KR20020032326A - 유전체 세라믹, 유전체 세라믹의 생산 공정 및 다층세라믹 커패시터 - Google Patents
유전체 세라믹, 유전체 세라믹의 생산 공정 및 다층세라믹 커패시터 Download PDFInfo
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- 229910052771 Terbium Inorganic materials 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 229910052735 hafnium Inorganic materials 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
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- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
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- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 150000002739 metals Chemical class 0.000 description 2
- 150000002843 nonmetals Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
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- 229910052709 silver Inorganic materials 0.000 description 2
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- 101000939676 Androctonus crassicauda Toxin a Proteins 0.000 description 1
- -1 Dy 2 O 3 Inorganic materials 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052789 astatine Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
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- 235000006408 oxalic acid Nutrition 0.000 description 1
- QKKWJYSVXDGOOJ-UHFFFAOYSA-N oxalic acid;oxotitanium Chemical compound [Ti]=O.OC(=O)C(O)=O QKKWJYSVXDGOOJ-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 description 1
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- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Classifications
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- 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
- H01G4/018—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
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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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- C04B35/465—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
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- 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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- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
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- H01G4/002—Details
- H01G4/018—Dielectrics
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- H01G4/12—Ceramic dielectrics
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
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Abstract
Description
Claims (20)
- 사이사이에 경계면들을 구성하는 입자 경계들을 가진 ABO3의 결정 입자들; 및부성분들 R 및 M;을 포함하고,A는 Ba, Sr, Ca 및 그들의 조합들로 구성된 군(group)에서부터 선택되고, B는 Ti, Zr, Hf 및 그들의 조합들로 구성된 군에서 선택되며,R은 La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y 및 그들의 조합들로 구성된 군에서 선택되고, M은 Ni, Co, Fe, Cr, Mn 및 그들의 조합들로 구성된 군에서 선택되며,상기 입자 경계들은 복수개의 상기 결정 입자들의 각각의 주위를 거의 동일하게 분할하는 4개의 점들에서 분석될 때, 상기 R과 상기 M은 상기 각 4개의 점들의 합의 약 70% 이상에서 존재하는 것을 특징으로 하는 유전체 세라믹.
- 제 1항에 있어서, 상기 A는 Ba를 포함하고, 상기 B는 Ti를 포함하는 것을 특징으로 하는 유전체 세라믹.
- 제 2항에 있어서, 상기 R은 Sm, Dy, Ho, Er, Tm, Yb, Y 및 그들의 조합들로 구성된 군에서 선택되는 것을 특징으로 하는 유전체 세라믹.
- 제 3항에 있어서, B는 Ti인 것을 특징으로 하는 유전체 세라믹.
- 제 1항에 있어서, R 및 M의 양은 ABO3100몰당 약 5몰 이하인 것을 특징으로 하는 유전체 세라믹.
- 사이사이에 경계면들을 구성하는 입자 경계들을 가진 ABO3결정 입자들; 및부성분들 R, M 및 Si;을 포함하고,A는 Ba, Sr, Ca 및 그들의 조합들로 구성된 군에서부터 선택되고, B는 Ti, Zr, Hf 및 그들의 조합들로 구성된 군에서 선택되며,R은 La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y 및 그들의 조합들로 구성된 군에서 선택되고, M은 Ni, Co, Fe, Cr, Mn 및 그들의 조합들로 구성된 군에서 선택되며,상기 입자 경계들은 복수개의 상기 결정 입자들의 각각의 주위를 거의 동일하게 분할하는 4개의 점들에서 분석될 때, R, M 및 Si는 상기 각 4개의 점들의 합의 약 70% 이상에서 존재하는 것을 특징으로 하는 유전체 세라믹.
- 제 6항에 있어서, 상기 A는 Ba를 포함하고, 상기 B는 Ti를 포함하는 것을 특징으로 하는 유전체 세라믹.
- 제 7항에 있어서, 상기 R은 Sm, Dy, Ho, Er, Tm, Yb, Y 및 그들의 조합들로 구성된 군에서 선택되는 것을 특징으로 하는 유전체 세라믹.
- 제 8항에 있어서, B는 Ti인 것을 특징으로 하는 유전체 세라믹.
- 제 6항에 있어서, R, M, 및 Si의 양은 ABO3100몰당 약 5몰 이하인 것을 특징으로 하는 유전체 세라믹.
