JP2022054935A - 積層コイル部品 - Google Patents
積層コイル部品 Download PDFInfo
- Publication number
- JP2022054935A JP2022054935A JP2020162218A JP2020162218A JP2022054935A JP 2022054935 A JP2022054935 A JP 2022054935A JP 2020162218 A JP2020162218 A JP 2020162218A JP 2020162218 A JP2020162218 A JP 2020162218A JP 2022054935 A JP2022054935 A JP 2022054935A
- Authority
- JP
- Japan
- Prior art keywords
- conductor
- coil
- magnetic particles
- distance
- metal magnetic
- 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.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 410
- 239000006249 magnetic particle Substances 0.000 claims abstract description 180
- 229910052751 metal Inorganic materials 0.000 claims abstract description 146
- 239000002184 metal Substances 0.000 claims abstract description 146
- 239000002245 particle Substances 0.000 claims abstract description 86
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 230000003746 surface roughness Effects 0.000 claims description 29
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 description 15
- 239000000843 powder Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 239000000696 magnetic material Substances 0.000 description 7
- 229910001004 magnetic alloy Inorganic materials 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 229910017082 Fe-Si Inorganic materials 0.000 description 2
- 229910017133 Fe—Si Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000002500 effect on skin Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 229910007933 Si-M Inorganic materials 0.000 description 1
- 229910008318 Si—M Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium 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
- H01F1/28—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 dispersed or suspended in a bonding agent
-
- 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
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
-
- 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
-
- 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
- H01F1/26—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 by macromolecular organic substances
-
- 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
-
- 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
- H01F17/0006—Printed inductances
- H01F2017/0073—Printed inductances with a special conductive pattern, e.g. flat spiral
-
- 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)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Coils Or Transformers For Communication (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
Claims (5)
- 複数の金属磁性粒子と、前記複数の金属磁性粒子間に存在している樹脂とを含んでいる素体と、
前記素体内に配置されていると共に、互いに電気的に接続されている複数のコイル導体を含んで構成されているコイルと、を備え、
前記複数のコイル導体の少なくとも一部は、渦巻き状であり、前記コイルのコイル軸に沿った方向から見て、互いに隣り合っている導体部を有しており、
前記素体に含まれる前記複数の金属磁性粒子は、前記コイル導体において互いに隣り合っている前記導体部の間の距離の1/3以上1/2以下である粒子径を有する複数の金属磁性粒子を含み、
前記コイル導体において互いに隣り合っている前記導体部の間では、前記粒子径を有する前記金属磁性粒子が、当該導体部の対向方向に沿うように並んでいる、積層コイル部品。 - 前記対向方向に沿った断面において、前記粒子径を有する前記金属磁性粒子が前記対向方向に沿うように並んでいる領域の面積は、前記対向方向で互いに隣り合っている前記導体部の間の領域の面積の50%より大きい、請求項1に記載の積層コイル部品。
- 前記導体部は、前記対向方向で対向している一対の側面を有し、
前記一対の側面の表面粗さは、前記素体に含まれる前記複数の金属磁性粒子の平均粒子径の40%未満である、請求項1又は2に記載の積層コイル部品。 - 前記複数のコイル導体は、めっき導体である、請求項1~3のいずれか一項に記載の積層コイル部品。
- 前記コイル導体の前記導体部は、第一方向に沿って直線状に延在している第一導体部と、前記第一方向と交差する第二方向に沿って直線状に延在している第二導体部と、前記第一導体部と前記第二導体部とを接続していると共に前記コイル導体の角部を構成している第三導体部と、を含み、
