Patents by Inventor Shan Tang
Shan Tang 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).
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INCREASED ETCH RESISTANCE OF NITRIDE LAYERS USING CHEMICAL VAPOR DEPOSITION AND HOT ION IMPLANTATION
Publication number: 20250226211Abstract: A process to generate an etch-resistant nitride layer is provided. The process may include providing a substrate, the substrate including a silicon nitride layer formed by PECVD at an elevated deposition temperature, heating the substrate to an elevated implant temperature, and performing a hot implant by implanting the substrate at the elevated implant temperature, wherein an implanted silicon nitride layer is formed. The process may also include annealing the substrate after the hot implant at an elevated anneal temperature, wherein a relative etch rate of the implanted silicon nitride layer is reduced with respect to an unimplanted silicon nitride layer.Type: ApplicationFiled: January 2, 2025Publication date: July 10, 2025Applicant: Applied Materials, Inc.Inventors: Rajesh PRASAD, Fernando Antonio REBOLLEDO USCANGA, Shan TANG, Wayne CHEN, Godwin John NTUK, Jialiang WANG, Guangyan ZHONG, Aditya SUNDARAM, Shweta HARDIKAR, Edwin A. AREVALO, Kyu-Ha SHIM -
Publication number: 20250226226Abstract: Techniques for generating and maintaining a low stress nitride layer after a low temperature anneal, including the operations of providing a substrate, the substrate including a nitride layer formed by PECVD; heating the substrate to an elevated temperature; and performing a hot implant by implanting the substrate at the elevated temperature between 150° C. and 700° C.Type: ApplicationFiled: January 2, 2025Publication date: July 10, 2025Applicant: Applied Materials, Inc.Inventors: Rajesh PRASAD, Fernando Antonio REBOLLEDO USCANGA, Shan TANG, Wayne CHEN, Godwin John NTUK, Jialiang WANG, Guangyan ZHONG, Aditya SUNDARAM, Shweta HARDIKAR, Edwin A. AREVALO, Kyu-Ha SHIM
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Patent number: 12286657Abstract: The invention relates to genetic incorporation of 2,3-diamino propionic acid (DAP) into polypeptides, to unnatural amino acids comprising DAP, to a tRNA synthetase for charging tRNA with unnatural amino acids comprising DAP, and to methods of using the resulting polypeptides, for example in capturing substrates and/or intermediates in enzymatic reactions. The invention also relates to compounds of formula (I) or (II): or salts, solvates, tautomers, isomers or mixtures thereof.Type: GrantFiled: October 24, 2019Date of Patent: April 29, 2025Assignee: United Kingdom Research and InnovationInventors: Jason Chin, Nicolas Huguenin-Dezot, Mohan Mahesh, Shan Tang, Duy P. Nguyen
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Publication number: 20240343846Abstract: A polar group-containing olefin copolymer comprising a structural unit (A) derived from at least one kind of monomer selected from the group consisting of ethylene and an olefin containing 3 to 20 carbon atoms, and at least one kind of structural unit (B) selected from the group consisting of a structural unit represented by the following general formula (I) and a structural unit selected from the following general formula (II): (reference numerals shown in the general formulae (I) and (II) are as described in the DESCRIPTION.Type: ApplicationFiled: August 31, 2022Publication date: October 17, 2024Applicants: The University of Tokyo, JAPAN POLYCHEM CORPORATIONInventors: Kyoko NOZAKI, Shan TANG, Go YONEZAKI, Takao TAYANO, Akio TANNA
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Publication number: 20240332009Abstract: Exemplary methods of semiconductor processing may include forming a layer of silicon nitride on a semiconductor substrate. The layer of silicon nitride may be characterized by a first roughness. The methods may include performing a post-deposition treatment on the layer of silicon nitride. The methods may include reducing a roughness of the layer of silicon nitride such that the layer of silicon nitride may be characterized by a second roughness less than the first roughness.Type: ApplicationFiled: March 26, 2024Publication date: October 3, 2024Applicant: Applied Materials, Inc.Inventors: Qixin Shen, Chuanxi Yang, Hang Yu, Deenesh Padhi, Prashanthi Para, Miguel S. Fung, Rajesh Prasad, Fenglin Wang, Shan Tang, Kyu-Ha Shim
