JP7354998B2 - コイル部品 - Google Patents
コイル部品 Download PDFInfo
- Publication number
- JP7354998B2 JP7354998B2 JP2020204053A JP2020204053A JP7354998B2 JP 7354998 B2 JP7354998 B2 JP 7354998B2 JP 2020204053 A JP2020204053 A JP 2020204053A JP 2020204053 A JP2020204053 A JP 2020204053A JP 7354998 B2 JP7354998 B2 JP 7354998B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- containing layer
- tin
- nickel
- wire
- 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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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 59
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 54
- 229910052759 nickel Inorganic materials 0.000 claims description 27
- 238000000576 coating method Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 21
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 239000010949 copper Substances 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 5
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009736 wetting Methods 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
- 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
- H01F17/045—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
-
- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
-
- 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
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- 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
- H01F5/00—Coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F2017/0093—Common mode choke coil
-
- 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
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/064—Winding non-flat conductive wires, e.g. rods, cables or cords
- H01F41/069—Winding two or more wires, e.g. bifilar winding
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
Description
軸線方向に延びる巻芯部と、巻芯部の軸線方向での互いに逆の第1端、第2端にそれぞれ設けられた第1鍔部、第2鍔部と、を含む、コアと、
第1鍔部に設けられる、第1端子電極と、
第2鍔部に設けられる、第2端子電極と、
巻芯部のまわりに巻回され、銅または銅合金からなる芯線およびその周面を覆う樹脂からなる絶縁被膜を含む、少なくとも1本のワイヤと、
を備える、コイル部品に向けられる。
12 巻芯部
13,14 鍔部
15 コア
17~20 端子電極
21,22 ワイヤ
21a,21b,22a,22b 端末
23,24 底面
29 芯線
30 絶縁被膜
33 ニッケル含有層
34 錫含有層
35 錫含有層に接触しない領域
37 接触面
38,39 側面
40 頂面
41 フィレット
42 凹状曲面
43 溶融固化物
AX 軸線方向
W1 端末の幅方向の寸法
W2 錫含有層と端末との間隔の幅方向の寸法
H1 端末の高さ方向の寸法
H2 フィレットが側面に接する領域の高さ方向の寸法
H3 錫含有層の高さ方向の寸法
Claims (8)
- 軸線方向に延びる巻芯部と、前記巻芯部の前記軸線方向での互いに逆の第1端、第2端にそれぞれ設けられた第1鍔部、第2鍔部と、を含む、コアと、
前記第1鍔部に設けられる、第1端子電極と、
前記第2鍔部に設けられる、第2端子電極と、
前記巻芯部のまわりに巻回され、銅または銅合金からなる芯線およびその周面を覆う樹脂からなる絶縁被膜を含む、少なくとも1本のワイヤと、
を備え、
前記ワイヤの前記芯線は、前記第1端子電極に電気的に接続された第1端末と、前記第2端子電極に電気的に接続された第2端末と、を有し、
前記第1鍔部および前記第2鍔部は、実装面側に向く底面を有し、
前記第1端子電極および前記第2端子電極は、前記第1鍔部および前記第2鍔部の各々の前記底面を覆うように設けられる、ニッケルまたはニッケル合金からなるニッケル含有層と、その上に位置する錫または錫合金からなる錫含有層と、を有し、
前記第1端末および前記第2端末は、前記ニッケル含有層に接触する接触面と、前記接触面に隣接しかつ前記ニッケル含有層から立ち上がる方向に延びる1対の側面と、前記側面に隣接しかつ前記接触面に対向する頂面と、を有し、
前記接触面と前記頂面とを結ぶ方向を高さ方向としたとき、前記錫含有層は、前記端末の前記1対の側面の各々に向かって高さ方向の寸法が徐々に小さくなるフィレットを有し、
