发明名称 |
Voice coil motors and magnetic circuits therefor |
摘要 |
A magnet of rectangular prism or parallelepiped prism shape is disposed on a yoke having a triangle shape or a frusto-triangular shape to construct a magnetic circuit for a voice coil motor. The magnetic circuits facilitate positioning and holding of a moving coil, and the voice coil motor is improved in positioning precision of a magnetic head. |
申请公布号 |
US8194358(B2) |
申请公布日期 |
2012.06.05 |
申请号 |
US20080051700 |
申请日期 |
2008.03.19 |
申请人 |
YAMADA HIROYUKI;KATO DAIKI;NAGAMIYA KEIJI;SHIN-ETSU CHEMICAL CO., LTD. |
发明人 |
YAMADA HIROYUKI;KATO DAIKI;NAGAMIYA KEIJI |
分类号 |
G11B5/55;G11B5/56;G11B21/08;G11B21/24 |
主分类号 |
G11B5/55 |
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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