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专利名称：Disk drive device for rotating a disk发明人：Hiroki Yamazaki,Hiroshi Muramatsu申请号：US126206申请日：20100118公开号：US08278791B2公开日：20121002
专利附图：
摘要：In the brushless motor, a magnetic recording disk is to be mounted on a hub. Abase plate rotatably supports the hub on the upper surface. A laminated core is fixed onthe upper surface of the base plate and has a ring portion and a plurality of teeth thatextend radially from the ring portion. Coils are wound around the plurality of teeth. A
cylindrical magnet is fixed to the hub and is magnetized for driving with a plurality ofpoles along the circumferential direction and is arranged to radially face the plurality ofteeth of the laminated core. A wire of one end of one of the coils is drawn out to thebottom surface of the base plate through a hole arranged on the base plate. The wire isconnected to a driving line for supplying a current to the coils at a position other thanthe position of the hole on the base plate. The hole of the base plate is plugged with aresin.
申请人：Hiroki Yamazaki,Hiroshi Muramatsu
地址：Shizuoka JP,Shizuoka JP
国籍：JP,JP
代理机构：Fulwider Patton LLP
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