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1. 发明申请

US20050068674A1 Thin film magnetic head and magnetic tape drive 失效
标题翻译：薄膜磁头和磁带驱动器
公开(公告)号：US20050068674A1
公开(公告)日：2005-03-31
申请号：US10673004
申请日：2003-09-26
申请人： Kazushi Ogawa , Tadashi Ozue , Teiichi Miyauchi
发明人： Kazushi Ogawa , Tadashi Ozue , Teiichi Miyauchi
IPC分类号： G11B5/008 , G11B5/147 , G11B5/187 , G11B5/31
CPC分类号： G11B5/3116 , G11B5/00813 , G11B5/187
摘要： A thin film magnetic head, in which: a magnetic gap thereof is disposed slantingly relative to a direction orthogonal to a scanning direction of the head corresponding to an azimuth angle; an upper magnetic core layer is positioned on a leading side preceding a lower magnetic core layer in a scanning direction of the head, a protrusion on the lower magnetic core layer has an inclined side surface inclined at an angle equal to or greater than the azimuth angle at least on one side surface in a direction of a track width thereof, and at least one edge of a side adjacent to the magnetic gap of a protrusion on the upper magnetic core layer is aligned on a line drawn extending from the inclined side surface of the lower magnetic core layer, thereby suppressing occurrence of side erasing in a magnetic recording medium during azimuth recording.
摘要翻译：一种薄膜磁头，其中：其磁隙相对于与方位角对应的扫描方向正交的方向倾斜地设置; 上磁芯层位于头部扫描方向上的下磁芯层前方的前方，下磁芯层上的突起具有以等于或大于方位角的角度倾斜的倾斜侧面至少在其一个侧表面上在其轨道宽度的方向上，并且与上磁芯层上的突起的磁隙相邻的一侧的至少一个边缘对准在从倾斜侧表面延伸的线上下磁芯层，从而在方位记录期间抑制磁记录介质中的边擦除的发生。

2. 发明授权

US06637168B2 Aircraft engine run-up hangar 有权
公开(公告)号：US06637168B2
公开(公告)日：2003-10-28
申请号：US10114155
申请日：2002-04-03
申请人： Takayuki Satomi , Kazushi Ogawa , Takashi Kawashima , Hidenori Yoshida , Yasuo Saito , Hajime Hirakawa , Kazuyuki Akimoto
发明人： Takayuki Satomi , Kazushi Ogawa , Takashi Kawashima , Hidenori Yoshida , Yasuo Saito , Hajime Hirakawa , Kazuyuki Akimoto
IPC分类号： E04F1708
CPC分类号： E04H6/44 , B64F1/26 , Y10S454/906
摘要： An aircraft engine run-up hangar comprises a building defining a test chamber capable of receiving an aircraft therein, an air inlet structure, and an exhaust structure. The air inlet structure is formed in a front end part of a roof structure corresponding to a front end part of the building, the exhaust structure is connected to a rear end part of the building and defines an exhaust passage extending obliquely upward from the back end of the building, and one or a plurality of current deflecting members are disposed near a lower end of the air inlet structure to deflect air currents flowing through the air inlet structure into the building toward an aircraft housed in the building. A current-straightening structure is incorporated into the air inlet structure. A current-straightening space is defined under the air inlet structure. A first current-straightening member, a second current-straightening member, a third current-straightening member and a fourth current-straightening member are disposed in a region in and around the current-straightening space.

3. 发明授权

US07457079B2 Magnetic head with rectangular-shaped planar spiral coil and leading core width smaller than trailing core width 失效
标题翻译：具有矩形平面螺旋线圈的磁头和引导芯宽小于后芯宽度
公开(公告)号：US07457079B2
公开(公告)日：2008-11-25
申请号：US10606108
申请日：2003-06-25
申请人： Kazushi Ogawa , Teiichi Miyauchi , Tadashi Ozue
发明人： Kazushi Ogawa , Teiichi Miyauchi , Tadashi Ozue
IPC分类号： G11B5/17 , G11B5/255 , G11B5/31 , G11B5/53 , G11B5/265 , G11B5/39
CPC分类号： G11B5/3967 , G11B5/23 , G11B5/2452 , G11B5/3106 , G11B5/3109 , G11B5/3116 , G11B5/312 , G11B5/313 , G11B5/3146 , G11B5/3156 , G11B5/3903 , G11B5/4886 , G11B5/4893 , G11B5/53
摘要： A thin film magnetic recording head comprises a substrate, a first magnetic core formed on the substrate, a second magnetic core having the front end face with a magnetic gap with respect to the front end face of the first magnetic core, and a coil for developing magnetic flux between the front end portions of the magnetic cores. A width of the second magnetic core at the front end portion thereof is chosen to be smaller than that of the first magnetic core. The second magnetic core is at a leading position relative to the second magnetic core in a traveling direction on a recording medium. In such configuration, it is possible to reduce side erase due to recording magnetic flux fringing and to achieve high density of magnetic recording while maintaining the conventional fabrication steps for the thin film magnetic recording head, thereby avoiding the problem in the fabrication.
摘要翻译：薄膜磁记录头包括基板，形成在基板上的第一磁芯，具有相对于第一磁芯的前端面具有磁隙的前端面的第二磁芯和用于显影的线圈磁芯的前端部之间的磁通量。第二磁芯在其前端部分的宽度被选择为小于第一磁芯的宽度。第二磁芯相对于第二磁芯在记录介质上的行进方向上处于前导位置。在这种结构中，由于记录磁通边缘而可能减少侧面擦除并且在保持薄膜磁记录头的常规制造步骤的同时实现高密度的磁记录，从而避免了制造中的问题。

