公开(公告)号：US08454846B1

公开(公告)日：2013-06-04

申请号：US12817376

申请日：2010-06-17

申请人： Ronghui Zhou ,  Ming Jiang ,  Danning Yang ,  Yun-Fei Li

发明人： Ronghui Zhou ,  Ming Jiang ,  Danning Yang ,  Yun-Fei Li

IPC分类号： B44C1/22 ,  G11B5/31

CPC分类号： G11B5/3163 ,  G11B5/315

摘要： A method and system for fabricating magnetic recording transducer are described. The magnetic recording transducer has a main pole including a plurality of sides, an intermediate layer adjacent to the sides of the main pole, and a field region distal from the main pole. The method and system include providing at least one trench in the intermediate layer. The trench(es) are between the main pole and the field region. The method and system also include providing a stop layer. A portion of the stop layer resides in at least part of the trench(es) and on at least part of the field region. The method and system also include removing a portion of the intermediate layer using a wet etch. The stop layer is resistant to removal by the wet etch. The method and system also include depositing a full wrap-around shield layer on the main pole.

摘要翻译： 描述了用于制造磁记录换能器的方法和系统。 磁记录传感器具有包括多个侧面的主极，与主极的侧面相邻的中间层和远离主极的场区域。 该方法和系统包括在中间层中提供至少一个沟槽。 沟槽在主极和场区之间。 该方法和系统还包括提供停止层。 停止层的一部分位于沟槽的至少一部分中，并且位于场区域的至少一部分上。 该方法和系统还包括使用湿蚀刻去除中间层的一部分。 止挡层耐湿蚀刻能够去除。 该方法和系统还包括在主极上沉积完整的环绕屏蔽层。

公开(公告)号：US09099118B1

公开(公告)日：2015-08-04

申请号：US12472341

申请日：2009-05-26

申请人： Ronghui Zhou ,  Ming Jiang ,  Guanghong Luo ,  Yun-Fei Li

发明人： Ronghui Zhou ,  Ming Jiang ,  Guanghong Luo ,  Yun-Fei Li

IPC分类号： G11B5/127 ,  H04R31/00 ,  G11B5/31

CPC分类号： G11B5/3169 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/313 ,  G11B5/3163 ,  Y10T29/49046

摘要： Methods of forming a write pole are disclosed. A structure comprising a bottom insulating layer and a top insulating layer is provided. A top damascene trench is formed in the top insulating layer, and a bottom damascene trench is formed in the bottom insulating layer. The bottom damascene trench and a portion of the top damascene trench are filled with a pole material. The top insulating layer and a portion of the pole material located above the bottom damascene trench are removed.

摘要翻译： 公开了形成写极的方法。 提供了包括底部绝缘层和顶部绝缘层的结构。 在顶部绝缘层中形成顶部镶嵌沟槽，并且在底部绝缘层中形成底部镶嵌沟槽。 底部镶嵌沟槽和顶部镶嵌沟槽的一部分填充有极材料。 去除顶部绝缘层和位于底部镶嵌沟槽上方的极材料的一部分。

公开(公告)号：US08262918B1

公开(公告)日：2012-09-11

申请号：US12411270

申请日：2009-03-25

申请人： Yun-Fei Li ,  Ronghui Zhou ,  Guanghong Luo ,  Ming Jiang

发明人： Yun-Fei Li ,  Ronghui Zhou ,  Guanghong Luo ,  Ming Jiang

IPC分类号： B44C1/22

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

摘要： Methods of producing magnetic recording heads are disclosed. The methods can include providing a wafer comprising a substrate layer in which are disposed a plurality of damascene trenches. The method can further include depositing a pole material across the whole wafer, wherein the plurality of trenches are filled with the pole material. The methods can further include depositing a mask material over the pole material across the whole wafer. The methods can further include performing a first material removal process across the whole wafer to remove the mask material and a first portion of the pole material at a same material removal rate. The methods can further include performing a second material removal process to remove a second portion of the pole material above the substrate layer.

