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1. 发明专利

JP2011165257A Disk drive and method for manufacturing disk drive 有权
标题翻译：磁盘驱动器和制造磁盘驱动器的方法
公开(公告)号：JP2011165257A
公开(公告)日：2011-08-25
申请号：JP2010025632
申请日：2010-02-08
申请人： Alphana Technology Co Ltd , アルファナテクノロジー株式会社
发明人： MURAMATSU AKIRA , KUROKAWA YOSHIO
IPC分类号： G11B33/14
摘要： PROBLEM TO BE SOLVED: To provide a disk drive configured to reduce a probability that particles enter the inside of the disk drive.
SOLUTION: The disk drive includes: a hub for supporting a recording disk; a base member 4 which has a bearing hole centering on a rotary shaft of the hub; a bearing unit 12 which supports the hub so as to be freely rotatable with respect to the base member 4 and is at least partly fixed to the bearing hole 4h; and a sealing material 54 interposed between the bearing hole 4h and the bearing unit 12. A plurality of resin reservoirs 200 having fine recesses to store the sealing material 54 are arranged in a circumferential direction of a contact part , on at least one of an inner peripheral surface of the bearing hole 4h and an outer peripheral surface of the bearing unit 12 at the contact part thereof.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种配置成降低粒子进入磁盘驱动器内部的可能性的磁盘驱动器。解决方案：磁盘驱动器包括：用于支持记录盘的集线器; 基部构件4，其具有以毂的旋转轴为中心的轴承孔; 轴承单元12，其支撑轮毂，以相对于基座构件4自由旋转，并且至少部分地固定到轴承孔4h; 以及插入在轴承孔4h和轴承单元12之间的密封材料54.具有用于存储密封材料54的精细凹部的多个树脂储存器200布置在接触部分的圆周方向上，在至少一个内部轴承孔4h的外周面和轴承单元12的接触部的外周面。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010223377A FLUID DYNAMIC BEARING, METHOD OF MANUFACTURING THE SAME, ROTARY EQUIPMENT, AND DISK DRIVING DEVICE 审中-公开
公开(公告)号：JP2010223377A
公开(公告)日：2010-10-07
申请号：JP2009072818
申请日：2009-03-24
申请人： ALPHANA TECHNOLOGY CO LTD
发明人： MURAMATSU AKIRA
IPC分类号： F16C33/20 , F16C17/10 , F16C33/14
摘要： PROBLEM TO BE SOLVED: To provide a fluid dynamic bearing including a shaft molded integrally with a resinified flange, and having stabilized rotating accuracy, and to provide a method of manufacturing the same. SOLUTION: The fluid dynamic bearing includes the shaft 38 to which the resinified flange 40 is fixed with insert molding. A step of fixing the flange 40 to the shaft 38 with insert molding includes a flange forming step of molding the flange 40 fixed and formed onto the shaft 38 with a resin filled into a filling portion 54b of a female mold 54 via a male mold 56 while cooling at least part of the shaft 38 arranged on a shaft arrangement portion 54a of the female mold 54 with cooling water circulating in a cooling pipe 60. COPYRIGHT: (C)2011,JPO&INPIT

3. 发明专利

JP2012036915A Rotor for fluid dynamic bearing and method of producing the same 有权
标题翻译：用于流体动力轴承的转子及其生产方法
公开(公告)号：JP2012036915A
公开(公告)日：2012-02-23
申请号：JP2010174742
申请日：2010-08-03
申请人： Alphana Technology Co Ltd , アルファナテクノロジー株式会社
发明人： MURAMATSU AKIRA , YAMADA TAKUJI
IPC分类号： F16C17/10 , F16C33/14 , G11B19/20
CPC分类号： G11B19/2009 , Y10T29/49021
摘要： PROBLEM TO BE SOLVED: To provide a rotor for a fluid dynamic bearing that enables stable high-speed rotation while reducing the thickness of the rotor.SOLUTION: The rotor 200 for the fluid dynamic bearing used for rotating a recording disk that has been mounted thereon includes: a rotating shaft portion 22 in which a cylindrical portion 22a that serves as a rotating shaft and a protruding portion 22b extended radially outward from one end of the cylindrical portion 22a are formed integrally with each other; and a hub 20 that is to be connected to the end near the outer circumference of the protruding portion 22b and that has a mounting seat portion 20c on which the recording disk is to be mounted.
摘要翻译：要解决的问题：提供一种用于流体动力轴承的转子，其能够在减小转子的厚度的同时实现稳定的高速旋转。解决方案：用于旋转安装在其上的记录盘的流体动力轴承的转子200包括：旋转轴部分22，其中用作旋转轴的圆柱形部分22a和径向延伸的突出部分22b 从圆筒部22a的一端向外侧形成为一体; 以及与突出部22b的外周附近的端部连接并具有要安装记录盘的安装座部20c的轮毂20。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2012145157A Rotating device and method for manufacturing the rotating device 审中-公开
标题翻译：旋转装置和制造旋转装置的方法
公开(公告)号：JP2012145157A
公开(公告)日：2012-08-02
申请号：JP2011003093
申请日：2011-01-11
申请人： Alphana Technology Co Ltd , アルファナテクノロジー株式会社
发明人： SHINSHI NAOKI , NISHINO HIROTAKE , MURAMATSU AKIRA , KUROKAWA YOSHIO
IPC分类号： F16C35/02 , F16F7/00 , G11B19/20
CPC分类号： G11B33/1493 , F16C35/02 , F16C2370/12 , G11B25/043
摘要： PROBLEM TO BE SOLVED: To improve the impact resistance of a rotating device in which a conductive resin is used to eliminate the static electricity of a disk.SOLUTION: In a rotating device 100, a housing 104 includes an outer cylindrical surface 104a facing a periphery 106ha of a through-hole 106h, and a guiding surface 104b which is located at the bottom of the outer cylindrical surface 104a and has a smaller diameter than that of the outer cylindrical surface 104a. Glue 108 has an interface 108a in an end space 110 between the guiding surface 104b and the periphery 106ha of the through-hole 106h, and a conductive resin 102 is continuously coated from the guiding surface 104b to the periphery 106ha of the through-hole 106h in at least a part of the end space 110 not having the interface. As for a part radically facing the guiding surface 104b in the periphery 106ha of the through-hole 106h, the length in the direction of the rotation axis of the part which contacts with the conductive resin 102 is longer than that of a part which contacts with the glue 108.
摘要翻译：要解决的问题：为了提高使用导电性树脂以消除盘的静电的旋转装置的耐冲击性。解决方案：在旋转装置100中，壳体104包括面向通孔106h的周边106ha的外圆柱形表面104a和位于外圆柱形表面104a的底部的引导表面104b，并且具有其直径小于外圆柱形表面104a的直径。胶管108在引导面104b与通孔106h的周边106ha之间的端部空间110中具有界面108a，并且导电性树脂102从导向面104b连续地涂布到通孔106h的周边106ha 在没有界面的端部空间110的至少一部分中。对于通孔106h的周边106ha的引导面104b的部分，与导电性树脂102接触的部分的旋转轴的方向上的长度比与胶水108.版权所有（C）2012，JPO＆INPIT

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