CN1574122A - 线圈部件及其制造方法 - Google Patents
线圈部件及其制造方法 Download PDFInfo
- Publication number
- CN1574122A CN1574122A CNA2004100592443A CN200410059244A CN1574122A CN 1574122 A CN1574122 A CN 1574122A CN A2004100592443 A CNA2004100592443 A CN A2004100592443A CN 200410059244 A CN200410059244 A CN 200410059244A CN 1574122 A CN1574122 A CN 1574122A
- Authority
- CN
- China
- Prior art keywords
- coil
- coil component
- powder
- insulator
- resin
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 20
- 239000000843 powder Substances 0.000 claims abstract description 80
- 239000012212 insulator Substances 0.000 claims abstract description 77
- 239000011347 resin Substances 0.000 claims abstract description 73
- 229920005989 resin Polymers 0.000 claims abstract description 73
- 239000000203 mixture Substances 0.000 claims abstract description 47
- 239000006247 magnetic powder Substances 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 62
- 239000000463 material Substances 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 18
- 230000001052 transient effect Effects 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 230000035699 permeability Effects 0.000 claims description 12
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 9
- 229910017082 Fe-Si Inorganic materials 0.000 claims description 8
- 229910017133 Fe—Si Inorganic materials 0.000 claims description 8
- 208000034189 Sclerosis Diseases 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 229910002796 Si–Al Inorganic materials 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 239000011796 hollow space material Substances 0.000 claims description 6
- 229910010272 inorganic material Inorganic materials 0.000 claims description 6
- 239000011147 inorganic material Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 3
- 229940024545 aluminum hydroxide Drugs 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000013007 heat curing Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims 7
- 230000002093 peripheral effect Effects 0.000 claims 4
- 229920001296 polysiloxane Polymers 0.000 claims 2
- 238000005538 encapsulation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000012762 magnetic filler Substances 0.000 description 9
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000001723 curing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 230000005534 acoustic noise Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009689 gas atomisation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001061264 Astragalus Species 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004842 bisphenol F epoxy resin Substances 0.000 description 1
- -1 carboxyl acid anhydride Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- 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
- 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
- H01F1/147—Alloys characterised by their composition
- H01F1/14708—Fe-Ni based alloys
- H01F1/14733—Fe-Ni based alloys in the form of particles
- H01F1/14741—Fe-Ni based alloys in the form of particles pressed, sintered or bonded together
- H01F1/1475—Fe-Ni based alloys in the form of particles pressed, sintered or bonded together the particles being insulated
-
- 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
