JP2019117921A - コイル部品 - Google Patents
コイル部品 Download PDFInfo
- Publication number
- JP2019117921A JP2019117921A JP2018146696A JP2018146696A JP2019117921A JP 2019117921 A JP2019117921 A JP 2019117921A JP 2018146696 A JP2018146696 A JP 2018146696A JP 2018146696 A JP2018146696 A JP 2018146696A JP 2019117921 A JP2019117921 A JP 2019117921A
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- JP
- Japan
- Prior art keywords
- coil component
- resin
- cores
- component according
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/327—Encapsulating or impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/40—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes epoxy resins
-
- 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
- H01F1/012—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials adapted for magnetic entropy change by magnetocaloric effect, e.g. used as magnetic refrigerating material
- H01F1/015—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
- H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
- H01F1/0311—Compounds
- H01F1/0313—Oxidic compounds
- H01F1/0315—Ferrites
-
- 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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
- H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
-
- 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
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15325—Amorphous metallic alloys, e.g. glassy metals containing rare earths
-
- 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
- H01F27/24—Magnetic cores
- H01F27/255—Magnetic cores made from particles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
1 本体
11 第1コア
12 第2コア
13 接合面
3 溶媒
2 巻線型コイル
6 ボイド層
Claims (16)
- 巻線型コイルと、前記巻線型コイルの上部及び下部上にそれぞれ配置されて互いに連結される第1及び第2コアとを含む本体と、
前記本体の外部面上に配置され、前記巻線型コイルの両端部に連結される外部電極と、を含み、
前記第1及び第2コアの間には接合面が配置され、
前記接合面は、前記第1及び第2コア内に含まれる樹脂と同種の樹脂で構成される、コイル部品。 - 前記樹脂は熱硬化性樹脂である、請求項1に記載のコイル部品。
- 前記熱硬化性樹脂はエポキシ樹脂である、請求項2に記載のコイル部品。
- 前記第1及び第2コアのそれぞれは、磁性粉末と、前記磁性粉末の表面を直接コーティングする樹脂と、を含む、請求項1から3のいずれか一項に記載のコイル部品。
- 前記磁性粉末のうち互いに隣接する磁性粉末は、前記樹脂のみによって絶縁される、請求項4に記載のコイル部品。
- 前記磁性粉末の表面は、前記磁性粉末を構成する組成と同一又は異なる組成を含む無機物層を含まない、請求項4又は5に記載のコイル部品。
- 前記磁性粉末は、Fe、Fe−Ni系合金、Fe−Si系合金、Fe−Si−Al系合金、Fe−Cr−Si系合金、Fe系アモルファス合金、Fe系ナノ結晶合金、Co系アモルファス合金、Fe−Co系合金、Fe−N系合金、MnZn系フェライト、及びNiZn系フェライトのうちから選択された一つ以上を含む、請求項4から6のいずれか一項に記載のコイル部品。
- 前記第1及び第2コア内における樹脂以外の残留硬化剤又は残留バインダーの含有量は0wt%である、請求項1から7のいずれか一項に記載のコイル部品。
- 前記第1及び第2コアの間にボイド層をさらに含む、請求項1から8のいずれか一項に記載のコイル部品。
- 前記ボイド層はエアギャップである、請求項9に記載のコイル部品。
- 前記ボイド層の最大層厚は1μmより薄い、請求項9又は10に記載のコイル部品。
- 前記接合面は、前記第1及び第2コア内に含まれる樹脂と同種の樹脂以外に別途の接着剤を含まない、請求項1から11のいずれか一項に記載のコイル部品。
- 前記本体は、幅方向において対向する第1側面及び第2側面、長さ方向において対向する第1端面及び第2端面、厚さ方向において対向する上面及び下面を含み、前記本体は、幅と長さがそれぞれ5.0mm及び5.0mmの5050サイズで構成される、請求項1から12のいずれか一項に記載のコイル部品。
- 前記第1コア内の樹脂と前記第2コア内の樹脂は、少なくとも一部領域で直接接触する、請求項1から13のいずれか一項に記載のコイル部品。
- 前記接合面は硬化したエポキシを含む、請求項1から14のいずれか一項に記載のコイル部品。
- 前記接合面は所定の厚さを有する帯状である、請求項1から15のいずれか一項に記載のコイル部品。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022165905A JP2022185148A (ja) | 2017-12-27 | 2022-10-14 | コイル部品 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0180630 | 2017-12-27 | ||
KR1020170180630A KR102527707B1 (ko) | 2017-12-27 | 2017-12-27 | 코일 부품 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022165905A Division JP2022185148A (ja) | 2017-12-27 | 2022-10-14 | コイル部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019117921A true JP2019117921A (ja) | 2019-07-18 |
JP7164263B2 JP7164263B2 (ja) | 2022-11-01 |
Family
ID=66950605
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018146696A Active JP7164263B2 (ja) | 2017-12-27 | 2018-08-03 | コイル部品 |
JP2022165905A Pending JP2022185148A (ja) | 2017-12-27 | 2022-10-14 | コイル部品 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022165905A Pending JP2022185148A (ja) | 2017-12-27 | 2022-10-14 | コイル部品 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11127517B2 (ja) |
JP (2) | JP7164263B2 (ja) |
KR (1) | KR102527707B1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021060479A1 (ja) * | 2019-09-26 | 2021-04-01 | Tdk株式会社 | 軟磁性金属粉末、軟磁性金属焼成体、およびコイル型電子部品 |
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JPH04284609A (ja) * | 1991-03-13 | 1992-10-09 | Tokin Corp | チップインダクタの製造方法 |
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-
2017
- 2017-12-27 KR KR1020170180630A patent/KR102527707B1/ko active IP Right Grant
-
2018
- 2018-08-03 JP JP2018146696A patent/JP7164263B2/ja active Active
- 2018-08-09 US US16/059,626 patent/US11127517B2/en active Active
-
2022
- 2022-10-14 JP JP2022165905A patent/JP2022185148A/ja active Pending
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JPH04284609A (ja) * | 1991-03-13 | 1992-10-09 | Tokin Corp | チップインダクタの製造方法 |
JPH04323809A (ja) * | 1991-04-23 | 1992-11-13 | Tokin Corp | マイクロ磁心及び巻線形チップインダクタ |
JPH04361505A (ja) * | 1991-06-10 | 1992-12-15 | Tokin Corp | インダクタ及びその製造方法 |
JP2003282346A (ja) * | 2002-03-20 | 2003-10-03 | Tdk Corp | コイル封入圧粉磁芯の製造方法およびコイル封入圧粉磁芯 |
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JP2013187319A (ja) * | 2012-03-07 | 2013-09-19 | Tdk Corp | コイル部品 |
US20180204661A1 (en) * | 2017-01-16 | 2018-07-19 | Tdk Corporation | Inductor element and method of manufacturing the same |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2021060479A1 (ja) * | 2019-09-26 | 2021-04-01 | Tdk株式会社 | 軟磁性金属粉末、軟磁性金属焼成体、およびコイル型電子部品 |
Also Published As
Publication number | Publication date |
---|---|
JP7164263B2 (ja) | 2022-11-01 |
KR102527707B1 (ko) | 2023-05-02 |
US20190198211A1 (en) | 2019-06-27 |
JP2022185148A (ja) | 2022-12-13 |
KR20190078885A (ko) | 2019-07-05 |
US11127517B2 (en) | 2021-09-21 |
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