Patents by Inventor Ming Jiang

Ming Jiang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for fabricating a magnetic writer having half shields
    Patent number: 9343087
    Abstract: A method manufacturing a magnetic writer provides an intermediate layer including multiple sublayers is provided. The sublayers include first and second nonmagnetic layers and an etch stop layer being between the first and second nonmagnetic layers. A trench is formed in the intermediate layer using at least one etch, such as a reactive ion etch. The trench has a location and profile corresponding to the main pole. A main pole having a bottom and a top is provided in the trench. At least a portion of the second nonmagnetic layer is removed using at least a second etch, such as a wet etch process. The etch stop layer is resistant to the at least the second etch. A half side shield is provided on at least part of the first nonmagnetic layer. The half side shield bottom is between the top and the bottom of the main pole.
    Type: Grant
    Filed: December 21, 2014
    Date of Patent: May 17, 2016
    Assignee: Western Digital (Fremont), LLC
    Inventors: Ronghui Zhou, Xiaoyu Yang, Ming Jiang, Jinqiu Zhang
  • PMR WRITER WITH CONSTANT SIDE WALL ANGLE
    Publication number: 20160125899
    Abstract: A writer main pole for a perpendicular magnetic recording system is provided. The writer pole may have a constant sidewall angle from the ABS to yoke and may be formed out of an insulating material and a magnetic material. The sidewall angle of the yoke region may be adjusted during manufacture. The ABS region may correspond to the magnetic material and the yoke region may correspond to the insulating material. The insulating material may comprise Alumina. The magnetic material may comprise a NiFe alloy.
    Type: Application
    Filed: January 13, 2016
    Publication date: May 5, 2016
    Inventors: Jinqiu ZHANG, Hongmei HAN, Feng LIU, Ming JIANG, Xiaotian ZHOU, Zeyu MA
  • Method to fabricate tunneling magnetic recording heads with extended pinned layer
    Patent number: 9318130
    Abstract: A method of fabricating a magnetic device includes forming a sensor having a pinned layer and a free layer. A first reactive ion etch of a sensor stack patterns a hard mask layer with a photoresist image to form a first hard mask. Then a second reactive ion etch is performed to form an extended pinned layer. The method also includes depositing an insulating layer after the second reactive ion etch to protect exposed edges of the sensor stack, and then providing a chemical mechanical planarization (CMP) stop layer on the insulating layer. Subsequently, a CMP of the sensor stack is performed to remove a portion of the insulating layer. The resulting structure is substantially free of residue on the back edges of the sensor.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: April 19, 2016
    Assignee: Western Digital (Fremont), LLC
    Inventors: Wei Gao, Guanghong Luo, Lily Yao, Ming Mao, Ming Jiang
  • METHOD AND APPARATUS FOR LASER QUENCHING
    Publication number: 20160076115
    Abstract: Provided are a method and an apparatus for laser quenching. The method takes the advantage of a high jumping speed of a scanning galvanometer, and adopts the method of heating on multiple or even high frequency repeated scans instead of on a single scan in prior art for laser quenching, wherein the laser energy is fed into the surface of a workpiece by way of short time and multiple superimposed heating, cumulatively, the laser energy absorbed by the metal base is increased and the depth of thermal conduction is improved also. The apparatus includes a laser, a control system, a light guiding system, a mechanical motion device and a scanning galvanometer.
    Type: Application
    Filed: November 7, 2013
    Publication date: March 17, 2016
    Inventors: Xiaoyan ZENG, Qianwu HU, Yinlan ZHENG, Ming JIANG, Chongyang LI, Zhao REN, Kun LI
  • SERVICE ROUTING SYSTEM, DEVICE, AND METHOD
    Publication number: 20160080253
    Abstract: The present invention provides a service routing system, device, and method. In embodiments of the present invention, a first service flow classifier generates a notification message that includes service flow category information, a service path controller generates, according to the notification message, a first forwarding entry corresponding to each of i programmable switches that are connected to k service enablers, and the i programmable switches each forward a data packet of a service flow according to the corresponding first forwarding entries, so that the k service enablers process the data packet of the service flow according to a sequence. In this way, network reliability can be improved.
