公开(公告)号：US08547660B2

公开(公告)日：2013-10-01

申请号：US12641251

申请日：2009-12-17

申请人： Donald G. Allen ,  Amanda Baer ,  Yingjian Chen ,  Andrew Chiu ,  Liubo Hong ,  Wen-Chien D. Hsiao ,  Edward H. P. Lee ,  Fenglin Liu ,  Aron Pentek ,  Katalin Pentek ,  Kyusik Shin ,  Yi Zheng ,  Qiping Zhong ,  Honglin Zhu

发明人： Donald G. Allen ,  Amanda Baer ,  Yingjian Chen ,  Andrew Chiu ,  Liubo Hong ,  Wen-Chien D. Hsiao ,  Edward H. P. Lee ,  Fenglin Liu ,  Aron Pentek ,  Katalin Pentek ,  Kyusik Shin ,  Yi Zheng ,  Qiping Zhong ,  Honglin Zhu

IPC分类号： G11B5/127

CPC分类号： G11B5/3163 ,  G11B5/112 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/314 ,  G11B5/3143 ,  G11B5/3146 ,  G11B5/315 ,  Y10T428/11 ,  Y10T428/1171

摘要： A magnetic write head having a tapered trailing edge and having a magnetic layer formed over a trailing edge of the write pole at a location recessed from the ABS, the magnetic layer being separated from the trailing edge of the write pole by a thin non-magnetic layer. The thin non-magnetic layer is preferably sufficiently thin that the magnetic layer can function as a portion of the write pole in a region removed from the ABS. A trailing magnetic shield is formed over the write pole and is separated from the write pole by a non-magnetic trailing gap layer. A non-magnetic spacer layer can be formed over the magnetic layer to provide additional separation between the magnetic layer and the trailing magnetic shield.

摘要翻译： 一种具有锥形后缘并具有磁性层的磁性写头，该磁性层形成在从ABS的凹陷处的写入极的后缘上，该磁性层通过薄的非磁性的方式与写入极的后缘分离 层。 薄的非磁性层优选地足够薄，使得磁性层可以在从ABS去除的区域中用作写入极的一部分。 尾磁屏蔽形成在写极上，并且通过非磁性拖尾间隙层与写极分离。 可以在磁性层之上形成非磁性间隔层，以在磁性层和尾部磁屏蔽之间提供额外的间隔。

公开(公告)号：US08201320B2

公开(公告)日：2012-06-19

申请号：US12641242

申请日：2009-12-17

申请人： Donald G. Allen ,  Yingjian Chen ,  Andrew Chiu ,  Liubo Hong ,  Wen-Chien D. Hsiao ,  Edward H. P. Lee ,  Fenglin Liu ,  Katalin Pentek ,  Kyusik Shin ,  Yi Zheng ,  Qiping Zhong ,  Honglin Zhu

发明人： Donald G. Allen ,  Yingjian Chen ,  Andrew Chiu ,  Liubo Hong ,  Wen-Chien D. Hsiao ,  Edward H. P. Lee ,  Fenglin Liu ,  Katalin Pentek ,  Kyusik Shin ,  Yi Zheng ,  Qiping Zhong ,  Honglin Zhu

IPC分类号： H04R31/00 ,  G11B5/127

CPC分类号： G11B5/11 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/3146 ,  G11B5/315 ,  G11B5/3163 ,  Y10T29/49039 ,  Y10T29/49043 ,  Y10T29/49044 ,  Y10T29/49046 ,  Y10T29/49048 ,  Y10T29/49052

摘要： A method for manufacturing a magnetic write head having a leading magnetic shield and a trailing magnetic shield that are arranged to prevent the lost of magnetic write field to the trailing magnetic shield. The write head includes a non-magnetic step layer that provides additional spacing between the trailing magnetic shield and the write pole at a region removed from the air bearing surface.

摘要翻译： 一种用于制造具有前磁屏蔽和后磁屏蔽的磁写头的方法，该方法被布置为防止向后磁屏蔽的磁写磁场的损失。 写头包括非磁性阶梯层，其在从空气轴承表面移除的区域处在后磁屏蔽和写极之间提供额外的间隔。

公开(公告)号：US5579717A

公开(公告)日：1996-12-03

申请号：US324424

申请日：1994-10-13

申请人： Douglas W. Crandell ,  Edward H. P. Lee ,  David J. Seagle

发明人： Douglas W. Crandell ,  Edward H. P. Lee ,  David J. Seagle

IPC分类号： B24B37/04 ,  B24B49/04 ,  B24B49/12 ,  G11B5/31 ,  G01D21/00

CPC分类号： G11B5/3166 ,  B24B37/048 ,  B24B49/04 ,  B24B49/12 ,  G11B5/3116 ,  G11B5/314 ,  G11B5/3169 ,  G11B5/012

摘要： According to the present grinding method, a plurality of optical markers are formed by photolithography such that the markers are embedded in a chiplet having a magnetic head. Markers are preferably in the shape of a bar having predetermined height, width and length and are spaced from each other by a predetermined distance where one end of the bars are sequentially offset from each other by a predetermined amount. During coarse grinding of the magnetic head as the magnetic head surface material is ground away, the end-face of the bars, one at a time, become visible. The closer the grinding surface approaches the desired inductive throat or MR element height, more end-faces become visible. Coarse grinding continues until a predetermined number of end-faces become visible at which point the grinding process is terminated and the magnetic head is ready for the final lapping process.

摘要翻译： 根据本研磨方法，通过光刻法形成多个光学标记，使得标记物嵌入具有磁头的小芯片中。 标记优选为具有预定高度，宽度和长度的条形的形状，并且彼此隔开预定距离，其中杆的一端相互偏移预定量。 当磁头表面材料被磨掉时，在磁头粗磨时，钢筋的端面一次一个变得可见。 研磨表面越接近所需的感应喉部或MR元件高度，越多的端面变得可见。 继续进行粗磨，直到预定数量的端面变得可见，此时研磨过程终止，并且磁头准备好进行最后的研磨过程。

公开(公告)号：US5462636A

公开(公告)日：1995-10-31

申请号：US174108

申请日：1993-12-28

申请人： George Y. Chen ,  Edward H. P. Lee

发明人： George Y. Chen ,  Edward H. P. Lee

IPC分类号： G11B5/31 ,  H01L21/78 ,  B44C1/22 ,  C03C15/00 ,  H01L21/306

CPC分类号： G11B5/3163 ,  G11B5/3106 ,  H01L21/78 ,  Y10S148/028

摘要： A method for creating scribe lines on a wafer having an electronic device constructed therein. A plurality of boundary segments is formed on the wafer to define a region on the wafer. This region encompasses the electronic device. An insulating layer is formed over the boundary segments, wherein the insulating layer covers the electronic device. A portion of the insulating layer is removed such that each of the segments is exposed. The boundary segments are then etched away to expose the wafer and form a plurality of scribe lines, wherein the wafer may be cut at the scribe lines to separate the electronic device from the wafer while minimizing damage to the electronic device.

摘要翻译： 一种在其上构造有电子器件的晶片上创建划线的方法。 在晶片上形成多个边界段以限定晶片上的区域。 该区域包括电子设备。 绝缘层形成在边界段上，其中绝缘层覆盖电子设备。 去除绝缘层的一部分，使得每个段被暴露。 然后蚀刻边界段以暴露晶片并形成多个划线，其中可以在划线处切割晶片以将电子器件与晶片分离，同时最小化对电子器件的损坏。