JP2019165169A - コイル部品及び電子機器 - Google Patents
コイル部品及び電子機器 Download PDFInfo
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- JP2019165169A JP2019165169A JP2018053182A JP2018053182A JP2019165169A JP 2019165169 A JP2019165169 A JP 2019165169A JP 2018053182 A JP2018053182 A JP 2018053182A JP 2018053182 A JP2018053182 A JP 2018053182A JP 2019165169 A JP2019165169 A JP 2019165169A
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- coil
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- 230000035699 permeability Effects 0.000 claims abstract description 168
- 239000004020 conductor Substances 0.000 claims abstract description 113
- 239000002923 metal particle Substances 0.000 claims abstract description 27
- 239000000696 magnetic material Substances 0.000 claims abstract description 5
- 238000004804 winding Methods 0.000 claims abstract description 3
- 238000010030 laminating Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 169
- 230000000052 comparative effect Effects 0.000 description 33
- 230000004048 modification Effects 0.000 description 33
- 238000012986 modification Methods 0.000 description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 25
- 229910052802 copper Inorganic materials 0.000 description 25
- 239000010949 copper Substances 0.000 description 25
- 239000010408 film Substances 0.000 description 24
- 230000004907 flux Effects 0.000 description 24
- 239000000463 material Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 21
- 239000011347 resin Substances 0.000 description 16
- 229920005989 resin Polymers 0.000 description 16
- 238000004088 simulation Methods 0.000 description 14
- 238000007639 printing Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 229920001721 polyimide Polymers 0.000 description 6
- 239000009719 polyimide resin Substances 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910002065 alloy metal Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007606 doctor blade method Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000011800 void material Substances 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
- 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
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding layers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- 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
- H01F2003/106—Magnetic circuits using combinations of different magnetic materials
-
- 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
- H01F2017/0066—Printed inductances with a magnetic layer
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/1003—Non-printed inductor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
11 素体部の主部
12 上面
14 下面
16a、16b 端面
18a、18b 側面
20 層
21 カバー層
22 絶縁層
24 内側領域
26 外側領域
30 コイル
32〜32b 周回導体
34 接続導体
36 第1表面
37 第1面
38 第2表面
39 第2面
40a、40b 引出導体
50 低透磁率部
52a 第1層
52b 第2層
60a、60b 外部電極
70 フィルム
72 磁性体膜
74 グリーンシート
90 回路基板
92 電極
94 半田
100、110、120 コイル部品
200、210、220、230 コイル部品
300 電子機器
500、600 コイル部品
Claims (10)
- 磁性金属粒子及び非磁性材料を含み、絶縁性を有する素体部と、
前記素体部に内蔵され、導体が周回して形成されたコイルと、を備え、
前記素体部は、主部と、前記主部よりも比透磁率が低い低透磁率部と、を有し、
前記コイルは、コイル軸方向でそれぞれ反対側に位置する表面であって前記コイル軸に交差する第1表面及び第2表面を有し、
前記低透磁率部は、前記コイルの前記第1表面と同一面を形成する第1面と前記コイルの前記第2表面と同一面を形成する第2面の間で且つ前記第1面及び前記第2面から離れて設けられている、コイル部品。 - 前記低透磁率部は、前記コイルで囲まれた内側領域に設けられ、前記コイルよりも前記素体部の表面側の外側領域より内側にある、請求項1記載のコイル部品。
- 前記低透磁率部は、前記コイルで囲まれた前記内側領域の前記コイル軸方向から見た断面を全て覆って設けられている、請求項2記載のコイル部品。
- 前記素体部は、複数の前記低透磁率部を有する、請求項1から3のいずれか一項記載のコイル部品。
- 前記素体部の主部の比透磁率は100以下であり、
前記低透磁率部の前記コイル軸方向の合計の厚さは40μm未満である、請求項1から4のいずれか一項記載のコイル部品。 - 前記素体部の主部の比透磁率は100以下であり、
前記低透磁率部の前記コイル軸方向の合計の厚さTμmは前記素体部の主部の比透磁率μrの1/5以上且つ1/2以下(μr/5≦T≦μr/2)である、請求項1から5のいずれか一項記載のコイル部品。 - 前記素体部は、前記コイルを形成する前記導体と前記磁性金属粒子を主成分に含む磁性体膜とを含む複数の層が積層されて形成されている、請求項1から6のいずれか一項記載のコイル部品。
- 前記低透磁率部は、積層された前記導体の間に位置している、請求項7記載のコイル部品。
- 前記素体部の表面に設けられた外部電極と、
前記素体部内に設けられ、前記コイルの端を前記外部電極に接続させる引出導体と、を備える、請求項1から8のいずれか一項記載のコイル部品。 - 請求項1から9のいずれか一項記載のコイル部品と、
前記コイル部品が実装された回路基板と、を備える電子機器。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018053182A JP2019165169A (ja) | 2018-03-20 | 2018-03-20 | コイル部品及び電子機器 |
US16/292,720 US10825601B2 (en) | 2018-03-20 | 2019-03-05 | Coil component and electronic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018053182A JP2019165169A (ja) | 2018-03-20 | 2018-03-20 | コイル部品及び電子機器 |
Publications (1)
Publication Number | Publication Date |
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JP2019165169A true JP2019165169A (ja) | 2019-09-26 |
Family
ID=67984276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018053182A Pending JP2019165169A (ja) | 2018-03-20 | 2018-03-20 | コイル部品及び電子機器 |
Country Status (2)
Country | Link |
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US (1) | US10825601B2 (ja) |
JP (1) | JP2019165169A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021163812A (ja) * | 2020-03-31 | 2021-10-11 | 太陽誘電株式会社 | コイル部品 |
JP7484853B2 (ja) | 2021-09-09 | 2024-05-16 | 株式会社村田製作所 | インダクタ部品 |
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2018
- 2018-03-20 JP JP2018053182A patent/JP2019165169A/ja active Pending
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2019
- 2019-03-05 US US16/292,720 patent/US10825601B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007088914A1 (ja) * | 2006-01-31 | 2007-08-09 | Hitachi Metals, Ltd. | 積層部品及びこれを用いたモジュール |
WO2014061670A1 (ja) * | 2012-10-19 | 2014-04-24 | 株式会社村田製作所 | 積層コイル部品とその製造方法 |
JP2016051752A (ja) * | 2014-08-29 | 2016-04-11 | 東光株式会社 | 積層型電子部品 |
JP2017073495A (ja) * | 2015-10-08 | 2017-04-13 | Tdk株式会社 | 積層コイル部品 |
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JP2021163812A (ja) * | 2020-03-31 | 2021-10-11 | 太陽誘電株式会社 | コイル部品 |
JP7484853B2 (ja) | 2021-09-09 | 2024-05-16 | 株式会社村田製作所 | インダクタ部品 |
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