    Type: Application
    Filed: November 20, 2015
    Publication date: March 17, 2016
    Inventors: Yan Wang, Weihua Hu, Ming Jiang, Tao Qian
  • Process for making PMR writer with non-conformal side gaps
    Patent number: 9275657
    Abstract: A process for manufacturing a PMR writer main pole with non-conformal side gaps is provided. The process may include depositing a stitch layer comprising a magnetic material and a second stitch layer material over a substrate, forming an air-bearing surface (ABS) region in a first damascene material, and forming a yoke region in a second damascene material. The first damascene material may include Aluminum Oxide (Al2O3). The second damascene material may include Silicon Dioxide (SiO2). Side gap regions may include SiO2.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: March 1, 2016
    Assignee: Western Digital (Fremont), LLC
    Inventors: Jinqiu Zhang, Feng Liu, Xiaoyu Yang, Ming Jiang, Xiaotian Zhou, Zeyu Ma, Hai Sun
  • METHOD FOR PROVIDING A MAGNETIC RECORDING TRANSDUCER USING A CHEMICAL BUFFER
    Publication number: 20160055865
    Abstract: A method for fabricating a magnetic recording transducer is described. The magnetic recording transducer has an underlayer and at least one layer on the underlayer. The layer(s) are capable of including an aperture that exposes a portion of the underlayer. The method includes providing a neutralized aqueous solution having a chemical buffer therein. The chemical buffer forms a nonionic full film corrosion inhibitor. The method also includes exposing a portion of the magnetic recording transducer including the layer(s) to the neutralized aqueous solution including the chemical buffer. In one aspect this exposure occurs through a chemical mechanical planarization.
    Type: Application
    Filed: November 2, 2015
    Publication date: February 25, 2016
    Inventors: MASAHIRO OSUGI, LILY YAO, MING JIANG, GUANGHONG LUO, WAI-MING J. KAN
  • Process for making PMR writer with constant side wall angle
    Patent number: 9263067
    Abstract: A process for manufacturing a writer main pole for a perpendicular magnetic recording system is provided. The writer pole may have a constant sidewall angle from the ABS to yoke and may be formed out of an insulating material and a magnetic material. The sidewall angle of the yoke region may be adjusted during manufacture. The ABS region may correspond to the magnetic material and the yoke region may correspond to the insulating material. The insulating material may comprise Alumina. The magnetic material may comprise a NiFe alloy.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: February 16, 2016
    Assignee: Western Digital (Fremont), LLC
    Inventors: Jinqiu Zhang, Hongmei Han, Feng Liu, Ming Jiang, Xiaotian Zhou, Zeyu Ma
  • METHOD FOR FABRICATING A MAGNETIC WRITER HAVING AN ASYMMETRIC GAP AND SHIELDS
    Publication number: 20150380018
    Abstract: A method and system provide a magnetic transducer. An intermediate including multiple sublayers is provided. A trench is formed in the intermediate layer. A main pole having a bottom, a top wider than the bottom, a first side and a second side opposite to the first side is provided in the trench. An asymmetric gap is provided along the first and second sides of the main pole. The asymmetric gap terminates closer to the top of the main pole along the first side than on the second side. The asymmetric gap has a first thickness along the first side and a second thickness different from the first thickness along the second side. An asymmetric shield is provided on the asymmetric gap. The asymmetric shield includes a half side shield having a bottom between the top and the bottom of the main pole and terminating on the asymmetric gap.
