TW559837B - Magnetic core comprising a bond magnet including magnetic powder whose particle's surface is coated with oxidation-resistant metal - Google Patents
Magnetic core comprising a bond magnet including magnetic powder whose particle's surface is coated with oxidation-resistant metal Download PDFInfo
- Publication number
- TW559837B TW559837B TW090129403A TW90129403A TW559837B TW 559837 B TW559837 B TW 559837B TW 090129403 A TW090129403 A TW 090129403A TW 90129403 A TW90129403 A TW 90129403A TW 559837 B TW559837 B TW 559837B
- Authority
- TW
- Taiwan
- Prior art keywords
- magnetic
- magnetic powder
- oxidation
- magnetic core
- rare
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title abstract description 23
- 239000002184 metal Substances 0.000 title abstract description 23
- 239000006247 magnetic powder Substances 0.000 title abstract description 16
- 239000002245 particle Substances 0.000 title abstract description 6
- 230000003647 oxidation Effects 0.000 title abstract description 4
- 238000007254 oxidation reaction Methods 0.000 title abstract description 4
- 239000011230 binding agent Substances 0.000 abstract description 13
- 229910052761 rare earth metal Inorganic materials 0.000 abstract description 13
- 150000002910 rare earth metals Chemical class 0.000 abstract description 13
- 239000011347 resin Substances 0.000 abstract description 10
- 229920005989 resin Polymers 0.000 abstract description 10
- 239000011521 glass Substances 0.000 abstract description 8
- 238000002844 melting Methods 0.000 abstract description 6
- 230000008018 melting Effects 0.000 abstract description 2
- 230000000593 degrading effect Effects 0.000 abstract 1
- 230000003064 anti-oxidating effect Effects 0.000 description 8
- 229920001721 polyimide Polymers 0.000 description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 239000006249 magnetic particle Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000004840 adhesive resin Substances 0.000 description 2
- 229920006223 adhesive resin Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229910052716 thallium Inorganic materials 0.000 description 2
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
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
- H01F27/25—Magnetic cores made from strips or ribbons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
- H01F29/146—Constructional details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- 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
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F2003/103—Magnetic circuits with permanent magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Hard Magnetic Materials (AREA)
- Soft Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Description
559837
