KR940010139A - 적층 세라믹 콘덴서 - Google Patents

적층 세라믹 콘덴서 Download PDF

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Publication number
KR940010139A
KR940010139A KR1019930019939A KR930019939A KR940010139A KR 940010139 A KR940010139 A KR 940010139A KR 1019930019939 A KR1019930019939 A KR 1019930019939A KR 930019939 A KR930019939 A KR 930019939A KR 940010139 A KR940010139 A KR 940010139A
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KR
South Korea
Prior art keywords
metal
metal salt
multilayer ceramic
salts
temperature
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KR1019930019939A
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English (en)
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KR970004274B1 (ko
Inventor
에이이치 아사다
가즈로오 나가시마
Original Assignee
에이이치 아사다
쇼에이 카가구 고오교오 가부시끼 가이샤
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Application filed by 에이이치 아사다, 쇼에이 카가구 고오교오 가부시끼 가이샤 filed Critical 에이이치 아사다
Publication of KR940010139A publication Critical patent/KR940010139A/ko
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Publication of KR970004274B1 publication Critical patent/KR970004274B1/ko

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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
    • 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
    • H01G4/005—Electrodes
    • H01G4/008—Selection of materials
    • H01G4/0085—Fried electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/30—Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Capacitors (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

적층 세라믹 콘덴서는 도전체로서 실질적으로 단결정인 금속분말로 구성되는 내부전극을 가지며, 이 분말은 적어도 1종의 금속염을 함유하는 용액을 분무하여 액방울을 형성하고 이 액방울을 금속염의 분해온도보다 높은 온도 또한 금속의 용융점보다 높은 온도로 가열함으로써 제조한다.
금속의 용융점보다 낮은 온도에서 산화물을 형성하는 경우에는 액방울을, 산화물의 분해온도보다 높은 온도로 가열한다.
이 적층 콘덴서는 세라믹재에 크랙발생이 없다.

Description

적층 세라믹 콘덴서
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예와 비교예의 온도와 부피증가율과의 관계를 나타내는 그래프로서, 곡선 A는 본 발명에 의한 실시예의 중량증가를 나타내는 곡선이고, 곡선 B는 비교예의 중량증가를 나타내는 곡선.

Claims (5)

  1. 적어도 1종의 금속염을 함유하는 용액을 분무하여 액방울을 형성하고 이 액방울을 금속염의 분해온도보다 높은 온도 또한 금속의 용융점보다 높은 온도로 가열함으로써 제조되는 실질적으로 단결정인 금속분말을 도전체로서 구성하는 내부 전극을 가지는 적층세락믹 콘덴서.
  2. 제1항에 있어서, 금속염 금속이 용융점보다 낮은 온도에서 산화물을 형성할 때, 액방울은, 산화물의 분해온도보다 높은 온도로 가열하여 실질적으로 단결정 금속분말을 도전체로서 부여하는 적층세라믹 콘덴서.
  3. 제1항 또는 제2항에 있어서, 금속염은 2종이상의 금속염의 혼합물이고, 도전체는 합금으로 형성된 적층세라믹 콘덴서.
  4. 제1항 내지 제3항중 어느 한 항에 있어서, 금속염은 팔라듐염, 은염, 니켈염 및 구리염으로부터 선택된 적어도 1종인 콘덴서.
  5. 제1항 내지 제4항중 어느 한 항에 있어서, 금속염은 질산팔라듐, 질산은, 질산니켈 및 질산구리로부터 선택된 적어도 1종인 콘덴서.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930019939A 1992-10-09 1993-09-27 적층 세라믹 콘덴서 KR970004274B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP92-310734 1992-10-09
JP4310734A JP3042224B2 (ja) 1992-10-09 1992-10-09 積層セラミックコンデンサの製造方法

Publications (2)

Publication Number Publication Date
KR940010139A true KR940010139A (ko) 1994-05-24
KR970004274B1 KR970004274B1 (ko) 1997-03-26

Family

ID=18008845

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930019939A KR970004274B1 (ko) 1992-10-09 1993-09-27 적층 세라믹 콘덴서

Country Status (8)