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Publication number: 20240150423Abstract: Applications of different configurations of novel glucagon peptide 1 with fatty acid modification or nonmodification in the treatment of T2D or the pancreas protection are provided. The dimer of the present disclosure is formed by two identical cysteine-containing GLP-1 monomers through a disulfide bond. The H-like GLP-1 homodimer (disulfide bond is inside chains) showed remarkable increase in hypoglycemic duration without reducing specific activity. The GLP-1 dimer provided has an in-vivo effective duration of up to 19 days, which significantly prolonged compared with that of the positive control drug Liraglutide with 3 days of effective duration, or thereby greatly promoting the technical advancement in long-acting GLP-1 drugs and facilitating their clinical applications and business. Meanwhile the U-like homodimer (disulfide bond is at the C-terminus) does not affect blood glucose, but can obviously protect pancreatic exocrine cells such as acini and ducts, and improve pancreas function.Type: ApplicationFiled: November 9, 2020Publication date: May 9, 2024Applicant: Nanjing Finepeptide Biopharmaceutical Co.,LtdInventors: Song-Shan Tang, Qun Luo, Xu-Dong Zhang, Jing-Xuan TANG, Li Yang, Hong-Mei Tan
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Publication number: 20230298892Abstract: Exemplary methods of semiconductor processing may include forming a layer of amorphous silicon on a semiconductor substrate. The layer of amorphous silicon may be characterized by a first amount of hydrogen incorporation. The methods may include performing a beamline ion implantation process or plasma doping process on the layer of amorphous silicon. The methods may include removing hydrogen from the layer of amorphous silicon to a second amount of hydrogen incorporation less than the first amount of hydrogen incorporation.Type: ApplicationFiled: July 21, 2021Publication date: September 21, 2023Applicant: Applied Materials, Inc.Inventors: Rui Cheng, Rajesh Prasad, Karthik Janakiraman, Gautam K. Hemani, Krishna Nittala, Shan Tang, Qi Gao
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Patent number: 11756796Abstract: A method may include providing a substrate having, on a first surface of the substrate, a low dielectric constant layer characterized by a layer thickness. The method may include heating the substrate to a substrate temperature in a range of 200° C. to 550° C.; and directing an ion implant treatment to the low dielectric constant layer, while the substrate temperature is in the range of 200° C. to 550° C. As such, the ion implant treatment may include implanting a low weight ion species, at an ion energy generating an implant depth equal to 40% to 175% of the layer thickness.Type: GrantFiled: May 12, 2021Date of Patent: September 12, 2023Assignee: Applied Materials, Inc.Inventors: Rajesh Prasad, Martin Seamons, Shan Tang, Qi Gao, Deven Raj Mittal, Kyuha Shim
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Publication number: 20230158908Abstract: A refrigerant amount monitoring and charging control system for an electric vehicle and a method thereof include: a controller; a battery management module electrically connected to the controller; a high-speed charging gun connected to the vehicle when the vehicle is charged and configured to generate a high-speed charging signal during performing high-speed charging and to send the high-speed charging signal to the controller; an ambient temperature sensor electrically connected to the controller and configured to obtain an ambient temperature and to send the obtained ambient temperature to the controller; and a chiller including an electronic expansion valve and an evaporator. A situation where a vehicle battery is unable to be cooled by a refrigerant due to an insufficient refrigerant amount may be prevented by controlling charging power based on a monitoring result of a current refrigerant amount.Type: ApplicationFiled: August 29, 2022Publication date: May 25, 2023Applicants: Hyundai Motor Company, Kia CorporationInventors: Qing Dong HOU, Xue Shan TANG, Chang Gi RYU, Xiao Rui ZHAI
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Publication number: 20220367205Abstract: A method may include providing a substrate having, on a first surface of the substrate, a low dielectric constant layer characterized by a layer thickness. The method may include heating the substrate to a substrate temperature in a range of 200° C. to 550° C.; and directing an ion implant treatment to the low dielectric constant layer, while the substrate temperature is in the range of 200° C. to 550° C. As such, the ion implant treatment may include implanting a low weight ion species, at an ion energy generating an implant depth equal to 40% to 175% of the layer thickness.Type: ApplicationFiled: May 12, 2021Publication date: November 17, 2022Applicant: Applied Materials, Inc.Inventors: Rajesh Prasad, Martin Seamons, Shan Tang, Qi Gao, Deven Raj Mittal, Kyuha Shim
