KR900017962A - 세라믹 유전체용 조성물, 이것을 사용하여 얻는 세라믹 유전체 및 그 제조방법 - Google Patents

세라믹 유전체용 조성물, 이것을 사용하여 얻는 세라믹 유전체 및 그 제조방법 Download PDF

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KR900017962A
KR900017962A KR1019890006427A KR890006427A KR900017962A KR 900017962 A KR900017962 A KR 900017962A KR 1019890006427 A KR1019890006427 A KR 1019890006427A KR 890006427 A KR890006427 A KR 890006427A KR 900017962 A KR900017962 A KR 900017962A
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oxide
mol
solid solution
barium
represented
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히드쯔 아베
쇼오시 아우끼
가즈히자 히다까
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마쓰모도 히로시
사까이 가가꾸 가부시끼가이샤
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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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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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
    • C—CHEMISTRY; METALLURGY
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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
    • C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C04B35/49—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 zirconium or hafnium oxides, zirconates, zircon or hafnates containing also titanium oxides or titanates
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    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • H01G4/1218—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates
    • H01G4/1227—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates based on alkaline earth titanates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
    • H01G4/1236—Ceramic dielectrics characterised by the ceramic dielectric material based on zirconium oxides or zirconates
    • H01G4/1245—Ceramic dielectrics characterised by the ceramic dielectric material based on zirconium oxides or zirconates containing also titanates

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Abstract

내용 없음

Description

세라믹 유전체용 조성물, 이것을 사용하여 얻는 세라믹 유전체 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는, 티탄산 지르콘산 바륨을 배합량이 상이한 조성물로 부터 얻은 세라믹 유전체의 비유전율의 온도의존 특성을 나타내는 그래프, 제2도는, 지르코늄 양이 상이한 티탄산 지르콘산 바륨을 사용하여 얻은 세라믹 유전체의 비유전율의 온도의존 특성을 나타내는 그래프, 본 발명에 의한 조성물을 사용하여 얻은 세라믹 유전체의 비유전율의 온도의존 특성을 나타내는 그래프.

Claims (4)

  1. 평균입자크기가 0.1∼1.5㎛인 티탄산바륨 98∼60몰%와, 평균입자크기가 0.1∼1.5㎛이고, 퀴리 온도가 50∼115℃인 티탄산바륨계 퍼로브스카이트 고체용액 2∼40몰%의 합계량 100몰%에 대하여, (A)산화니오브 및 산화탄탈가운데에서의 최소한 1종 이상의 산화물 0.3∼2몰% 그리고, (B) 산화코발트, 산화니켈, 산화마그네슘,산화망간, 산화구리 및 회토류원소의 산화물 가운데에서의 최소한 1종 이상의 산화물 0.1∼2몰%를 함유하는 세라믹 유전체용 조성물.
  2. 제1항에 있어서, 티탄산바륨계 퍼로브스카이트 고체용 액이, (a) 일반식 (Ⅰ) BsTi1-xZrxO3(식 가운데, X는 0.02x0.15에 해당하는 수)로 표시되는 티탄산지르콘산바륨 고체용액, 또는 (b)일반식 (Ⅱ) Ba1-ySryTiO3(식 가운데, y는 0.03y0.20에 해당하는 수)로 표시되는 티탄산바륨스트론튬 고체용액, 또는 (c)일반식 (Ⅲ) BaRi1-zSnzO3(식 가운데 z는 0.01z0.10에 해당하는 수)로 표시되는 티탄산주석산바륨 고체용액, (d) 상기 고체용액가운데에서의 2종 이상으로 된 복합 고체용액, 또는 (e) 상기 고체용액들을 혼합물인 것을 특징으로 하는 세라믹 유전체용 조성물.
  3. 평균입자크기가 0.1∼1.5㎛인 티탄산바륨 98∼60몰%와, 평균입자크기가 0.1∼1.5㎛이고, (a)일반식 (Ⅰ) BsTi1-xZrxO3(식 가운데, X는 0.02x0.15에 해당하는 수)로 표시되는 티탄산지르콘산바륨 고체용액, 또는 (b)일반식 (Ⅱ) Ba1-ySryTiO3(식 가운데, y는 0.03y0.20에 해당하는 수)로 표시되는 티탄산바륨스트론튬 고체용액, 또는 (c)일반식 (Ⅲ) BaRi1-zSnzO3(식 가운데 z는 0.01z0.10에 해당하는 수)로 표시되는 티탄산주석산바륨 고체용액, (d) 상기 고체용액가운데에서의 2종 이상으로 된 복합 고체용액, 또는 (e) 상기 고체용액들의 혼합물 2∼40몰%와의 합계량 100몰%에 대하여, (A)산화니오브 및 산화탄탈 가운데에서의 최소한 1종 이상의 산화물을 0.3∼2몰%, 그리고, (B)산화코발트, 산화니켈, 산화마그네슘, 산화망간, 산화구리 및희토류원소의 산화물 가운데에서의 최소한 1종 이상의 산화물을 0.1∼2몰%를 함유하는 조성물을 소결하여 얻게되는 세라믹 유전체.
  4. 평균입자크기가 0.1∼1.5㎛인 티탄산바륨 98∼60몰%와, 평균입자크기가 0.1∼1.5㎛이고, (a)일반식 (Ⅰ) BsTi1-xZrxO3(식 가운데, X는 0.02x0.15에 해당하는 수)로 표시되는 티탄산지르콘산바륨 고체용액, 또는 (b)일반식 (Ⅱ) Ba1-ySryTiO3(식 가운데, y는 0.03y0.20에 해당하는 수)로 표시되는 티탄산바륨스트론튬 고체용액, 또는 (c)일반식 (Ⅲ) BaRi1-zSnzO3(식 가운데 z는 0.01z0.10에 해당하는 수)로 표시되는 티탄산주석산바륨 고체용액, (d) 상기 고체용액가운데에서의 2종 이상으로 된 복합 고체용액, 또는 (e) 상기 고체용액들을 혼합물 2∼40몰%와의 합계량 100몰%에 대하여, (A)산화니오브 및산화탄탈가운데에서의 최소한 1종 이상의 산화물을 0.3∼2몰%, 그리고, (B)산화코발트, 산화니켈, 산화마그네슘, 산화망간, 산화구리 및 회토류원소의 산화물 가운데에서의 최소한 1종 이상의 산화물을 0.1∼2몰%를 함유하는 조성물을 1,000∼1,400℃온도로 소결하는 것을 특징으로 하는 세라믹 유전체의 제조 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890006427A 1988-05-11 1989-05-11 세라믹 유전체용 조성물, 이것을 사용하여 얻는 세라믹 유전체 및 그 제조방법 KR960001692B1 (ko)

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JP11562988 1988-05-11
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JP31271688 1988-12-09
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EP0257653B1 (en) * 1986-08-28 1992-11-04 Kabushiki Kaisha Toshiba High dielectric constant ceramic material and method of manufacturing the same
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101452077B1 (ko) * 2012-12-28 2014-10-16 삼성전기주식회사 유전체 조성물 및 이를 포함하는 적층 세라믹 커패시터

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US5084424A (en) 1992-01-28
FR2631333B1 (fr) 1991-03-15
JPH02258671A (ja) 1990-10-19
KR960001692B1 (ko) 1996-02-03
NL195003C (nl) 2003-05-15
FR2631333A1 (fr) 1989-11-17
NL8901189A (nl) 1989-12-01

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