KR20090023413A - 적층형 연자성 시트의 제조 방법 - Google Patents
적층형 연자성 시트의 제조 방법 Download PDFInfo
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- KR20090023413A KR20090023413A KR1020087031478A KR20087031478A KR20090023413A KR 20090023413 A KR20090023413 A KR 20090023413A KR 1020087031478 A KR1020087031478 A KR 1020087031478A KR 20087031478 A KR20087031478 A KR 20087031478A KR 20090023413 A KR20090023413 A KR 20090023413A
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- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
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- 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
- H01F1/34—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 non-metallic substances, e.g. ferrites
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- B22F3/12—Both compacting and sintering
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- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- H01F41/0206—Manufacturing of magnetic cores by mechanical means
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Abstract
Description
Claims (5)
- 적층형 연자성 시트의 제조 방법으로서, 이하의 공정 (A) ∼ (D) :(A) 적어도 편평한 연자성 분말과, 글리시딜기를 갖는 아크릴 고무와, 에폭시 수지와, 에폭시 수지용 잠재성 경화제와, 용제를 혼합하여 이루어지는 연자성 조성물을 박리 기재 상에 도포하고, 연자성 조성물의 경화 반응이 실질적으로 발생되지 않는 온도 T1 에서 건조시키고, 박리 기재를 제거하여 경화성 연자성 시트를 취득하는 공정;(B) 상기 경화성 연자성 시트를 2 이상 준비하고, 이 시트들을 적층시켜 적층물을 취득하는 공정;(C) 얻어진 적층물을 경화 반응이 실질적으로 발생되지 않는 온도 T2 에 있어서, 선압을 인가하는 라미네이터로 선압력 P1, 선압력 P2 및 선압력 P3 (단, P1<P2<P3) 으로 순서대로 압축하는 공정; 및(D) 계속해서 경화 반응이 발생하는 온도 T3 에 있어서, 압축된 적층물을, 면압을 인가하는 프레스기로 압축하여 적층형 연자성 시트를 얻는 공정을 갖는 것을 특징으로 하는 적층형 연자성 시트의 제조 방법.
- 제 1 항에 있어서,P1 이 2 ∼ 10kgf/cm 이고, P2 가 10 ∼ 20kgf/cm 이고, P3 이 20 ∼ 50kgf/cm 이며, 면압이 10 ∼ 60kgf/㎠ 인, 적층형 연자성 시트의 제조 방법.
- 제 1 항 또는 제 2 항에 있어서,T1 이 50 ∼ 90℃ 이고, T2 가 70 ∼ 130℃ 이고, T3 이 140 ∼ 200℃ 인, 적층형 연자성 시트의 제조 방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,공정 (C) 에 있어서의 라미네이터의 라인 스피드가 0.1 ∼ 5m/분인, 적층형 연자성 시트의 제조 방법.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,공정 (C) 및 (D) 에 있어서, 적층물의 양면의 각각에 박리 시트를 배치하고, 박리 시트를 개재하여 압축을 실시하는, 적층형 연자성 시트의 제조 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2006-295289 | 2006-10-31 | ||
JP2006295289 | 2006-10-31 | ||
PCT/JP2007/069435 WO2008053662A1 (en) | 2006-10-31 | 2007-10-04 | Process for the production of laminate-type soft magnetic sheets |
Publications (2)
Publication Number | Publication Date |
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KR20090023413A true KR20090023413A (ko) | 2009-03-04 |
KR101119446B1 KR101119446B1 (ko) | 2012-03-15 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020087031478A KR101119446B1 (ko) | 2006-10-31 | 2007-10-04 | 적층형 연자성 시트의 제조 방법 |
Country Status (5)
Country | Link |
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US (1) | US8864929B2 (ko) |
KR (1) | KR101119446B1 (ko) |
CN (1) | CN101536125B (ko) |
HK (1) | HK1133949A1 (ko) |
WO (1) | WO2008053662A1 (ko) |
Families Citing this family (15)
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EP2963657B1 (en) * | 2013-02-26 | 2021-04-14 | Nitto Denko Corporation | Soft magnetic film |
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CN101287794A (zh) * | 2005-08-24 | 2008-10-15 | 亨克尔两合股份公司 | 具有改进的耐冲击性的环氧组合物 |
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2007
- 2007-10-04 WO PCT/JP2007/069435 patent/WO2008053662A1/ja active Application Filing
- 2007-10-04 US US12/227,360 patent/US8864929B2/en active Active
- 2007-10-04 CN CN2007800406600A patent/CN101536125B/zh active Active
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Publication number | Publication date |
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US20090110587A1 (en) | 2009-04-30 |
KR101119446B1 (ko) | 2012-03-15 |
CN101536125B (zh) | 2011-12-14 |
HK1133949A1 (en) | 2010-04-09 |
WO2008053662A1 (en) | 2008-05-08 |
CN101536125A (zh) | 2009-09-16 |
US8864929B2 (en) | 2014-10-21 |
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