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Publication number: 20220010296Abstract: The invention relates to genetic incorporation of 2,3-diamino propionic acid (DAP) into polypeptides, to unnatural amino acids comprising DAP, to a tRNA synthetase for charging tRNA with unnatural amino acids comprising DAP, and to methods of using the resulting polypeptides, for example in capturing substrates and/or intermediates in enzymatic reactions. The invention also relates to compounds of formula (I) or (II): or salts, solvates, tautomers, isomers or mixtures thereof.Type: ApplicationFiled: October 24, 2019Publication date: January 13, 2022Inventors: Jason CHIN, Nicolas HUGUENIN-DEZOT, Mohan MAHESH, Shan TANG, Duy P. NGUYEN
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Patent number: 9286927Abstract: A data storage device is disclosed comprising a head actuated over a disk surface comprising tracks defined by servo sectors, wherein each servo sector comprises at least one servo burst comprising a periodic pattern. The servo burst of one of the servo sectors is read to generate a read signal, and M intermediate integration points yNi are computed according to: y N i = ? k = 0 N i ? r ? ( k ? ? T s ) · sin ? ( ? ? ? k ? ? T s ) ; i = 0 , 1 , … ? , M - 1 where r(kTs) represents a sample point of the read signal, Ts represents a sample interval between the sample points, and ? represents a frequency of the periodic pattern in the servo burst.Type: GrantFiled: December 16, 2014Date of Patent: March 15, 2016Assignee: Western Digital Technologies, Inc.Inventors: Shan Tang, Zhenyu Zhang, Chuanwen Ji, Duc T. Phan
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Patent number: 9099133Abstract: A disk drive is disclosed comprising a disk comprising a plurality of servo tracks, wherein each servo track comprises a plurality of servo sectors, and an actuator for actuating a head over the disk in response to an actuator control signal. The servo sectors are read to generate a first sequence of control samples x[k] at a sample frequency corresponding to a frequency of the servo sectors. A hybrid upsample filter is used to upsample by a factor of N the first sequence of control samples x[k] to generate a second sequence of control samples y[ki], wherein the hybrid upsample filter provides a higher phase gain than a zero-order type upsample filter at frequencies less than one kilohertz, and approximately the same attenuation as a first-order type upsample filter around the sample frequency. The actuator control signal is generated in response to the second sequence of control samples y[ki].Type: GrantFiled: January 29, 2013Date of Patent: August 4, 2015Assignee: Western Digital Technologies, Inc.Inventors: Shan Tang, Lu Feng, Yanan Huang, Alexander Babinski, Min Chen, Orhan Beker
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Patent number: 9051518Abstract: A process for enhancing the froth quality, improving vessel operability and increasing the froth temperature from an oil sand slurry in a primary separation vessel is provided, comprising introducing the oil sand slurry into a separation vessel; retaining the oil sand slurry within the separation vessel so that separate layers of bitumen froth, middlings and sand tailings are formed; introducing sufficient heated water having a temperature greater than about 80° C. as an evenly distributed underwash layer beneath the bitumen froth layer; and separately removing the bitumen froth, middlings and sand tailings from the separation vessel.Type: GrantFiled: August 17, 2012Date of Patent: June 9, 2015Assignee: SYNCRUDE CANADA LTD.Inventors: Yin Ming Samson Ng, Wayne Benidect Jansen, Kevin Liu, Shao-Shan Tang
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Patent number: 9041986Abstract: A sheetfed film scanning correction method includes: using a film holding member as a film feeding carrier, wherein the film holding member is fixed and does not move during film feeding, and wherein after the film holding member is inserted into a work position in a scanner, a scanning module of the scanner collects a first correction information under a filmless scanning state and corrects a subsequent scan result according to the first correction information; and setting sheet-feeding rollers of the scanner in idle running as if under a real film scanning state during or prior to collection of the first correction information.Type: GrantFiled: September 1, 2010Date of Patent: May 26, 2015Assignee: QISDA (SUZHOU) Co., LTDInventors: Yong-Xiang Yi, Shan-Shan Tang
