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71. 发明申请

US20100085661A1 HYDRODYNAMIC BEARING DEVICE AND DISK ROTATION APPARATUS 失效
标题翻译：水力轴承装置和盘旋转装置
公开(公告)号：US20100085661A1
公开(公告)日：2010-04-08
申请号：US12412870
申请日：2009-03-27
申请人： Takafumi ASADA , Hiroaki Saito , Takao Yoshitsugu , Keigo Kusaka , Hiroyuki Kiriyama , Daisuke Ito
发明人： Takafumi ASADA , Hiroaki Saito , Takao Yoshitsugu , Keigo Kusaka , Hiroyuki Kiriyama , Daisuke Ito
IPC分类号： G11B17/02 , F16C32/06
CPC分类号： F16C17/107 , F16C33/103 , F16C33/107 , F16C2370/12
摘要： In a hydrodynamic bearing device in which a radial bearing face having a dynamic pressure generating groove on a shaft or an inner periphery of a sleeve is provided and a clearance between the shaft and the sleeve is filled with lubricant, an annular depression is provided on one end face of the sleeve adjacent to a rotor hub and a cover plate for covering the depression is attached to the sleeve so as to define a reservoir for the lubricant or air for the purpose of preventing such a risk that absence of an oil film occurs in clearances of a bearing of the hydrodynamic bearing device due to outflow of oil upon forcing of the oil by air received into the bearing. A step portion is provided on the other end face of the sleeve such that the step portion and the reservoir are communicated with each other by a communication hole. During operation of the hydrodynamic bearing device, air in the hydrodynamic bearing device reaches the reservoir via the communication hole so as to be discharged from the reservoir.
摘要翻译：在一种流体动力轴承装置中，其中设置有在轴上的动压产生槽或套筒的内周上的径向支承面，并且轴与套筒之间的间隙充满润滑剂，环形凹部设置在一个与转子轮毂相邻的套筒的端面和用于覆盖凹部的盖板附接到套筒上，以便限定用于润滑剂或空气的储存器，以便防止在油膜中不存在油膜的风险由于在接收到轴承中的空气迫使油被油流出时，流体动力轴承装置的轴承的间隙。台阶部设置在套筒的另一端面上，使得台阶部分和储存器通过连通孔相互连通。在流体动力轴承装置的操作期间，流体动力轴承装置中的空气经由连通孔到达储存器，以便从储存器排出。

72. 发明授权

US07674043B2 Hydrodynamic bearing rotary device 有权
标题翻译：流体动力轴承旋转装置
公开(公告)号：US07674043B2
公开(公告)日：2010-03-09
申请号：US11723316
申请日：2007-03-19
申请人： Takafumi Asada , Hiroaki Saito , Daisuke Itou , Hiroyuki Kiriyama , Tomoharu Takeda
发明人： Takafumi Asada , Hiroaki Saito , Daisuke Itou , Hiroyuki Kiriyama , Tomoharu Takeda
IPC分类号： F16C32/06
CPC分类号： F16C33/102 , F16C17/107 , F16C33/107 , F16C33/74 , F16C2370/12
摘要： An object of the present invention is to provide a hydrodynamic bearing type rotary device which can improve rotation performance, suppress a friction torque, and reduce power consumption of motor, and a recording and reproducing apparatus including the same. A shaft having a flange on one end and a hub on the other end is provided with a bearing of a sleeve so as to be rotatable. The sleeve includes a communication hole. A third gap between the hub and the sleeve end surface is a flow path, and is connected to the communication hole. Provided that a first gap between a thrust plate 4 and the flange 3 is S1, a second gap between the flange 3 and a lower end surface of the sleeve 1 is S2, and a third gap between the upper end surface of the sleeve 1 and the hub 7 is S3, widths of the gaps satisfy the relational expression, S3>(S1+S2).
摘要翻译：本发明的目的是提供一种能够提高旋转性能，抑制摩擦转矩并降低电动机的功率消耗的流体动力轴承型旋转装置，以及包括其的记录和再现装置。具有一端的凸缘和另一端的毂的轴设置有可旋转的套筒的轴承。套筒包括一个连通孔。轮毂和套筒端面之间的第三间隙是流动路径，并连接到连通孔。假设推力板4和凸缘3之间的第一间隙为S1，凸缘3与套筒1的下端面之间的第二间隙为S2，套管1的上端面与轮毂7是S3，间隙的宽度满足关系式S3>（S1 + S2）。

