KR960703824A - 자성유전체 세라믹 복합재료, 그 제조방법, 그 사용법 및 다기능성 소자 (Magnetodielectric ceramic composite material, method of manufacturing same, application, and a multifunctional component) - Google Patents

자성유전체 세라믹 복합재료, 그 제조방법, 그 사용법 및 다기능성 소자 (Magnetodielectric ceramic composite material, method of manufacturing same, application, and a multifunctional component) Download PDF

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KR960703824A
KR960703824A KR1019960700706A KR19960700706A KR960703824A KR 960703824 A KR960703824 A KR 960703824A KR 1019960700706 A KR1019960700706 A KR 1019960700706A KR 19960700706 A KR19960700706 A KR 19960700706A KR 960703824 A KR960703824 A KR 960703824A
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composite material
ceramic composite
dielectric ceramic
oxide
magnetic dielectric
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마욱조크 뤼드거
판케르트 조세프
자스팔리스 바실리오스
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제이.지.에이. 롤페스
필립스 일렉트로닉스 엔. 브이.
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/342—Oxides
    • H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • 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
    • C04B35/26—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 ferrites
    • 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
    • C04B35/26—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 ferrites
    • C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
    • H01F1/37—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Inorganic Insulating Materials (AREA)

Abstract

하나 이상의 자성 페라이트를 포함하는 제1상과 납(Ⅱ) 산화물, 비스무쓰(Ⅲ) 산화물 및 선택적으로 붕소(Ⅲ) 산화물로 특징되는 전기 절연 산화물을 포함하는 제2연속상으로 구성되는 자성유전체 세라믹 물질이 계면층의 향상된 구조로 특징 지워진다. 상기 복합 재료는 주파수 선택 소자와 높은 초기 투자율 및 1∼200㎒ 범위의 높은 임계 주파수 소자를 가지는 광대역 전송 소자의 제조에 매우 적하하게 사용될 수 있고, 모노리틱 다기능 소자의 제조에 매우 적합하게 사용될 수 있다. 상기 복합 재료의 간단한 제조 방법을 설명한다.

Description

자성유전체 세라믹 복합재료, 그 제조방법, 그 사용법 및 다기능성 소자 (Magnetodielectric ceramic composite material, method of manufacturing same, application, and a multifunctional component)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 자성 유전체 복합 재료의 미세구조를 도시하는 개략도,
제2도는 본 발명의 복합 재료 제조에 사용되는 스티핑(steeping) 공정을 도시하는 개략도,
제3도는 본 발명에 의한 복합 재료의 제조에서 덮어씌우기(overlay) 및 아래깔기(underlay) 함침 공정을 도시하는 개략도.

Claims (15)

