JP7205109B2 - 電子部品 - Google Patents
電子部品 Download PDFInfo
- Publication number
- JP7205109B2 JP7205109B2 JP2018154645A JP2018154645A JP7205109B2 JP 7205109 B2 JP7205109 B2 JP 7205109B2 JP 2018154645 A JP2018154645 A JP 2018154645A JP 2018154645 A JP2018154645 A JP 2018154645A JP 7205109 B2 JP7205109 B2 JP 7205109B2
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- Prior art keywords
- conductor
- mounting
- coil
- region
- layers
- Prior art date
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- 239000004020 conductor Substances 0.000 claims description 404
- 230000001154 acute effect Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 description 33
- 239000000470 constituent Substances 0.000 description 18
- 238000000926 separation method Methods 0.000 description 15
- 230000004048 modification Effects 0.000 description 11
- 238000012986 modification Methods 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052702 rhenium Inorganic materials 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000006112 glass ceramic composition Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Images
Classifications
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- 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
- H01F17/0006—Printed inductances
- H01F17/0033—Printed inductances with the coil helically wound around a magnetic 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
- H01F27/2804—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
- H01F27/28—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
- 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
- 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
- H01F41/10—Connecting leads to 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
- H01F2017/004—Printed inductances with the coil helically wound around an axis without a core
-
- 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
- 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)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Description
Claims (11)
- 凹部が設けられた素体と、
前記凹部に配置されている実装用導体と、
前記素体の内部に配置されていると共に前記実装用導体に接続されている内部導体と、を備え、
前記実装用導体は、前記素体から露出している第一領域と、前記第一領域に接続されていると共に前記素体に覆われている第二領域とを有し、
前記第一領域は、第一面を含み、
前記第二領域は、前記第一面に対向する第二面と、前記第二面と前記第一面とを接続する第三面とを含み、
前記第一面と前記第二面との対向方向から見て、前記第二面及び前記第三面は、前記第一面と重なっており、
前記内部導体は、前記第一面と前記第三面との接続部分から離間して前記第二領域に接続されており、
前記第三面は、前記第一面と前記第三面との接続部分から前記第二面と前記第三面との接続部分にかけて湾曲している、電子部品。 - 前記第一面と前記第三面との接続部分及び前記第二面と前記第三面との接続部分を通る平面と、前記第一面とのなす角は、鋭角である、請求項1に記載の電子部品。
- 前記第三面は、前記第一面と前記第三面との接続部分を通り、かつ、前記第一面に直交する平面よりも、前記第二面側に位置する、請求項1又は2に記載の電子部品。
- 前記第一領域は、前記第一面に接続されていると共に前記第一面と交差する方向に延在する実装面を更に含み、
前記内部導体は、前記第二面及び前記第三面の少なくとも一方に接続されている、請求項1~3のいずれか一項に記載の電子部品。 - 前記内部導体は、前記第二面と前記第三面との接続部分に接続されている、請求項4に記載の電子部品。
- 前記内部導体は、前記第二面のみで前記実装用導体に接続されている、請求項4に記載の電子部品。
- 前記内部導体は、前記第三面のみで前記実装用導体に接続されている、請求項4に記載の電子部品。
- 前記第二領域は、前記実装面に対向する第四面と、前記第四面と前記実装面とを接続する第五面とを含み、
前記第二領域の前記第四面は、前記第二面に接続されており、
前記実装面と前記第四面との対向方向から見て、前記第四面及び前記第五面は、前記実装面と重なっている、請求項4~7のいずれか一項に記載の電子部品。 - 前記実装用導体は、前記第一面と前記第二面との対向方向と、前記実装面と前記第四面との対向方向とに直交する方向において、断面L字状を呈している、請求項8に記載の電子部品。