六、申請專利範圍 5 ·如申請專利範圍第1至4項中任一項之磁芯，其中 該磁粉包含該抗氧化金屬，其含量是根據Vo 1百分 比之 0. 1 - 10%。 6 ·如申請專利範圍第1、3或4項之磁芯，其中該黏合 劑樹脂是聚醯胺亞胺樹脂。 7 · —種電感組件，其包含如申請專利範圍第1至6項 中任一項之磁芯，及至少繞捲在該磁芯上一或多數 西的一繞組。 8 · —種磁芯，在其磁路中具有至少一磁隙，該磁芯包 含配置在磁隙內之磁偏壓磁鐵，用於自磁隙之相對 端來提供磁偏壓到磁芯，其中·· 該磁偏壓磁鐵包含黏合磁鐵，其包含稀土磁粉及 黏合劑樹脂，該稀土磁粉具有lOkOe或以上之固有 矯頑力、500 °C或以上之居里溫度、及2 . 5-50μηι平 均微粒大小，及 該稀土磁粉是由表面塗層含抗氧化金屬之金屬層 的磁微粒聚合所構成。 9 .如申請專利範圍第8項之磁芯，其中該抗氧化金屬 是選自鲜、銘、祕、鎵、銦、鎂、鈴、鍊及鎮之族 群中至少一金屬或其合金。 1 0 ·如申請專利範圍第8項之磁芯，其中該黏合磁鐵包 含該黏合劑樹脂，其含量是根據Vol百分比之30% 或以上，該黏合劑磁鐵具有1 Ω · c m或以上之電阻 559837 i—I窆 六、申請專利範圍 率。 1 1 ·如申請專利範圍第9項之磁芯，其中該黏合磁鐵包 含該黏合劑樹脂，其含量是根據V ο 1百分比之3 0 % 或以上，該黏合劑磁鐵具有1Ω · cm或以上之電阻 率 〇 1 2 ·如申請專利範圍第8至1 1項中任一項之磁芯，其 中松包曰抗興化金屬’其含量是根據V〇l百分 比之 0. 1 - 10%。 1 3 ·如申請專利範圍第8、1 0或1 1項中任一項之磁芯 ，其中該黏合劑樹脂是聚醯胺亞胺。 1 4 . 一種電感組件，其包含如申請專利範圍第8至1 3 項中任一項之磁芯，及至少繞捲在該磁芯上一或多 數匝的一繞組。 1 5 · —種磁芯，在其磁路中具有至少一磁隙，該磁芯包 含磁偏壓磁鐵配置在其磁隙中，用於自該磁隙之相 對端來提供磁偏壓到磁芯，其中： 該磁偏壓磁鐵包含黏合磁鐵，其包含稀土磁粉及 黏合劑樹脂，該稀土磁粉具有lOkOe或以上之固有 矯頑力、5 00 °C或以上之居里溫度、及2 . 5-50 μιη平 均微粒大小； 該黏合fe鐵包含該黏合劑樹脂》其含量是根據Vol 百分比之30%，該黏合磁鐵具有1Ω · cm或以上之 電阻率，及 559837
六、申請專利範圍 該稀土磁粉是由表面塗層含抗氧化金屬之金屬層 的磁微粒聚合所構成，該金屬層表面塗層玻璃層由 具有軟化點比較該抗氧化金屬之軟化點更低的低熔 玻璃所構成。 1 6 ·如申請專利範圍第1 5項之磁芯，其中該抗氧化金 屬是選自鋅、鋁、鉍、鎵、銦、鎂、鉛、銻及鍚之 群族中至少一金屬或其合金。 1 7 ·如申請專利範圍第1 5或1 6項之磁芯，其中該磁粉 包含該抗氧化金屬及該低熔玻璃，其總量是根據 Vol百分比之0 . 1 - 10%。 1 8 ·如申請專利範圍第1 5項之磁芯，其中該黏合劑樹 脂是聚醯胺亞胺。 1 9 · 一種電感組件，其包含根據申請專利範圍第1 5至 18項中任一項之磁芯，而且在該磁芯上繞捲一或多 數匝之至少其一繞組。 2 0 . —種磁偏壓磁鐵，使用於磁路中具有至少一磁隙的 磁芯內，該磁偏壓磁鐵配置在磁隙內，用於自磁隙 之相對端來提供磁偏壓到磁芯，其中： 該磁偏壓磁鐵包含黏合磁鐵，其包含稀土磁粉及 黏合劑樹脂，該稀土磁粉具有10k0e或以上之固有 矯頑力、500°C或以上之居里溫度、及2 · 5 - 50μιη平 均微粒大小； 該黏合磁鐵包含該黏合劑樹脂，其含量是根據J 559837
六、申請專利範圍 百分比之30%或以上，該黏合磁鐵具有1 Ω · cm或 以上之電阻率，及 該稀土磁粉由表面塗層含抗氧化金屬之金屬層的 磁微粒聚合所構成，該金屬層表面塗層玻璃層由具 有軟化點比較該抗氧化金屬之軟化點更低的低熔玻 璃所構成。 2 1 .如申請專利範圍第2 0項之磁偏壓磁鐵，其中該抗 氧化金屬是選自鋅、鋁、鉍、鎵、銦、鎂、鉛、銻 及鍚之群族中至少一金屬或其合金。 22 ·如申請專利範圍第20或2 1項之磁偏壓磁鐵，其中 該磁粉包含該抗氧化金屬及該低熔玻璃，其總含量 是根據Vol百分比的〇 . 1 - 10%。 23 ·如申請專利範圍第20項之磁偏壓磁鐵，其中該黏 合劑樹脂是聚醯胺亞胺。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000361645 | 2000-11-28 | ||
| JP2000361289 | 2000-11-28 | ||
| JP2001019647 | 2001-01-29 | ||
| JP2001117665 | 2001-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW559837B true TW559837B (en) | 2003-11-01 |
Family
ID=27481824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW090129403A TW559837B (en) | 2000-11-28 | 2001-11-28 | Magnetic core comprising a bond magnet including magnetic powder whose particle's surface is coated with oxidation-resistant metal |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6621398B2 (zh) |
| EP (1) | EP1209703B1 (zh) |
| KR (1) | KR100844613B1 (zh) |
| CN (2) | CN1242431C (zh) |
| DE (1) | DE60139594D1 (zh) |
| TW (1) | TW559837B (zh) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2002021543A1 (ja) * | 2000-09-08 | 2004-01-15 | Ｎｅｃトーキン株式会社 | 永久磁石、それを磁気バイアス用磁石とした磁気コア、およびそれを用いたインダクタンス部品 |
| EP1211700A3 (en) * | 2000-11-30 | 2003-10-15 | NEC TOKIN Corporation | Magnetic core including magnet for magnetic bias and inductor component using the same |
| US7919200B2 (en) * | 2005-06-10 | 2011-04-05 | Nissan Motor Co., Ltd. | Rare earth magnet having high strength and high electrical resistance |
| US7183890B2 (en) * | 2005-06-21 | 2007-02-27 | Jose De Jesus Camarena Villaseñor | Magnetic induction device |
| CN102385979B (zh) * | 2010-10-08 | 2016-07-27 | 戴珊珊 | 永磁增益变压装置 |
| US9980396B1 (en) * | 2011-01-18 | 2018-05-22 | Universal Lighting Technologies, Inc. | Low profile magnetic component apparatus and methods |
| US10043608B2 (en) * | 2011-09-07 | 2018-08-07 | Tdk Corporation | Laminated coil component |