Country Link
US (1) US5420744A (ko)
EP (1) EP0593167B1 (ko)
JP (1) JP3042224B2 (ko)
KR (1) KR970004274B1 (ko)
CN (1) CN1043447C (ko)
DE (1) DE69300962T2 (ko)
MY (1) MY108844A (ko)
TW (1) TW257871B (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19545455C1 (de) * 1995-12-06 1997-01-23 Degussa Verfahren zur Herstellung von Edelmetallpulvern
US6679937B1 (en) 1997-02-24 2004-01-20 Cabot Corporation Copper powders methods for producing powders and devices fabricated from same
US6338809B1 (en) * 1997-02-24 2002-01-15 Superior Micropowders Llc Aerosol method and apparatus, particulate products, and electronic devices made therefrom
US7625420B1 (en) 1997-02-24 2009-12-01 Cabot Corporation Copper powders methods for producing powders and devices fabricated from same
US6159267A (en) * 1997-02-24 2000-12-12 Superior Micropowders Llc Palladium-containing particles, method and apparatus of manufacture, palladium-containing devices made therefrom
US6699304B1 (en) 1997-02-24 2004-03-02 Superior Micropowders, Llc Palladium-containing particles, method and apparatus of manufacture, palladium-containing devices made therefrom
JP3475749B2 (ja) * 1997-10-17 2003-12-08 昭栄化学工業株式会社 ニッケル粉末及びその製造方法
US20050097987A1 (en) * 1998-02-24 2005-05-12 Cabot Corporation Coated copper-containing powders, methods and apparatus for producing such powders, and copper-containing devices fabricated from same
US6106614A (en) * 1998-10-15 2000-08-22 Starmet Corp Method and apparatus for fabricating near spherical semiconductor single crystal particulate and the spherical product produced
DE19912733A1 (de) 1999-03-20 2000-09-21 Degussa Verfahren zur Herstellung von Wasserstoffperoxid durch Direktsynthese
JP3812523B2 (ja) * 2002-09-10 2006-08-23 昭栄化学工業株式会社 金属粉末の製造方法
JP4631342B2 (ja) * 2004-07-28 2011-02-16 株式会社デンソー 積層型圧電体素子の製造方法
CN101752081B (zh) * 2008-12-02 2011-12-07 华为技术有限公司 一种陶瓷电容

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663667A (en) * 1970-02-13 1972-05-16 Sylvania Electric Prod Process for producing metal powders
US3763409A (en) * 1972-04-20 1973-10-02 Du Pont Capacitor with copper containing electrode
US3815187A (en) * 1972-07-12 1974-06-11 Union Carbide Corp Process for making ceramic capacitors
GB1461176A (en) * 1974-04-11 1977-01-13 Plessey Inc Method of producing powdered materials
GB2133623A (en) * 1982-12-20 1984-07-25 Engelhard Ind Ltd Ceramic multilayer electrical capacitors
JPS621807A (ja) * 1985-06-26 1987-01-07 Shoei Kagaku Kogyo Kk 金属粉末の製造方法
JPS6331522A (ja) * 1986-07-25 1988-02-10 Kao Corp 吸湿剤
US4778517A (en) * 1987-05-27 1988-10-18 Gte Products Corporation Hydrometallurgical process for producing finely divided copper and copper alloy powders
JPH0676609B2 (ja) * 1988-08-24 1994-09-28 川崎製鉄株式会社 銅微粉の製造方法
JPH0359905A (ja) * 1989-07-28 1991-03-14 Nippon Shokubai Kagaku Kogyo Co Ltd 導電性球状微粒子、その製法およびそれを含む導電性ペースト
JPH0368484A (ja) * 1989-08-08 1991-03-25 Shinji Hasegawa 排水管の清掃工法

Also Published As

Publication number Publication date
EP0593167B1 (en) 1995-12-06
TW257871B (ko) 1995-09-21
DE69300962D1 (de) 1996-01-18
CN1086628A (zh) 1994-05-11
DE69300962T2 (de) 1996-08-01
CN1043447C (zh) 1999-05-19
KR970004274B1 (ko) 1997-03-26
JPH06124847A (ja) 1994-05-06
EP0593167A1 (en) 1994-04-20
US5420744A (en) 1995-05-30
MY108844A (en) 1996-11-30
JP3042224B2 (ja) 2000-05-15

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