- 专利标题： NON-ORIENTED ELECTROMAGNETIC STEEL SHEET AND METHOD FOR PRODUCING SAME
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申请号： EP22864718.6申请日： 2022-09-02
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公开(公告)号： EP4397785A1公开(公告)日： 2024-07-10
- 发明人: TAKEDA, Kazutoshi , FUKUCHI, Minako , NATORI, Yoshiaki , FUJII, Hiroyasu , TAKATANI, Shinsuke
- 申请人： NIPPON STEEL CORPORATION
- 申请人地址： JP Chiyoda-ku Tokyo 100-8071 6-1, Marunouchi 2-chome
- 专利权人： NIPPON STEEL CORPORATION
- 当前专利权人： NIPPON STEEL CORPORATION
- 当前专利权人地址： JP Chiyoda-ku Tokyo 100-8071 6-1, Marunouchi 2-chome
- 代理机构： Vossius & Partner Patentanwälte Rechtsanwälte mbB
- 优先权： JP 21142954 2021.09.02
- 国际申请： JP2022033073 2022.09.02
- 国际公布： WO2023033136 2023.03.09
- 主分类号： C23C22/00
- IPC分类号： C23C22/00 ; C21D9/46 ; C22C38/00 ; C22C38/06 ; H01F1/147
摘要：
A non-oriented electrical steel sheet 1 of the present embodiment is provided with a base metal steel sheet 10 and an insulating coating film 20 formed on the surface of the base metal steel sheet 10. The insulating coating film 20 contains metal phosphate, organic resin, and nitrite. The insulating coating film 20 has a nitrogen content of 0.05-5.00% by mass.
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