WO2021197513A3 - 一种一体成型电感及其制造方法 - Google Patents

一种一体成型电感及其制造方法 Download PDF

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Publication number
WO2021197513A3
WO2021197513A3 PCT/CN2021/103460 CN2021103460W WO2021197513A3 WO 2021197513 A3 WO2021197513 A3 WO 2021197513A3 CN 2021103460 W CN2021103460 W CN 2021103460W WO 2021197513 A3 WO2021197513 A3 WO 2021197513A3
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WO
WIPO (PCT)
Prior art keywords
magnet
conductor
integrally formed
mold
finished product
Prior art date
Application number
PCT/CN2021/103460
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English (en)
French (fr)
Other versions
WO2021197513A2 (zh
Inventor
王莹莹
李有云
侯勤田
余鑫树
夏胜程
谈敏
姚泽鸿
Original Assignee
东莞顺络电子有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 东莞顺络电子有限公司 filed Critical 东莞顺络电子有限公司
Priority to PCT/CN2021/103460 priority Critical patent/WO2021197513A2/zh
Priority to CN202180001716.1A priority patent/CN113661549A/zh
Publication of WO2021197513A2 publication Critical patent/WO2021197513A2/zh
Publication of WO2021197513A3 publication Critical patent/WO2021197513A3/zh

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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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)

Abstract

一种烧结一体成型电感，包括导体、磁体及散热绝缘包覆层，导体与磁体烧结一体成型，导体的主体部分位于磁体的内部，并从磁体的内部引出导体的两端，散热绝缘包覆层将磁体包覆，但暴露电极。一种制备的烧结一体成型电感的方法，包括步骤：S1.将导体置入模具中，然后依次进行填磁粉，一次模压，热处理，二次模压，烧结，得到模压半成品，其中模压半成品包括磁体和位于磁体的内部的导体，导体两端从磁体内部引出；S2.将涂覆材料涂覆到模压半成品上，烘干后形成散热绝缘包覆层；S3.对导体两端进行电极成型处理和金属化处理。提供了一种高磁导率、高饱和、高转化效率、低损耗的一体成型电感及其制造方法，还提升产品的散热特性、绝缘特性以及抗腐蚀能力。
PCT/CN2021/103460 2021-06-30 2021-06-30 一种一体成型电感及其制造方法 WO2021197513A2 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2021/103460 WO2021197513A2 (zh) 2021-06-30 2021-06-30 一种一体成型电感及其制造方法
CN202180001716.1A CN113661549A (zh) 2021-06-30 2021-06-30 一种一体成型电感及其制造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/103460 WO2021197513A2 (zh) 2021-06-30 2021-06-30 一种一体成型电感及其制造方法

Publications (2)

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WO2021197513A2 WO2021197513A2 (zh) 2021-10-07
WO2021197513A3 true WO2021197513A3 (zh) 2022-04-28

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CN (1) CN113661549A (zh)
WO (1) WO2021197513A2 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114342017B (zh) * 2021-11-23 2023-12-26 深圳顺络电子股份有限公司 一种异形结构电感及其制作方法
CN114999808A (zh) * 2022-07-15 2022-09-02 横店集团东磁股份有限公司 一种模压成型电感及其制备方法与应用
CN115938718B (zh) * 2023-03-09 2023-05-30 天通控股股份有限公司 一种直插式一体成型共烧电感及其制备方法
CN117038298B (zh) * 2023-08-23 2024-02-20 东莞市三体微电子技术有限公司 一种隔离型电感排及其制造方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007266245A (ja) * 2006-03-28 2007-10-11 Kyocera Corp コイル内蔵基板
CN101901668A (zh) * 2009-05-27 2010-12-01 乾坤科技股份有限公司 电感器及其制作方法
CN112435844A (zh) * 2020-12-04 2021-03-02 横店集团东磁股份有限公司 一种一体共烧电感及其制备方法
CN112435845A (zh) * 2020-12-04 2021-03-02 横店集团东磁股份有限公司 一种一体共烧电感及其制备方法
CN112735797A (zh) * 2020-12-24 2021-04-30 横店集团东磁股份有限公司 一种一体式共烧电感及其制备方法与应用
CN112735752A (zh) * 2020-12-24 2021-04-30 横店集团东磁股份有限公司 一种一体成型共烧电感及其制备方法与应用

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007266245A (ja) * 2006-03-28 2007-10-11 Kyocera Corp コイル内蔵基板
CN101901668A (zh) * 2009-05-27 2010-12-01 乾坤科技股份有限公司 电感器及其制作方法
CN112435844A (zh) * 2020-12-04 2021-03-02 横店集团东磁股份有限公司 一种一体共烧电感及其制备方法
CN112435845A (zh) * 2020-12-04 2021-03-02 横店集团东磁股份有限公司 一种一体共烧电感及其制备方法
CN112735797A (zh) * 2020-12-24 2021-04-30 横店集团东磁股份有限公司 一种一体式共烧电感及其制备方法与应用
CN112735752A (zh) * 2020-12-24 2021-04-30 横店集团东磁股份有限公司 一种一体成型共烧电感及其制备方法与应用

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CN113661549A (zh) 2021-11-16
WO2021197513A2 (zh) 2021-10-07

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