互いに隣り合っている前記第三導体部の間の距離は、互いに隣り合っている前記第一導体部の間の距離、及び、互いに隣り合っている前記第二導体部の間の距離よりも大きい、請求項1~4のいずれか一項に記載の積層コイル部品。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020162218A JP2022054935A (ja) | 2020-09-28 | 2020-09-28 | 積層コイル部品 |
KR1020210110875A KR102574802B1 (ko) | 2020-09-28 | 2021-08-23 | 적층 코일 부품 |
TW110134542A TWI771187B (zh) | 2020-09-28 | 2021-09-16 | 積層線圈零件 |
CN202111122834.6A CN114284029A (zh) | 2020-09-28 | 2021-09-24 | 层叠线圈部件 |
US17/486,640 US20220102039A1 (en) | 2020-09-28 | 2021-09-27 | Multilayer coil component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020162218A JP2022054935A (ja) | 2020-09-28 | 2020-09-28 | 積層コイル部品 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2022054935A true JP2022054935A (ja) | 2022-04-07 |
Family
ID=80822999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020162218A Pending JP2022054935A (ja) | 2020-09-28 | 2020-09-28 | 積層コイル部品 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220102039A1 (ja) |
JP (1) | JP2022054935A (ja) |
KR (1) | KR102574802B1 (ja) |
CN (1) | CN114284029A (ja) |
TW (1) | TWI771187B (ja) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018182203A (ja) * | 2017-04-19 | 2018-11-15 | 株式会社村田製作所 | コイル部品 |
KR102004791B1 (ko) * | 2014-05-21 | 2019-07-29 | 삼성전기주식회사 | 칩 전자부품 및 그 실장기판 |
KR101588966B1 (ko) * | 2014-08-11 | 2016-01-26 | 삼성전기주식회사 | 칩 전자부품 |
JP7032039B2 (ja) * | 2016-06-28 | 2022-03-08 | Tdk株式会社 | 積層コイル部品 |
JP2018182202A (ja) * | 2017-04-19 | 2018-11-15 | 株式会社村田製作所 | コイル部品 |
JP7176435B2 (ja) * | 2019-02-15 | 2022-11-22 | 株式会社村田製作所 | インダクタ部品 |
JP7251243B2 (ja) * | 2019-03-22 | 2023-04-04 | Tdk株式会社 | 積層コイル部品 |
JP7229056B2 (ja) * | 2019-03-22 | 2023-02-27 | Tdk株式会社 | 積層コイル部品 |
-
2020
- 2020-09-28 JP JP2020162218A patent/JP2022054935A/ja active Pending
-
2021
- 2021-08-23 KR KR1020210110875A patent/KR102574802B1/ko active IP Right Grant
- 2021-09-16 TW TW110134542A patent/TWI771187B/zh active
- 2021-09-24 CN CN202111122834.6A patent/CN114284029A/zh active Pending
- 2021-09-27 US US17/486,640 patent/US20220102039A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
KR20220043022A (ko) | 2022-04-05 |
TW202217870A (zh) | 2022-05-01 |
US20220102039A1 (en) | 2022-03-31 |
KR102574802B1 (ko) | 2023-09-06 |
CN114284029A (zh) | 2022-04-05 |
TWI771187B (zh) | 2022-07-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7251243B2 (ja) | 積層コイル部品 | |
JP7229056B2 (ja) | 積層コイル部品 | |
US20220115171A1 (en) | High-frequency inductor component | |
JP7169141B2 (ja) | 積層コイル部品及び電子機器 | |
JP2022054935A (ja) | 積層コイル部品 | |
JP7435387B2 (ja) | 積層コイル部品 | |
US20230230738A1 (en) | Coil component | |
US20220262558A1 (en) | Laminated coil component | |
US20220319758A1 (en) | Coil component, circuit board, and electronic device | |
JP7499668B2 (ja) | 積層コイル部品 | |
US20230230737A1 (en) | Multilayer coil component | |
US20220277879A1 (en) | Multilayer coil component | |
US20230072794A1 (en) | Multilayer coil component | |
JP2023039725A (ja) | コイル部品及びコイル部品の製造方法 | |
JP2023100041A (ja) | コイル部品 | |
JP2021163812A (ja) | コイル部品 | |
JP2024037382A (ja) | 積層コイル部品 | |
JP2023105426A (ja) | 積層コイル部品 | |
JP2021068822A (ja) | コイル部品及びコイル部品の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230425 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20231220 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20240109 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20240306 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20240508 |