公开(公告)号：US20170140780A1

公开(公告)日：2017-05-18

申请号：US14945004

申请日：2015-11-18

申请人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Shigeki TANEMURA ,  Yukinori IKEGAWA ,  Kenichi TAKANO

发明人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Shigeki TANEMURA ,  Yukinori IKEGAWA ,  Kenichi TAKANO

IPC分类号： G11B5/127 ,  G11B5/17 ,  G11B5/39

CPC分类号： G11B5/1278 ,  G11B5/115 ,  G11B5/17 ,  G11B5/3116 ,  G11B5/3123 ,  G11B5/3146 ,  G11B5/3163 ,  G11B5/3912

摘要： A magnetic head includes a coil, a main pole, a write shield, and a return path section. The coil includes a coil element located on the trailing side of the main pole. The coil element has a front end face facing toward the medium facing surface. The return path section includes a first portion, a second portion, and an intermediate film interposed between the first portion and the second portion. Part of the first portion is interposed between the medium facing surface and the front end face of the coil element. Part of the second portion is interposed between the first portion and the front end face of the coil element.

公开(公告)号：US20170125042A1

公开(公告)日：2017-05-04

申请号：US14930084

申请日：2015-11-02

申请人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Yukinori IKEGAWA ,  Shigeki TANEMURA ,  Kenichi TAKANO

发明人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Yukinori IKEGAWA ,  Shigeki TANEMURA ,  Kenichi TAKANO

IPC分类号： G11B5/127 ,  G11B5/39

CPC分类号： G11B5/17 ,  G11B5/1278 ,  G11B5/3123

摘要： A magnetic head includes a coil, a main pole and a return path section. The return path section is located on the trailing side relative to the main pole so that a space is defined between the main pole and itself. The coil includes a first winding portion and a second winding portion connected in series. The first winding portion extends to pass through the aforementioned space, and extends once around the entire perimeter of the main pole as viewed from the medium facing surface. The second winding portion does not pass through the aforementioned space, and surrounds only a part of the entire perimeter of the main pole as viewed from the medium facing surface.

公开(公告)号：US20160275970A1

公开(公告)日：2016-09-22

申请号：US14664466

申请日：2015-03-20

申请人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Yukinori IKEGAWA ,  Hironori ARAKI ,  Shigeki TANEMURA

发明人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Yukinori IKEGAWA ,  Hironori ARAKI ,  Shigeki TANEMURA

IPC分类号： G11B5/31 ,  G11B5/127

CPC分类号： G11B5/3116 ,  G11B5/10 ,  G11B5/1278 ,  G11B5/17 ,  G11B5/3163

摘要： A magnetic head includes a coil, a main pole, a write shield, a gap section, and a return path section. The main pole has a top surface including an inclined portion and a flat portion. The coil includes a specific coil element. The specific coil element has a front end portion, and an inclined surface contiguous with the front end portion. The write shield includes a top shield layer located on the front side in the direction of travel of a recording medium relative to the main pole, and located closer to a medium facing surface than the specific coil element. The top shield layer is located on the rear side in the direction of travel of the recording medium relative to an imaginary plane including the inclined surface of the specific coil element.

摘要翻译： 磁头包括线圈，主极，写屏蔽，间隙部分和返回路径部分。 主极具有包括倾斜部分和平坦部分的顶表面。 线圈包括特定的线圈元件。 特定线圈元件具有前端部和与前端部邻接的倾斜面。 写屏蔽包括位于记录介质相对于主极的行进方向的前侧的顶部屏蔽层，并且位于比特定线圈元件更靠近介质面的表面。 顶部屏蔽层位于记录介质相对于包括特定线圈元件的倾斜表面的假想平面的行进方向的后侧。

公开(公告)号：US20150170682A1

公开(公告)日：2015-06-18

申请号：US14107546

申请日：2013-12-16

申请人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Shigeki TANEMURA ,  Yukinori IKEGAWA ,  Hironori ARAKI ,  Tatsuya SHIMIZU