4. 发明授权

US07002777B2 Tape drive head with lower core layer side inclined at angle equal to or greater than azimuth angle and aligned with upper core layer edge 失效
标题翻译：带驱动头，下芯层侧倾斜角度等于或大于方位角，并与上芯层边缘对齐
公开(公告)号：US07002777B2
公开(公告)日：2006-02-21
申请号：US10673004
申请日：2003-09-26
申请人： Kazushi Ogawa , Tadashi Ozue , Teiichi Miyauchi
发明人： Kazushi Ogawa , Tadashi Ozue , Teiichi Miyauchi
IPC分类号： G11B5/31 , G11B5/52 , G11B21/04
CPC分类号： G11B5/3116 , G11B5/00813 , G11B5/187
摘要： A thin film magnetic head, in which: a magnetic gap thereof is disposed slantingly relative to a direction orthogonal to a scanning direction of the head corresponding to an azimuth angle; an upper magnetic core layer is positioned on a leading side preceding a lower magnetic core layer in a scanning direction of the head, a protrusion on the lower magnetic core layer has an inclined side surface inclined at an angle equal to or greater than the azimuth angle at least on one side surface in a direction of a track width thereof, and at least one edge of a side adjacent to the magnetic gap of a protrusion on the upper magnetic core layer is aligned on a line drawn extending from the inclined side surface of the lower magnetic core layer, thereby suppressing occurrence of side erasing in a magnetic recording medium during azimuth recording.
摘要翻译：一种薄膜磁头，其中：其磁隙相对于与方位角对应的扫描方向正交的方向倾斜地设置; 上磁芯层位于头部扫描方向上的下磁芯层前方的前方，下磁芯层上的突起具有以等于或大于方位角的角度倾斜的倾斜侧面至少在其一个侧表面上在其轨道宽度的方向上，并且与上磁芯层上的突起的磁隙相邻的一侧的至少一个边缘对准在从倾斜侧表面延伸的线上下磁芯层，从而在方位记录期间抑制磁记录介质中的边擦除的发生。

5. 发明申请

US20050213240A1 Magnetic head device, rotary head device, magnetic tape device, magnetic disc device, and magnetic recording method 失效
标题翻译：磁头装置，旋转头装置，磁带装置，磁盘装置和磁记录方法
公开(公告)号：US20050213240A1
公开(公告)日：2005-09-29
申请号：US11065916
申请日：2005-02-25
申请人： Kazushi Ogawa
发明人： Kazushi Ogawa
IPC分类号： G11B5/31 , G11B5/02 , G11B5/29
CPC分类号： G11B5/3113 , G11B5/29
摘要： A magnetic head device scanned to a magnetic recoding medium has a plurality of recording head elements laminated on a base via insulating layers, the plurality of recording head elements are formed such that the size in a track width direction of a first magnetic core layer, of a pair of magnetic core layers opposed via a magnetic gap, positioned at a preceding side in a scanning direction of the head becomes smaller than the size in a track width direction of a second magnetic core layer positioned at its opposite side, and the ends of the adjacent first magnetic core layers are disposed to be deviated in a direction perpendicular to the laminating direction to be superposed in a predetermined width as seen from a laminating direction.
摘要翻译：扫描到磁记录介质的磁头装置具有通过绝缘层层叠在基底上的多个记录头元件，多个记录头元件形成为使得第一磁芯层的轨道宽度方向上的尺寸为位于头部的扫描方向上的前一侧的经由磁隙对置的一对磁芯层变得小于位于其相对侧的第二磁芯层的轨道宽度方向上的尺寸，相邻的第一磁芯层被设置为从层叠方向观察而沿垂直于层叠方向的方向偏离以从预定宽度叠加。