    Type: Application
    Filed: September 8, 2015
    Publication date: December 31, 2015
    Inventors: YI ZHENG, MING JIANG
  • Methods for providing run to run process control using a dynamic tuner
    Patent number: 9213322
    Abstract: Methods for providing run to run process control using a dynamic tuner are provided. Once such method includes receiving a data point for a process output parameter, determining whether the data point is within a desired range for the process output parameter, setting, when the data point is within the desired range, a dynamic lambda value equal to a preselected base lambda value, setting, when the data point is not within the desired range, the dynamic lambda value equal to a value based on the preselected base lambda value, a degree of difference between the data point and a target for the process output parameter, and a scale factor, calculating an exponentially weighted moving average using the dynamic lambda value, and adjusting the process control parameter in accordance with the exponentially weighted moving average.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: December 15, 2015
    Assignee: Western Digital (Fremont), LLC
    Inventors: Jian-Huei Feng, Ming Jiang, Clayton R. Newman, Yeak-Chong Wong
  • Method for providing a magnetic recording transducer using a chemical buffer
    Patent number: 9196283
    Abstract: A method for fabricating a magnetic recording transducer is described. The magnetic recording transducer has an underlayer and at least one layer on the underlayer. The layer(s) are capable of including an aperture that exposes a portion of the underlayer. The method includes providing a neutralized aqueous solution having a chemical buffer therein. The chemical buffer forms a nonionic full film corrosion inhibitor. The method also includes exposing a portion of the magnetic recording transducer including the layer(s) to the neutralized aqueous solution including the chemical buffer. In one aspect this exposure occurs through a chemical mechanical planarization.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: November 24, 2015
    Assignee: Western Digital (Fremont), LLC
    Inventors: Masahiro Osugi, Lily Yao, Ming Jiang, Guanghong Luo, Wai-Ming J. Kan
  • DEVICE, SYSTEM, AND METHOD FOR CUSTOMIZING USER-DEFINED MOBILE NETWORK
    Publication number: 20150334634
    Abstract: The present invention relates to a system, a device, and a method for customizing a user-defined network. The system includes a gateway and a mobile network element. The gateway is configured to receive a user-defined network request, request, according to the user-defined network request, an invocation of a communications service corresponding to the mobile network element to establish or modify the user-defined network, and return an invocation result. The user-defined network request includes definition information of an MBB communications service resource required by the MBB application service. The mobile network element is configured to implement invocation of the corresponding communications service.
    Type: Application
    Filed: July 29, 2015
    Publication date: November 19, 2015
    Inventors: Ming Jiang, Ping Zhang
  • Method for fabricating a magnetic writer having an asymmetric gap and shields
    Patent number: 9153255
    Abstract: A method and system provide a magnetic transducer. An intermediate including multiple sublayers is provided. A trench is formed in the intermediate layer. A main pole having a bottom, a top wider than the bottom, a first side and a second side opposite to the first side is provided in the trench. An asymmetric gap is provided along the first and second sides of the main pole. The asymmetric gap terminates closer to the top of the main pole along the first side than on the second side. The asymmetric gap has a first thickness along the first side and a second thickness different from the first thickness along the second side. An asymmetric shield is provided on the asymmetric gap. The asymmetric shield includes a half side shield having a bottom between the top and the bottom of the main pole and terminating on the asymmetric gap.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: October 6, 2015
    Assignee: Western Digital (Fremont), LLC
    Inventors: Yi Zheng, Ming Jiang
  • Method and system for providing a read transducer having a dual free layer
    Patent number: 9147404
    Abstract: A method provides a magnetic transducer having an air-bearing surface (ABS). The method includes providing a read sensor stack for a read sensor of the read device and defining a read sensor from the read sensor stack in a stripe height direction. The stripe height direction is perpendicular to the ABS. At least one magnetic bias structure is also provided. An insulating layer is deposited on the read sensor. The insulating layer has a full film removal rate of not more than fifty Angstroms per minute. The insulating layer also has a top surface. The insulating layer is planarized. At least a portion of the top surface of the insulating layer being exposed at the start of the planarizing step. At least the read sensor is defined in a track width direction.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: September 29, 2015
    Assignee: Western Digital (Fremont), LLC
    Inventors: Guanghong Luo, Chen-Jung Chien, Ming Mao, Daniele Mauri, Ming Jiang
  • Quantitative sensor and manufacturing method thereof
    Patent number: 9140671
