Patents by Inventor Wen Liao

Wen Liao 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).

  • Patent number: 10038139
    Abstract: The present disclosure provides a resistive random access memory (RRAM) cells and methods of making the same. The RRAM cell includes a transistor and an RRAM structure. The RRAM structure includes a bottom electrode having a via portion and a top portion, a resistive material layer on the bottom electrode having a width that is same as a width of the top portion of the bottom electrode; a capping layer over the bottom electrode; a spacer surrounding the capping layer; and, a top electrode on the capping layer having a smaller width than the resistive material layer. The RRAM cell further includes a conductive material connecting the top electrode of the RRAM structure to a metal layer.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: July 31, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsia-Wei Chen, Wen-Ting Chu, Kuo-Chi Tu, Chin-Chieh Yang, Chih-Yang Chang, Yu-Wen Liao
  • Patent number: 10038750
    Abstract: A method and system of sharing data and a server apparatus thereof are provided. The method includes following steps. When a first operation command is detected, first operation information is transmitted from a server apparatus to a first client apparatus. The first operation information is received by the first client apparatus to execute a first operation, and data information related to a data object is generated and transmitted to the server apparatus. The data information is received and transmitted to other client apparatuses by the server apparatus, so as to enable a second operation related to the data object. When a second operation command is detected, second operation information is transmitted to a second client apparatus by the server apparatus. In response to the second operation information, the second client apparatus is connected to the first client apparatus to obtain the data object according to the data information.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: July 31, 2018
    Assignee: Wistron Corporation
    Inventors: Fang-Wen Liao, Ping-Hung Chen, Pen-Tai Miao
  • Patent number: 10026638
    Abstract: A system is configured to perform plasma related fabrication processes. The system includes a process chamber and a wafer stage positioned within the process chamber. The wafer stage is configured to secure a process wafer. The system further includes a bottom electrode positioned beneath the wafer stage, a top electrode positioned external to the chamber, and a plasma distribution mechanism. The plasma distribution mechanism is reconfigurable to allow for more than one plasma distribution profile.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: July 17, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventor: Han-Wen Liao
  • Patent number: 10008662
    Abstract: A method of forming a magnetoresistive random access memory (MRAM) device including a perpendicular MTJ (magnetic tunnel junction) is provided. The method includes forming a magnetic tunneling junction (MTJ) over a bottom electrode layer. A top electrode layer is formed over an upper surface of the MTJ, and a hard mask is formed over an upper surface of the top electrode layer. A first etch is performed through the top electrode layer, through regions of the MTJ unmasked by the hard mask, to form a top electrode and an etched MTJ. Sidewall spacers are formed extending from an upper surface of the hard mask or the top electrode, along sidewalls of the top electrode and the etched MTJ, to a point below or about even with an upper surface of the bottom electrode. A resulting MRAM device structure is also provided.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: June 26, 2018
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Wen-Chun You, Kuo-Chi Tu, Chih-Yang Chang, Hsia-Wei Chen, Chin-Chieh Yang, Sheng-Hung Shih, Wen-Ting Chu, Yu-Wen Liao
  • Publication number: 20180174883
    Abstract: A system is configured to perform plasma related fabrication processes. The system includes a process chamber and a wafer stage positioned within the process chamber. The wafer stage is configured to secure a process wafer. The system further includes a bottom electrode positioned beneath the wafer stage, a top electrode positioned external to the chamber, and a plasma distribution mechanism. The plasma distribution mechanism is reconfigurable to allow for more than one plasma distribution profile.
    Type: Application
    Filed: December 15, 2016
    Publication date: June 21, 2018
    Inventor: Han-Wen Liao
  • Publication number: 20180158653
    Abstract: A plasma-processing apparatus includes a chamber, a plasma generator, and a composite plasma modulator. The chamber includes a plasma zone. The plasma generator is configured to generate a plasma in the plasma zone. The composite plasma modulator is configured to modulate the plasma. The composite plasma modulator includes a dielectric plate made of a first dielectric material and a first modulating portion made of a second dielectric material and coupled to the dielectric plate.