- 前記第二面と前記第三面との接続部分から前記第一面までの最短距離をa、前記第一面と前記第二面との対向方向から見て、前記第一面と前記第三面との接続部分から前記第二面と前記第三面との接続部分までの最短距離をbとしたとき、0.75a≦b≦2aなる関係を満たす、請求項1~9のいずれか一項に記載の電子部品。
- 前記内部導体は、前記素体内でコイルを構成するコイル導体及び当該コイル導体を前記実装用導体に接続する接続導体を含み、
前記実装用導体は、実装用導体層が積層されてなり、
前記コイルのコイル軸は、前記実装用導体層の積層方向に沿って設けられており、
前記接続導体が、前記第一面と前記第三面との接続部分から離間して前記第二領域に接続されている、請求項1~10のいずれか一項に記載の電子部品。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018154645A JP7205109B2 (ja) | 2018-08-21 | 2018-08-21 | 電子部品 |
US16/538,465 US11610709B2 (en) | 2018-08-21 | 2019-08-12 | Electronic component |
CN201910762933.7A CN110853866B (zh) | 2018-08-21 | 2019-08-19 | 电子部件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018154645A JP7205109B2 (ja) | 2018-08-21 | 2018-08-21 | 電子部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020031101A JP2020031101A (ja) | 2020-02-27 |
JP7205109B2 true JP7205109B2 (ja) | 2023-01-17 |
Family
ID=69586397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018154645A Active JP7205109B2 (ja) | 2018-08-21 | 2018-08-21 | 電子部品 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11610709B2 (ja) |
JP (1) | JP7205109B2 (ja) |
CN (1) | CN110853866B (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014175383A (ja) | 2013-03-07 | 2014-09-22 | Murata Mfg Co Ltd | 電子部品 |
JP2017143116A (ja) | 2016-02-09 | 2017-08-17 | 株式会社村田製作所 | 電子部品 |
JP2018137351A (ja) | 2017-02-22 | 2018-08-30 | Tdk株式会社 | 電子部品 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104040652B (zh) * | 2012-01-06 | 2017-03-22 | 株式会社村田制作所 | 电子部件 |
KR20140023141A (ko) * | 2012-08-17 | 2014-02-26 | 삼성전기주식회사 | 인덕터 및 인덕터 제조방법 |
JP6269591B2 (ja) | 2015-06-19 | 2018-01-31 | 株式会社村田製作所 | コイル部品 |
JP6561745B2 (ja) | 2015-10-02 | 2019-08-21 | 株式会社村田製作所 | インダクタ部品、パッケージ部品およびスィッチングレギュレータ |
US10269482B2 (en) * | 2015-10-07 | 2019-04-23 | Murata Manufacturing Co., Ltd. | Lamination inductor |
JP6551305B2 (ja) * | 2015-10-07 | 2019-07-31 | 株式会社村田製作所 | 積層インダクタ |
KR101832589B1 (ko) * | 2016-01-19 | 2018-02-26 | 삼성전기주식회사 | 코일 부품 및 그 제조 방법 |
JP6658415B2 (ja) * | 2016-09-08 | 2020-03-04 | 株式会社村田製作所 | 電子部品 |
JP6575537B2 (ja) * | 2017-01-10 | 2019-09-18 | 株式会社村田製作所 | インダクタ部品 |
JP6801641B2 (ja) * | 2017-12-21 | 2020-12-16 | 株式会社村田製作所 | インダクタ部品 |
JP7174549B2 (ja) * | 2018-07-20 | 2022-11-17 | 株式会社村田製作所 | インダクタ部品 |
-
2018
- 2018-08-21 JP JP2018154645A patent/JP7205109B2/ja active Active
-
2019
- 2019-08-12 US US16/538,465 patent/US11610709B2/en active Active
- 2019-08-19 CN CN201910762933.7A patent/CN110853866B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014175383A (ja) | 2013-03-07 | 2014-09-22 | Murata Mfg Co Ltd | 電子部品 |
JP2017143116A (ja) | 2016-02-09 | 2017-08-17 | 株式会社村田製作所 | 電子部品 |
JP2018137351A (ja) | 2017-02-22 | 2018-08-30 | Tdk株式会社 | 電子部品 |
Also Published As
Publication number | Publication date |
---|---|
CN110853866B (zh) | 2022-04-26 |
US20200066431A1 (en) | 2020-02-27 |
JP2020031101A (ja) | 2020-02-27 |
US11610709B2 (en) | 2023-03-21 |
CN110853866A (zh) | 2020-02-28 |
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