DE69118876T2 - Dielektrische keramische zusammensetzungen und verfahren zur erhöhung ihrer dielektrischen eigenschaften - Google Patents

Dielektrische keramische zusammensetzungen und verfahren zur erhöhung ihrer dielektrischen eigenschaften

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Publication number
DE69118876T2
DE69118876T2 DE69118876T DE69118876T DE69118876T2 DE 69118876 T2 DE69118876 T2 DE 69118876T2 DE 69118876 T DE69118876 T DE 69118876T DE 69118876 T DE69118876 T DE 69118876T DE 69118876 T2 DE69118876 T2 DE 69118876T2
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DE
Germany
Prior art keywords
increasing
dielectric ceramic
ceramic compositions
dielectrical properties
dielectrical
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 - Fee Related
Application number
DE69118876T
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English (en)
Other versions
DE69118876D1 (de
Inventor
Salvatore Bruno
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE69118876D1 publication Critical patent/DE69118876D1/de
Publication of DE69118876T2 publication Critical patent/DE69118876T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802—Powder coating materials
    • C04B35/62805—Oxide ceramics
    • C04B35/62818—Refractory metal oxides
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    • 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
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62802—Powder coating materials
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
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    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/628—Coating the powders or the macroscopic reinforcing agents
    • C04B35/62886—Coating the powders or the macroscopic reinforcing agents by wet chemical techniques
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    • 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
    • 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
    • H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
    • C04B2235/3234—Titanates, not containing zirconia
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    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3251—Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
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    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/79—Non-stoichiometric products, e.g. perovskites (ABO3) with an A/B-ratio other than 1

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
DE69118876T 1990-02-28 1991-01-22 Dielektrische keramische zusammensetzungen und verfahren zur erhöhung ihrer dielektrischen eigenschaften Expired - Fee Related DE69118876T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/506,965 US5082811A (en) 1990-02-28 1990-02-28 Ceramic dielectric compositions and method for enhancing dielectric properties
PCT/US1991/000299 WO1991013043A1 (en) 1990-02-28 1991-01-22 Improved ceramic dielectric compositions and method for enhancing dielectric properties

Publications (2)

Publication Number Publication Date
DE69118876D1 DE69118876D1 (de) 1996-05-23
DE69118876T2 true DE69118876T2 (de) 1996-10-31

Family

ID=24016726

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118876T Expired - Fee Related DE69118876T2 (de) 1990-02-28 1991-01-22 Dielektrische keramische zusammensetzungen und verfahren zur erhöhung ihrer dielektrischen eigenschaften

Country Status (9)

Country Link
US (1) US5082811A (de)
EP (1) EP0517738B1 (de)
JP (1) JPH05503502A (de)
AU (1) AU7255691A (de)
DE (1) DE69118876T2 (de)
MX (1) MX171475B (de)
RU (1) RU2075462C1 (de)
TW (1) TW226986B (de)
WO (1) WO1991013043A1 (de)

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US5518808A (en) * 1992-12-18 1996-05-21 E. I. Du Pont De Nemours And Company Luminescent materials prepared by coating luminescent compositions onto substrate particles
US5643674A (en) * 1992-12-18 1997-07-01 E. I. Du Pont De Nemours And Company Luminescent materials prepared by coating luminescent compositions onto substrate particles
IL115053A (en) 1994-09-01 1999-11-30 Cabot Corp Ceramic slip compositions and method for making the same
US6870272B2 (en) * 1994-09-20 2005-03-22 Tessera, Inc. Methods of making microelectronic assemblies including compliant interfaces
US5659952A (en) * 1994-09-20 1997-08-26 Tessera, Inc. Method of fabricating compliant interface for semiconductor chip
US6284563B1 (en) * 1995-10-31 2001-09-04 Tessera, Inc. Method of making compliant microelectronic assemblies
US6211572B1 (en) * 1995-10-31 2001-04-03 Tessera, Inc. Semiconductor chip package with fan-in leads
US5695887A (en) * 1996-05-09 1997-12-09 Bell Communications Research, Inc. Chelation treatment for reduced self-discharge in Li-ion batteries
US6268054B1 (en) 1997-02-18 2001-07-31 Cabot Corporation Dispersible, metal oxide-coated, barium titanate materials
US6444008B1 (en) * 1998-03-19 2002-09-03 Cabot Corporation Paint and coating compositions containing tantalum and/or niobium powders
JP2000143338A (ja) * 1998-11-11 2000-05-23 Murata Mfg Co Ltd 半導体セラミックおよびそれを用いた半導体セラミック素子
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DE60012591T2 (de) 1999-01-28 2005-07-14 Shin-Etsu Chemical Co., Ltd. Mit seltener Erde oberflächenbeschichtete Bariumtitanatteilchen
JP2001048643A (ja) * 1999-08-11 2001-02-20 Murata Mfg Co Ltd 半導体磁器および半導体磁器素子
JP2003507318A (ja) * 1999-08-23 2003-02-25 キャボット コーポレイション ケイ酸塩系焼結助剤および製造方法
DE50104838D1 (de) * 2000-03-13 2005-01-20 Siemens Ag Keramikmasse, verfahren zur herstellung der keramikmasse und verwendung der keramikmasse
US6733740B1 (en) 2000-10-12 2004-05-11 Cabot Corporation Production of dielectric particles
US6656590B2 (en) * 2001-01-10 2003-12-02 Cabot Corporation Coated barium titanate-based particles and process
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AU7255691A (en) 1991-09-18
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WO1991013043A1 (en) 1991-09-05
US5082811A (en) 1992-01-21
DE69118876D1 (de) 1996-05-23
EP0517738A1 (de) 1992-12-16
EP0517738A4 (en) 1993-05-12
TW226986B (de) 1994-07-21

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