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1. 发明授权

US08049868B2 Concave-convex surface inspection apparatus 有权
标题翻译：凹凸表面检查装置
公开(公告)号：US08049868B2
公开(公告)日：2011-11-01
申请号：US12400140
申请日：2009-03-09
申请人： Masataka Toda , Toshihiko Yoshikawa , Katsuya Inuzuka , Koji Kuno
发明人： Masataka Toda , Toshihiko Yoshikawa , Katsuya Inuzuka , Koji Kuno
IPC分类号： G01C3/08 , G01N21/00
CPC分类号： G01B11/25
摘要： A concave-convex surface inspection apparatus includes a slit light source unit emitting a slit light to a concave-convex surface of an object to be inspected, an image-taking unit taking an image of the concave-convex surface illuminated by the emitted slit light with an imaging optical axis intersecting with an optical axis of the slit light with a narrow-angle equal to or narrower than 30 degrees, and an evaluation section obtaining a three dimensional shape of the concave-convex surface and evaluating the obtained three dimensional shape, wherein the slit light source unit includes a slit light source and a cylindrical lens, the image-taking unit includes a telecentric lens unit, an image-taking section having an imaging surface tilted relative to the imaging optical axis for increasing a focusing range of the concave-convex surface, and a P polarizer.
摘要翻译：凹凸表面检查装置包括将狭缝光发射到被检查物体的凹凸面的狭缝光源单元，摄像单元拍摄由发射的狭缝光照射的凹凸面的图像具有与狭缝等于或小于30度的狭缝光的光轴相交的成像光轴和获得凹凸表面的三维形状的评估部分，并评估所获得的三维形状，其中所述狭缝光源单元包括狭缝光源和柱面透镜，所述摄像单元包括远心透镜单元，摄像部分具有相对于成像光轴倾斜的成像表面，用于增加所述摄像部分的聚焦范围凹凸表面和P偏振器。

2. 发明申请

US20090231570A1 CONCAVE-CONVEX SURFACE INSPECTION APPARATUS 有权
标题翻译： CONCAVE-CONVEX表面检查装置
公开(公告)号：US20090231570A1
公开(公告)日：2009-09-17
申请号：US12400140
申请日：2009-03-09
申请人： Masataka Toda , Toshihiko Yoshikawa , Katsuya Inuzuka , Koji Kuno
发明人： Masataka Toda , Toshihiko Yoshikawa , Katsuya Inuzuka , Koji Kuno
IPC分类号： G01C3/00
CPC分类号： G01B11/25
摘要： A concave-convex surface inspection apparatus includes a slit light source unit emitting a slit light to a concave-convex surface of an object to be inspected, an image-taking unit taking an image of the concave-convex surface illuminated by the emitted slit light with an imaging optical axis intersecting with an optical axis of the slit light with a narrow-angle equal to or narrower than 30 degrees, and an evaluation section obtaining a three dimensional shape of the concave-convex surface and evaluating the obtained three dimensional shape, wherein the slit light source unit includes a slit light source and a cylindrical lens, the image-taking unit includes a telecentric lens unit, an image-taking section having an imaging surface tilted relative to the imaging optical axis for increasing a focusing range of the concave-convex surface, and a P polarizer.
摘要翻译：凹凸表面检查装置包括将狭缝光发射到被检查物体的凹凸面的狭缝光源单元，摄像单元拍摄由发射的狭缝光照射的凹凸面的图像具有与狭缝等于或小于30度的狭缝光的光轴相交的成像光轴和获得凹凸表面的三维形状的评估部分，并评估所获得的三维形状，其中所述狭缝光源单元包括狭缝光源和柱面透镜，所述摄像单元包括远心透镜单元，摄像部分具有相对于成像光轴倾斜的成像表面，用于增加所述摄像部分的聚焦范围凹凸表面和P偏振器。

