发明名称 |
Iron core, iron core manufacturing method, alignment apparatus, and exposure apparatus |
摘要 |
An iron core includes an electromagnetic steel plate having a first region on the surface of which an insulating film is formed and a second region which is not covered with the insulating film and exposed, and a coating member which coats at least the second region. The second region is formed by removing the insulating film by machining.
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申请公布号 |
US8567040(B2) |
申请公布日期 |
2013.10.29 |
申请号 |
US20080237254 |
申请日期 |
2008.09.24 |
申请人 |
KUBO HIROYOSHI;CANON KABUSHIKI KAISHA |
发明人 |
KUBO HIROYOSHI |
分类号 |
H01F27/24;H01S4/00;G03F7/20;H02K1/04;H02K1/18;H02K15/02 |
主分类号 |
H01F27/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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