KR860008955A - 세라믹 조성물 및 그 제조 방법 - Google Patents

세라믹 조성물 및 그 제조 방법 Download PDF

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KR860008955A
KR860008955A KR1019860003525A KR860003525A KR860008955A KR 860008955 A KR860008955 A KR 860008955A KR 1019860003525 A KR1019860003525 A KR 1019860003525A KR 860003525 A KR860003525 A KR 860003525A KR 860008955 A KR860008955 A KR 860008955A
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weight
cobalt oxide
purity
particle size
niobium pentoxide
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KR1019860003525A
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KR940003473B1 (ko
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에스.에이치.츄 마이크
에스. 에이치. 츄 마이크
이.호드그킨즈 챨스
호드그킨즈 챨스 이
시.딘 테렌스
시. 딘 테렌스
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탬 세라믹스 인코오포레이티드
원본미기재
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    • 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
    • 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
    • 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
    • C04B35/48—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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Composite Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Ceramic Capacitors (AREA)
  • Inorganic Insulating Materials (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

내용 없음

Description

세라믹 조성물 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (13)

  1. 바륨티타네이트 97.70-98.99중량%, 나이오븀펙톡사이드와 코발트 콕사이드의 중량비가 3.30 : 18.00이 되도록 나이오븀 펜톡사이드 0.85-1.69중량%, 그리고 코발트 옥사이드의 중량비 0.09-1.20중량%로 구성한 것을 특징으로 하는 세라믹 조성물.
  2. 제1항에 있어서, 바륨티타네이트 순도가 99.0%이고, BaO/TiO2의 화학양론적비가 0.95 : 0.995이며, 평균입자의 크기가 0.90-1.30㎛인 것을 특징으로 하는 세라믹 조성물.
  3. 제2항에 있어서, 나이오븀 펜톡사이드의 순도가 99.0%이고, 그 입자의 크기가 0.5-0.9㎛이며, 그리고 코발트 옥사이드의 순도가 70-74%이고, 그 입자의 크기가 1.0㎛ 이하 인것을 특징으로 하는 세라믹 조성물.
  4. 제1항에 있어서, 바륨티타네이트 98.82중량%, 나이오븀 펜톡 사이드와 코발트 옥사이드의 중량비 4.98이 되도록 나이오븀 펜톡사이드 0.20중량%, 코발트 옥사이드 0.20중량%로 구성한 것을 특징으로 하는 세라믹 조성물.
  5. -55℃~+125℃의 온도범위에서 그 기준값이 ±15%이상 변동치 않는 고유전율 및 온도계수(TC) 특성을 지닌 다층 세라믹 캐패시터를 만드는데 사용하기 위해서 바륨티타네이트 97.70-98.99중량%, 나이오븀 펜톡사이드와 코발트 옥사이드의 중량비가 3.30:18.00이 되도록 나이오븀 펜톡사이드 0.85-1.69중량% 코발트 옥사이드 0.09-1.20중량%로 된 혼합물로 구성하여 이러한 혼합물을 접합 조성물에 넣어 분산시킨 것을 특징으로 하는 세라믹 조성물.
  6. 제5항에 있어서, 바륨티타네이트의 순도가 99.0%, BaO/TiO2의 화학양론적비가 0.950 : 0.995이며 그 평균 입차크기가 0.90-1.30㎛인 것을 특징으로 하는 세라믹 조성물.
  7. 제6항에 있어서, 나이오븀 펜톡사이드의 순도가 99.0%, 그 입자크기가 0.5-0.9㎛이고, 코발트옥사이드의 순도가 70-74%. 그 입자크기가 1.0㎛ 이하인 것을 특징으로 하는 세라믹 조성물.
  8. 제5항에 있어서, 바륨티타네이트 98.82중량%, 나이오븀 펜톡사이드와 코발트 옥사이드의 중량비가 4.90이 되도록 나이오븀 펜톡사이드 0.98중량%, 코발트 옥사이드 0.20중량%로 구성한 것을 특징으로 하는 세라믹 조성물.
  9. 제1항에서의 제8항중 어느 한 항에 따른 조성물로 조제하고 은, 금, 플라티늄, 팔라듐으로 형성된 구성물중 선택된 한 금속과 함께 열처리시킨 다층 세라믹 캐패시터.
  10. 바륨 티타네이트 97.70-98.99중량%, 나이오븀 펜톡사이드와 코발트 옥사이드의 중량비가 3.30 : 18.00이 되도록 나이오븀 펜톡사이드 0.85-1.69중량%, 코발트 옥사이드 0.09-1.20중량%로 구성한 혼합물로 부터 다수의 유전층을 형성하는 단계와, 상기 혼합물을 압축하여 가열하는 단계 및 유전층 사이에 다수의 전극을 형성하는 단게로 구성 한 것을 특징으로 하며, 유전율이 3000-4700이고 온도계수 특성이 안정한 다층 세라믹 캐패시터의 제조방법.
  11. 제10항에 있어서, 바륨 티타네이트의 순도가 99%, Ba0/TiO2의 화학양론적비가 0.950 : 0.995이며, 그 평균 입자크기가 0.90-1.30㎛인 것을 특징으로 하는 제조방법.
  12. 제11항에 있어서, 나이오븀, 펜톡사이드의 순도가 99.0% 그 입자크기가 0.5-0.9㎛ 이고, 코발트 옥사이드의 순도가 70-74%, 그 입자크기가 1.0㎛이하인 것을 특징으로 하는 제조방법.
  13. 제10항에 있어서, 바륨티타네이트 98.82%중량%, 나이오븀 펜톡사이드와 코발트옥사이드의 중량비가 4.90이 되도록 나이오븀 펜톡사이드 0.98중량% 코발트 옥사이드 0.20중량%로 구성한 것을 특징으로 하는 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860003525A 1985-05-03 1986-05-03 세라믹 조성물 및 그 제조방법 KR940003473B1 (ko)