摘要翻译： 公开了制造磁记录头的方法。 所述方法可以包括提供包括其中布置有多个镶嵌沟槽的基底层的晶片。 该方法还可以包括在整个晶片上沉积极材料，其中多个沟槽用极材料填充。 该方法还可以包括在整个晶片上沉积超过极材料的掩模材料。 该方法还可以包括在整个晶片上执行第一材料去除工艺，以相同的材料去除速率移除掩模材料和极材料的第一部分。 所述方法还可以包括执行第二材料去除工艺以去除衬底层上方的极材料的第二部分。

公开(公告)号：US08486285B2

公开(公告)日：2013-07-16

申请号：US12544998

申请日：2009-08-20

申请人： Ronghui Zhou ,  Ming Jiang ,  Xiaohai Xiang ,  Jinwen Wang ,  Guanghong Luo ,  Yun-Fei Li

发明人： Ronghui Zhou ,  Ming Jiang ,  Xiaohai Xiang ,  Jinwen Wang ,  Guanghong Luo ,  Yun-Fei Li

IPC分类号： B44C1/22

CPC分类号： G11B5/855 ,  Y10T29/49048

摘要： A method for forming a write pole comprises forming a stop layer over a substrate layer of a wafer, the stop layer having an opening above a damascene trench in the substrate layer, and forming a buffer layer over the stop layer, the buffer layer having an opening above the opening of the stop layer. The method further comprises plating a layer of magnetic material over the wafer, disposing a first sacrificial material over a region of the magnetic material above the damascene trench, performing a milling or etching operation over the wafer to remove the magnetic material not covered by the first sacrificial material and to remove the first sacrificial material, disposing a second sacrificial material over the wafer, and performing a polishing operation over the wafer to remove the region of the magnetic material above the damascene trench, the second sacrificial material, and the buffer layer.

摘要翻译： 用于形成写极的方法包括在晶片的衬底层上形成阻挡层，所述阻挡层在衬底层中具有在镶嵌沟槽上方的开口，以及在停止层上形成缓冲层，所述缓冲层具有 在停止层的开口上方开口。 该方法还包括在晶片上镀覆一层磁性材料，在金刚石沟槽上方的磁性材料的区域上设置第一牺牲材料，在晶片上进行研磨或蚀刻操作，以去除第一 牺牲材料并且去除第一牺牲材料，在晶片上设置第二牺牲材料，以及在晶片上执行抛光操作以去除镶嵌沟槽，第二牺牲材料和缓冲层之上的磁性材料的区域。

公开(公告)号：US08375564B1

公开(公告)日：2013-02-19

申请号：US12633562

申请日：2009-12-08

申请人： Guanghong Luo ,  Danning Yang ,  Weimin Si ,  Dujiang Wan ,  Yun-Fei Li ,  Lijie Guan ,  Ming Jiang

发明人： Guanghong Luo ,  Danning Yang ,  Weimin Si ,  Dujiang Wan ,  Yun-Fei Li ,  Lijie Guan ,  Ming Jiang

IPC分类号： G11B5/127 ,  H04R31/00

CPC分类号： G11B5/1278 ,  G11B5/3116 ,  Y10T29/49043 ,  Y10T29/49044 ,  Y10T29/49046 ,  Y10T29/49048 ,  Y10T29/49052

摘要： A method provides a pole of magnetic recording transducer. A nonmagnetic stop layer having a thickness and a top surface is provided. A depression that forms a bevel is provided in the stop layer. The bevel has a depth less than the thickness and a bevel angle with respect to a remaining portion of the top surface. The bevel angle is greater than zero and less than ninety degrees. An intermediate layer having a substantially flat top surface is provided over the stop layer. A trench is formed in the intermediate layer via a removal process. The trench has a profile corresponding to the pole. The stop layer is a stop for the removal process. The method also includes providing the pole in the trench. The pole has a leading edge bevel corresponding to the bevel in the stop layer.

摘要翻译： 一种方法提供磁记录传感器的极点。 提供具有厚度和顶表面的非磁性停止层。 形成斜面的凹陷设置在停止层中。 该斜面具有小于该厚度的深度和相对于顶部表面的剩余部分的斜角。 斜角大于零，小于九十度。 具有基本上平坦的顶表面的中间层设置在停止层上。 通过去除工艺在中间层中形成沟槽。 沟槽具有对应于极点的轮廓。 停止层是移除过程的停止点。 该方法还包括在沟槽中设置极点。 极具有对应于停止层中的斜面的前缘斜面。

公开(公告)号：US08506828B1

公开(公告)日：2013-08-13

申请号：US13171242

申请日：2011-06-28

申请人： Masahiro Osugi ,  Guanghong Luo ,  Ronghui Zhou ,  Danning Yang ,  Dujiang Wan ,  Ming Jiang

发明人： Masahiro Osugi ,  Guanghong Luo ,  Ronghui Zhou ,  Danning Yang ,  Dujiang Wan ,  Ming Jiang

