JP7487120B2 - 積層インダクタ、及び積層インダクタの実装構造 - Google Patents
積層インダクタ、及び積層インダクタの実装構造 Download PDFInfo
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- JP7487120B2 JP7487120B2 JP2021001494A JP2021001494A JP7487120B2 JP 7487120 B2 JP7487120 B2 JP 7487120B2 JP 2021001494 A JP2021001494 A JP 2021001494A JP 2021001494 A JP2021001494 A JP 2021001494A JP 7487120 B2 JP7487120 B2 JP 7487120B2
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- Prior art keywords
- laminated inductor
- element body
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- conductor
- Prior art date
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- 239000004020 conductor Substances 0.000 claims description 61
- 239000000758 substrate Substances 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims 1
- 238000003475 lamination Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000002003 electrode paste Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 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
- 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
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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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/006—Details of transformers or inductances, in general with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance
-
- 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
-
- 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
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
- H01F2027/065—Mounting on printed circuit boards
-
- 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)
Description
図1~図3を参照して、本発明の第1実施形態に係る積層インダクタを説明する。図1は、本発明の第1実施形態に係る積層インダクタ1を示す斜視図である。図2(a)は、図1に示すIIa-IIa線に沿った断面図である。図2(b)は、図1に示すIIb-IIb線に沿った断面図である。図3(a)は、図1に示すIIIa-IIIa線に沿った断面図である。図3(b)は、図1に示すIIIb-IIIb線に沿った断面図である。
次に、図4及び図5を参照して、第2実施形態に係る積層インダクタ1について説明する。図4(a)は第2実施形態に係る積層インダクタ1を示す図2(a)に対応する断面図である。図4(b)は第2実施形態に係る積層インダクタ1を示す図2(b)に対応する断面図である。図5(a)は第2実施形態に係る積層インダクタ1を示す図3(a)に対応する断面図である。図5(b)は第2実施形態に係る積層インダクタ1を示す図3(b)に対応する断面図である。
Claims (4)
- 絶縁体からなる複数の層を積層方向へ積層することによって形成された素体と、
前記素体の少なくとも一つの側面に設けられた端子電極と、
前記素体内に設けられ、第1の方向に延びる直線状の導体部と、を備え、
前記第1の方向と直交する第2の方向から見たときに、前記導体部は、前記端子電極と重なる領域に第1の部分を有すると共に、前記端子電極と重ならない領域に第2の部分を有し、
前記第2の方向から見たときの前記第1の部分の幅は、前記第2の部分の幅に比して小さい、積層インダクタ。 - 前記第1の方向及び前記第2の方向と直交する第3の方向から見たときの前記第1の部分の幅は、前記第2の部分の幅に比して小さい、請求項1に記載の積層インダクタ。
- 前記第1の方向から見て、前記導体部は、前記第1の方向及び前記第2の方向と直交する第3の方向に広がる形状を有しており、
前記素体には、前記導体部の姿勢を識別するマークが形成されている、請求項1又は2に記載の積層インダクタ。 - 請求項1~3の何れか一項に記載の積層インダクタと、
前記端子電極を介して前記積層インダクタが実装される実装基板と、を備え、
前記積層インダクタは、前記第1の方向から見て、前記導体部が前記実装基板の実装面から立ち上がるように実装される、積層インダクタの実装構造。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021001494A JP7487120B2 (ja) | 2021-01-07 | 2021-01-07 | 積層インダクタ、及び積層インダクタの実装構造 |
CN202111562194.0A CN114724800B (zh) | 2021-01-07 | 2021-12-20 | 层叠电感器、及层叠电感器的安装结构 |
US17/568,754 US20220216003A1 (en) | 2021-01-07 | 2022-01-05 | Multilayer inductor and mounting structure of multilayer inductor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021001494A JP7487120B2 (ja) | 2021-01-07 | 2021-01-07 | 積層インダクタ、及び積層インダクタの実装構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022106473A JP2022106473A (ja) | 2022-07-20 |
JP7487120B2 true JP7487120B2 (ja) | 2024-05-20 |
Family
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Family Applications (1)
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JP2021001494A Active JP7487120B2 (ja) | 2021-01-07 | 2021-01-07 | 積層インダクタ、及び積層インダクタの実装構造 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20220216003A1 (ja) |
JP (1) | JP7487120B2 (ja) |
CN (1) | CN114724800B (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004303947A (ja) | 2003-03-31 | 2004-10-28 | Matsushita Electric Ind Co Ltd | 複合電子部品 |
JP2006339617A (ja) | 2005-06-06 | 2006-12-14 | Murata Mfg Co Ltd | 電子部品 |
JP2008172096A (ja) | 2007-01-12 | 2008-07-24 | Tdk Corp | 複合電子部品 |
JP2019114669A (ja) | 2017-12-25 | 2019-07-11 | Tdk株式会社 | 電子部品 |
JP2021136336A (ja) | 2020-02-27 | 2021-09-13 | Tdk株式会社 | 積層コイル部品 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10144526A (ja) * | 1996-11-05 | 1998-05-29 | Murata Mfg Co Ltd | 積層チップインダクタ |
JP2006086216A (ja) * | 2004-09-14 | 2006-03-30 | Tdk Corp | インダクタンス素子 |
JP5458603B2 (ja) * | 2009-02-27 | 2014-04-02 | 株式会社村田製作所 | 電子部品 |
WO2013005482A1 (ja) * | 2011-07-06 | 2013-01-10 | 株式会社村田製作所 | 電子部品 |
-
2021
- 2021-01-07 JP JP2021001494A patent/JP7487120B2/ja active Active
- 2021-12-20 CN CN202111562194.0A patent/CN114724800B/zh active Active
-
2022
- 2022-01-05 US US17/568,754 patent/US20220216003A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004303947A (ja) | 2003-03-31 | 2004-10-28 | Matsushita Electric Ind Co Ltd | 複合電子部品 |
JP2006339617A (ja) | 2005-06-06 | 2006-12-14 | Murata Mfg Co Ltd | 電子部品 |
JP2008172096A (ja) | 2007-01-12 | 2008-07-24 | Tdk Corp | 複合電子部品 |
JP2019114669A (ja) | 2017-12-25 | 2019-07-11 | Tdk株式会社 | 電子部品 |
JP2021136336A (ja) | 2020-02-27 | 2021-09-13 | Tdk株式会社 | 積層コイル部品 |
Also Published As
Publication number | Publication date |
---|---|
CN114724800A (zh) | 2022-07-08 |
CN114724800B (zh) | 2024-09-17 |
US20220216003A1 (en) | 2022-07-07 |
JP2022106473A (ja) | 2022-07-20 |
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