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US73071185A 1985-05-03 1985-05-03
US730711 1996-10-15

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US (1) US4882305A (ko)
EP (1) EP0200573B1 (ko)
JP (2) JPS61275164A (ko)
KR (1) KR940003473B1 (ko)
CN (1) CN1009510B (ko)
AT (1) ATE78458T1 (ko)
BR (1) BR8601984A (ko)
DE (1) DE3686086T2 (ko)

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EP0315324B1 (en) * 1987-11-03 1996-01-10 Tam Ceramics Inc. Dielectric ceramic with high k, low df and flat tc
US5128289A (en) * 1990-12-07 1992-07-07 Ferro Corporation X7R dielectric ceramic composition and capacitor made therefrom
JPH05213670A (ja) * 1991-04-29 1993-08-24 Tam Ceramics Inc 極微粒子の粒度のチタン酸バリウムを使用する高温焼成のｘ７ｒ誘電セラミック組成物
KR940008696B1 (ko) * 1991-12-28 1994-09-24 삼성전기 주식회사 고유전율계 자기조성물
IL115053A (en) 1994-09-01 1999-11-30 Cabot Corp Ceramic slip compositions and method for making the same
US5550092A (en) * 1995-02-10 1996-08-27 Tam Ceramics Inc. Ceramic dielectrics compositions
CN1053517C (zh) * 1996-12-24 2000-06-14 广东肇庆风华电子工程开发有限公司 高性能中温烧结片式多层瓷介电容器瓷料
US6268054B1 (en) 1997-02-18 2001-07-31 Cabot Corporation Dispersible, metal oxide-coated, barium titanate materials
US7482299B2 (en) * 1998-07-29 2009-01-27 Namics Corporation Dielectric ceramic composition and multi-layer ceramic capacitor
CN100452257C (zh) * 2005-07-15 2009-01-14 天津大学 钛酸钡陶瓷电容器介质及其制备方法
CN101163652A (zh) * 2006-06-12 2008-04-16 纳美仕有限公司 电介质陶瓷组合物以及多层陶瓷电容器
US8305731B2 (en) * 2007-11-06 2012-11-06 Ferro Corporation Lead and cadmium free, low temperature fired X7R dielectric ceramic composition and method of making
CN106536448B (zh) 2014-07-09 2020-07-17 费罗公司 中k值ltcc组合物和装置
KR102005291B1 (ko) 2015-02-27 2019-07-30 페로 코포레이션 로우-k 및 미드-k ltcc 유전체 조성물 및 소자
TWI634092B (zh) 2015-07-23 2018-09-01 菲洛公司 與鎳電極倂用之ｃｏｇ介電組成物及形成電子組件之方法
CN107848872B (zh) 2015-08-05 2020-11-06 费罗公司 高介电常数ltcc介电组合物和装置

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ATE78458T1 (de) 1992-08-15
DE3686086D1 (de) 1992-08-27
EP0200573B1 (en) 1992-07-22
JPH0715856B2 (ja) 1995-02-22
EP0200573A3 (en) 1987-06-10
BR8601984A (pt) 1987-01-06
EP0200573A2 (en) 1986-11-05
DE3686086T2 (de) 1993-02-11
JPS61275164A (ja) 1986-12-05
CN86103391A (zh) 1986-10-29
JPH0323504B2 (ko) 1991-03-29
JPH03174711A (ja) 1991-07-29
KR940003473B1 (ko) 1994-04-22
CN1009510B (zh) 1990-09-05
US4882305A (en) 1989-11-21

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