IPC分类号： B44C1/22

CPC分类号： G11B5/3932 ,  G11B5/3163 ,  G11B5/3909 ,  Y10T29/49043

摘要： A method and system for fabricating a read sensor on a substrate for a read transducer is described. A read sensor stack is deposited on the substrate. A mask is provided on the on the read sensor stack. The mask has a pattern that covers a first portion of the read sensor stack corresponding to the read sensor, covers a second portion of the read sensor stack distal from the read sensor, and exposes a third portion of the read sensor stack between the first and second portions. The read sensor is defined from the read sensor stack. A hard bias layer is deposited. An aperture free mask layer including multiple thicknesses is provided. A focused ion beam scan (FIBS) polishing step is performed on the mask and hard bias layers to remove a portion of the mask and hard bias layers based on the thicknesses.

摘要翻译： 描述了用于在读取换能器的基板上制造读取传感器的方法和系统。 读取传感器堆叠沉积在衬底上。 在读取传感器堆叠上提供掩模。 掩模具有覆盖对应于读取传感器的读取传感器堆叠的第一部分的图案，其覆盖远离读取传感器的读取传感器堆叠的第二部分，并将读取传感器堆叠的第三部分暴露在第一和第 第二部分。 读取传感器由读取传感器堆栈定义。 沉积硬偏压层。 提供包括多个厚度的无孔掩模层。 在掩模和硬偏压层上执行聚焦离子束扫描（FIBS）抛光步骤，以基于厚度去除掩模和硬偏压层的一部分。

公开(公告)号：US08578594B2

公开(公告)日：2013-11-12

申请号：US13154191

申请日：2011-06-06

申请人： Ming Jiang ,  Ronghui Zhou ,  Guanghong Luo ,  Masahiro Osugi ,  Danning Yang

发明人： Ming Jiang ,  Ronghui Zhou ,  Guanghong Luo ,  Masahiro Osugi ,  Danning Yang

IPC分类号： G11B5/127 ,  H04R31/00

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

摘要： A process for fabricating a magnetic recording transducer for use in a data storage system comprises providing a substrate, an underlayer and a first nonmagnetic intermediate layer deposited to a first thickness on and in contact with the underlayer, performing a first scanning polishing on a first section of the first intermediate layer to planarize the first section of the first intermediate layer to a second thickness, providing a main pole in the planarized first section of the first intermediate layer, providing a first pattern of photoresist on and in contact with the first section of the first intermediate layer, the pattern comprising an aperture to define a side shield trench, performing a wet etch to remove at least a portion of the first intermediate layer thereby exposing at least one of the plurality of main pole sides, and depositing side shield material in the side shield trench.

摘要翻译： 一种用于制造用于数据存储系统的磁记录传感器的方法包括提供在底层上沉积到第一厚度并与底层接触的基底，底层和第一非磁性中间层，在第一部分上进行第一扫描抛光 将所述第一中间层的第一部分平坦化为第二厚度，在所述第一中间层的平坦化的第一部分中提供主极，在所述第一中间层的所述第一部分的第一部分上提供第一图案， 第一中间层，图案包括用于限定侧屏蔽沟槽的孔，执行湿蚀刻以去除第一中间层的至少一部分，从而暴露多个主极侧中的至少一个，以及沉积侧屏蔽材料 在侧盾沟。

公开(公告)号：US08257597B1

公开(公告)日：2012-09-04

申请号：US12717090

申请日：2010-03-03

申请人： Lijie Guan ,  Changqing Shi ,  Ming Jiang ,  Yun-Fei Li

发明人： Lijie Guan ,  Changqing Shi ,  Ming Jiang ,  Yun-Fei Li

IPC分类号： B44C1/22

CPC分类号： G11B5/3163 ,  G11B5/3116 ,  Y10T29/49021 ,  Y10T29/49048

摘要： Methods of forming a write pole are disclosed. A first photomask having a first opening over one of a yoke region and a pole tip region of the write pole is formed over an insulation layer having an insulator material. A first etch process is performed on the insulation layer via the first opening, the first etch process removing the insulator material from a corresponding one of the yoke region and the pole tip region. A second photomask having a second opening over the other one of the yoke region and the pole tip region is formed over the insulation layer. A second etch process is performed on the insulation layer via the second opening, the second etch process removing the insulator material from a corresponding one of the yoke region and the pole tip region.