73. 发明授权

US07629644B2 Insulated gate-type semiconductor device and manufacturing method of the same 有权
标题翻译：绝缘栅型半导体器件及其制造方法
公开(公告)号：US07629644B2
公开(公告)日：2009-12-08
申请号：US11023961
申请日：2004-12-29
申请人： Masahito Onda , Hirotoshi Kubo , Shouji Miyahara , Hiroyasu Ishida , Hiroaki Saito
发明人： Masahito Onda , Hirotoshi Kubo , Shouji Miyahara , Hiroyasu Ishida , Hiroaki Saito
IPC分类号： H01L29/76
CPC分类号： H01L29/7813 , H01L21/26586 , H01L29/0869 , H01L29/4236 , H01L29/66727 , H01L29/66734
摘要： An interlayer dielectric film is completely buried in a trench, and failures caused by step coverage is prevented because a source electrode can be formed substantially uniformly on an upper portion of a gate electrode. Also, in the processes of forming a source region, a body region and an interlayer dielectric film, only one mask is necessary so that the device size is reduced to account for placement error of only one mask alignment.
摘要翻译：层间电介质膜被完全埋入沟槽中，由于可以在栅电极的上部基本上均匀地形成源电极，所以防止由台阶覆盖引起的故障。此外，在形成源极区域，体区域和层间电介质膜的过程中，仅需要一个掩模，使得器件尺寸减小以仅考虑一个掩模对准的放置误差。

74. 发明授权

US07550135B2 Composition for external application 有权
公开(公告)号：US07550135B2
公开(公告)日：2009-06-23
申请号：US10967481
申请日：2004-10-19
申请人： Masahide Hoshino , Hiroaki Saito , Yoshiya Sugai , Mituru Sugiyama , Yoshinori Nishizawa , Yasushi Katayama
发明人： Masahide Hoshino , Hiroaki Saito , Yoshiya Sugai , Mituru Sugiyama , Yoshinori Nishizawa , Yasushi Katayama
IPC分类号： A61K8/88
CPC分类号： A61Q5/00 , A61K8/42 , A61Q5/02 , A61Q17/00 , A61Q17/04 , A61Q19/00 , A61Q19/007
摘要： The present invention relates to a composition for external application, a humectant and a skin barrier function reinforcing agent, each containing a diamide derivative represented by the following formula (1): (wherein, R1a and R1b are the same or different and each represents a C1-23 hydrocarbon group, R2a and R2b are the same or different and each represents a divalent C1-6 hydrocarbon group, R3s are the same or different and each represents a divalent C2-6 hydrocarbon group and n stands for 1 to 100). The composition for external application, humectant and skin barrier function reinforcing agent basically improve the water retaining ability and barrier functions of the horny layer, are excellent in miscibility and mixing stability and can be prepared efficiently at a low cost.

75. 发明授权

US07521306B2 Semiconductor device and a method of fabricating the same 有权
公开(公告)号：US07521306B2
公开(公告)日：2009-04-21
申请号：US11194446
申请日：2005-08-02
申请人： Hirotoshi Kubo , Masanao Kitagawa , Masahito Onda , Hiroaki Saito , Eiichiroh Kuwako
发明人： Hirotoshi Kubo , Masanao Kitagawa , Masahito Onda , Hiroaki Saito , Eiichiroh Kuwako
IPC分类号： H01L21/336
CPC分类号： H01L29/7802 , H01L29/1095 , H01L29/41766 , H01L29/4236 , H01L29/66719 , H01L29/66727 , H01L29/66734 , H01L29/7813
摘要： A power MOSFET comprises: a semiconductor substrate 21 of a first conduction type; a drain layer 22 of the first conduction type and formed on a surface layer of the substrate; a gate insulating film 25 formed in a partial region on the drain layer 22; a gate electrode 26 formed on the gate insulating film 25; an insulating film 27 formed on the gate electrode; a side wall insulator 28 formed on side walls of the gate insulating film 25, the gate electrode 26, and the insulating film 27; a recess formed on the drain layer 22 and in a region other than a region where the gate electrode 25 and the side wall insulator 28 are formed; a channel layer 23 of a second conduction type opposite to the first conduction type and formed in a range from the region where the recess is formed to a vicinity of the region where the gate electrode 26 is formed; a source region layer 24 of the one conduction type and formed on the channel layer 23 outside the recess; and a wiring layer 29 formed to cover the channel layer 23 which is exposed through the recess, the side wall insulator 28, and the insulating film.