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15358—Making agglomerates therefrom, e.g. by pressing
- H01F1/15366—Making agglomerates therefrom, e.g. by pressing using a binder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/08—Cores, Yokes, or armatures made from powder
-
- 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
- H01F41/005—Impregnating or encapsulating
-
- 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
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- 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
- H01F17/045—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
- H01F2017/046—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis
-
- 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)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Soft Magnetic Materials (AREA)
- Insulating Of Coils (AREA)
Abstract
Description
Claims (54)
Applications Claiming Priority (20)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003168055 | 2003-06-12 | ||
JP2003168055 | 2003-06-12 | ||
JP2003172313 | 2003-06-17 | ||
JP2003172313 | 2003-06-17 | ||
JP2003185303 | 2003-06-27 | ||
JP2003185303 | 2003-06-27 | ||
JP2003206300 | 2003-08-06 | ||
JP2003206300 | 2003-08-06 | ||
JP2003323673 | 2003-09-16 | ||
JP2003323673 | 2003-09-16 | ||
JP2003360606 | 2003-10-21 | ||
JP2003360606 | 2003-10-21 | ||
JP2003399664 | 2003-11-28 | ||
JP2003399664 | 2003-11-28 | ||
JP2004033576 | 2004-02-10 | ||
JP2004033576 | 2004-02-10 | ||
JP2004063989 | 2004-03-08 | ||
JP2004063989 | 2004-03-08 | ||
JP2004146858 | 2004-05-17 | ||
JP2004146858 | 2004-05-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1574122A true CN1574122A (zh) | 2005-02-02 |
CN100565723C CN100565723C (zh) | 2009-12-02 |
Family
ID=33304309
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2004100592392A Pending CN1574125A (zh) | 2003-06-12 | 2004-06-14 | 磁芯和使用该磁芯的线圈部件 |
CNB2004100592443A Expired - Lifetime CN100565723C (zh) | 2003-06-12 | 2004-06-14 | 线圈部件及其制造方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2004100592392A Pending CN1574125A (zh) | 2003-06-12 | 2004-06-14 | 磁芯和使用该磁芯的线圈部件 |
Country Status (5)
Country | Link |
---|---|
US (2) | US7427909B2 (zh) |
EP (2) | EP1486993B1 (zh) |
KR (2) | KR101096958B1 (zh) |
CN (2) | CN1574125A (zh) |
DE (1) | DE602004005103T2 (zh) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101847489A (zh) * | 2009-03-27 | 2010-09-29 | 株式会社电装 | 用于电气设备的电抗器 |
CN102859623A (zh) * | 2010-03-20 | 2013-01-02 | 大同特殊钢株式会社 | 包覆线圈成型体的制造方法及包覆线圈成型体 |
CN103003896A (zh) * | 2010-07-13 | 2013-03-27 | 住友电气工业株式会社 | 电抗器及线圈构件 |
CN103098152A (zh) * | 2010-09-09 | 2013-05-08 | 株式会社村田制作所 | 含磁铁矿的树脂及电子部件 |
CN103098153A (zh) * | 2010-09-13 | 2013-05-08 | 住友电气工业株式会社 | 电抗器及制造该电抗器的方法 |
CN103809835A (zh) * | 2012-11-09 | 2014-05-21 | 兄弟工业株式会社 | 信息输入设备 |
CN103996515A (zh) * | 2010-11-25 | 2014-08-20 | 乾坤科技股份有限公司 | 电感以及制造电感的方法 |
CN104036934A (zh) * | 2013-03-06 | 2014-09-10 | 株式会社东芝 | 电感器及其制造方法 |
CN104284941A (zh) * | 2012-04-26 | 2015-01-14 | 株式会社村田制作所 | 含有磁性金属的树脂、以及使用该树脂的线圈部件和电子部件 |
CN104425121B (zh) * | 2013-08-27 | 2017-11-21 | 三积瑞科技(苏州)有限公司 | 镶埋式合金电感的制造方法 |
CN107546001A (zh) * | 2016-06-28 | 2018-01-05 | 株式会社东金 | 电抗器 |
CN113035498A (zh) * | 2019-12-24 | 2021-06-25 | Tdk株式会社 | 线圈部件 |
