KR20060050839A - 세라믹 전자 부품 및 그 제조방법 - Google Patents
세라믹 전자 부품 및 그 제조방법 Download PDFInfo
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- KR20060050839A KR20060050839A KR1020050080178A KR20050080178A KR20060050839A KR 20060050839 A KR20060050839 A KR 20060050839A KR 1020050080178 A KR1020050080178 A KR 1020050080178A KR 20050080178 A KR20050080178 A KR 20050080178A KR 20060050839 A KR20060050839 A KR 20060050839A
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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
- H01G4/10—Metal-oxide 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Capacitors (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
Description
Claims (9)
- 유전체층을 가지는 세라믹 전자 부품에 있어서,상기 유전체층이, 조성식 BamTiO2 +m로 표현되고 상기 조성식중의 m이 0.995≤m≤1.010이며, Ba와 Ti와의 비가 0.995≤Ba/Ti≤1.010인 주성분과,Al의 산화물을 포함한 부성분을 함유하고,상기 Al의 산화물의 함유량이, 상기 주성분 100몰에 대해서, Al2O3환산으로 0∼4.0몰(단, 0은 포함하지 않는다)인 것을 특징으로 하는 세라믹 전자 부품.
- 제 1 항에 있어서,상기 유전체층이 편석상을 가지고, 상기 편석상에는 Al의 산화물이 함유되어 있는 것인, 세라믹 전자 부품.
- 제 1 항에 있어서,상기 유전체층 중에 있어서의 Al2O3의 분포의 검출 강도의 표준 편차 σ 및 평균 검출 강도 x에 의해, 하기 식(1)로부터 산출되는 Al2O3의 분포의 C.V.값이 100 이하인 것인, 세라믹 전자 부품.C.V.값=(검출 강도의 표준 편차 σ/평균 검출 강도 x)×100··· (1)
- 제 1 항에 있어서,상기 유전체층은,Mg0, Ca0, Ba0 및 Sr0로부터 선택되는 적어도 1종을 포함하는 제1 부성분과,산화 실리콘을 주성분으로서 포함하는 제2 부성분과,V2O5, MoO3 및 WO3로부터 선택되는 적어도 1종을 포함하는 제3 부성분과,R의 산화물(단, R는 Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb 및 Lu로부터 선택되는 적어도 1종)을 포함하는 제4 부성분을 한층 더 함유하고,상기 주성분 100몰에 대한 각 부성분의 비율이,제1 부성분: 0∼3.0몰(단, 0은 포함하지 않는다),제2 부성분: 2∼10몰,제3 부성분: 0.01∼0.5몰,제4 부성분: 0.5∼7몰(단, 제4 부성분의 몰수는, R 단독에서의 비율이다)인 것인, 세라믹 전자 부품.
- 제 4 항에 있어서,상기 유전체층은, CaZrO3 또는 CaO+ZrO2를 포함하는 제5 부성분을, 한층 더 함유하고,상기 주성분 100몰에 대한 제5 부성분의 비율이, 5몰 이하(단, 0은 포함하지 않는다)인 것인, 세라믹 전자 부품.
- 제 1 항에 있어서,-55∼+150℃에 있어서의 정전 용량의 변화율(ΔC)이 ±15% 이내인 것인, 세라믹 전자 부품.
- 유전체층을 가지는 세라믹 전자 부품에 있어서,상기 유전체층이, 조성식 BamTiO2 +m로 표현되고 상기 조성식중의 m이 O.995≤m≤1.010이며, Ba와 Ti와의 비가 0.995≤Ba/Ti≤1.010인 주성분과,Al의 산화물을 포함하는 부성분을 함유하며,상기 유전체층이 편석상을 가지고, 상기 편석상에는 A1의 산화물이 함유되어 있는 것을 특징으로 하는 세라믹 전자 부품.
- 유전체층을 가지는 세라믹 전자 부품을 제조하는 방법에 있어서,상기 유전체층을 형성하게 되는 부성분의 원료로서 최대 입자직경이 0.2∼5.1㎛의 범위에 있는 입상의 Al의 화합물을 사용하고,상기 Al의 화합물의 함유량을, 상기 주성분 100몰에 대해서, Al2O3환산으로 0∼4.0몰(단, 0은 포함하지 않는다)로 하는 것인, 세라믹 전자 부품의 제조방법.
