WO2012074238A3 - 와이형 페라이트 및 이로 제조된 페라이트 성형체 - Google Patents

와이형 페라이트 및 이로 제조된 페라이트 성형체 Download PDF

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WO2012074238A3
WO2012074238A3 PCT/KR2011/008922 KR2011008922W WO2012074238A3 WO 2012074238 A3 WO2012074238 A3 WO 2012074238A3 KR 2011008922 W KR2011008922 W KR 2011008922W WO 2012074238 A3 WO2012074238 A3 WO 2012074238A3
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ferrite
molded product
product prepared
prepared therefrom
type
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PCT/KR2011/008922
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French (fr)
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WO2012074238A2 (ko
WO2012074238A9 (ko
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류병훈
성원모
금준식
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주식회사 이엠따블유
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Publication of WO2012074238A2 publication Critical patent/WO2012074238A2/ko
Publication of WO2012074238A3 publication Critical patent/WO2012074238A3/ko
Publication of WO2012074238A9 publication Critical patent/WO2012074238A9/ko

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    • C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
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Abstract

본 발명은 와이형 페라이트 및 이로 제조된 페라이트 성형체에 관한 것으로서, 보다 상세하게는 하기 화학식 1로 표시되도록 구성됨으로써 1㎓ 이상의 고주파수 대역에서 높은 투자율과 낮은 투자손실을 가져 각종 전자기기의 자성 재료로 적용 시 상기 전자기기의 소형화 및 광대역화를 달성할 수 있는 와이형 페라이트 및 이로 제조된 페라이트 성형체에 관한 것이다: [화학식 1] Ba2CoaZnbCucMndFe12O22 (식 중, a, b, c 및 d는 양수이며, 1.8 ≤ a + b + c + d ≤ 2.2임).
PCT/KR2011/008922 2010-12-03 2011-11-22 와이형 페라이트 및 이로 제조된 페라이트 성형체 WO2012074238A2 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0122648 2010-12-03
KR1020100122648A KR101282194B1 (ko) 2010-12-03 2010-12-03 Ｙ형 페라이트 및 이로 제조된 페라이트 성형체

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WO2012074238A2 WO2012074238A2 (ko) 2012-06-07
WO2012074238A3 true WO2012074238A3 (ko) 2012-07-26
WO2012074238A9 WO2012074238A9 (ko) 2012-08-16

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Publication number Priority date Publication date Assignee Title
KR100426100B1 (ko) * 2001-10-18 2004-04-06 삼성전자주식회사 전자책/휴대용 단말기 복합장치
KR20130076427A (ko) * 2011-12-28 2013-07-08 삼성전자주식회사 자성체 및 이를 채용한 복합 안테나 재료

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2002260914A (ja) * 2001-03-01 2002-09-13 Tdk Corp 磁性酸化物焼結体およびこれを用いた高周波回路部品
KR20070107654A (ko) * 2004-12-17 2007-11-07 히타치 긴조쿠 가부시키가이샤 육방정 페라이트 및 그것을 이용한 안테나 및 통신 기기

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Publication number Priority date Publication date Assignee Title
JPH09124322A (ja) * 1995-10-30 1997-05-13 Tokin Corp 軟磁性六方晶フェライト粉末の製造方法、それを用いた焼結体および電波吸収体
JP4068297B2 (ja) 2000-11-21 2008-03-26 独立行政法人科学技術振興機構 Ｙ型六方晶系フェライト薄膜およびその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002260914A (ja) * 2001-03-01 2002-09-13 Tdk Corp 磁性酸化物焼結体およびこれを用いた高周波回路部品
KR20070107654A (ko) * 2004-12-17 2007-11-07 히타치 긴조쿠 가부시키가이샤 육방정 페라이트 및 그것을 이용한 안테나 및 통신 기기

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BAI, Y. ET AL.: "Effect of Mn Doping on Physical Properties of Y-type Hexagonal Ferrite.", J. ALLOYS COMPDS., vol. 473, 2009, pages 505 - 508 *
IQBAL, M. J. ET AL.: "Physical and Electrical Properties ofNanosized Mn-and Cr-Doped Strontium Y-type Hexagonal Ferrites.", J. AM. CERAM. SOC., vol. 93, February 2010 (2010-02-01), pages 474 - 480 *

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KR20120061358A (ko) 2012-06-13
KR101282194B1 (ko) 2013-07-04
WO2012074238A2 (ko) 2012-06-07
WO2012074238A9 (ko) 2012-08-16

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