前記フィレットと前記端末の前記側面との間に位置する、前記絶縁被膜に由来する溶融固化物をさらに備え、
前記第1端末および前記第2端末の少なくとも一方の端末の前記側面は、少なくとも前記頂面側において、前記錫含有層に接触しない領域を有する、
コイル部品。 - 前記フィレットは、前記端末の前記側面に接する、請求項1に記載のコイル部品。
- 前記側面の高さ方向の寸法の1/2以下の領域において、前記フィレットは前記端末の前記側面に接する、請求項2に記載のコイル部品。
- 前記1対の側面間を結ぶ方向を幅方向としたとき、前記フィレットが前記端末の前記側面に接する領域の高さ方向の寸法は、前記端末の幅方向の寸法の1/2以下である、請求項2または3に記載のコイル部品。
- 前記フィレットは、前記端末の前記側面に接しない、請求項1に記載のコイル部品。
- 前記錫含有層の、前記フィレットを除く部分の高さ方向の寸法は、前記端末の高さ方向の寸法より小さい、請求項1ないし5のいずれかに記載のコイル部品。
- 前記1対の側面間を結ぶ方向を幅方向としたとき、前記錫含有層の、前記フィレットを除く部分と前記端末との間隔の幅方向の寸法は、前記端末の幅方向の寸法より小さい、請求項1ないし6のいずれかに記載のコイル部品。
- 前記端末における前記錫含有層に接触しない領域が、前記底面に直交する方向から見て、前記ニッケル含有層上に位置する前記端末の全輪郭に沿って位置する、請求項1ないし7のいずれかに記載のコイル部品。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020204053A JP7354998B2 (ja) | 2020-12-09 | 2020-12-09 | コイル部品 |
US17/540,119 US20220181074A1 (en) | 2020-12-09 | 2021-12-01 | Coil component |
DE102021213824.1A DE102021213824A1 (de) | 2020-12-09 | 2021-12-06 | Spulenkomponente |
CN202111486634.9A CN114613581A (zh) | 2020-12-09 | 2021-12-07 | 线圈部件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020204053A JP7354998B2 (ja) | 2020-12-09 | 2020-12-09 | コイル部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022091298A JP2022091298A (ja) | 2022-06-21 |
JP7354998B2 true JP7354998B2 (ja) | 2023-10-03 |
Family
ID=81655291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020204053A Active JP7354998B2 (ja) | 2020-12-09 | 2020-12-09 | コイル部品 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220181074A1 (ja) |
JP (1) | JP7354998B2 (ja) |
CN (1) | CN114613581A (ja) |
DE (1) | DE102021213824A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013161968A (ja) | 2012-02-06 | 2013-08-19 | Murata Mfg Co Ltd | チップコイル |
JP2019029579A (ja) | 2017-08-02 | 2019-02-21 | 太陽誘電株式会社 | コイル部品 |
JP2019135763A (ja) | 2018-02-05 | 2019-08-15 | 株式会社村田製作所 | コモンモードチョークコイル |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3319697B2 (ja) * | 1996-11-29 | 2002-09-03 | 太陽誘電株式会社 | 巻線型電子部品及びその製造方法 |
JP3552189B2 (ja) | 1997-05-14 | 2004-08-11 | 株式会社村田製作所 | ワイヤを有する電子部品 |
JP3196718B2 (ja) * | 1998-03-27 | 2001-08-06 | 株式会社村田製作所 | コイル部品の製造方法 |
-
2020
- 2020-12-09 JP JP2020204053A patent/JP7354998B2/ja active Active
-
2021
- 2021-12-01 US US17/540,119 patent/US20220181074A1/en active Pending
- 2021-12-06 DE DE102021213824.1A patent/DE102021213824A1/de active Pending
- 2021-12-07 CN CN202111486634.9A patent/CN114613581A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013161968A (ja) | 2012-02-06 | 2013-08-19 | Murata Mfg Co Ltd | チップコイル |
JP2019029579A (ja) | 2017-08-02 | 2019-02-21 | 太陽誘電株式会社 | コイル部品 |
JP2019135763A (ja) | 2018-02-05 | 2019-08-15 | 株式会社村田製作所 | コモンモードチョークコイル |
Also Published As
Publication number | Publication date |
---|---|
JP2022091298A (ja) | 2022-06-21 |
DE102021213824A1 (de) | 2022-06-09 |
CN114613581A (zh) | 2022-06-10 |
US20220181074A1 (en) | 2022-06-09 |
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