76. 发明授权

US07365940B2 Hard disk drive device, and fluid dynamic bearing spindle motor and assembling method thereof 失效
标题翻译：硬盘驱动装置和流体动力轴承主轴电动机及其组装方法
公开(公告)号：US07365940B2
公开(公告)日：2008-04-29
申请号：US11167126
申请日：2005-06-28
申请人： Takeyoshi Yamamoto , Yasunori Tokuno , Hiroaki Saito
发明人： Takeyoshi Yamamoto , Yasunori Tokuno , Hiroaki Saito
IPC分类号： G11B17/02 , F16C32/06 , H02K5/16 , H02K7/08
CPC分类号： G11B33/121 , F16C17/107 , F16C33/1015 , F16C2370/12 , G11B19/2018 , G11B25/043
摘要： A hydrodynamic bearing for a hard disk drive device is disclosed. An oil is filled in a clearance between an inner surface of the hub and an outer surface of the shaft, whereby a hydrodynamic radial bearing is formed between the inner periphery of the hub and the outer periphery of the shaft, and a hydrodynamic thrust bearing is formed between the top face of the shaft and the thrust plate. Between an outer peripheral part at the base end of the shaft and an inner peripheral part at the open end of the hub is formed a seal part in which a larger clearance is formed between the shaft and the hub than a clearance in the hydrodynamic radial bearing and in which the oil surface is positioned. An oil surface adjusting hole and a plug for sealing the hole are provided in the case opposite the seal part.
摘要翻译：公开了一种用于硬盘驱动装置的流体动力轴承。油被填充在毂的内表面和轴的外表面之间的间隙中，由此在轮毂的内周和轴的外周之间形成流体动力学径向轴承，并且流体动力推力轴承是形成在轴的顶面和止推板之间。在轴的基端部的外周部和轮毂的开口端的内周部之间形成有密封部，在该密封部中，在轴和轮毂之间形成比在流体动力学径向轴承中的间隙更大的间隙并且其中油表面被定位。在与密封部相对的壳体中设置油面调整孔和密封孔的塞子。

77. 发明申请

US20070140605A1 Hydrodynamic bearing type rotary device and recording and reproduction apparatus including the same 有权
标题翻译：流体动力轴承型旋转装置及包括其的记录和再现装置
公开(公告)号：US20070140605A1
公开(公告)日：2007-06-21
申请号：US11492166
申请日：2006-07-25
申请人： Takafumi Asada , Hiroaki Saito , Daisuke Ito
发明人： Takafumi Asada , Hiroaki Saito , Daisuke Ito
IPC分类号： F16C32/06
CPC分类号： F16C33/103 , F16C17/107 , F16C33/1085 , F16C33/745 , F16C2370/12
摘要： A hydrodynamic bearing type rotary device which allows bubbles in a lubricating fluid to be surely discharged from a bearing portion is provided. A hydrodynamic bearing mechanism 40 of the hydrodynamic bearing type rotary device is formed of a sleeve 1, a shaft 2, a flange 3, a thrust plate 4, a seal cap 5, and oil 6. A first fluid reservoir F is formed between the sleeve 1, the flange 3, and the thrust plate 4. A second fluid reservoir H is formed between the sleeve 1 and the seal cap 5. In the sleeve 1, a communication hole G extending along an axial direction is formed. The first fluid reservoir F and the second fluid reservoir H communicate with each other through the communication hole G. The oil 6 is filled between the members. A capillary pressure is higher in the first fluid reservoir F than in the second fluid reservoir H.
摘要翻译：提供了允许润滑流体中的气泡从轴承部确定地排出的流体动力轴承型旋转装置。流体动力轴承型旋转装置的流体动力轴承机构40由套筒1，轴2，凸缘3，止推板4，密封盖5和油6形成。第一流体储存器F形成在套筒1，凸缘3和止推板4.第二流体储存器H形成在套筒1和密封盖5之间。在套筒1中形成有沿轴向延伸的连通孔G. 第一流体储存器F和第二流体储存器H通过连通孔G彼此连通。油6填充在构件之间。第一流体储存器F中的毛细管压力高于第二流体储存器H中的毛细管压力。

