JP2021174799A - コイル部品 - Google Patents
コイル部品 Download PDFInfo
- Publication number
- JP2021174799A JP2021174799A JP2020074741A JP2020074741A JP2021174799A JP 2021174799 A JP2021174799 A JP 2021174799A JP 2020074741 A JP2020074741 A JP 2020074741A JP 2020074741 A JP2020074741 A JP 2020074741A JP 2021174799 A JP2021174799 A JP 2021174799A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- insulating substrate
- pattern
- pair
- flat
- 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.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims description 58
- 229920005989 resin Polymers 0.000 claims description 48
- 239000011347 resin Substances 0.000 claims description 48
- 239000000696 magnetic material Substances 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- 230000007423 decrease Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000035515 penetration Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 12
- 239000006247 magnetic powder Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 239000013067 intermediate product Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910017082 Fe-Si Inorganic materials 0.000 description 1
- 229910017133 Fe—Si Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- -1 sentust Inorganic materials 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
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
- H01F27/2804—Printed windings
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
-
- 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
- H01F27/24—Magnetic cores
- H01F27/255—Magnetic cores made from particles
-
- 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
-
- 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
- H01F27/323—Insulation between winding turns, between winding 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- 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
-
- 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
- H01F27/2804—Printed windings
- H01F2027/2809—Printed windings on stacked layers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
Claims (5)
- 磁性体で構成され、互いに平行な一対の端面を有する素体と、
前記一対の端面の対面方向に沿って延在し、貫通孔が設けられた絶縁基板と、
前記素体内において前記絶縁基板の一方面の前記貫通孔周りに形成された平面コイルパターンと、前記絶縁基板の一方面に設けられて前記平面コイルパターンの線間、内周および外周に位置する樹脂壁と、前記平面コイルパターンを前記一対の端面の一方まで引き出す引出配線パターンとを含む第1のコイルと、
前記素体内において前記絶縁基板の他方面の前記貫通孔周りに形成されるとともに前記絶縁基板に貫設されたスルーホール導体を介して前記第1のコイルの前記平面コイルパターンと導通する平面コイルパターンと、前記絶縁基板の一方面に設けられて前記平面コイルパターンの線間、内周および外周に位置する樹脂壁と、前記平面コイルパターンを前記一対の端面の他方まで引き出す引出配線パターンとを含む第2のコイルと、
前記素体内において前記第1のコイルおよび前記第2のコイルのそれぞれの表面を覆う一対の絶縁層と、
前記一対の端面をそれぞれ覆い、前記第1のコイルおよび前記第2のコイルの前記引出配線パターンそれぞれに接続された一対の外部端子電極と
を備え、
前記絶縁層が第1部分と該第1部分よりも前記貫通孔側に位置する第2部分とを有し、前記第2部分の厚さが前記第1部分の厚さより薄い、コイル部品。 - 前記絶縁層の厚さが、前記貫通孔側に向かうに従って漸次薄くなっている、請求項1に記載のコイル部品。
- 前記基板の表面を基準にした前記引出配線パターンの高さが前記平面コイルパターンの高さより低い、請求項1または2に記載のコイル部品。
- 前記絶縁基板の他方面に形成された前記第2のコイルの前記引出配線パターンの形成領域に対応する前記絶縁基板の一方面の領域が、前記素体を構成する前記磁性体の比誘電率より低い比誘電率を有する材料で覆われている、請求項1〜3のいずれか一項に記載のコイル部品。
- 前記素体が、前記絶縁基板に対して平行で、前記絶縁基板の他方面側に位置する実装面を有し、
前記外部端子電極が、前記素体の前記端面と前記実装面とを連続的に覆っており、
前記第2のコイルを覆う前記絶縁層の厚さが、前記第1のコイルを覆う前記絶縁層の厚さより厚い、請求項1〜4のいずれか一項に記載のコイル部品。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020074741A JP7443907B2 (ja) | 2020-04-20 | 2020-04-20 | コイル部品 |
CN202110410885.2A CN113539644B (zh) | 2020-04-20 | 2021-04-16 | 线圈部件 |
US17/234,029 US20210327637A1 (en) | 2020-04-20 | 2021-04-19 | Coil component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020074741A JP7443907B2 (ja) | 2020-04-20 | 2020-04-20 | コイル部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021174799A true JP2021174799A (ja) | 2021-11-01 |
JP7443907B2 JP7443907B2 (ja) | 2024-03-06 |
Family
ID=78082797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020074741A Active JP7443907B2 (ja) | 2020-04-20 | 2020-04-20 | コイル部品 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20210327637A1 (ja) |
JP (1) | JP7443907B2 (ja) |
CN (1) | CN113539644B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7283225B2 (ja) * | 2019-05-21 | 2023-05-30 | Tdk株式会社 | コイル部品 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH90162A (de) * | 1919-06-30 | 1921-08-16 | Siemens Ag | Hochspannungswicklung für Hochspannungstransformatoren, die als Lagenwicklung derart ausgebildet ist, dass die achsialen Längen der durch isolierende Schichten voneinander getrennten Windungslagen auch nach aussen abgestuft sind. |
JPH1152343A (ja) * | 1997-08-04 | 1999-02-26 | Canon Inc | 液晶素子 |
JP3807438B2 (ja) | 2002-10-31 | 2006-08-09 | 松下電器産業株式会社 | インダクタンス部品とそれを用いた電子機器 |
EP2065907A1 (de) * | 2007-11-08 | 2009-06-03 | Delphi Technologies, Inc. | Spulenanordnung |
KR20140083577A (ko) | 2012-12-26 | 2014-07-04 | 삼성전기주식회사 | 공통모드필터 및 이의 제조방법 |
JP6312997B2 (ja) | 2013-07-31 | 2018-04-18 | 新光電気工業株式会社 | コイル基板及びその製造方法、インダクタ |
KR101823191B1 (ko) | 2014-05-07 | 2018-01-29 | 삼성전기주식회사 | 칩 전자부품 및 그 제조방법 |
KR101832547B1 (ko) | 2014-12-12 | 2018-02-26 | 삼성전기주식회사 | 칩 전자부품 및 그 제조방법 |
JP6477262B2 (ja) * | 2015-05-29 | 2019-03-06 | Tdk株式会社 | コイル部品 |
JP6716865B2 (ja) * | 2015-06-30 | 2020-07-01 | Tdk株式会社 | コイル部品 |
KR101751117B1 (ko) | 2015-07-31 | 2017-06-26 | 삼성전기주식회사 | 코일 전자 부품 및 그 제조방법 |
JP6870510B2 (ja) * | 2017-07-10 | 2021-05-12 | Tdk株式会社 | コイル部品 |
KR101994758B1 (ko) | 2017-10-16 | 2019-07-01 | 삼성전기주식회사 | 박막형 인덕터 |
KR102029586B1 (ko) | 2018-05-28 | 2019-10-07 | 삼성전기주식회사 | 코일 전자부품 |
KR102080650B1 (ko) * | 2018-09-21 | 2020-02-24 | 삼성전기주식회사 | 코일 부품 및 코일 부품의 제조방법 |
-
2020
- 2020-04-20 JP JP2020074741A patent/JP7443907B2/ja active Active
-
2021
- 2021-04-16 CN CN202110410885.2A patent/CN113539644B/zh active Active
- 2021-04-19 US US17/234,029 patent/US20210327637A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN113539644B (zh) | 2024-01-12 |
JP7443907B2 (ja) | 2024-03-06 |
CN113539644A (zh) | 2021-10-22 |
US20210327637A1 (en) | 2021-10-21 |
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