KR20200020848A - 방향성 전자 강판 - Google Patents
방향성 전자 강판 Download PDFInfo
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- KR20200020848A KR20200020848A KR1020207001708A KR20207001708A KR20200020848A KR 20200020848 A KR20200020848 A KR 20200020848A KR 1020207001708 A KR1020207001708 A KR 1020207001708A KR 20207001708 A KR20207001708 A KR 20207001708A KR 20200020848 A KR20200020848 A KR 20200020848A
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Abstract
Description
도 2는, 종래의 방향성 전자 강판의 다른 피막 구조를 나타내는 단면 모식도이다.
도 3은, 본 발명의 일 실시 형태에 따른 방향성 전자 강판의 피막 구조를 나타내는 단면 모식도이다.
2: 포르스테라이트 피막
3: 절연 피막
4: 중간층
5: 결정성 인화물
6: 결정성 인화물 함유층
Claims (7)
- 모재 강판과, 상기 모재 강판 위에 접하여 배치된 중간층과, 상기 중간층 위에 접하여 배치되어 최표면이 되는 절연 피막을 갖는 방향성 전자 강판에 있어서,
절단 방향이 판 두께 방향과 평행이 되는 절단면에서 보았을 때, 상기 절연 피막이, 상기 중간층 위에 접하는 영역에, 결정성 인화물을 함유하는 결정성 인화물 함유층을 갖는 것을 특징으로 하는, 방향성 전자 강판. - 제1항에 있어서,
상기 절단면에서 보았을 때, 상기 결정성 인화물 함유층의 평균 두께가, 상기 절연 피막의 평균 두께의 1/10 이상이며 또한 1/2 이하인 것을 특징으로 하는, 방향성 전자 강판. - 제1항 또는 제2항에 있어서,
상기 절단면에서 보았을 때, 상기 결정성 인화물 함유층에 대한 상기 결정성 인화물의 면적 분율이 평균으로 5 내지 50%인 것을 특징으로 하는, 방향성 전자 강판. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 절단면에서 보았을 때, 상기 결정성 인화물의 원 상당 직경이 평균으로 5 내지 300㎚인 것을 특징으로 하는, 방향성 전자 강판. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 결정성 인화물이, 화학 성분으로서, Fe, Cr, P, 및 O를 합계 70원자% 이상이며 또한 100원자% 이하 함유하고, Si가 10원자% 이하로 제한되는 것을 특징으로 하는, 방향성 전자 강판. - 제5항에 있어서,
상기 결정성 인화물로서, FeP, Fe2P, Fe3P, FeP2, 또는 Fe2P2O7 중 적어도 1종이 포함되는 것을 특징으로 하는, 방향성 전자 강판. - 제5항 또는 제6항에 있어서,
상기 결정성 인화물로서, (Fe, Cr)P, (Fe, Cr)2P, (Fe, Cr)3P, (Fe, Cr)P2, 또는 (Fe, Cr)2P2O7 중 적어도 1종이 포함되는 것을 특징으로 하는, 방향성 전자 강판.
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| CN110809644A (zh) | 2020-02-18 |
| JP6915690B2 (ja) | 2021-08-04 |
| EP3653758B1 (en) | 2022-04-27 |
| JPWO2019013353A1 (ja) | 2020-05-21 |
| WO2019013353A1 (ja) | 2019-01-17 |
| EP3653758A4 (en) | 2021-03-10 |
| KR102412265B1 (ko) | 2022-06-24 |
| US20200123662A1 (en) | 2020-04-23 |
| RU2725943C1 (ru) | 2020-07-07 |
| CN110809644B (zh) | 2021-12-21 |
| EP3653758A1 (en) | 2020-05-20 |
| PL3653758T3 (pl) | 2022-07-04 |
| US11346005B2 (en) | 2022-05-31 |
| BR112020000265A2 (pt) | 2020-07-14 |
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