- 유전체층을 가지는 세라믹 전자 부품을 제조하는 방법에 있어서,상기 유전체층을 형성하게 되는 부성분의 원료로서 50% 상당의 직경인 D50직경과 100% 상당의 직경인 D100직경과의 차이(D100-D50)가, 67.2㎛이하인 입상의 A1의 화합물을 사용하고,상기 Al의 화합물의 함유량을, 상기 주성분 100몰에 대해서, Al2O3환산으로 0∼4.0몰(단, 0은 포함하지 않는다)로 하는 것인, 세라믹 전자 부품의 제조방법.
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JP2004250895A JP4206062B2 (ja) | 2004-08-30 | 2004-08-30 | セラミック電子部品およびその製造方法 |
JPJP-P-2004-00250895 | 2004-08-30 |
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US (2) | US7419927B2 (ko) |
EP (1) | EP1630832A3 (ko) |
JP (1) | JP4206062B2 (ko) |
KR (1) | KR100720804B1 (ko) |
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US8088703B2 (en) | 2008-07-25 | 2012-01-03 | Samsung Electro-Mechanics Co., Ltd. | Dielectric composition and ceramic electronic component manufactured therefrom |
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JP4299759B2 (ja) * | 2004-10-12 | 2009-07-22 | Tdk株式会社 | セラミック電子部品およびその製造方法 |
JP2007331957A (ja) * | 2006-06-12 | 2007-12-27 | Tdk Corp | 誘電体磁器組成物、電子部品およびその製造方法 |
JP5144052B2 (ja) * | 2006-10-13 | 2013-02-13 | 太陽誘電株式会社 | 誘電体セラミック組成物、積層セラミックコンデンサ及びその製造方法 |
JP5321848B2 (ja) | 2010-09-30 | 2013-10-23 | 株式会社村田製作所 | 誘電体セラミック及び積層セラミックコンデンサ |
JP5939300B2 (ja) * | 2012-07-10 | 2016-06-22 | 株式会社村田製作所 | 積層セラミックコンデンサおよびその製造方法 |
CN104395977B (zh) * | 2012-07-10 | 2017-09-15 | 株式会社村田制作所 | 层叠陶瓷电容器以及其制造方法 |
CN104616891B (zh) * | 2015-02-04 | 2018-02-16 | 宁波波英电子有限公司 | 电容器 |
JP2016192477A (ja) * | 2015-03-31 | 2016-11-10 | Tdk株式会社 | 積層セラミック電子部品 |
CN105254287A (zh) * | 2015-09-29 | 2016-01-20 | 苏州宽温电子科技有限公司 | 一种纳米压电陶瓷材料及其制备方法 |
US20230080684A1 (en) * | 2021-09-14 | 2023-03-16 | Samsung Electro-Mechanics Co., Ltd. | Ceramic electronic component, method of manufacturing ceramic electronic component, and method of producing dielectric powder |
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JP4937522B2 (ja) * | 2005-04-04 | 2012-05-23 | Tdk株式会社 | 電子部品、誘電体磁器組成物およびその製造方法 |
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- 2004-08-30 JP JP2004250895A patent/JP4206062B2/ja active Active
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- 2005-08-16 TW TW094127912A patent/TWI275112B/zh active
- 2005-08-29 US US11/212,610 patent/US7419927B2/en active Active
- 2005-08-30 KR KR1020050080178A patent/KR100720804B1/ko active IP Right Grant
- 2005-08-30 EP EP05018790A patent/EP1630832A3/en not_active Withdrawn
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Cited By (1)
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US8088703B2 (en) | 2008-07-25 | 2012-01-03 | Samsung Electro-Mechanics Co., Ltd. | Dielectric composition and ceramic electronic component manufactured therefrom |
Also Published As
Publication number | Publication date |
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US20080293560A1 (en) | 2008-11-27 |
US7419927B2 (en) | 2008-09-02 |
TW200618005A (en) | 2006-06-01 |
JP2006066835A (ja) | 2006-03-09 |
EP1630832A3 (en) | 2006-04-12 |
KR100720804B1 (ko) | 2007-05-21 |
CN1760156A (zh) | 2006-04-19 |
US20060046923A1 (en) | 2006-03-02 |
CN100381393C (zh) | 2008-04-16 |
EP1630832A2 (en) | 2006-03-01 |
JP4206062B2 (ja) | 2009-01-07 |
TWI275112B (en) | 2007-03-01 |
US7550402B2 (en) | 2009-06-23 |
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