6. 发明授权

US06603382B1 Inductive element having improved superposed DC current characteristic 失效
标题翻译：具有改善的叠加直流电流特性的感应元件
公开(公告)号：US06603382B1
公开(公告)日：2003-08-05
申请号：US09547639
申请日：2000-04-12
申请人： Eiichi Komai , Yoshito Sasaki , Kazushi Ogawa
发明人： Eiichi Komai , Yoshito Sasaki , Kazushi Ogawa
IPC分类号： H01F500
CPC分类号： H01L27/08 , H01F17/0006 , H01F17/04
摘要： A coil layer, and a magnetic layer covering the coil layer via an insulating layer are provided. The magnetic layer comprises at least two magnetic films in lamination. There is adopted an inductive element including a combination of magnetic films in which, for any two magnetic films forming the magnetic layer, the value of product of multiplication of magnetic permeability and thickness of a magnetic film close to the coil layer is smaller than the value of product of multiplication of magnetic permeability and thickness of a magnetic film distant from the coil layer. This inductive element permits improvement of the superposed DC current characteristic and prevention of a decrease in inductance because magnetic fluxes generated from the coil layer are induced to a magnetic film distant from the coil layer.
摘要翻译：提供线圈层和经由绝缘层覆盖线圈层的磁性层。磁性层包括层压中的至少两个磁性膜。采用了包括磁性膜组合的电感元件，其中，对于形成磁性层的任何两个磁性膜，磁导率的增加乘积与靠近线圈层的磁性膜的厚度的值小于该值的磁导率乘积与远离线圈层的磁性膜的厚度的乘积。该电感元件允许改进叠加的直流电流特性，并且防止由线圈层产生的磁通量从远离线圈层的磁性膜引起的电感降低。

7. 发明授权

US07242547B2 Magnetic head device, rotary head device, magnetic tape device, magnetic disc device, and magnetic recording method 失效
标题翻译：磁头装置，旋转头装置，磁带装置，磁盘装置和磁记录方法
公开(公告)号：US07242547B2
公开(公告)日：2007-07-10
申请号：US11065916
申请日：2005-02-25
申请人： Kazushi Ogawa
发明人： Kazushi Ogawa
IPC分类号： G11B15/14
CPC分类号： G11B5/3113 , G11B5/29
摘要： A magnetic head device scanned to a magnetic recoding medium has a plurality of recording head elements laminated on a base via insulating layers, the plurality of recording head elements are formed such that the size in a track width direction of a first magnetic core layer, of a pair of magnetic core layers opposed via a magnetic gap, positioned at a preceding side in a scanning direction of the head becomes smaller than the size in a track width direction of a second magnetic core layer positioned at its opposite side, and the ends of the adjacent first magnetic core layers are disposed to be deviated in a direction perpendicular to the laminating direction to be superposed in a predetermined width as seen from a laminating direction.
摘要翻译：扫描到磁记录介质的磁头装置具有通过绝缘层层叠在基底上的多个记录头元件，多个记录头元件形成为使得第一磁芯层的轨道宽度方向上的尺寸为位于头部的扫描方向上的前一侧的经由磁隙对置的一对磁芯层变得小于位于其相对侧的第二磁芯层的轨道宽度方向上的尺寸，相邻的第一磁芯层被设置为从层叠方向观察而沿垂直于层叠方向的方向偏离以从预定宽度叠加。

8. 发明授权

US06560936B2 Aircraft engine run-up hangar 有权
公开(公告)号：US06560936B2
公开(公告)日：2003-05-13
申请号：US10114256
申请日：2002-04-03
申请人： Takayuki Satomi , Kazushi Ogawa , Takashi Kawashima , Hidenori Yoshida , Yasuo Saito , Hajime Hirakawa , Kazuyuki Akimoto
发明人： Takayuki Satomi , Kazushi Ogawa , Takashi Kawashima , Hidenori Yoshida , Yasuo Saito , Hajime Hirakawa , Kazuyuki Akimoto
IPC分类号： E01F900
CPC分类号： E04H6/44 , B64F5/60
摘要： An aircraft engine run-up hangar comprises a building defining a test chamber capable of receiving an aircraft therein, an air inlet structure, and an exhaust structure. The air inlet structure is formed in a front end part of a roof structure corresponding to a front end part of the building. The exhaust structure is connected to a rear end part of the building and defines an exhaust passage extending obliquely upward from the back end of the building. A ceiling included in the building has an inclined section sloping down backward to straighten air currents, and a groove is formed in a middle part, with respect to width, of the inclined section to permit a vertical tail fin of an aircraft to pass when the aircraft is carried into or out of the test chamber.

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