- A는 Ba, Sr, Ca 및 그들의 조합들로 구성된 군에서부터 선택되고, 상기 B는 Ti, Zr, Hf 및 그들의 조합들로 구성된 군에서 선택되는, ABO3분말을 제공하는 단계;R은 La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y 및 그들의 조합들로 구성된 군에서 선택되고, M은 Ni, Co, Fe, Cr, Mn 및 그들의 조합들로 구성된 군에서 선택되는, R 함유 화합물과 M 함유 화합물의 혼합물을 하소하고 분쇄한 하소된 부성분 분말을 제공하는 단계;상기 ABO3분말과 상기 하소된 부성분 분말을 혼합하여, 얻어진 혼합물로 그린 컴팩트(green compact)를 생성하는 단계; 및상기 그린 컴팩트를 소성하는 단계; 를 포함하는 것을 특징으로 하는 유전체세라믹의 생산 공정.
- 제 11항에 있어서, A는 Ba를 포함하고, B는 Ti를 포함하는 것을 특징으로 하는 유전체 세라믹의 생산 공정.
- 제 11항에 있어서, R과 M의 양은 ABO3100몰당 약 5몰 이하인 것을 특징으로 하는 유전체 세라믹의 생산 공정.
- 제 11항에 있어서, 상기 ABO3분말은 약 0.05 ~ 0.7㎛의 평균 입자 크기를 갖는 것을 특징으로 하는 유전체 세라믹의 생산 공정.
- 제 11항에 있어서, 상기 하소된 부성분 분말은 Si 함유 화합물을 더 포함하는 것을 특징으로 하는 유전체 세라믹의 생산 공정.
- 제 15항에 있어서, A는 Ba를 포함하고, B는 Ti를 포함하는 것을 특징으로 하는 유전체 세라믹의 생산 공정.
- 제 15항에 있어서, R, M, 및 Si의 양은 ABO3100몰당 대략 5몰 이하인 것을 특징으로 하는 유전체 세라믹의 생산 공정.
- 제 15항에 있어서, 상기 ABO3분말은 양 0.05㎛ ~ 0.7㎛의 평균 입자 크기를 갖는 것을 특징으로 하는 유전체 세라믹의 생산 공정.
- 복수개의 유전체 세라믹층, 내부 전극들 및 외부 전극들을 구비하며, 외면들을 가지고 있는 적층체를 포함하는 다층 세라믹 커패시터에 있어서,상기 유전체 세라믹층들은 서로 적층되고,상기 내부 전극들은 상기 유전체 세라믹층들 사이의 경계면에 있고,상기 외부 전극들은 상기 소정의 내부 전극들에 전기적으로 접속하도록 상기 적층체의 외면들에 있으며,상기 유전체 세라믹층들은 청구항 6에 기재된 유전체 세라믹을 포함하고,상기 내부 전극들은 비금속을 포함하는 것을 특징으로 하는 다층 세라믹 커패시터.
- 복수개의 유전체 세라믹층, 내부 전극들 및 외부 전극들을 구비하며, 외면들을 가지고 있는 적층체를 포함하는 다층 세라믹 커패시터에 있어서,상기 유전체 세라믹층들은 서로 적층되고,상기 내부 전극들은 상기 유전체 세라믹층들 사이의 경계면에 있고,상기 외부 전극들은 상기 소정의 내부 전극들에 전기적으로 접속하도록 상기적층체의 외면들에 있으며,상기 유전체 세라믹층들은 청구항 1에 기재된 유전체 세라믹을 포함하고,상기 내부 전극들은 비금속을 포함하는 것을 특징으로 하는 다층 세라믹 커패시터.
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KR20140129088A (ko) * | 2012-03-30 | 2014-11-06 | 다이요 유덴 가부시키가이샤 | 적층 세라믹 콘덴서 |
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Cited By (2)
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KR100691248B1 (ko) * | 2005-04-15 | 2007-03-12 | 성균관대학교산학협력단 | 다층 세라믹 커패시터의 재료로 사용하기 위한 전극용페이스트 및 이를 사용하여 전극을 제조하는 방법 |
KR20140129088A (ko) * | 2012-03-30 | 2014-11-06 | 다이요 유덴 가부시키가이샤 | 적층 세라믹 콘덴서 |
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GB0124851D0 (en) | 2001-12-05 |
US6620753B2 (en) | 2003-09-16 |
FR2815630B1 (fr) | 2006-02-17 |
JP2002201065A (ja) | 2002-07-16 |
GB2369354A (en) | 2002-05-29 |
CN1350312A (zh) | 2002-05-22 |
US20020072464A1 (en) | 2002-06-13 |
KR100406818B1 (ko) | 2003-11-21 |
JP4392821B2 (ja) | 2010-01-06 |
GB2369354B (en) | 2003-03-05 |
FR2815630A1 (fr) | 2002-04-26 |
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