发明人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Shigeki TANEMURA ,  Yukinori IKEGAWA ,  Hironori ARAKI ,  Tatsuya SHIMIZU

IPC分类号： G11B5/17 ,  G11B5/11

CPC分类号： G11B5/3123 ,  G11B5/1278 ,  G11B5/3116

摘要： A magnetic head includes a coil, a main pole, a write shield, a first insulating film, and a second insulating film. The coil includes a specific coil element. The main pole has a top surface including an inclined surface portion and a flat surface portion. The write shield includes an inclined portion. The inclined portion includes a first portion opposed to the inclined surface portion, and a second portion located farther from a medium facing surface than the first portion. The specific coil element includes an interposition part interposed between the flat surface portion and the second portion. The first insulating film is interposed between the inclined surface portion and the first portion of the inclined portion, and between the interposition part and the second portion of the inclined portion. The second insulating film is interposed between the first insulating film and the second portion of the inclined portion.

摘要翻译： 磁头包括线圈，主极，写入屏蔽，第一绝缘膜和第二绝缘膜。 线圈包括特定的线圈元件。 主极具有包括倾斜表面部分和平坦表面部分的顶表面。 写入屏蔽包括倾斜部分。 倾斜部分包括与倾斜表面部分相对的第一部分和位于比第一部分更远离介质面向表面的第二部分。 特定线圈元件包括介于平表面部分和第二部分之间的插入部分。 第一绝缘膜介于倾斜部分的倾斜表面部分和倾斜部分的第一部分之间，以及插入部分和倾斜部分的第二部分之间。 第二绝缘膜介于第一绝缘膜和倾斜部分的第二部分之间。

公开(公告)号：US20130107681A1

公开(公告)日：2013-05-02

申请号：US13283064

申请日：2011-10-27

申请人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Shigeki TANEMURA ,  Hironori ARAKI ,  Kazuki SATO ,  Yukinori IKEGAWA

发明人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Shigeki TANEMURA ,  Hironori ARAKI ,  Kazuki SATO ,  Yukinori IKEGAWA

IPC分类号： G11B13/04 ,  H05H1/24

CPC分类号： G11B5/314 ,  G11B5/6088 ,  G11B2005/0021

摘要： A plasmon generator configured to excite a surface plasmon based on light includes a first portion formed of a first metal material and a second portion formed of a second metal material different from the first metal material. The plasmon generator has a front end face. The front end face includes a near-field light generating part that generates near-field light based on the surface plasmon. The second portion includes an end face located in the front end face. The second metal material satisfies at least one of the following requirements: a lower ionization tendency than that of the first metal material; a lower electrical conductivity than that of the first metal material; and a higher Vickers hardness than that of the first metal material.

摘要翻译： 构造成基于光激发表面等离子体的等离子体发生器包括由第一金属材料形成的第一部分和由与第一金属材料不同的第二金属材料形成的第二部分。 等离子体发生器具有前端面。 前端面包括基于表面等离子体生成近场光的近场光产生部。 第二部分包括位于前端面中的端面。 第二金属材料满足以下要求中的至少一个：比第一金属材料低的电离倾向; 电导率低于第一金属材料; 并且维氏硬度高于第一金属材料的硬度。

公开(公告)号：US20130308227A1

公开(公告)日：2013-11-21

申请号：US13473159

申请日：2012-05-16

申请人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Shigeki TANEMURA ,  Kazuki SATO ,  Yukinori IKEGAWA ,  Atsushi IIJIMA ,  Tatsuya SHIMIZU

发明人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Shigeki TANEMURA ,  Kazuki SATO ,  Yukinori IKEGAWA ,  Atsushi IIJIMA ,  Tatsuya SHIMIZU

IPC分类号： G11B5/17 ,  G11B5/127

CPC分类号： G11B5/3116 ,  G11B5/1278 ,  G11B5/3123 ,  G11B5/315 ,  G11B5/3163

摘要： A magnetic head includes a magnetic structure incorporating a write shield. The magnetic structure is formed to include a first magnetic layer, a second magnetic layer stacked on the first magnetic layer, and a seed layer. The first magnetic layer has a front end face located in the medium facing surface and a top surface. The second magnetic layer has a front end face located in the medium facing surface and a bottom surface. The top surface of the first magnetic layer includes a first region including an end located in the medium facing surface and a second region farther from the medium facing surface than the first region. The seed layer is not present on the first region of the top surface of the first magnetic layer but is present on the second region.