Families Citing this family (108)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7381483B2 (en) * | 2002-06-24 | 2008-06-03 | The Hong Kong Polytechnic University | Core having magnetic properties |
US7427909B2 (en) * | 2003-06-12 | 2008-09-23 | Nec Tokin Corporation | Coil component and fabrication method of the same |
JP4851062B2 (ja) * | 2003-12-10 | 2012-01-11 | スミダコーポレーション株式会社 | インダクタンス素子の製造方法 |
FR2874741A1 (fr) * | 2004-08-30 | 2006-03-03 | Thomson Licensing Sa | Bobine de deflexion amelioree pour tube a rayons cathodiques |
JP4856890B2 (ja) * | 2005-04-28 | 2012-01-18 | スミダコーポレーション株式会社 | チョークコイル |
US7724119B2 (en) * | 2005-05-03 | 2010-05-25 | Schleifring Und Apparatebau Gmbh | Inductive rotary joint comprising polymer material |
TWI254951B (en) * | 2005-05-13 | 2006-05-11 | Delta Electronics Inc | A choke coil |
US20070016262A1 (en) | 2005-07-13 | 2007-01-18 | Betastim, Ltd. | Gi and pancreatic device for treating obesity and diabetes |
JP4577840B2 (ja) * | 2005-07-28 | 2010-11-10 | サンコール株式会社 | エッジワイズコイルの製造方法 |
US7362201B2 (en) * | 2005-09-07 | 2008-04-22 | Yonezawa Electric Wire Co., Ltd. | Inductance device and manufacturing method thereof |
TWI264740B (en) * | 2005-12-08 | 2006-10-21 | Delta Electronics Inc | Embedded inductor and manufacturing method thereof |
US8091211B2 (en) | 2006-05-11 | 2012-01-10 | Tamura Corporation | Method for forming coil |
US8400245B2 (en) | 2008-07-11 | 2013-03-19 | Cooper Technologies Company | High current magnetic component and methods of manufacture |
US8310332B2 (en) | 2008-10-08 | 2012-11-13 | Cooper Technologies Company | High current amorphous powder core inductor |
US8378777B2 (en) * | 2008-07-29 | 2013-02-19 | Cooper Technologies Company | Magnetic electrical device |
US8941457B2 (en) * | 2006-09-12 | 2015-01-27 | Cooper Technologies Company | Miniature power inductor and methods of manufacture |
US8466764B2 (en) * | 2006-09-12 | 2013-06-18 | Cooper Technologies Company | Low profile layered coil and cores for magnetic components |
JP4858035B2 (ja) * | 2006-09-19 | 2012-01-18 | トヨタ自動車株式会社 | リアクトルのコアおよびリアクトル |
DE202006015611U1 (de) * | 2006-10-11 | 2008-02-21 | Vogt Electronic Components Gmbh | Induktives Bauelement |
JP4446487B2 (ja) * | 2006-10-17 | 2010-04-07 | 新東ホールディングス株式会社 | インダクタおよびインダクタの製造方法 |
TW200826123A (en) * | 2006-12-01 | 2008-06-16 | Delta Electronics Inc | Noise filter and manufacturing method thereof |
US7839952B2 (en) * | 2006-12-05 | 2010-11-23 | Provigent Ltd | Data rate coordination in protected variable-rate links |
US7904175B2 (en) | 2007-04-26 | 2011-03-08 | Cyberonics, Inc. | Trans-esophageal vagus nerve stimulation |
US7962214B2 (en) | 2007-04-26 | 2011-06-14 | Cyberonics, Inc. | Non-surgical device and methods for trans-esophageal vagus nerve stimulation |
US7869884B2 (en) | 2007-04-26 | 2011-01-11 | Cyberonics, Inc. | Non-surgical device and methods for trans-esophageal vagus nerve stimulation |
US8125305B2 (en) * | 2007-05-21 | 2012-02-28 | Kabushiki Kaisha Toshiba | Inductance element, method for manufacturing the same, and switching power supply using the same |
SE533657C2 (sv) * | 2007-10-16 | 2010-11-23 | Magnetic Components Sweden Ab | Pulverbaserad, mjukmagnetisk, induktiv komponent samt metod och anordning för tillverkning därav |
