1
Ming Sun, Jose A Medina, Keith Y Sasaki, Ming Jiang: Method and system for providing high magnetic flux saturation CoFe films. Western Digital, March 11, 2014: US08670211 (146 worldwide citation)

A method and system plates CoFeX, where X is an insertion metal. The method and system include providing a plating solution including hydroxymethyl-p-tolylsulfone (HPT). The plating solution being configured to provide a CoFeX film having a high saturation magnetic flux density of greater than 2.3 T ...


2
Jose A Medina, Thomas E Dinan, Tiffany Yun Wen Jiang, Mohamad T Krounbi: Magnetic recording head with high saturation magnetic flux density CoNiFe thin film composition. Western Digital, Strategic Patent Group, February 19, 2008: US07333295 (144 worldwide citation)

A method and system for plating CoNiFe is disclosed. The method and system include providing a plating solution including hydroxymethyl-p-tolylsulfone and plating the CoNiFe film on a substrate in the plating solution. The plating solution is configured to provide a CoNiFe film having a high saturat ...


3
Ming Sun, Dehua Han, Jose A Medina, Ming Jiang, Ying Hong, Feng Liu, Jian X Shen: Method and system for providing an antiferromagnetically coupled writer. Western Digital, May 14, 2013: US08441756 (142 worldwide citation)

A method and system for fabricating a magnetic transducer are described. The magnetic transducer includes a pole and a nonmagnetic intermediate layer adjacent to the pole. The pole has a paddle and a pole tip including a plurality of sidewalls. The pole includes a first magnetic pole layer, at least ...


4
Jose A Medina, Tiffany Yun Wen Jiang, Ming Jiang: Method for providing a pole in a magnetic recording transducer using a cathodic etch. Western Digital, October 15, 2013: US08555486 (141 worldwide citation)

A method for fabricating a magnetic recording transducer is described. The transducer has an ABS location and a nonmagnetic intermediate layer having a pole trench. The method includes depositing at least one magnetic pole layer having a top surface and a pole tip portion proximate to the ABS locati ...


5
Jose A Medina, Tiffany Yun Wen Jiang, Ming Jiang: Low-rate electrochemical etch of thin film metals and alloys. Western Digital, September 3, 2013: US08524068 (139 worldwide citation)

Embodiments of the present invention include systems and methods for low-rate electrochemical (wet) etch that use a net cathodic current or potential. In particular, some embodiments achieve controlled etch rates of less than 0.1 nm/s by applying a small net cathodic current to a substrate as the su ...


6
Li Zeng, Dehua Han, Ming Sun, Jose A Medina, Jia Li, Liang Hong, Zhigang Bai, Yugang Wang: Method for fabricating a magnetic write pole using vacuum deposition. Western Digital, September 15, 2015: US09135930 (2 worldwide citation)

A method and system provide a magnetic transducer having an air-bearing surface (ABS) and an intermediate layer. A trench having a shape and location corresponding to a main pole is formed in the intermediate layer. The main pole is provided. At least a portion of the main pole is in the trench. Pro ...


7
Ming Sun, Dehua Han, Jose A Medina, Ming Jiang, Ying Hong, Feng Liu, Jian X Shen: Method and system for providing an antiferromagnetically coupled writer. Western Digital, June 14, 2016: US09368134

A method and system for fabricating a magnetic transducer are described. The magnetic transducer includes a pole and a nonmagnetic intermediate layer adjacent to the pole. The pole has a paddle and a pole tip including a plurality of sidewalls. The pole includes a first magnetic pole layer, at least ...


8
Ming Sun, Jose A Medina, Ming Jiang, Ming Zhao: Methods for controlling stray fields of magnetic features using magneto-elastic anisotropy. Western Digital, Loza & Loza, Gabriel Fitch, April 3, 2018: US09934811

Systems and methods for controlling stray fields of a magnetic feature are provided. One such method can involve selecting a plurality of materials for a magnetic feature, selecting a plurality of additives, combining the plurality of materials for the magnetic feature and the plurality of additives ...