摘要翻译： 公开了形成写极的方法。 在具有绝缘体材料的绝缘层上形成第一光掩模，其具有位于写磁极的磁轭区域和极尖区域之一上的第一开口。 通过第一开口在绝缘层上执行第一蚀刻工艺，第一蚀刻工艺从磁轭区域和极尖区域中的对应的一个去除绝缘体材料。 在绝缘层上形成第二光掩模，该第二光掩模具有位于轭区域和极尖区域另一个之上的第二开口。 经由第二开口在绝缘层上执行第二蚀刻工艺，第二蚀刻工艺从磁轭区域和极尖区域中的对应的一个去除绝缘体材料。

公开(公告)号：US08444866B1

公开(公告)日：2013-05-21

申请号：US12886999

申请日：2010-09-21

申请人： Lijie Guan ,  Changqing Shi ,  Ming Jiang ,  Yun-Fei Li ,  Ying Hong

发明人： Lijie Guan ,  Changqing Shi ,  Ming Jiang ,  Yun-Fei Li ,  Ying Hong

IPC分类号： B44C1/22

CPC分类号： G11B5/1278 ,  G11B5/3116 ,  G11B5/315 ,  G11B5/3163 ,  Y10T29/49021 ,  Y10T29/49032

摘要： A method for fabricating a magnetic transducer having a nonmagnetic intermediate layer is described. A trench is provided in the intermediate layer. The trench has a profile and location corresponding to a pole. A first nonmagnetic gap layer is provided. At least part of the first nonmagnetic gap layer resides in the trench. A pole including magnetic material(s) is provided. At least part of the pole resides in the trench and on the part of the nonmagnetic layer in the trench. At least part of the intermediate layer adjacent to the pole is removed and a second nonmagnetic gap layer provided. The second nonmagnetic gap layer is thicker than the first nonmagnetic gap layer. Part of the second nonmagnetic layer and part of the first nonmagnetic layer adjacent to the pole form a side gap. A side shield, a gap, and a top shield are also provided.

摘要翻译： 描述了一种用于制造具有非磁性中间层的磁换能器的方法。 在中间层设置沟槽。 沟槽具有对应于杆的轮廓和位置。 提供第一非磁性间隙层。 第一非磁性间隙层的至少一部分位于沟槽中。 提供包括磁性材料的极柱。 极的至少一部分驻留在沟槽中以及在沟槽中的非磁性层的一部分上。 去除与极相邻的中间层的至少一部分，并提供第二非磁性间隙层。 第二非磁性间隙层比第一非磁性间隙层厚。 第二非磁性层的一部分和与极相邻的第一非磁性层的一部分形成侧面间隙。 还提供了侧护罩，间隙和顶盖。

公开(公告)号：US08790527B1

公开(公告)日：2014-07-29

申请号：US13069023

申请日：2011-03-22

申请人： Guanghong Luo ,  Ming Jiang ,  Danning Yang ,  Yunfei Li

发明人： Guanghong Luo ,  Ming Jiang ,  Danning Yang ,  Yunfei Li

IPC分类号： H01L21/302 ,  H01L21/461 ,  B29D11/00 ,  C03C15/00 ,  C03C25/68

CPC分类号： B29D11/00663

摘要： A method for providing waveguide structures for an energy assisted magnetic recording (EAMR) transducer is described. The waveguide structures have a plurality of widths. At least one waveguide layer is provided. Mask structure(s) corresponding to the waveguide structures and having a pattern are provided on the waveguide layer(s). The mask structure(s) include a planarization stop layer, a planarization assist layer on the planarization stop layer, and a hard mask layer on the planarization assist layer. The planarization assist layer has a low density. The pattern of the mask structure(s) is transferred to the waveguide layer(s). Optical material(s) that cover the waveguide layer(s) and a remaining portion of the mask structure(s) are provided. The optical material(s) have a density that is at least twice the low density of the planarization assist layer. The method also includes performing a planarization configured to remove at least a portion of the optical material(s).

摘要翻译： 描述了一种用于提供能量辅助磁记录（EAMR）换能器的波导结构的方法。 波导结构具有多个宽度。 提供至少一个波导层。 对应于波导结构并具有图案的掩模结构设置在波导层上。 掩模结构包括平坦化停止层，平坦化停止层上的平坦化辅助层和平坦化辅助层上的硬掩模层。 平坦化助剂层具有低密度。 掩模结构的图案被传送到波导层。 提供了覆盖波导层和掩模结构的剩余部分的光学材料。 光学材料的密度至少是平坦化辅助层的低密度的两倍。 该方法还包括执行被配置为去除至少一部分光学材料的平坦化。