US20090128276A1 (en) * | 2007-11-19 | 2009-05-21 | John Horowy | Light weight reworkable inductor |
CN101578671B (zh) * | 2007-11-21 | 2012-04-18 | 松下电器产业株式会社 | 线圈零件 |
US20090273425A1 (en) * | 2008-04-25 | 2009-11-05 | Tremaine John M | Power supply center |
US9558881B2 (en) | 2008-07-11 | 2017-01-31 | Cooper Technologies Company | High current power inductor |
US8279037B2 (en) * | 2008-07-11 | 2012-10-02 | Cooper Technologies Company | Magnetic components and methods of manufacturing the same |
US8659379B2 (en) * | 2008-07-11 | 2014-02-25 | Cooper Technologies Company | Magnetic components and methods of manufacturing the same |
US9859043B2 (en) | 2008-07-11 | 2018-01-02 | Cooper Technologies Company | Magnetic components and methods of manufacturing the same |
US7948342B2 (en) * | 2008-07-24 | 2011-05-24 | Cutt-A-Watt Enterprises, Llc | Electromotive rectification system |
JP5197220B2 (ja) * | 2008-08-07 | 2013-05-15 | 株式会社デンソー | リアクトルの製造方法 |
US7692525B1 (en) * | 2008-09-30 | 2010-04-06 | Rockwell Automation Technologies, Inc. | Power electronic module with an improved choke and methods of making same |
JP2010118574A (ja) | 2008-11-14 | 2010-05-27 | Denso Corp | リアクトル、及びその製造方法 |
US7911308B2 (en) * | 2008-11-26 | 2011-03-22 | Rippel Wally E | Low thermal impedance conduction cooled magnetics |
US20100277267A1 (en) * | 2009-05-04 | 2010-11-04 | Robert James Bogert | Magnetic components and methods of manufacturing the same |
US20100286628A1 (en) * | 2009-05-07 | 2010-11-11 | Rainbow Medical Ltd | Gastric anchor |
US20110066175A1 (en) * | 2009-05-07 | 2011-03-17 | Rainbow Medical Ltd. | Gastric anchor |
US8414559B2 (en) * | 2009-05-07 | 2013-04-09 | Rainbow Medical Ltd. | Gastroretentive duodenal pill |
TWI407462B (zh) * | 2009-05-15 | 2013-09-01 | Cyntec Co Ltd | 電感器及其製作方法 |
WO2011027559A1 (ja) * | 2009-09-03 | 2011-03-10 | パナソニック株式会社 | コイル部品およびその製造方法 |
CN102074333B (zh) * | 2009-11-24 | 2013-06-05 | 台达电子工业股份有限公司 | 混合材料磁芯组、磁性元件及制法 |
JP4737477B1 (ja) * | 2010-02-25 | 2011-08-03 | 住友電気工業株式会社 | リアクトルの製造方法 |
KR20130006459A (ko) * | 2010-03-20 | 2013-01-16 | 다이도 일렉트로닉스 씨오., 엘티디. | 리액터 및 그 제조 방법 |
JP5170908B2 (ja) * | 2010-04-20 | 2013-03-27 | 古河電気工業株式会社 | 基板および基板の製造方法 |
JP5353813B2 (ja) * | 2010-05-14 | 2013-11-27 | 株式会社豊田自動織機 | コイル部品、リアクトル、コイル部品の成形方法 |
JP5605550B2 (ja) * | 2010-06-16 | 2014-10-15 | 住友電気工業株式会社 | リアクトル及びその製造方法 |
JP5561536B2 (ja) * | 2010-06-17 | 2014-07-30 | 住友電気工業株式会社 | リアクトル、及びコンバータ |
JP5991460B2 (ja) | 2011-03-24 | 2016-09-14 | 住友電気工業株式会社 | 複合材料、リアクトル用コア、及びリアクトル |
JP5995181B2 (ja) * | 2011-03-24 | 2016-09-21 | 住友電気工業株式会社 | 複合材料、リアクトル用コア、及びリアクトル |
JP6127365B2 (ja) * | 2011-04-28 | 2017-05-17 | 住友電気工業株式会社 | リアクトル、複合材料、リアクトル用コア、コンバータ、及び電力変換装置 |
US20130002391A1 (en) * | 2011-06-28 | 2013-01-03 | Samsung Electro-Mechanics Co., Ltd. | Multilayered power inductor and method for preparing the same |
JP2013026419A (ja) * | 2011-07-20 | 2013-02-04 | Sumitomo Electric Ind Ltd | リアクトル |
CN103988268A (zh) * | 2011-10-28 | 2014-08-13 | Abb技术有限公司 | 用于具有非直线芯部的变压器的整体模具 |
US10529475B2 (en) * | 2011-10-29 | 2020-01-07 | Intersil Americas LLC | Inductor structure including inductors with negligible magnetic coupling therebetween |
JP2013254911A (ja) * | 2012-06-08 | 2013-12-19 | Sumida Corporation | 磁性素子の製造方法および磁性素子 |