  1. 하나 이상의 자성 페라이트를 가지는 제1분상상과 전기 전열 산화물을 가진 제2연속상으로 구성되는 자성 유전체 세라믹 복합 재료에 있어서, 상기 전기 절연 산화물은 납(Ⅱ) 산화물, 비스무쓰(Ⅲ) 산화물 및 선택적으로 붕소(Ⅲ) 산화물인 것을 특징으로 하는 자성 유전체 세라믹 복합 재료.
  2. 제1항에 있어서, 전기 절연체인 납(Ⅱ) 산화물, 비스무쓰(Ⅲ) 산화물, 및 붕소(Ⅲ) 산화물의 물 질량비가 30＜몰% PbO＜80, 0＜몰% Bi2O3＜40, 0≤몰% B2O|3＜30인 것을 특징으로 하는 자성 유전체 세라믹 복합 재료.
  3. 제1항 및 제2항에 있어서, 상기 전기 절연 산화물은 납(Ⅱ) 산화물과 비스무쓰(Ⅲ) 산화물의 공정 혼합물(eutectic mixture)로 이루어진 것을 특징으로 하는 자성 유전체 세라믹 복합 재료.
  4. 제1항 및 제2항에 있어서, 상기 전기 절연 산화물은 납(Ⅱ) 산화물, 비스무쓰(Ⅲ) 산화물 및 붕소(Ⅲ) 산화물의 공정 혼합물로 이루어지는 것을 특징으로 하는 자성 유전체 세라믹 복합 재료.
  5. 제1항 내지 제4항에 있어서, 상기 페라이트는 스피넬 구조를 가지는 입방 페라이트인 것을 특징으로 하는 자성 유전체 세라믹 복합 재료.
  6. 제1항 내지 제5항에 있어서, 상기 페라이트는 스피넬 구조를 가지는 Mn-Zn-페라이트인 것을 특징으로 하는 자성 유전체 세라믹 복합 재료.
  7. 제1항 내지 제6항에 있어서, 제1분산상이 1∼50㎛ 범위의 입자 크기를 가지는 단일 분산 결정으로 이루어 지는 것을 특징으로 하는 자성 유전체 세라믹 복합 재료.
  8. 제1항 내지 제7항에 있어서, 제1분산상이 5∼15㎛ 범위의 입자 크기를 가지는 단일 분산 결정으로 이루어 지는 것을 특징으로 하는 자성 유전체 세라믹 복합 재료.
  9. 제1항 내지 제8항에 있어서, 0.5∼10중량%의 전기 절연 산화물을 포함하는 것을 특징으로 하는 자성 유전체 세라믹 복합 재료.
  10. 제1항 내지 제9항에 있어서, 1∼3중량%의 전기 절연 산화물을 포함하는 것을 특징으로 하는 자성 유전체 세라믹 복합 재료.
  11. 제1항 내지 11항에서 청구된 바와 같은 자성 유전체 세라믹 복합 재료의 제조를 위한 소결-함침 방법에 있어서, 하나 이상의 자성 페라이트로 구성되는 다공질 소결 세라믹 성형체가 PbO, Bi2O3및 선택적으로 B2O3를 포함하는 용융상에 함침되는 것을 특징으로 하는 자성 유전체 세라믹 복합재료의 제조를 위한 소결-함침 방법.
  12. 제11항에 있어서, 상기 함침 방법이 500∼600℃ 범위의 온도에서 수행되는 것을 특징으로 하는 자성 유전체 세라믹 복합 재료의 제조 방법.
  13. 제12항에 있어서, 상기 함침 방법에 연이어서 600∼900℃에서 1∼30시간 동안 템퍼링 처리가 수행되는 것을 특징으로 하는 자성 유전체 세라믹 복합 재료의 제조 방법.
  14. 제1항 내지 제10항의 자성 유전체 세라믹 복합재료의 사용으로 전자 소자를 제조하는 것을 특징으로 하는 자성 유전체 세라믹 복합 재료의 사용법.
  15. 제1항 내지 제12항에서 청구된 바와 같은 자성 유전체 세라믹 복합 재료를 구비하는 모노리틱 다기능 전자소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960700706A 1994-06-08 1995-06-07 자성 유전체 세라믹 복합재료 및 그 제조방법과 사용법 및 다기능성 소자 KR100373943B1 (ko)

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DEP4420029.3 1994-06-08
DE4420029A DE4420029A1 (de) 1994-06-08 1994-06-08 Magnetodielektrischer keramischer Verbundwerkstoff, Verfahren zu seiner Herstellung, Verwendung und multifunktionales Bauelement

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US (1) US5817250A (ko)
EP (1) EP0724549B1 (ko)
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US20030099626A1 (en) * 2001-11-20 2003-05-29 Health Education Corporation Nutrient absorption enhancing compositions and methods
JP3841100B2 (ja) * 2004-07-06 2006-11-01 セイコーエプソン株式会社 電子装置および無線通信端末
US7573431B2 (en) * 2006-02-13 2009-08-11 Harris Corporation Broadband polarized antenna including magnetodielectric material, isoimpedance loading, and associated methods
KR101045514B1 (ko) * 2008-10-01 2011-06-30 주식회사 이엠따블유 Ｒｆ용 전자부품을 소결하여 제조하는 방법
DE102015220337A1 (de) * 2015-10-19 2017-04-20 Robert Bosch Gmbh Gebundener Magnet, Verfahren zu dessen Herstellung und elektrische Maschine
JP6921085B2 (ja) * 2015-12-22 2021-08-18 サーマツール コーポレイション ワークピース加熱用の微調整された出力を有する高周波電源システム
US20220028595A1 (en) * 2018-11-16 2022-01-27 Lg Innotek Co., Ltd. Magnetic core using composite material
CN111153692A (zh) * 2019-12-31 2020-05-15 天长市中德电子有限公司 一种高Bs低损耗铁氧体
CN114685153B (zh) * 2022-03-30 2022-12-16 电子科技大学 宽温宽频MnZn功率铁氧体材料及制备方法

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GB2045540B (en) * 1978-12-28 1983-08-03 Tdk Electronics Co Ltd Electrical inductive device
FR2645850A1 (fr) * 1989-04-17 1990-10-19 Commissariat Energie Atomique Composition ceramique dielectrique a base de ferrite et son procede de fabrication

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WO1995033699A1 (en) 1995-12-14
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DE4420029A1 (de) 1995-12-14
DE69531984D1 (de) 2003-11-27
US5817250A (en) 1998-10-06
EP0724549A1 (en) 1996-08-07
JPH09501397A (ja) 1997-02-10
DE69531984T2 (de) 2004-07-29

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