    Abstract: A quantitative sensor and manufacture method thereof are disclosed. This quantitative sensor has a dual-mode film bulk acoustic resonator structure to achieve desirable performances in sensitivity, accuracy and efficiency. Furthermore, this quantitative sensor serves as a fluid sensor when a fluid detection metal layer is formed in a sample-receiving chamber; and this quantitative sensor may also serve as a bio sensor when biocompatible metal layer and a bio-sensing layer are formed in the sample-receiving chamber instead of the fluid detection metal layer.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: September 22, 2015
    Inventors: Ying-Chung Chen, Chien-Chuan Cheng, Wei-Tsai Chang, Kuo-Sheng Kao, Re-Ching Lin, Jia-Ming Jiang, Chun-Hung Yang
  • Decomposing XML schema documents into subsets
    Patent number: 9128963
    Abstract: According to one embodiment of the present invention, a system decomposes a set of schema files. The system receives a set of schema files and automatically identifies a plurality of root schema files in the set, where a root schema file is determined based on remaining schema files in the set lacking a reference to that schema file. For each root schema file, the system creates a subset of the original set of schema files. The subset contains the root schema file, and at least one subset further includes one or more schema files that provide information for that root schema file. Embodiments of the present invention further include a method and computer program product for decomposing a set of schema files in substantially the same manners described above.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: September 8, 2015
    Assignee: International Business Machines Corporation
    Inventors: John Carroll Holmes, Ming Jiang, Jeff Jianfei Li, Yong Li, David Steven Sotkowitz
  • Connecting rod of internal combustion engine
    Patent number: 9121343
    Abstract: A connecting rod of an internal combustion engine, including a small end and a shank. The small end employs a flexible structure made of hard material. The hard material is a steel or alloy material having a tensile strength greater than or equal to 700 megapascal. The small end of the flexible structure includes a circular body, a center hole, and a flexible support. The circular body encircles the center hole, and the center hole is a complete circular hole having a constant diameter. The small end matches with a piston pin. The flexible structure of the small end operates to allow an elastic deformation of the center hole along an axial direction thereof produced by cylinder pressure exerted on the piston pin to adapt to a bending deformation of the piston pin along the axial direction.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: September 1, 2015
    Assignee: Dongfeng Commercial Vehicle Co., Ltd.
    Inventors: Ming Jiang, Hongji Su, Xiaoxun Chen, Weiguo Li, Hongliang Wu
  • Methods for providing asymmetric run to run control of process parameters
    Patent number: 9110465
    Abstract: Methods for providing asymmetric control of process parameters are described. One such method includes receiving a data point for the process parameter relative to the wafer, selecting a first value for a process weighting factor when the data point is consistent with a first criteria, selecting a second value for the process weighting factor when the data point is consistent with a second criteria, where the second value is not equal to the first value, calculating an exponential weighted moving average of the process parameter based on the data point and the process weighting factor, updating the process parameter with the exponential weighted moving average, and using the updated process parameter to control the process and thereby treat the wafer. The methods can use one or more weighting factor switch limits to define different areas of risk associated with a target for the process parameter.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: August 18, 2015
    Assignee: Western Digital (Fremont), LLC
    Inventors: Jian-Huei Feng, Ming Jiang, Clayton R. Newman, Yeak-Chong Wong
  • Apparatus and method for automatic white balance with supplementary sensors
    Patent number: 9106879
    Abstract: An apparatus and method for An image capture device for Automatic White Balance (AWB) are provided. The device includes a camera for capturing an image, a primary sensor for sensing environmental conditions of the image capture device and for generating data regarding the environmental conditions, a plurality of supplementary sensors for sensing the environmental conditions of the image capture device and for generating supplementary data regarding the environmental conditions, an AWB unit for performing an AWB operation on the captured image according to the generated data and the generated supplementary data, and a controller for controlling the camera, the primary sensor, the plurality of supplementary sensors and the AWB unit.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: August 11, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ming Jiang, Bo Zhang, Brett Nottingham
  • Dual damascene process for producing a PMR write pole
    Patent number: 9099118
    Abstract: 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.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: August 4, 2015
    Assignee: Western Digital (Fremont), LLC
    Inventors: Ronghui Zhou, Ming Jiang, Guanghong Luo, Yun-Fei Li