US9136213B2 (en) * | 2012-08-02 | 2015-09-15 | Infineon Technologies Ag | Integrated system and method of making the integrated system |
US9520224B2 (en) | 2012-08-14 | 2016-12-13 | Siemens Energy, Inc. | Use of alumina paper for strain relief and electrical insulation in high-temperature coil windings |
JP5741883B2 (ja) * | 2012-10-19 | 2015-07-01 | 株式会社村田製作所 | 積層コイル部品とその製造方法 |
JP6084433B2 (ja) * | 2012-10-30 | 2017-02-22 | Necトーキン株式会社 | リアクトル |
JP5807646B2 (ja) | 2013-01-15 | 2015-11-10 | トヨタ自動車株式会社 | 冷却器付きリアクトル |
US10840005B2 (en) * | 2013-01-25 | 2020-11-17 | Vishay Dale Electronics, Llc | Low profile high current composite transformer |
JP5697707B2 (ja) * | 2013-03-28 | 2015-04-08 | トヨタ自動車株式会社 | リアクトル |
JP5754463B2 (ja) * | 2013-04-26 | 2015-07-29 | トヨタ自動車株式会社 | リアクトル |
US20150336372A1 (en) * | 2013-05-28 | 2015-11-26 | Claude Louis Van Ness | Screen Printing Device and Method |
KR101450471B1 (ko) * | 2013-08-27 | 2014-10-13 | 주식회사 두산 | 배치 경화 방식을 이용하는 연성 금속박 적층판의 제조방법 |
JP6318874B2 (ja) * | 2014-06-03 | 2018-05-09 | 株式会社デンソー | リアクトル |
KR101640561B1 (ko) * | 2014-11-21 | 2016-07-22 | (주)창성 | 자기코어와 코일매립형인덕터의 상온하몰딩제조방법 및 이를 이용해 제조된 자기코어 및 코일매립형인덕터 |
KR102105395B1 (ko) * | 2015-01-19 | 2020-04-28 | 삼성전기주식회사 | 칩 전자부품 및 칩 전자부품의 실장 기판 |
KR102105396B1 (ko) * | 2015-01-28 | 2020-04-28 | 삼성전기주식회사 | 칩 전자부품 및 칩 전자부품의 실장 기판 |
US20160254086A1 (en) * | 2015-02-26 | 2016-09-01 | Samsung Electro-Mechanics Co., Ltd. | Coil component |
DE102015210854A1 (de) * | 2015-06-12 | 2016-12-15 | Würth Elektronik eiSos Gmbh & Co. KG | Magnetkern-Gehäuse-Anordnung und Verfahren zur Herstellung einer Magnetkern-Gehäuse-Anordnung |
CN105244138A (zh) * | 2015-11-18 | 2016-01-13 | 上海鹰峰电子科技有限公司 | 铝合金散热风道电抗器 |
KR102522283B1 (ko) | 2015-11-19 | 2023-04-19 | 삼성디스플레이 주식회사 | 백라이트 유닛 |
KR101832592B1 (ko) * | 2016-01-29 | 2018-02-26 | 삼성전기주식회사 | 코일 전자부품 |
KR101832595B1 (ko) * | 2016-02-18 | 2018-02-26 | 삼성전기주식회사 | 코일 전자부품 |
KR101808176B1 (ko) | 2016-04-07 | 2018-01-18 | (주)창성 | 연자성몰딩액을 이용한 코일매립형인덕터의 제조방법 및 이를 이용하여 제조된 코일매립형인덕터 |
JP2017191925A (ja) * | 2016-04-12 | 2017-10-19 | センチュリーイノヴェーション株式会社 | コイル部品及びその製造方法 |
KR101856580B1 (ko) * | 2016-04-21 | 2018-06-25 | (주)창성 | Dc-dc 컨버터용 일체형코일매립형인덕터어셈블리의 제조방법 및 이를 이용하여 제조된 일체형코일매립형인덕터어셈블리 |
KR101825593B1 (ko) * | 2016-04-21 | 2018-02-06 | (주)창성 | 포어가 제거된 코일매립형인덕터의 제조방법 |
KR101827823B1 (ko) * | 2016-04-21 | 2018-02-09 | (주)창성 | 고효율 dc-dc 컨버터용 코일매립형인덕터의 제조방법, 이를 이용하여 제조된 코일매립형인덕터 및 고효율 dc-dc 컨버터 |
US10998124B2 (en) | 2016-05-06 | 2021-05-04 | Vishay Dale Electronics, Llc | Nested flat wound coils forming windings for transformers and inductors |
US10777342B2 (en) * | 2016-06-15 | 2020-09-15 | Taiyo Yuden Co., Ltd. | Coil component and method for manufacturing the same |
KR102632343B1 (ko) * | 2016-08-26 | 2024-02-02 | 삼성전기주식회사 | 인덕터 어레이 부품 및 그의 실장 기판 |
CN116344173A (zh) * | 2016-08-31 | 2023-06-27 | 韦沙戴尔电子有限公司 | 具有低直流电阻的高电流线圈的电感器 |
WO2018048394A1 (en) | 2016-09-07 | 2018-03-15 | South Dakota Board Of Regents | Thermally stabilized redox materials and applications thereof |
WO2018052107A1 (ja) * | 2016-09-15 | 2018-03-22 | 日立金属株式会社 | 磁心およびコイル部品 |
JP6471882B2 (ja) * | 2016-09-15 | 2019-02-20 | 日立金属株式会社 | 磁心およびコイル部品 |
