JP2017034228A - 磁性粉末及びそれを含むコイル電子部品 - Google Patents
磁性粉末及びそれを含むコイル電子部品 Download PDFInfo
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- JP2017034228A JP2017034228A JP2016096444A JP2016096444A JP2017034228A JP 2017034228 A JP2017034228 A JP 2017034228A JP 2016096444 A JP2016096444 A JP 2016096444A JP 2016096444 A JP2016096444 A JP 2016096444A JP 2017034228 A JP2017034228 A JP 2017034228A
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- 239000006247 magnetic powder Substances 0.000 title claims abstract description 52
- 239000002923 metal particle Substances 0.000 claims abstract description 37
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 11
- 239000011574 phosphorus Substances 0.000 claims abstract description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 8
- 229910017144 Fe—Si—O Inorganic materials 0.000 claims 2
- 239000010410 layer Substances 0.000 description 84
- 239000000463 material Substances 0.000 description 26
- 239000011521 glass Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 239000000843 powder Substances 0.000 description 7
- 239000010949 copper Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910008423 Si—B Inorganic materials 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
-
- 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
- H01F2017/048—Fixed inductances of the signal type with magnetic core with encapsulating core, e.g. made of resin and magnetic powder
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Soft Magnetic Materials (AREA)
- Manufacturing & Machinery (AREA)
Abstract
【解決手段】本発明の一実施形態は、磁性金属粒子と、上記磁性金属粒子の表面に配置され、シリコン(Si)及び酸素(O)を含む第1絶縁層と、上記第1絶縁層上に配置され、リン(P)を含む第2絶縁層と、を含む磁性粉末を提供する。
【選択図】図1
Description
図1は本発明の一実施形態による磁性粉末の一粒子を示す一部の切断斜視図である。
図3は本発明の一実施形態のコイル電子部品において内部に配置されたコイル部が現れるように示す概略斜視図であり、図4は図3に示されたA−A'線に沿った断面図である。
2 第1絶縁層
3 第2絶縁層
10 磁性粉末
100 コイル電子部品
20 基材層
40 コイル部
41、42 第1及び第2コイルパターン
50 本体
55 コア部
80 外部電極
Claims (18)
- 磁性金属粒子と、
前記磁性金属粒子の表面に配置され、シリコン(Si)及び酸素(O)を含む第1絶縁層と、
前記第1絶縁層上に配置され、リン(P)を含む第2絶縁層と、を含む、磁性粉末。 - 前記磁性金属粒子は鉄(Fe)または鉄(Fe)系合金である、請求項1に記載の磁性粉末。
- 前記磁性金属粒子と前記第1絶縁層との界面にはFe−Si−Oの結合が存在する、請求項2に記載の磁性粉末。
- 前記第1絶縁層の厚さは30nm以下である、請求項1〜3のいずれか一項に記載の磁性粉末。
- 前記第2絶縁層の厚さは30nm以下である、請求項1〜4のいずれか一項に記載の磁性粉末。
- 前記磁性金属粒子の粒径は1μm〜100μmである、請求項1〜5のいずれか一項に記載の磁性粉末。
- 前記第1絶縁層及び第2絶縁層は互いに異なる比抵抗値を有する、請求項1〜6のいずれか一項に記載の磁性粉末。
- 前記磁性金属粒子は、前記第1絶縁層によって完全に取り囲まれ、前記第1絶縁層は前記第2絶縁層によって完全に取り囲まれる、請求項1〜7のいずれか一項に記載の磁性粉末。
- 前記第2絶縁層は、シリコン(Si)及び酸素(O)をさらに含む、請求項1〜8のいずれか一項に記載の磁性粉末。
- 内部にコイル部が配置され、磁性粉末を含む本体と、
前記コイル部と連結される外部電極と、を含み、
前記本体は磁性粉末を含み、
前記磁性粉末は、磁性金属粒子と、前記磁性金属粒子の表面に配置され、シリコン(Si)及び酸素(O)を含む第1絶縁層と、前記第1絶縁層上に配置され、リン(P)を含む第2絶縁層と、を含む、コイル電子部品。 - 前記磁性金属粒子は鉄(Fe)または鉄(Fe)系合金である、請求項10に記載のコイル電子部品。
- 前記磁性金属粒子と前記第1絶縁層との界面にはFe−Si−Oの結合が存在する、請求項11に記載のコイル電子部品。
- 前記第1絶縁層の厚さは30nm以下である、請求項10〜12のいずれか一項に記載のコイル電子部品。
- 前記第2絶縁層の厚さは30nm以下である、請求項10〜13のいずれか一項に記載のコイル電子部品。
