WO2021104526A3 - 一体成型电感及其制作方法 - Google Patents

一体成型电感及其制作方法 Download PDF

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Publication number
WO2021104526A3
WO2021104526A3 PCT/CN2020/133767 CN2020133767W WO2021104526A3 WO 2021104526 A3 WO2021104526 A3 WO 2021104526A3 CN 2020133767 W CN2020133767 W CN 2020133767W WO 2021104526 A3 WO2021104526 A3 WO 2021104526A3
Authority
WO
WIPO (PCT)
Prior art keywords
coil
magnet
lead
integrally formed
out ends
Prior art date
Application number
PCT/CN2020/133767
Other languages
English (en)
French (fr)
Other versions
WO2021104526A2 (zh
Inventor
柳祥武
张姝娟
洪瑜鹏
王焊伶
邵庆云
Original Assignee
深圳顺络电子股份有限公司
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 深圳顺络电子股份有限公司 filed Critical 深圳顺络电子股份有限公司
Priority to PCT/CN2020/133767 priority Critical patent/WO2021104526A2/zh
Priority to CN202080003182.1A priority patent/CN112640017A/zh
Publication of WO2021104526A2 publication Critical patent/WO2021104526A2/zh
Publication of WO2021104526A3 publication Critical patent/WO2021104526A3/zh

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00—Lapping machines or devices; Accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B37/00—Lapping machines or devices; Accessories
    • B24B37/27—Work carriers
    • 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
    • H01F27/255—Magnetic cores made from particles
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Microelectronics & Electronic Packaging (AREA)

Abstract

一体成型电感及其制作方法，该方法包括如下步骤：S1、预制有两个引出端的线圈；S2、将所述线圈放置于型腔中；S3、将软磁粉或软磁磁胶注入到所述型腔中，经过压制后在所述线圈上一体成型磁体；S4、对成型好的所述磁体进行研磨降面处理，使所述磁体的厚度降低到预定的尺寸范围内，且所述线圈的所述引出端暴露在处理后的所述磁体外；S5、对暴露在外的所述引出端进行金属化形成电极。此方法可弥补传统的以模压成型工艺制作电感的不足，制作出尺寸较薄且良率较高的一体成型电感，同时可降低对成型工序模具精度要求，降低模具损耗及加工成本。
PCT/CN2020/133767 2020-12-04 2020-12-04 一体成型电感及其制作方法 WO2021104526A2 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2020/133767 WO2021104526A2 (zh) 2020-12-04 2020-12-04 一体成型电感及其制作方法
CN202080003182.1A CN112640017A (zh) 2020-12-04 2020-12-04 一体成型电感及其制作方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/133767 WO2021104526A2 (zh) 2020-12-04 2020-12-04 一体成型电感及其制作方法

Publications (2)

Publication Number Publication Date
WO2021104526A2 WO2021104526A2 (zh) 2021-06-03
WO2021104526A3 true WO2021104526A3 (zh) 2021-10-14

Family

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PCT/CN2020/133767 WO2021104526A2 (zh) 2020-12-04 2020-12-04 一体成型电感及其制作方法

Country Status (2)

Country Link
CN (1) CN112640017A (zh)
WO (1) WO2021104526A2 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200303114A1 (en) * 2019-03-22 2020-09-24 Cyntec Co., Ltd. Inductor array in a single package
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1391241A (zh) * 2001-06-11 2003-01-15 曾德禄 薄形电感器的制造方法
JP2010034102A (ja) * 2008-07-25 2010-02-12 Toko Inc 複合磁性粘土材とそれを用いた磁性コアおよび磁性素子
CN109427461A (zh) * 2017-09-04 2019-03-05 株式会社村田制作所 电感器部件
CN109671551A (zh) * 2017-10-17 2019-04-23 株式会社村田制作所 电感部件
CN110517859A (zh) * 2019-07-25 2019-11-29 深圳顺络电子股份有限公司 一种电感元器件及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9087634B2 (en) * 2013-03-14 2015-07-21 Sumida Corporation Method for manufacturing electronic component with coil
CN203875753U (zh) * 2014-05-07 2014-10-15 苏州金牛精密机械有限公司 手动研磨产品倒角角度治具
CN206632834U (zh) * 2017-02-16 2017-11-14 麦格磁电科技（珠海）有限公司 一种研磨切割机的快速高精度支承定位治具
CN210307328U (zh) * 2019-08-21 2020-04-14 杭州科兴磁业有限公司 一种用于螺钉状永磁的端面打磨夹具
CN111906618B (zh) * 2020-08-13 2021-10-26 佛山市川东磁电股份有限公司 一种磁铁磨工艺角治具

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1391241A (zh) * 2001-06-11 2003-01-15 曾德禄 薄形电感器的制造方法
JP2010034102A (ja) * 2008-07-25 2010-02-12 Toko Inc 複合磁性粘土材とそれを用いた磁性コアおよび磁性素子
CN109427461A (zh) * 2017-09-04 2019-03-05 株式会社村田制作所 电感器部件
CN109671551A (zh) * 2017-10-17 2019-04-23 株式会社村田制作所 电感部件
CN110517859A (zh) * 2019-07-25 2019-11-29 深圳顺络电子股份有限公司 一种电感元器件及其制备方法

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Publication number Publication date
WO2021104526A2 (zh) 2021-06-03
CN112640017A (zh) 2021-04-09

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