KR102602926B1 (ko) * | 2016-12-08 | 2023-11-22 | 현대자동차주식회사 | 몰드 인덕터 및 그 제조방법 |
US10262784B2 (en) * | 2017-01-10 | 2019-04-16 | General Electric Company | Ceramic insulated transformer |
US20180197676A1 (en) * | 2017-01-10 | 2018-07-12 | General Electric Company | Insulation for tranformer or inductor |
JP2018182204A (ja) * | 2017-04-19 | 2018-11-15 | 株式会社村田製作所 | コイル部品 |
JP7287274B2 (ja) * | 2017-04-19 | 2023-06-06 | 味の素株式会社 | 樹脂組成物 |
EP3483905B1 (en) * | 2017-11-10 | 2020-07-15 | ABB Schweiz AG | Choke |
JP7006216B2 (ja) * | 2017-12-13 | 2022-02-10 | 株式会社ジェイテクト | 触知センサ及びアンドロイド |
KR20200040587A (ko) * | 2018-10-10 | 2020-04-20 | 엘지전자 주식회사 | 트랜스포머, 및 이를 구비하는 전력변환장치 또는 태양광 모듈 |
JP7022344B2 (ja) * | 2018-11-14 | 2022-02-18 | 株式会社オートネットワーク技術研究所 | リアクトル |
CN109559865B (zh) * | 2018-12-04 | 2020-10-30 | 安徽迪维乐普非晶器材有限公司 | 一种新型非晶磁芯粘结剂的制备方法 |
JP7480614B2 (ja) * | 2020-07-20 | 2024-05-10 | 株式会社村田製作所 | コイル部品の製造方法 |
USD1034462S1 (en) | 2021-03-01 | 2024-07-09 | Vishay Dale Electronics, Llc | Inductor package |
CN113450988B (zh) * | 2021-05-18 | 2023-07-21 | 深圳市华控科技集团有限公司 | 一种高磁导率的电感用软磁粉末原料叠层处理方法 |
US11948724B2 (en) | 2021-06-18 | 2024-04-02 | Vishay Dale Electronics, Llc | Method for making a multi-thickness electro-magnetic device |
CN114420401B (zh) * | 2022-01-04 | 2022-12-27 | 上海第一机床厂有限公司 | 一种核电站控制棒驱动机构用电磁线圈 |
DE102022211604A1 (de) | 2022-11-03 | 2024-05-08 | Zf Friedrichshafen Ag | Speicherdrossel für einen Gleichspannungswandler mit einer magnetischen Vergussmasse |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1718A (en) * | 1840-08-12 | Machine for filing or smoothing the teeth osi saws | ||
US74564A (en) * | 1868-02-18 | mcdougall | ||
US12581A (en) * | 1855-03-27 | Pbepabibtg woolen roving | ||
US1982689A (en) | 1931-03-16 | 1934-12-04 | Johnson Lab Inc | Magnetic core material |
US1946964A (en) | 1933-07-11 | 1934-02-13 | Boonton Res Corp | Magnetic material and process of making the same |
US3268878A (en) * | 1962-10-10 | 1966-08-23 | Ex Cell O Corp | Electromagnetic transducer heads |
GB1494078A (en) | 1973-11-16 | 1977-12-07 | Emi Ltd | Inductors and methods of constructing them |
SU707672A1 (ru) * | 1977-05-17 | 1980-01-05 | Lemeshko Dmitrij S | Облицовочна смесь дл изготовлени литейных форм и стержней |
JPS5416664A (en) * | 1977-06-08 | 1979-02-07 | Nippon Kinzoku Co Ltd | Reactor |
JPS59119710A (ja) * | 1982-12-27 | 1984-07-11 | Toshiba Corp | 鉄心 |
DE3743222A1 (de) | 1987-12-19 | 1989-06-29 | Asea Brown Boveri | Gekuehlte drosselspule fuer stromrichteranlagen |
JPH01321607A (ja) | 1988-06-22 | 1989-12-27 | Matsushita Electric Ind Co Ltd | インダクタンス素子ならびにその製造方法 |
FR2641038B1 (zh) * | 1988-12-23 | 1994-02-11 | Marchal Equip Automobiles | |
US5062197A (en) * | 1988-12-27 | 1991-11-05 | General Electric Company | Dual-permeability core structure for use in high-frequency magnetic components |
JPH07118420B2 (ja) | 1989-09-08 | 1995-12-18 | 松下電器産業株式会社 | コイル部品 |
JPH05152138A (ja) * | 1991-11-28 | 1993-06-18 | Tohoku Ricoh Co Ltd | 高周波コア用ボビン |
JPH06267758A (ja) | 1993-03-15 | 1994-09-22 | Toshiba Corp | ギャップ付鉄心形リアクトル |
JPH08236331A (ja) | 1995-02-22 | 1996-09-13 | Kobe Steel Ltd | 高周波用圧粉磁心用鉄粉及びその製造方法 |
JP3796290B2 (ja) | 1996-05-15 | 2006-07-12 | Necトーキン株式会社 | 電子部品及びその製造方法 |
JP3516374B2 (ja) | 1996-09-11 | 2004-04-05 | Tdk株式会社 | 電子部品 |
