KR101681200B1 - 파워 인덕터 - Google Patents
파워 인덕터 Download PDFInfo
- Publication number
- KR101681200B1 KR101681200B1 KR1020150032400A KR20150032400A KR101681200B1 KR 101681200 B1 KR101681200 B1 KR 101681200B1 KR 1020150032400 A KR1020150032400 A KR 1020150032400A KR 20150032400 A KR20150032400 A KR 20150032400A KR 101681200 B1 KR101681200 B1 KR 101681200B1
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- KR
- South Korea
- Prior art keywords
- metal powder
- power inductor
- thermally conductive
- conductive filler
- metal
- 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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- 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
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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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
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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
- H01F17/02—Fixed inductances of the signal type without 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
- H01F27/24—Magnetic cores
- H01F27/255—Magnetic cores made from particles
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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
- H01F27/2804—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
-
- 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
- H01F41/04—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
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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
- H01F27/2804—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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
도 2는 도 1의 A-A' 라인을 따라 절취한 상태의 단면도.
도 3 내지 도 5는 본 발명의 일 실시 예에 따른 파워 인덕터의 제조 방법을 설명하기 위한 단면도.
310. 320 : 코일 패턴 400 : 외부 전극
500 : 절연층
Claims (12)
- 바디;
상기 바디 내부에 마련된 기재; 및
상기 기재의 적어도 일면 상에 마련된 코일 패턴을 포함하고,
상기 바디는 금속 분말 및 폴리머와, 상기 금속 분말의 열을 외부로 방출하기 위한 열 전도성 필러를 포함하며,
상기 금속 분말은 평균 입경이 1㎛ 내지 50㎛이고, 복수의 크기를 갖는 단일 입자 또는 2종 이상의 입자를 포함하고,
상기 열 전도성 필러는 상기 금속 분말 100wt%에 대하여 0.5wt% 내지 3wt%의 함량으로 포함되며,
상기 열 전도성 필러는 상기 기재를 중심으로 상측 및 하측으로 멀어질수록 함량이 증가하는 파워 인덕터.
- 청구항 1에 있어서, 상기 금속 분말은 철을 포함하는 금속 합금 분말을 포함하는 파워 인덕터.
- 청구항 2에 있어서, 상기 금속 분말은 표면에 자성체가 코팅된 파워 인덕터.
- 청구항 1 또는 청구항 2에 있어서, 상기 열 전도성 필러는 MgO, AlN, 카본 계열의 물질로 구성된 군으로부터 선택된 하나 이상을 포함하는 파워 인덕터.
- 삭제
- 청구항 4에 있어서, 상기 열 전도성 필러는 0.5㎛ 내지 100㎛의 크기를 갖는 파워 인덕터.
- 청구항 1에 있어서, 상기 기재는 철을 포함하는 금속판의 양면 상에 구리 포일이 접합된 파워 인덕터.
- 청구항 1에 있어서, 상기 코일 패턴 상에 형성된 절연층과, 상기 바디의 외측에 형성되어 상기 코일 패턴과 연결된 외부 전극을 더 포함하는 파워 인덕터.
- 삭제
- 삭제
- 삭제
- 삭제
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/502,500 US10573451B2 (en) | 2014-08-07 | 2015-04-27 | Power inductor |
EP15829578.2A EP3179491B1 (en) | 2014-08-07 | 2015-04-27 | Power inductor |
CN201580042194.4A CN106605279B (zh) | 2014-08-07 | 2015-04-27 | 功率电感器 |
PCT/KR2015/004135 WO2016021807A1 (ko) | 2014-08-07 | 2015-04-27 | 파워 인덕터 |
JP2017504678A JP6450448B2 (ja) | 2014-08-07 | 2015-04-27 | パワーインダクター |
TW104113618A TWI604476B (zh) | 2014-08-07 | 2015-04-29 | 功率電感器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140101508 | 2014-08-07 | ||
KR20140101508 | 2014-08-07 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020160155873A Division KR20160136267A (ko) | 2016-11-22 | 2016-11-22 | 파워 인덕터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20160019038A KR20160019038A (ko) | 2016-02-18 |
KR101681200B1 true KR101681200B1 (ko) | 2016-12-01 |
Family
ID=55457962
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150032401A Active KR101662206B1 (ko) | 2014-08-07 | 2015-03-09 | 파워 인덕터 |
KR1020150032400A Active KR101681200B1 (ko) | 2014-08-07 | 2015-03-09 | 파워 인덕터 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150032401A Active KR101662206B1 (ko) | 2014-08-07 | 2015-03-09 | 파워 인덕터 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10573451B2 (ko) |
EP (1) | EP3179491B1 (ko) |
JP (1) | JP6450448B2 (ko) |
KR (2) | KR101662206B1 (ko) |
CN (1) | CN106605279B (ko) |
TW (1) | TWI604476B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11763970B2 (en) | 2019-07-24 | 2023-09-19 | Samsung Electro-Mechanics Co., Ltd. | Coil electronic component |
Families Citing this family (10)
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US10431365B2 (en) * | 2015-03-04 | 2019-10-01 | Murata Manufacturing Co., Ltd. | Electronic component and method for manufacturing electronic component |
JP6668931B2 (ja) * | 2016-05-11 | 2020-03-18 | Tdk株式会社 | コイル部品 |
JP2018019062A (ja) * | 2016-07-27 | 2018-02-01 | サムソン エレクトロ−メカニックス カンパニーリミテッド. | インダクタ |
JP2018182209A (ja) * | 2017-04-19 | 2018-11-15 | 株式会社村田製作所 | コイル部品 |
JP7553220B2 (ja) * | 2018-03-20 | 2024-09-18 | 太陽誘電株式会社 | コイル部品及び電子機器 |
KR102185058B1 (ko) * | 2018-05-24 | 2020-12-01 | 삼성전기주식회사 | 코일부품 및 그 제조방법 |
KR102080651B1 (ko) * | 2018-05-28 | 2020-02-24 | 삼성전기주식회사 | 코일 부품 |
KR102122925B1 (ko) * | 2018-11-02 | 2020-06-15 | 삼성전기주식회사 | 코일 전자부품 |
CN109509613A (zh) * | 2018-12-03 | 2019-03-22 | 惠州市金籁电子有限公司 | 一种一体成型电感器 |
US11631529B2 (en) | 2019-03-19 | 2023-04-18 | Tdk Corporation | Electronic component and coil component |
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US10573451B2 (en) | 2020-02-25 |
KR101662206B1 (ko) | 2016-10-06 |
EP3179491A4 (en) | 2018-04-18 |
TW201606818A (zh) | 2016-02-16 |
TWI604476B (zh) | 2017-11-01 |
KR20160019039A (ko) | 2016-02-18 |
US20170221622A1 (en) | 2017-08-03 |
CN106605279A (zh) | 2017-04-26 |
KR20160019038A (ko) | 2016-02-18 |
JP6450448B2 (ja) | 2019-01-09 |
JP2017524254A (ja) | 2017-08-24 |
EP3179491B1 (en) | 2021-11-10 |
EP3179491A1 (en) | 2017-06-14 |
CN106605279B (zh) | 2018-09-07 |
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