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WO2001090025A3 - Ceramic component and use thereof - Google Patents

Ceramic component and use thereof Download PDF

Info

Publication number
WO2001090025A3
WO2001090025A3 PCT/DE2001/001738 DE0101738W WO0190025A3 WO 2001090025 A3 WO2001090025 A3 WO 2001090025A3 DE 0101738 W DE0101738 W DE 0101738W WO 0190025 A3 WO0190025 A3 WO 0190025A3
Authority
WO
WIPO (PCT)
Prior art keywords
ceramic component
contact layer
relates
component
xtiivx
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.)
Ceased
Application number
PCT/DE2001/001738
Other languages
German (de)
French (fr)
Other versions
WO2001090025A2 (en
Inventor
Adalbert Feltz
Axel Pecina
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.)
TDK Electronics AG
Original Assignee
Epcos AG
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 Epcos AG filed Critical Epcos AG
Priority to AU2001265768A priority Critical patent/AU2001265768A1/en
Publication of WO2001090025A2 publication Critical patent/WO2001090025A2/en
Publication of WO2001090025A3 publication Critical patent/WO2001090025A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
    • 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
    • H01C7/04—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 negative temperature coefficient
    • H01C7/042—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 negative temperature coefficient mainly consisting of inorganic non-metallic substances
    • H01C7/043—Oxides or oxidic compounds
    • H01C7/045—Perovskites, e.g. titanates
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00844—Uses not provided for elsewhere in C04B2111/00 for electronic applications

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The invention relates to a ceramic component comprising a base body (1) consisting of a perovskite compound having the following general formula: MIIxMIII1-xTiIVx+yCoIIyCoIII1-x-2yO3, wherein the bivalent metal MII is either strontium or barium and the trivalent metal MIII is a rare earth element, wherein 0 ≤ x < 0,85; 0 < y < (1-x)/2 and x+y ≤ 1, and the surface of said component is partially covered by a galvanically applied contact layer (2,3). The invention also relates to the use of said ceramic component. The chemically stable perovoskite compound makes it possible to avoid passivation during the galvanisation process of the contact layer.
PCT/DE2001/001738 2000-05-26 2001-05-08 Ceramic component and use thereof Ceased WO2001090025A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001265768A AU2001265768A1 (en) 2000-05-26 2001-05-08 Ceramic component and use thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10026260.0 2000-05-26
DE2000126260 DE10026260B4 (en) 2000-05-26 2000-05-26 Ceramic component and its use and method for the galvanic generation of contact layers on a ceramic base body

Publications (2)

Publication Number Publication Date
WO2001090025A2 WO2001090025A2 (en) 2001-11-29
WO2001090025A3 true WO2001090025A3 (en) 2002-04-04

Family

ID=7643745

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2001/001738 Ceased WO2001090025A2 (en) 2000-05-26 2001-05-08 Ceramic component and use thereof

Country Status (3)

Country Link
AU (1) AU2001265768A1 (en)
DE (1) DE10026260B4 (en)
WO (1) WO2001090025A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006017796A1 (en) 2006-04-18 2007-10-25 Epcos Ag Electric PTC thermistor component

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0302294A1 (en) * 1987-07-31 1989-02-08 Siemens Aktiengesellschaft Component with fillable layers comprising a sintered monolithic ceramic body, and method of making it
EP0851444A2 (en) * 1996-12-06 1998-07-01 Murata Manufacturing Co., Ltd. Ceramic composition and multilayer ceramic capacitor made therefrom
DE19714686A1 (en) * 1997-04-09 1998-10-15 Siemens Matsushita Components Surface-mountable electrical ceramic component
DE19740262C1 (en) * 1997-09-12 1999-04-22 Siemens Matsushita Components Sintered ceramic consisting of single perovskite phase
DE19834423A1 (en) * 1998-07-30 2000-02-03 Siemens Matsushita Components New sintered single phase perovskite semiconductor ceramic, especially of strontium-lanthanum-titanium-cobalt oxide, used for stable NTC switch-on current limiters and low ohmic NTC thermistors

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219480A (en) * 1961-06-29 1965-11-23 Gen Electric Method for making thermistors and article

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0302294A1 (en) * 1987-07-31 1989-02-08 Siemens Aktiengesellschaft Component with fillable layers comprising a sintered monolithic ceramic body, and method of making it
EP0851444A2 (en) * 1996-12-06 1998-07-01 Murata Manufacturing Co., Ltd. Ceramic composition and multilayer ceramic capacitor made therefrom
DE19714686A1 (en) * 1997-04-09 1998-10-15 Siemens Matsushita Components Surface-mountable electrical ceramic component
DE19740262C1 (en) * 1997-09-12 1999-04-22 Siemens Matsushita Components Sintered ceramic consisting of single perovskite phase
DE19834423A1 (en) * 1998-07-30 2000-02-03 Siemens Matsushita Components New sintered single phase perovskite semiconductor ceramic, especially of strontium-lanthanum-titanium-cobalt oxide, used for stable NTC switch-on current limiters and low ohmic NTC thermistors

Also Published As

Publication number Publication date
WO2001090025A2 (en) 2001-11-29
AU2001265768A1 (en) 2001-12-03
DE10026260A1 (en) 2001-12-06
DE10026260B4 (en) 2004-03-25

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