US6198373B1 (en) * | 1997-08-19 | 2001-03-06 | Taiyo Yuden Co., Ltd. | Wire wound electronic component |
US6392525B1 (en) | 1998-12-28 | 2002-05-21 | Matsushita Electric Industrial Co., Ltd. | Magnetic element and method of manufacturing the same |
JP2001185421A (ja) | 1998-12-28 | 2001-07-06 | Matsushita Electric Ind Co Ltd | 磁性素子およびその製造方法 |
EP1077454B1 (en) * | 1999-02-10 | 2011-09-21 | Panasonic Corporation | Composite magnetic material |
FR2798470B1 (fr) * | 1999-09-09 | 2001-12-21 | Pioch Sa | Capteur inductif pour la mesure d'un courant dans un conducteur |
KR100533097B1 (ko) * | 2000-04-27 | 2005-12-02 | 티디케이가부시기가이샤 | 복합자성재료와 이것을 이용한 자성성형재료, 압분 자성분말성형재료, 자성도료, 복합 유전체재료와 이것을이용한 성형재료, 압분성형 분말재료, 도료, 프리프레그및 기판, 전자부품 |
JP4684461B2 (ja) | 2000-04-28 | 2011-05-18 | パナソニック株式会社 | 磁性素子の製造方法 |
DE10024824A1 (de) | 2000-05-19 | 2001-11-29 | Vacuumschmelze Gmbh | Induktives Bauelement und Verfahren zu seiner Herstellung |
JP3507836B2 (ja) * | 2000-09-08 | 2004-03-15 | Tdk株式会社 | 圧粉磁芯 |
JP2002324714A (ja) * | 2001-02-21 | 2002-11-08 | Tdk Corp | コイル封入圧粉磁芯およびその製造方法 |
GB2379558A (en) * | 2001-09-11 | 2003-03-12 | Baker R | Electromagnetic component and its method of manufacture |
DE10155898A1 (de) | 2001-11-14 | 2003-05-28 | Vacuumschmelze Gmbh & Co Kg | Induktives Bauelement und Verfahren zu seiner Herstellung |
US6788185B2 (en) * | 2002-01-17 | 2004-09-07 | Nec Tokin Corporation | Powder core and high-frequency reactor using the same |
EP1385181B1 (en) * | 2002-07-26 | 2013-05-15 | Denso Corporation | Resin composition and ignition coil device using the same |
US7427909B2 (en) | 2003-06-12 | 2008-09-23 | Nec Tokin Corporation | Coil component and fabrication method of the same |
JP4562022B2 (ja) | 2004-04-22 | 2010-10-13 | アルプス・グリーンデバイス株式会社 | 非晶質軟磁性合金粉末及びそれを用いた圧粉コアと電波吸収体 |
-
2004
- 2004-06-10 US US10/866,612 patent/US7427909B2/en not_active Expired - Lifetime
- 2004-06-10 US US10/866,498 patent/US20050007232A1/en not_active Abandoned
- 2004-06-11 KR KR1020040042989A patent/KR101096958B1/ko not_active IP Right Cessation
- 2004-06-11 KR KR1020040042985A patent/KR101165837B1/ko active IP Right Grant
- 2004-06-11 EP EP04013735A patent/EP1486993B1/en not_active Expired - Lifetime
- 2004-06-11 DE DE602004005103T patent/DE602004005103T2/de not_active Expired - Lifetime
- 2004-06-11 EP EP04013736A patent/EP1486991A1/en not_active Withdrawn
- 2004-06-14 CN CNA2004100592392A patent/CN1574125A/zh active Pending
- 2004-06-14 CN CNB2004100592443A patent/CN100565723C/zh not_active Expired - Lifetime
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101847489A (zh) * | 2009-03-27 | 2010-09-29 | 株式会社电装 | 用于电气设备的电抗器 |
CN102859623A (zh) * | 2010-03-20 | 2013-01-02 | 大同特殊钢株式会社 | 包覆线圈成型体的制造方法及包覆线圈成型体 |
CN103003896A (zh) * | 2010-07-13 | 2013-03-27 | 住友电气工业株式会社 | 电抗器及线圈构件 |
CN103098152A (zh) * | 2010-09-09 | 2013-05-08 | 株式会社村田制作所 | 含磁铁矿的树脂及电子部件 |
US9214263B2 (en) | 2010-09-09 | 2015-12-15 | Murata Manufacturing Co., Ltd. | Magnetite-containing resin and electronic component |
CN103098153A (zh) * | 2010-09-13 | 2013-05-08 | 住友电气工业株式会社 | 电抗器及制造该电抗器的方法 |
CN103996515A (zh) * | 2010-11-25 | 2014-08-20 | 乾坤科技股份有限公司 | 电感以及制造电感的方法 |
CN104284941A (zh) * | 2012-04-26 | 2015-01-14 | 株式会社村田制作所 | 含有磁性金属的树脂、以及使用该树脂的线圈部件和电子部件 |