摘要翻译： 磁头包括结合有写入屏蔽的磁性结构。 磁结构形成为包括第一磁性层，堆叠在第一磁性层上的第二磁性层和种子层。 第一磁性层具有位于介质相对表面中的前端面和顶面。 第二磁性层具有位于介质面向表面中的前端面和底面。 第一磁性层的顶表面包括第一区域和第二区域，第一区域包括位于介质面向表面中的端部和比介质面向表面比第一区域更远的第二区域。 种子层不存在于第一磁性层的顶表面的第一区域上，但存在于第二区域上。

公开(公告)号：US20120315716A1

公开(公告)日：2012-12-13

申请号：US13157938

申请日：2011-06-10

申请人： Hironori ARAKI ,  Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Shigeki TANEMURA ,  Yukinori IKEGAWA

发明人： Hironori ARAKI ,  Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Shigeki TANEMURA ,  Yukinori IKEGAWA

IPC分类号： H01L33/58 ,  H01L21/308

CPC分类号： G11B5/314 ,  G11B5/3163 ,  G11B2005/0021 ,  H01L21/31116

摘要： A method of taper-etching a layer to be etched that is made of SiO2 or SiON and has a top surface. The method includes the step of forming an etching mask with an opening on the top surface of the layer to be etched, and the step of taper-etching a portion of the layer to be etched, the portion being exposed from the opening, by reactive ion etching so that a groove having two wall faces that intersect at a predetermined angle is formed in the layer to be etched. The etching mask is formed of a material containing elemental Al. The step of taper-etching employs an etching gas that contains a main component gas, which contributes to the etching of the layer to be etched, and N2.

摘要翻译： 一种由SiO 2或SiON制成并具有顶表面的蚀刻层的蚀刻方法。 该方法包括以下步骤：在待蚀刻层的顶表面上形成具有开口的蚀刻掩模;以及将待蚀刻层的一部分从开口暴露的部分，通过反应 离子蚀刻，使得在被蚀刻层中形成具有以预定角度相交的两个壁面的凹槽。 蚀刻掩模由含有元素Al的材料形成。 锥蚀刻的步骤使用包含有助于蚀刻蚀刻层的主要成分气体和N 2的蚀刻气体。

公开(公告)号：US20150170679A1

公开(公告)日：2015-06-18

申请号：US14107701

申请日：2013-12-16

申请人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Shigeki TANEMURA ,  Yukinori IKEGAWA ,  Hironori ARAKI ,  Tatsuya SHIMIZU

发明人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Shigeki TANEMURA ,  Yukinori IKEGAWA ,  Hironori ARAKI ,  Tatsuya SHIMIZU

IPC分类号： G11B5/11 ,  G11B5/17

CPC分类号： G11B5/11 ,  G11B5/1278 ,  G11B5/17 ,  G11B5/3116 ,  G11B5/315 ,  G11B5/3163

摘要： A magnetic head includes a main pole, a write shield, and first and second nonmagnetic layers. The main pole has a top surface including an inclined surface portion. The write shield includes an inclined portion facing toward the top surface of the main pole. The first nonmagnetic layer is interposed between the inclined surface portion and the inclined portion. The second nonmagnetic layer is interposed between the first nonmagnetic layer and the inclined portion. The first nonmagnetic layer has a first front end located in a medium facing surface. The second nonmagnetic layer has a second front end that is located closest to but at a distance from the medium facing surface.