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Patent number: 8929022Abstract: A disk drive is disclosed comprising, a head, a disk surface, and a dual stage actuator (DSA) servo loop comprising a voice coil motor (VCM) servo loop comprising a VCM and a microactuator servo loop comprising a microactuator operable to actuate the head over the disk surface. A frequency component of a servo signal in the DSA servo loop is evaluated, wherein the frequency component is based on a peak frequency of an error rejection curve of the DSA servo loop. A degradation of the microactuator is detected based on the frequency component of the servo signal.Type: GrantFiled: December 19, 2012Date of Patent: January 6, 2015Assignee: Western Digital Technologies, Inc.Inventors: Yanan Huang, Shan Tang, Duc T. Phan, Chuanwen Ji, Alain Chahwan
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Patent number: 8743503Abstract: A disk drive is disclosed comprising a head actuated over a disk comprising a plurality of servo tracks defined by servo sectors. The head is positioned over a first servo track, and a first position error signal (PES) by reading a first servo sector during a first revolution of the disk and in response to a first compensation value. A second compensation value is updated for a second servo sector based on the first PES during the first revolution of the disk. A second PES is generated by reading the second servo sector during the first revolution of the disk and in response to the updated second compensation value. The first compensation value is updated for the first servo sector based on the second PES during the first revolution of the disk. The head is actuated over the disk in response to the first PES and the second PES.Type: GrantFiled: March 11, 2013Date of Patent: June 3, 2014Assignee: Western Digital Technologies, Inc.Inventors: Shan Tang, Hengchang Guo
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Patent number: 8724254Abstract: A method of evaluating a dual stage actuator (DSA) servo loop in a disk drive is disclosed. The disk drive comprises a dual stage actuator (DSA) servo loop operable to actuate a head over a disk surface. A first sinusoidal signal A1 is added to a VCM control signal B1 generated by a VCM servo loop. A response of the VCM control signal B1 to the first sinusoidal signal A1 is measured, and a closed loop response of the VCM servo loop is computed in response to A1 and B1. A second sinusoidal signal A2 is added to a microactuator control signal B2 generated by a microactuator servo loop. A response of the microactuator control signal B2 to the second sinusoidal signal A2 is measured, and a closed loop response of the microactuator servo loop is computed in response to A2 and B2.Type: GrantFiled: May 10, 2011Date of Patent: May 13, 2014Assignee: Western Digital Technologies, Inc.Inventors: Shan Tang, Jianjun Li, Jianguo Zhou, Wei Xi
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Patent number: 8709892Abstract: A method for fabricating a flash memory device where the flash memory device includes a substantially uniform size and spatial distribution of nanoparticles on a tunnel oxide layer to form a floating gate. The flash memory device may be fabricated by defining active areas in a substrate and forming an oxide layer on the substrate. A self-assembled protein lattice may be formed on top of the oxide layer where the self-assembled protein lattice includes a plurality of molecular chaperones. The cavities of the chaperones may provide confined spaces where nanocrystals can be trapped thereby forming an ordered nanocrystal lattice. A substantially uniform distribution of nanocrystals may be formed on the oxide layer upon removal of the self-assembled protein lattice such as through high temperature annealing.Type: GrantFiled: May 22, 2006Date of Patent: April 29, 2014Assignee: DarpaInventors: Chuanbin Mao, Shan Tang, Sanjay Banerjee
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Publication number: 20140048451Abstract: A process for enhancing the froth quality, improving vessel operability and increasing the froth temperature from an oil sand slurry in a primary separation vessel is provided, comprising introducing the oil sand slurry into a separation vessel; retaining the oil sand slurry within the separation vessel so that separate layers of bitumen froth, middlings and sand tailings are formed; introducing sufficient heated water having a temperature greater than about 80° C. as an evenly distributed underwash layer beneath the bitumen froth layer; and separately removing the bitumen froth, middlings and sand tailings from the separation vessel.Type: ApplicationFiled: August 17, 2012Publication date: February 20, 2014Applicant: SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude ProjectInventors: YIN MING SAMSON NG, WAYNE BENIDECT JANSEN, KEVIN LIU, SHAO-SHAN TANG