CN104284941B (zh) * | 2012-04-26 | 2017-04-12 | 株式会社村田制作所 | 含有磁性金属的树脂、以及使用该树脂的线圈部件和电子部件 |
CN103809835A (zh) * | 2012-11-09 | 2014-05-21 | 兄弟工业株式会社 | 信息输入设备 |
CN104036934A (zh) * | 2013-03-06 | 2014-09-10 | 株式会社东芝 | 电感器及其制造方法 |
US9431166B2 (en) | 2013-03-06 | 2016-08-30 | Kabushiki Kaisha Toshiba | Inductor and method of manufacturing the same |
CN104425121B (zh) * | 2013-08-27 | 2017-11-21 | 三积瑞科技(苏州)有限公司 | 镶埋式合金电感的制造方法 |
CN107546001A (zh) * | 2016-06-28 | 2018-01-05 | 株式会社东金 | 电抗器 |
CN107546001B (zh) * | 2016-06-28 | 2021-04-23 | 株式会社东金 | 电抗器 |
CN113035498A (zh) * | 2019-12-24 | 2021-06-25 | Tdk株式会社 | 线圈部件 |
CN113035498B (zh) * | 2019-12-24 | 2023-08-22 | Tdk株式会社 | 线圈部件 |
Also Published As
Publication number | Publication date |
---|---|
US20050012581A1 (en) | 2005-01-20 |
EP1486993A1 (en) | 2004-12-15 |
CN100565723C (zh) | 2009-12-02 |
KR20040107409A (ko) | 2004-12-20 |
US20050007232A1 (en) | 2005-01-13 |
KR101165837B1 (ko) | 2012-07-13 |
EP1486991A1 (en) | 2004-12-15 |
EP1486993B1 (en) | 2007-03-07 |
KR101096958B1 (ko) | 2011-12-20 |
CN1574125A (zh) | 2005-02-02 |
KR20040107408A (ko) | 2004-12-20 |
DE602004005103T2 (de) | 2007-06-28 |
DE602004005103D1 (de) | 2007-04-19 |
US7427909B2 (en) | 2008-09-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1574122A (zh) | 线圈部件及其制造方法 | |
JP2006261331A (ja) | インダクタンス部品およびその製造方法 | |
CN1155023C (zh) | 复合磁性材料及其制造方法 | |
EP2899727B1 (en) | Composite material, reactor, converter, and electric power conversion device | |
JP2006004957A (ja) | コイル部品及びコイル部品製造方法 | |
US6509667B1 (en) | Rotor for a reluctance motor | |
CN1967742A (zh) | 复合磁性体、磁性元件及其制造方法 | |
JP2009033051A (ja) | リアクトル用コア | |
TW201222579A (en) | Inductor and method of producing an inductor | |
JP2008112935A (ja) | リアクトル | |
JP2005354001A (ja) | 磁芯及びそれを用いた線輪部品 | |
CN1280968C (zh) | 马达定子组件及其制造方法 | |
JP2017037888A (ja) | 磁性粉モールドコイル及びその製造方法 | |
US20210013755A1 (en) | Electric motor and field element | |
US10910153B2 (en) | Superparamagnetic iron cobalt alloy and silica nanoparticles of high magnetic saturation and a magnetic core containing the nanoparticles | |
JP2008187119A (ja) | 線輪部品 | |
KR102119173B1 (ko) | 하이브리드 타입 인덕터 | |
JP2004146804A (ja) | 圧粉磁心の製造方法 | |
JP2007035786A (ja) | ラジアル配向磁場成形装置 | |
JP4577759B2 (ja) | 磁芯及びそれを用いた線輪部品 | |
JP6862725B2 (ja) | 希土類磁石粉末、希土類ボンド磁石、電動機要素及び電動機 | |
JP2006100292A (ja) | 粉末磁性体コアの製造方法及びそれを用いてなる粉末磁性体コア | |
CN101034608A (zh) | 一种绝缘高磁性能的复合稀土永磁材料 | |
JP2011254018A (ja) | 磁性素子 | |
JP2009105170A (ja) | 複合磁性材料およびそれを用いた圧粉磁心およびインダクタ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: NEC TOKIN CORP.; APPLICANT Free format text: FORMER OWNER: NEC TOKIN CORP. Effective date: 20080404 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20080404 Address after: Miyagi Prefecture, Japan Applicant after: NEC TOKIN Corp. Co-applicant after: DENSO Corp. Address before: Miyagi Prefecture in Japan Applicant before: NEC Tokin Corp. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Miyagi Prefecture in Japan Co-patentee after: DENSO Corp. Patentee after: TOKIN Corp. Address before: Miyagi Prefecture in Japan Co-patentee before: DENSO Corp. Patentee before: NEC Tokin Corp. |
|
CP01 | Change in the name or title of a patent holder | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20091202 |