3. 发明授权

US08451878B2 Surface profile inspection device 失效
标题翻译：表面轮廓检查装置
公开(公告)号：US08451878B2
公开(公告)日：2013-05-28
申请号：US13312044
申请日：2011-12-06
申请人： Masaru Hisanaga , Masataka Toda , Toshihiko Yoshikawa
发明人： Masaru Hisanaga , Masataka Toda , Toshihiko Yoshikawa
IPC分类号： H01S5/00 , H01S5/40 , H01S5/022
CPC分类号： H01S5/005 , G01B11/25 , H01S5/02248 , H01S5/4025
摘要： A surface profile inspection device producing a sheet of light propagating in a linear region forming a plane from a laser beam emitted from a laser light source and irradiating the sheet of light to an object to be measured, and including an image capturing unit capturing an image of the object to be measured and a configuration data generating unit extracting a light section line defined by an irradiation of the sheet of light from image data of the captured image and generating surface profile data of the object to be measured. The laser light source includes a semiconductor laser emitting a laser beam from a light emitting layer formed in a linear direction along a boarder of a p-n junction. An attitude of the semiconductor laser is set to arrange the linear direction to be unparallel to a spread direction of the sheet of light.
摘要翻译：一种表面轮廓检查装置，其产生在从激光光源发射的激光束形成平面的直线区域中传播的光束，并将光束照射到被测量物体，并且包括拍摄图像的图像捕获单元以及配置数据生成单元，从拍摄图像的图像数据中提取由照射光束而定义的光截面线，并生成被测量物体的表面轮廓数据。该激光源包括从p-n结的边缘沿着线性方向形成的发光层发射激光的半导体激光器。半导体激光器的姿态被设定为使线性方向与光束的扩展方向不平行。

4. 发明申请

US20080123215A1 PROCESS FOR PRODUCING HARD DISK DEVICE, PROCESS FOR ADJUSTING FLYING HEIGHT OF MAGNETIC HEAD, AND HARD DISK DEVICE 审中-公开
标题翻译：用于生产硬盘装置的方法，用于调节磁头的飞行高度的方法和硬盘装置
公开(公告)号：US20080123215A1
公开(公告)日：2008-05-29
申请号：US11945619
申请日：2007-11-27
申请人： Toshihiko Yoshikawa , Yoshihito Sueoka
发明人： Toshihiko Yoshikawa , Yoshihito Sueoka
IPC分类号： G11B21/02
CPC分类号： G11B5/6064 , G11B5/6058 , G11B5/607
摘要： A process for producing a hard disk device which is capable of producing a hard disk device having an excellent electromagnetic conversion characteristic at a high yield, and a process for adjusting flying height of a magnetic head having excellent reliability which is capable of improving the electromagnetic conversion characteristic of a hard disk device and preventing damage of a magnetic head derived from contact between a magnetic recording medium and a magnetic head are provided. Such a process for producing a hard disk device having a magnetic recording medium and a head gimbal assembly 20 having a magnetic head 3 which is arranged opposed to the magnetic recording medium to record and reproduce information includes an adjusting step of adjusting the flying height using an adjusting mechanism which adjusts the flying height of the magnetic head 3 to the magnetic recording medium while detecting the contact between the magnetic recording medium and the magnetic head 3 using a sensor 2 which is installed to the head gimbal assembly 20.
摘要翻译：一种制造能够以高产率制造具有优异的电磁转换特性的硬盘装置的硬盘装置的制造方法，以及用于调节具有优异的可靠性的能够改善电磁转换的磁头的飞行高度的工艺提供了硬盘装置的特性，并且防止了由磁记录介质和磁头之间的接触导致的磁头的损坏。这种用于制造具有磁记录介质的硬盘装置和具有与磁记录介质相对设置以记录和再现信息的磁头3的头万向架组件20的方法包括：调整步骤，使用调节机构，其使用安装到头万向架组件20的传感器2来检测磁记录介质和磁头3之间的接触，从而将磁头3的飞行高度调节到磁记录介质。

