KR101983184B1 - 자성체 조성물 및 이를 포함하는 인덕터 - Google Patents
자성체 조성물 및 이를 포함하는 인덕터 Download PDFInfo
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- KR101983184B1 KR101983184B1 KR1020160119972A KR20160119972A KR101983184B1 KR 101983184 B1 KR101983184 B1 KR 101983184B1 KR 1020160119972 A KR1020160119972 A KR 1020160119972A KR 20160119972 A KR20160119972 A KR 20160119972A KR 101983184 B1 KR101983184 B1 KR 101983184B1
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- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 61
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- 239000000843 powder Substances 0.000 description 10
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- 230000035699 permeability Effects 0.000 description 8
- 239000010949 copper Substances 0.000 description 7
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- 239000011135 tin Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 5
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- 230000001419 dependent effect Effects 0.000 description 4
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- 229920001721 polyimide Polymers 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
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- 229910008458 Si—Cr Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
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- 239000003365 glass fiber Substances 0.000 description 2
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- 229910000859 α-Fe Inorganic materials 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- 239000010703 silicon Substances 0.000 description 1
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- 238000004804 winding Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- 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
-
- 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
- H01F1/147—Alloys characterised by their composition
- H01F1/14708—Fe-Ni based alloys
-
- 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
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F2017/0053—Printed inductances with means to reduce eddy currents
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Coils Or Transformers For Communication (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
도 2는 도 1의 Ⅰ-Ⅰ' 방향의 절단면을 개략적으로 도시한 것으로, 본 발명의 일 실시 예에 따른 인덕터의 단면도를 개략적으로 나타낸 것이다.
도 3은 도 2의 A부분의 확대도를 개략적으로 나타낸 것이다.
도 4는 제3 금속 자성 입자의 함량에 따른 인덕터의 바디의 단면 구조를 나타낸 주사전자현미경 사진(scanning electron microscope;SEM)이다.
도 5는 제3 금속 자성 입자의 함량에 따른 인덕터의 주파수에 따른 Q 값의 변화를 나타낸 그래프이다.
구분 | 제3 금속 자성 입자의 함량(중량%) | 표준(ref.:100%) 대비 인덕턴스 변화율(%) |
1* | 0 | 100 |
2 | 5 | 120~124 |
3 | 10 | 143~148 |
4 | 15 | 160~165 |
5 | 20 | 175~185 |
6* | 25 | 170~179 |
7* | 30 | 158~172 |
8* | 35 | 148~165 |
41: 제1 코일 패턴 42: 제2 코일패턴
45: 비아 50: 바디
55: 코어부 60: 수지
61: 제1 금속 자성 입자 62: 제2 금속 자성 입자
65: 제3 금속 자성 입자 81, 82: 제1 및 제2 외부전극
Claims (15)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 금속 자성 입자를 포함하는 바디; 및
상기 바디 내에 배치된 코일부를 포함하며,
상기 금속 자성 입자는 평균 입경이 10 내지 28 μm인 제1 금속 자성 입자, 평균 입경이 1 내지 4.5μm인 제2 금속 자성 입자, 및 표면에 형성된 절연막을 포함하며 입경이 300nm 이하인 제3 금속 자성 입자를 포함하며,
상기 절연막은 상기 제3 금속 자성 입자의 표면에 형성된 FeO층, 상기 FeO층을 커버하는 CrO층 및 상기 CrO층을 커버하는 SiO층을 포함하는 인덕터.
- 제8항에 있어서,
상기 금속 자성 입자 100 중량%에 있어서,
상기 제1 금속 자성 입자의 함량은 70 내지 79중량%, 상기 제2 금속 자성 입자의 함량은 10 내지 20 중량%, 및 상기 제3 금속 자성 입자의 함량은 1 내지 20 중량%를 만족하는 인덕터.
- 삭제
- 삭제
- 제8항에 있어서,
상기 절연막의 두께는 상기 제3 금속 자성 입자의 입경의 1~20%인 인덕터.
- 제8항에 있어서,
상기 금속 자성 입자는 철(Fe), 실리콘(Si), 크롬(Cr), 알루미늄(Al) 및 니켈(Ni)로 이루어진 군에서 선택된 어느 하나 이상을 포함한 인덕터.
- 제8항에 있어서,
상기 바디는 수지를 포함하며,
상기 금속 자성 입자는 상기 수지에 분산된 형태인 인덕터.
- 제14항에 있어서,
상기 수지는 열경화성 수지인 인덕터.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2017060429A JP6479074B2 (ja) | 2016-08-30 | 2017-03-27 | 磁性体組成物、インダクタおよび磁性体本体 |
US15/471,727 US10497505B2 (en) | 2016-08-30 | 2017-03-28 | Magnetic composition and inductor including the same |
CN201710341862.4A CN107785149B (zh) | 2016-08-30 | 2017-05-16 | 磁性组合物、包括磁性组合物的磁性主体和电感器 |
KR1020190058169A KR102427931B1 (ko) | 2016-08-30 | 2019-05-17 | 자성체 조성물 및 이를 포함하는 인덕터 |
US16/668,504 US11367558B2 (en) | 2016-08-30 | 2019-10-30 | Magnetic composition and inductor including the same |
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KR1020160110459 | 2016-08-30 |
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Families Citing this family (6)
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JP7246143B2 (ja) | 2018-06-21 | 2023-03-27 | 太陽誘電株式会社 | 金属磁性粒子を含む磁性基体及び当該磁性基体を含む電子部品 |
KR102130676B1 (ko) * | 2018-08-22 | 2020-07-07 | 삼성전기주식회사 | 코일 전자 부품 |
JP6780833B2 (ja) | 2018-08-22 | 2020-11-04 | サムソン エレクトロ−メカニックス カンパニーリミテッド. | コイル電子部品 |
JP7310220B2 (ja) | 2019-03-28 | 2023-07-19 | 株式会社村田製作所 | 複合磁性体およびこれを用いたインダクタ |
KR102293033B1 (ko) * | 2020-01-22 | 2021-08-24 | 삼성전기주식회사 | 자성 복합 시트 및 코일 부품 |
JP2022177573A (ja) * | 2021-05-18 | 2022-12-01 | Tdk株式会社 | コイル封入磁心およびコイル部品 |
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JP2008041961A (ja) * | 2006-08-07 | 2008-02-21 | Toshiba Corp | 絶縁性磁性金属粒子および絶縁性磁性材料の製造方法 |
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KR20150011168A (ko) * | 2013-07-22 | 2015-01-30 | 삼성전기주식회사 | 자성 재료, 그 제조방법 및 자성 재료를 포함하는 전자부품 |
KR20150014346A (ko) | 2013-07-29 | 2015-02-06 | 삼성전기주식회사 | 칩 전자부품 및 이의 제조방법 |
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