- 前記磁性金属粒子の粒径は1μm〜100μmである、請求項10〜14のいずれか一項に記載のコイル電子部品。
- 前記第1絶縁層及び第2絶縁層は互いに異なる比抵抗値を有する、請求項10〜15のいずれか一項に記載のコイル電子部品。
- 前記磁性金属粒子は、前記第1絶縁層によって完全に取り囲まれ、前記第1絶縁層は前記第2絶縁層によって完全に取り囲まれる、請求項10〜16のいずれか一項に記載のコイル電子部品。
- 前記第2絶縁層は、シリコン(Si)及び酸素(O)をさらに含む、請求項10〜17のいずれか一項に記載のコイル電子部品。
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KR1020150108681A KR102105390B1 (ko) | 2015-07-31 | 2015-07-31 | 자성 분말 및 이를 포함하는 코일 전자부품 |
KR10-2015-0108681 | 2015-07-31 |
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JP2017034228A true JP2017034228A (ja) | 2017-02-09 |
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Country Status (3)
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US (1) | US9892833B2 (ja) |
JP (1) | JP2017034228A (ja) |
KR (1) | KR102105390B1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200115164A (ko) | 2019-03-28 | 2020-10-07 | 티디케이가부시기가이샤 | 연자성 금속 분말 및 자성 부품 |
JP2021027326A (ja) * | 2019-07-31 | 2021-02-22 | Tdk株式会社 | 軟磁性金属粉末及び電子部品 |
US11739403B2 (en) | 2019-03-28 | 2023-08-29 | Tdk Corporation | Soft magnetic metal powder and magnetic component |
US11804317B2 (en) | 2019-07-31 | 2023-10-31 | Tdk Corporation | Soft magnetic metal powder and electronic component |
US11993833B2 (en) | 2019-07-31 | 2024-05-28 | Tdk Corporation | Soft magnetic metal powder comprising a metal oxide covering, and electronic component |
Families Citing this family (6)
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KR101659216B1 (ko) * | 2015-03-09 | 2016-09-22 | 삼성전기주식회사 | 코일 전자부품 및 그 제조방법 |
JP6443269B2 (ja) * | 2015-09-01 | 2018-12-26 | 株式会社村田製作所 | 磁心及びその製造方法 |
CN109791829A (zh) * | 2018-05-22 | 2019-05-21 | 深圳顺络电子股份有限公司 | 一体成型电感元件及其制造方法 |
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 |
KR102146801B1 (ko) * | 2018-12-20 | 2020-08-21 | 삼성전기주식회사 | 코일 전자 부품 |
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- 2016-05-09 US US15/149,858 patent/US9892833B2/en active Active
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20200115164A (ko) | 2019-03-28 | 2020-10-07 | 티디케이가부시기가이샤 | 연자성 금속 분말 및 자성 부품 |
US11739403B2 (en) | 2019-03-28 | 2023-08-29 | Tdk Corporation | Soft magnetic metal powder and magnetic component |
JP2021027326A (ja) * | 2019-07-31 | 2021-02-22 | Tdk株式会社 | 軟磁性金属粉末及び電子部品 |
US11804317B2 (en) | 2019-07-31 | 2023-10-31 | Tdk Corporation | Soft magnetic metal powder and electronic component |
US11993833B2 (en) | 2019-07-31 | 2024-05-28 | Tdk Corporation | Soft magnetic metal powder comprising a metal oxide covering, and electronic component |
JP7509572B2 (ja) | 2019-07-31 | 2024-07-02 | Tdk株式会社 | 軟磁性金属粉末及び電子部品 |
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US20170032880A1 (en) | 2017-02-02 |
KR20170014790A (ko) | 2017-02-08 |
US9892833B2 (en) | 2018-02-13 |
KR102105390B1 (ko) | 2020-04-28 |
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