JP7373930B2 - 積層コイル部品 - Google Patents
積層コイル部品 Download PDFInfo
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- JP7373930B2 JP7373930B2 JP2019120684A JP2019120684A JP7373930B2 JP 7373930 B2 JP7373930 B2 JP 7373930B2 JP 2019120684 A JP2019120684 A JP 2019120684A JP 2019120684 A JP2019120684 A JP 2019120684A JP 7373930 B2 JP7373930 B2 JP 7373930B2
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- 239000004020 conductor Substances 0.000 claims description 224
- 239000011810 insulating material Substances 0.000 claims description 27
- 238000009413 insulation Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 description 32
- 239000002184 metal Substances 0.000 description 32
- 239000006249 magnetic particle Substances 0.000 description 30
- 238000000034 method Methods 0.000 description 21
- 239000002245 particle Substances 0.000 description 15
- 230000004907 flux Effects 0.000 description 12
- 239000010408 film Substances 0.000 description 10
- 239000000696 magnetic material Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 6
- 238000003475 lamination Methods 0.000 description 4
- 239000002923 metal particle Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000004643 cyanate ester Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003192 poly(bis maleimide) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000009736 wetting Methods 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
- H01F27/28—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
- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- 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
- H01F41/041—Printed circuit coils
-
- 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
- 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
- H01F41/041—Printed circuit coils
- H01F41/043—Printed circuit coils by thick film techniques
-
- 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
- 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
-
- 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
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10636—Leadless chip, e.g. chip capacitor or resistor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Coils Of Transformers For General Uses (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Description
10 基体
10b 実装面
21、22、221、222,521,522 外部電極
26、27 引出導体
31 絶縁材
41 絶縁層
C11~C15 導体パターン
C21、C22、C121、C122、C221、C222 平面引出部
C23、C223 軸部
R1 第1領域
R2 第2領域
X コイル軸
Claims (12)
- 実装面を有する基体と、
前記基体内においてコイル軸の周りに複数層に亘って巻回されており、第1端部及び前記第1端部よりも前記実装面の近くにある第2端部を有するコイル導体と、
前記実装面に設けられた第1外部電極と、
前記実装面に前記第1外部電極から離間して設けられた第2外部電極と、
前記コイル導体の前記第1端部と前記第1外部電極とを接続する第1引出導体と、
前記コイル導体の前記第2端部と前記第2外部電極とを接続する第2引出導体と、
を備え、
前記第1引出導体の少なくとも一部は、前記コイル軸の方向から見たときに前記コイル導体の径方向内側にある前記基体の第1領域に設けられており、
前記基体は、前記コイル導体と前記第1引出導体との間の領域であって、前記コイル軸の方向から見たときに前記第1引出導体と前記コイル導体とが重複する重複領域に設けられた絶縁材を有し、
前記絶縁材は、前記基体の前記絶縁材以外の領域よりも高い絶縁性を有している、
コイル部品。 - 前記第1引出導体は、前記コイル軸の方向から見たときに前記コイル導体よりも径方向外側にある前記基体の第2領域と重複しないように配置されている、請求項1に記載のコイル部品。
- 前記コイル軸の方向から見たときに前記コイル導体よりも径方向外側にある前記第2領域の面積に対する前記第1領域の面積の比が0.6以上である、
請求項2に記載のコイル部品。 - 前記絶縁材の体積抵抗率は、前記基体の前記絶縁材以外の領域の体積抵抗率よりも100Ω・cm以上大きい、
請求項1から請求項3のいずれか1項に記載のコイル部品。 - 前記第1外部電極及び前記第2外部電極は、前記実装面においてのみ前記基体と接している、
請求項1から請求項4のいずれか1項に記載のコイル部品。 - 前記第1外部電極及び前記第2外部電極の少なくとも一方は、前記実装面に沿って延びる第1主電極部と、前記実装面に接続されている前記基体の第1端面に沿って延伸する第1副電極部と、を有し、
前記コイル導体は、前記第1引出導体から離間している導体パターンを有し、
前記第1副電極部と前記導体パターンとの距離は、前記第1引出導体と前記導体パターンとの距離よりも長い、
請求項1から請求項4のいずれか1項に記載のコイル部品。 - 前記第1引出導体は、前記第1領域において前記コイル軸に沿って延びる軸部を有する、