| CN102568768A (zh) * | 2012-02-22 | 2012-07-11 | 临沂中瑞电子有限公司 | 一种led用固定电感磁心 |
| KR20140003056A (ko) * | 2012-06-29 | 2014-01-09 | 삼성전기주식회사 | 파워 인덕터 및 그 제조방법 |
| JP5756825B2 (ja) * | 2013-04-22 | 2015-07-29 | オムロン株式会社 | 電磁継電器 |
| CN103680788B (zh) * | 2013-11-29 | 2016-03-02 | 宁波松科磁材有限公司 | 一种粘结稀土永磁合金 |
| CN103667918B (zh) * | 2013-11-29 | 2015-09-02 | 宁波松科磁材有限公司 | 一种粘结稀土永磁合金的制备方法 |
| KR101976300B1 (ko) * | 2015-01-22 | 2019-05-07 | 알프스 알파인 가부시키가이샤 | 압분 코어, 그 압분 코어의 제조 방법, 그 압분 코어를 구비하는 전기·전자 부품, 및 그 전기·전자 부품이 실장된 전기·전자 기기 |
| FR3045924B1 (fr) | 2015-12-17 | 2021-05-07 | Commissariat Energie Atomique | Noyau d'inductance a pertes magnetiques reduites |
| JP6667826B2 (ja) | 2016-04-13 | 2020-03-18 | ローム株式会社 | 交流電源装置 |
| US10867745B2 (en) * | 2017-07-19 | 2020-12-15 | Futurewei Technologies, Inc. | Inductor structure and method for forming the same |
| CN110423139B (zh) * | 2019-07-24 | 2021-11-02 | 北矿磁材（阜阳）有限公司 | 一种钕铁硼磁体表面玻璃涂层的制备方法 |
| EP4135903A1 (en) * | 2020-04-16 | 2023-02-22 | DHF America, LLC | Magnetic-field generator for a cell sheet |
| CN113777487B (zh) * | 2021-09-13 | 2024-04-19 | 哈尔滨工业大学 | 退磁环境模拟装置及预计永磁电机时效性退磁风险的方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5432696B2 (zh) | 1974-04-10 | 1979-10-16 | ||
| JPS6010605A (ja) * | 1983-06-30 | 1985-01-19 | Hitachi Metals Ltd | インダクタンス素子用永久磁石 |
| CN1205108A (zh) * | 1996-07-23 | 1999-01-13 | 精工爱普生株式会社 | 稀土类粘结磁铁的制造方法及稀土类粘结磁铁 |
| JP3760357B2 (ja) * | 1996-09-26 | 2006-03-29 | 山和防災設備株式会社 | 簡易ヘリポート |
| JP3838730B2 (ja) * | 1997-02-13 | 2006-10-25 | 株式会社メイト | 軟磁性複合材料 |
| JPH11354344A (ja) * | 1998-04-06 | 1999-12-24 | Hitachi Ferrite Denshi Kk | インダクタンス素子 |
| JP2000269016A (ja) * | 1999-03-18 | 2000-09-29 | Namiki Precision Jewel Co Ltd | 磁性材料粉末の表面処理方法 |
| US6432158B1 (en) * | 1999-10-25 | 2002-08-13 | Sumitomo Special Metals Co., Ltd. | Method and apparatus for producing compact of rare earth alloy powder and rare earth magnet |
| JP2002164223A (ja) * | 2000-11-29 | 2002-06-07 | Tokin Corp | 磁気バイアス用磁石を有する磁気コアおよびそれを用いたインダクタンス部品 |
-
2001
- 2001-11-27 EP EP01128190A patent/EP1209703B1/en not_active Expired - Lifetime
- 2001-11-27 DE DE60139594T patent/DE60139594D1/de not_active Expired - Lifetime
- 2001-11-28 CN CNB011456531A patent/CN1242431C/zh not_active Expired - Fee Related
- 2001-11-28 TW TW090129403A patent/TW559837B/zh not_active IP Right Cessation
- 2001-11-28 CN CN2005101370219A patent/CN1790562B/zh not_active Expired - Fee Related
- 2001-11-28 US US09/996,047 patent/US6621398B2/en not_active Expired - Fee Related
- 2001-11-28 KR KR1020010074484A patent/KR100844613B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN1242431C (zh) | 2006-02-15 |
| US6621398B2 (en) | 2003-09-16 |
| CN1790562A (zh) | 2006-06-21 |
| EP1209703B1 (en) | 2009-08-19 |
| EP1209703A2 (en) | 2002-05-29 |
| US20020109571A1 (en) | 2002-08-15 |
| KR20020041773A (ko) | 2002-06-03 |
| DE60139594D1 (de) | 2009-10-01 |
| EP1209703A3 (en) | 2003-10-15 |
| CN1359114A (zh) | 2002-07-17 |
| KR100844613B1 (ko) | 2008-07-07 |
| CN1790562B (zh) | 2011-05-25 |
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