发明授权
- 专利标题： Electromagnetic steel sheet having excellent high-frequency magnetic properties and method
- 专利标题（中）： 具有优异的高频磁性能和方法的电磁钢板
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申请号： US09649944申请日： 2000-08-29
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公开(公告)号： US06364962B1公开(公告)日： 2002-04-02
- 发明人: Shigeaki Takajo , Takako Yamashita , Akihiro Matsuzaki , Osamu Kondo
- 申请人： Shigeaki Takajo , Takako Yamashita , Akihiro Matsuzaki , Osamu Kondo
- 优先权： JP9-301828 19971104; JP10-044802 19980226; JP10-085771 19980331
- 主分类号： H01F1147
- IPC分类号： H01F1147
摘要：
Electromagnetic steel sheets which contain Cr in an amount of from about 1.5 to 20% by weight and Si in an amount of from about 2.5 to 10% by weight, while having a total amount of C and N of not larger than about 100 ppm by weight, and which has a specific resistivity of not smaller than about 60 &mgr;&OHgr;·cm.
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