請求項1から請求項6のいずれか1項に記載のコイル部品。 - 前記第1引出導体の前記軸部は、前記コイル軸の方向から見たときに、前記第1外部電極と前記第2外部電極との中央よりも前記第1外部電極よりに設けられる、
請求項7に記載のコイル部品。 - 前記第1外部電極は、前記コイル軸の方向から見たときに前記第1引出導体と重複するように設けられ、
前記第1引出導体は、前記第1引出導体の前記軸部において前記第1外部電極と接続される、
請求項7又は請求項8に記載のコイル部品。 - 前記第1引出導体は、前記軸部の一方の端部と前記コイル導体の前記第1端部とを接続する第1接続部と、前記一方の端部よりも前記実装面の近くにある前記軸部の他方の端部と前記第1外部電極とを接続する第2接続部と、を有し、
前記コイル軸の方向から見たときに前記第1接続部は、前記第2接続部と重複している、
請求項7から請求項9のいずれか1項に記載のコイル部品。 - 請求項1から請求項10のいずれか一項に記載の積層コイル部品を含む、回路基板。
- 請求項11に記載の回路基板を含む、電子部品。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019120684A JP7373930B2 (ja) | 2019-06-28 | 2019-06-28 | 積層コイル部品 |
US16/912,099 US11763979B2 (en) | 2019-06-28 | 2020-06-25 | Laminated coil component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019120684A JP7373930B2 (ja) | 2019-06-28 | 2019-06-28 | 積層コイル部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021007128A JP2021007128A (ja) | 2021-01-21 |
JP7373930B2 true JP7373930B2 (ja) | 2023-11-06 |
Family
ID=74044839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019120684A Active JP7373930B2 (ja) | 2019-06-28 | 2019-06-28 | 積層コイル部品 |
Country Status (2)
Country | Link |
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US (1) | US11763979B2 (ja) |
JP (1) | JP7373930B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7464029B2 (ja) | 2021-09-17 | 2024-04-09 | 株式会社村田製作所 | インダクタ部品 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003017327A (ja) | 2001-06-29 | 2003-01-17 | Fdk Corp | 積層インダクタ |
WO2011132626A1 (ja) | 2010-04-21 | 2011-10-27 | 太陽誘電株式会社 | 積層インダクタ |
US20110285494A1 (en) | 2010-05-24 | 2011-11-24 | Samsung Electro-Mechanics Co., Ltd. | Multilayer type inductor |
WO2013031880A1 (ja) | 2011-08-31 | 2013-03-07 | 株式会社村田製作所 | 電子部品及びその製造方法 |
WO2013128702A1 (ja) | 2012-02-29 | 2013-09-06 | 株式会社村田製作所 | 積層型インダクタおよび電源回路モジュール |
WO2015156051A1 (ja) | 2014-04-09 | 2015-10-15 | 株式会社 村田製作所 | 積層コイル部品、およびコイルモジュール |
JP2016025180A (ja) | 2014-07-18 | 2016-02-08 | 東光株式会社 | 表面実装インダクタ及びその製造方法 |
JP2019067883A (ja) | 2017-09-29 | 2019-04-25 | 太陽誘電株式会社 | 磁気結合型コイル部品 |
JP2020198336A (ja) | 2019-05-31 | 2020-12-10 | 太陽誘電株式会社 | コイル部品 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3197022B2 (ja) * | 1991-05-13 | 2001-08-13 | ティーディーケイ株式会社 | ノイズサプレッサ用積層セラミック部品 |
JP6221250B2 (ja) | 2013-02-13 | 2017-11-01 | Tdk株式会社 | 積層コイル部品 |
-
2019
- 2019-06-28 JP JP2019120684A patent/JP7373930B2/ja active Active
-
2020
- 2020-06-25 US US16/912,099 patent/US11763979B2/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003017327A (ja) | 2001-06-29 | 2003-01-17 | Fdk Corp | 積層インダクタ |
WO2011132626A1 (ja) | 2010-04-21 | 2011-10-27 | 太陽誘電株式会社 | 積層インダクタ |
US20110285494A1 (en) | 2010-05-24 | 2011-11-24 | Samsung Electro-Mechanics Co., Ltd. | Multilayer type inductor |
WO2013031880A1 (ja) | 2011-08-31 | 2013-03-07 | 株式会社村田製作所 | 電子部品及びその製造方法 |
WO2013128702A1 (ja) | 2012-02-29 | 2013-09-06 | 株式会社村田製作所 | 積層型インダクタおよび電源回路モジュール |
WO2015156051A1 (ja) | 2014-04-09 | 2015-10-15 | 株式会社 村田製作所 | 積層コイル部品、およびコイルモジュール |
JP2016025180A (ja) | 2014-07-18 | 2016-02-08 | 東光株式会社 | 表面実装インダクタ及びその製造方法 |
JP2019067883A (ja) | 2017-09-29 | 2019-04-25 | 太陽誘電株式会社 | 磁気結合型コイル部品 |
JP2020198336A (ja) | 2019-05-31 | 2020-12-10 | 太陽誘電株式会社 | コイル部品 |
Also Published As
Publication number | Publication date |
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US20200411228A1 (en) | 2020-12-31 |
JP2021007128A (ja) | 2021-01-21 |
US11763979B2 (en) | 2023-09-19 |
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