摘要翻译： 磁头包括主极，写屏蔽以及第一和第二非磁性层。 主极具有包括倾斜表面部分的顶表面。 写入屏蔽包括面向主极的顶表面的倾斜部分。 第一非磁性层插入在倾斜表面部分和倾斜部分之间。 第二非磁性层介于第一非磁性层和倾斜部分之间。 第一非磁性层具有位于介质相对表面中的第一前端。 第二非磁性层具有位于与介质相对表面最近但距离介质相对表面一定距离的第二前端。

公开(公告)号：US20120292287A1

公开(公告)日：2012-11-22

申请号：US13110442

申请日：2011-05-18

申请人： Hironori ARAKI ,  Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Shigeki TANEMURA ,  Yukinori IKEGAWA

发明人： Hironori ARAKI ,  Yoshitaka SASAKI ,  Hiroyuki ITO ,  Kazuki SATO ,  Shigeki TANEMURA ,  Yukinori IKEGAWA

IPC分类号： B44C1/22

CPC分类号： G11B5/3163 ,  G11B5/3116 ,  G11B2005/0021 ,  Y10T29/4902 ,  Y10T29/49021 ,  Y10T29/49032 ,  Y10T29/49043

摘要： In a method of forming a main pole, an initial accommodation layer is etched by RIE using a first etching mask having a first opening, whereby a groove is formed in the initial accommodation layer. Next, a part of the initial accommodation layer including the groove is etched by RIE using a second etching mask having a second opening, so that the groove becomes an accommodation part. The main pole is then formed in the accommodation part. The first etching mask has first and second sidewalls that face the first opening and are opposed to each other at a first distance in a track width direction. The second etching mask has third and fourth sidewalls that face the second opening and are opposed to each other at a second distance greater than the first distance.

摘要翻译： 在形成主极的方法中，使用具有第一开口的第一蚀刻掩模，通过RIE蚀刻初始容纳层，由此在初始容纳层中形成凹槽。 接下来，使用具有第二开口的第二蚀刻掩模，通过RIE蚀刻包括凹槽的初始容纳层的一部分，使得凹槽变成容纳部分。 主杆然后形成在容纳部分中。 第一蚀刻掩模具有面向第一开口并且在轨道宽度方向上以第一距离彼此相对的第一和第二侧壁。 第二蚀刻掩模具有面向第二开口的第三和第四侧壁，并且在大于第一距离的第二距离处彼此相对。

公开(公告)号：US20160343391A1

公开(公告)日：2016-11-24

申请号：US14720319

申请日：2015-05-22

申请人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Shigeki TANEMURA ,  Kazuki SATO ,  Hideo MAMIYA ,  Kenichi TAKANO

发明人： Yoshitaka SASAKI ,  Hiroyuki ITO ,  Shigeki TANEMURA ,  Kazuki SATO ,  Hideo MAMIYA ,  Kenichi TAKANO

IPC分类号： G11B5/31 ,  G11B5/48

CPC分类号： G11B5/315 ,  G11B5/314 ,  G11B5/3163 ,  G11B5/6088 ,  G11B11/10534 ,  G11B11/10536 ,  G11B11/10543 ,  G11B2005/0021

摘要： A thermally-assisted magnetic recording head includes a main pole, a plasmon generator, and first and second side shields. The main pole has a front end face located in the medium facing surface. The plasmon generator has a near-field light generating surface located in the medium facing surface. The front end face of the main pole includes a first end face portion, and a second end face portion greater in width than the first end face portion. The first and second side shields have first and second side shield end faces located on opposite sides of at least part of the near-field light generating surface and at least part of the first end face portion in the track width direction.

摘要翻译： 热辅助磁记录头包括主极，等离子体激元发生器以及第一和第二侧屏蔽。 主杆具有位于介质面对表面中的前端面。 等离子体发生器具有位于介质面对表面中的近场光产生表面。 主极的前端面包括第一端面部分和宽度大于第一端面部分的第二端面部分。 第一和第二侧面屏蔽具有位于近场光产生表面的至少一部分的相对侧上的第一和第二侧屏蔽端面以及轨道宽度方向上的第一端面部分的至少一部分。