78. 发明申请

US20070024136A1 Hydrodynamic bearing device, motor, and disk driving apparatus 失效
标题翻译：流体动力轴承装置，电动机和盘驱动装置
公开(公告)号：US20070024136A1
公开(公告)日：2007-02-01
申请号：US11443175
申请日：2006-05-31
申请人： Hiroaki Saito , Hiroyuki Kiriyama , Takao Yoshitsugu , Koji Hirata
发明人： Hiroaki Saito , Hiroyuki Kiriyama , Takao Yoshitsugu , Koji Hirata
IPC分类号： H02K5/16 , F16C32/06
CPC分类号： F16C17/102 , F16C17/107 , F16C33/107 , H02K7/086
摘要： To provide a hydrodynamic bearing device with high reliability, with which reductions in size, weight, and thickness can be achieved, as well as a motor and a disk driving apparatus that make use of this hydrodynamic bearing device. The hydrodynamic bearing device pertaining to the present invention comprises a shaft 10, a thrust flange 16, a sleeve 11, a seal plate 21, and a retaining plate 20. A radial dynamic pressure bearing is formed in the radial direction gap between the shaft 10 and the sleeve 11, and a thrust dynamic pressure bearing is formed in the thrust dynamic bearing gap between the sleeve 11 and the thrust flange 16. A communicating hole 11d is formed for communicating between the gap between the sleeve 11 and the seal plate 21 and the thrust direction gap between the sleeve 11 and the thrust flange 116. The radial dynamic pressure bearing and/or the thrust dynamic pressure bearing are formed such that a lubricating oil 9 circulates in the gap between the sleeve 11 and the seal plate 21 from the inner peripheral side of the sleeve 11 toward the outer peripheral side.
摘要翻译：提供具有高可靠性的流体动力轴承装置，其可以实现尺寸，重量和厚度的减小，以及利用该流体动力轴承装置的电动机和盘驱动装置。本发明的流体动力轴承装置包括轴10，推力凸缘16，套筒11，密封板21和保持板20。径向动压轴承形成在轴10和套筒11之间的径向间隙中，并且推力动压轴承形成在套筒11和推力凸缘16之间的推力动态轴承间隙中。形成连通孔11d用于在套筒11和密封板21之间的间隙以及套筒11和推力凸缘116之间的推力方向间隙之间连通。径向动压轴承和/或推力动压轴承形成为使得润滑油9从套筒11的内周侧向外周侧在套筒11和密封板21之间的间隙中循环。

79. 发明申请

US20060255675A1 Hydrodynamic bearing device and spindle motor having the bearing device, and recording and/or reproducing apparatus using the spindle motor 失效
公开(公告)号：US20060255675A1
公开(公告)日：2006-11-16
申请号：US11407060
申请日：2006-04-20
申请人： Hiroaki Saito , Takeyoshi Yamamoto , Takao Yoshitsugu
发明人： Hiroaki Saito , Takeyoshi Yamamoto , Takao Yoshitsugu
IPC分类号： H02K5/16 , H02K7/08
CPC分类号： F16C33/107 , F16C17/107 , H02K5/1675 , H02K7/085
摘要： A set of radial dynamic pressure generating grooves constitute a radial bearing, and an entire width (L) of the radial dynamic pressure generating groove is reduced. A set of thrust dynamic pressure generating grooves constituting a thrust bearing are formed so that an area where a maximal thrust dynamic pressure is generated (diameter) is increased, and a bearing angle stiffness of the thrust bearing is increased. The thrust bearing having the high bearing angle stiffness shares a moment load applied to a shaft to thereby compensate for a bearing angle stiffness of the radial bearing whose bearing stiffness is small because an entire width of the radial bearing is small. Thus, a thin-shaped hydrodynamic bearing capable of withstanding a large moment load is obtained.

80. 发明授权

US5970344A Method of manufacturing semiconductor device having gate electrodes formed in trench structure before formation of source layers 有权
标题翻译：在形成源层之前制造具有在沟槽结构中形成的栅电极的半导体器件的方法
公开(公告)号：US5970344A
公开(公告)日：1999-10-19
申请号：US138617
申请日：1998-08-24
申请人： Hirotoshi Kubo , Eiichiroh Kuwako , Masanao Kitagawa , Hiroaki Saito
发明人： Hirotoshi Kubo , Eiichiroh Kuwako , Masanao Kitagawa , Hiroaki Saito
IPC分类号： H01L21/336 , H01L29/08 , H01L29/417 , H01L29/78 , H01L21/302
CPC分类号： H01L29/7813 , H01L29/0847 , H01L29/41766 , H01L29/7802
摘要： A channel layer is formed in a surface of a semiconductor substrate, and a plurality of trenches are formed in the surface of the semiconductor substrate, the trenches being deeper than the channel layer. Then, gate electrodes are formed in the trenches, respectively, after which body layers are formed between the trenches and source layers are formed adjacent to the trenches.
摘要翻译：在半导体衬底的表面中形成沟道层，并且在半导体衬底的表面中形成多个沟槽，沟槽比沟道层更深。然后，分别在沟槽中形成栅电极，之后在沟槽之间形成体层，并且与沟槽相邻地形成源极层。

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