5. 发明授权

US06246502B1 Optical scanning apparatus 失效
标题翻译：光学扫描装置
公开(公告)号：US06246502B1
公开(公告)日：2001-06-12
申请号：US09451143
申请日：1999-11-30
申请人： Tohru Okada , Munehiro Takayama , Toshihiko Yoshikawa
发明人： Tohru Okada , Munehiro Takayama , Toshihiko Yoshikawa
IPC分类号： G02B2608
CPC分类号： G02B26/127
摘要： An optical scanning apparatus RD scans a laser beam and detects a foregoing vehicle FC present in a forward direction by a reflected beam derived from the laser beam. The apparatus includes a first mode for emitting a narrowed laser beam and a widened laser beam and a second mode for emitting the widened laser beam and the two modes are switched to thereby provide an apparatus for emitting a beam capable of detecting an object in a wide range, causing no detection failure and in compliance with a situation of surrounding objects.
摘要翻译：光学扫描装置RD扫描激光束并通过来自激光束的反射光束来检测正向存在的前述车辆FC。该装置包括用于发射变窄的激光束和加宽的激光束的第一模式和用于发射加宽的激光束的第二模式，并且切换两种模式，从而提供用于发射能够检测广泛的物体的光束的装置范围内，不会发现检测失败并符合周围物体的情况。

6. 发明授权

US06274233B1 Magnetic recording medium 失效
标题翻译：磁记录介质
公开(公告)号：US06274233B1
公开(公告)日：2001-08-14
申请号：US09276466
申请日：1999-03-25
申请人： Toshihiko Yoshikawa , Akira Sakawaki , Hiroshi Sakai , Tetsuya Osaka
发明人： Toshihiko Yoshikawa , Akira Sakawaki , Hiroshi Sakai , Tetsuya Osaka
IPC分类号： G11B566
CPC分类号： G11B5/66 , Y10S428/90 , Y10T428/26 , Y10T428/265
摘要： A magnetic recording medium comprising a substrate 1 having thereon an in-plane magnetic film 3 having a magnetic easy axis oriented in the in-plane direction with respect to the substrate and a vertical magnetic film 6 having a magnetic easy axis oriented perpendicularly to the substrate. The in-plane magnetic film 3 is disposed closer to the substrate 1 than the vertical magnetic film 6. In preferred embodiments, the magnetic recording medium may further comprise a separation film 4 disposed between the in-plane magnetic film 3 and the vertical magnetic film 6, a nonmagnetic intermediate layer 5 having an hcp structure disposed between the separation film 4 and the vertical magnetic film 6, and a protective film 7. The magnetic recording medium is adapted for use with a signal processing system generally used for in-plane magnetic recording media without modification of the signal processing system.
摘要翻译：一种磁记录介质，包括基板1，其上具有面向磁性薄膜3的平面磁性薄膜3，所述平面磁性薄膜3具有相对于基板在面内方向上定向的易磁化轴;垂直磁性膜6具有垂直于基板的易磁化轴。面内磁性膜3比垂直磁性膜6更靠近基板1.在优选实施例中，磁记录介质还可以包括设置在平面内的磁性膜3和垂直磁性膜之间的分离膜4 如图6所示，具有设置在分离膜4和垂直磁性膜6之间的hcp结构的非磁性中间层5和保护膜7.磁记录介质适用于通常用于面内磁性的信号处理系统记录介质而不修改信号处理系统。

7. 发明授权

US06815097B2 Magnetic recording medium 有权
标题翻译：磁记录介质
公开(公告)号：US06815097B2
公开(公告)日：2004-11-09
申请号：US10078659
申请日：2002-02-21
申请人： Toshihiko Yoshikawa , Akira Sakawaki , Hiroshi Sakai
发明人： Toshihiko Yoshikawa , Akira Sakawaki , Hiroshi Sakai
IPC分类号： G11B566
CPC分类号： G11B5/667 , G11B5/656 , G11B5/66 , G11B5/7325 , Y10S428/90 , Y10T428/265
摘要： A magnetic recording medium comprising a non-magnetic substrate having thereon a non-magnetic underlayer, a magnetic recording layer, a soft magnetic layer and a protective layer, wherein the coercivity is 2,500 Oe or more and the thickness of the soft magnetic layer is from 5 to 50 Å.
摘要翻译：一种磁记录介质，包括其上具有非磁性底层，磁记录层，软磁性层和保护层的非磁性基板，其中矫顽力为2500Oe以上，软磁性层的厚度为 5至50埃。

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