (en) * 1980-08-20 1982-03-04 Matsushita Electric Ind 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367265A (en) 1981-04-06 1983-01-04 North American Philips Corporation Intergranular insulation type semiconductive ceramic and method of producing same

Also Published As

Publication number Publication date
HK20885A (en) 1985-03-29
GB2026466A (en) 1980-02-06
JPS6159525B2 (en) 1986-12-17
CH638948B (en)
JPS54157300A (en) 1979-12-12
CH638948GA3 (en) 1983-10-31
DE2921807A1 (en) 1979-12-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930531