    Type: Application
    Filed: January 30, 2017
    Publication date: June 7, 2018
    Inventor: Han-Wen Liao
  • Publication number: 20180151412
    Abstract: A planarization method includes forming a dielectric layer over a polish stop layer. The dielectric layer is polished until reaching the polish stop layer, and the polished dielectric layer has a concave top surface. A compensation layer is formed over the concave top surface. The compensation layer is polished.
    Type: Application
    Filed: February 22, 2017
    Publication date: May 31, 2018
    Inventors: Chun-Jung Huang, Hsu-Shui Liu, Han-Wen Liao, Yu-Yao Huang, Hsiao-Wei Chen, Yung-Lin Hsu, Kuang-Huan Hsu
  • Publication number: 20180138403
    Abstract: A memory cell and method including a first electrode formed through a first opening in a first dielectric layer, a resistive layer formed on the first electrode, a spacing layer formed on the resistive layer, a second electrode formed on the resistive layer, and a second dielectric layer formed on the second electrode, the second dielectric layer including a second opening. The first dielectric layer formed on a substrate including a first metal layer. The first electrode and the resistive layer collectively include a first lip region that extends a first distance beyond the first opening. The second electrode and the second dielectric layer collectively include a second lip region that extends a second distance beyond the first opening. The spacing layer extends from the second distance to the first distance. The second electrode is coupled to a second metal layer using a via that extends through the second opening.
    Type: Application
    Filed: December 22, 2017
    Publication date: May 17, 2018
    Inventors: Chih-Yang Chang, Hsia-Wei Chen, Chin-Chieh Yang, Kuo-Chi Tu, Wen-Ting Chu, Yu-Wen Liao
  • Publication number: 20180138402
    Abstract: The present disclosure, in some embodiments, relates to a resistive random access memory (RRAM) cell. The RRAM cell has a bottom electrode disposed over a lower interconnect layer and a data storage layer having a first thickness over the bottom electrode. A capping layer is disposed over the data storage layer. The capping layer has a second thickness that is in a range of between approximately 2 and approximately 3 times thicker than the first thickness. A top electrode is disposed over the capping layer and an upper interconnect layer is disposed over the top electrode.
    Type: Application
    Filed: January 15, 2018
    Publication date: May 17, 2018
    Inventors: Trinh Hai Dang, Hsing-Lien Lin, Cheng-Yuan Tsai, Chin-Chieh Yang, Yu-Wen Liao, Wen-Ting Chu, Chia-Shiung Tsai
  • Publication number: 20180102418
    Abstract: A polysilicon layer is formed over a substrate. The polysilicon layer is etched to form a dummy gate electrode having a top portion with a first lateral dimension and a bottom portion with a second lateral dimension. The first lateral dimension is greater than, or equal to, the second lateral dimension. The dummy gate electrode is replaced with a metal gate electrode.
    Type: Application
    Filed: January 31, 2017
    Publication date: April 12, 2018
    Inventors: Shih Wei Bih, Han-Wen Liao, Xuan-You Yan, Yen-Yu Chen, Chun-Chih Lin
  • Patent number: 9941470
    Abstract: The present disclosure relates to an integrated circuit, which includes a semiconductor substrate and an interconnect structure disposed over the semiconductor substrate. The interconnect structure includes a lower metal layer, an intermediate metal layer disposed over the lower metal layer, and an upper metal layer disposed over the intermediate metal layer. An upper surface of the lower metal layer and a lower surface of the intermediate metal layer are spaced vertically apart by a first distance. A resistive random access memory (RRAM) cell is arranged between the lower metal layer and the upper metal layer. The RRAM cell includes a bottom electrode and a top electrode which are separated by a data storage layer having a variable resistance. The data storage layer vertically spans a second distance that is greater than the first distance.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: April 10, 2018
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Jen-Sheng Yang, Chih-Yang Chang, Chin-Chieh Yang, Kuo-Chi Tu, Sheng-Hung Shih, Wen-Ting Chu, Yu-Wen Liao, Manish Kumar Singh
  • Publication number: 20180097173
    Abstract: The present disclosure relates to a method of manufacturing a memory device. The method is performed by forming an inter-layer dielectric (ILD) layer over a substrate, and forming an opening within a dielectric protection layer over the ILD layer. A bottom electrode layer is formed within the opening and over the dielectric protection layer. A chemical mechanical planarization (CMP) process is performed on the bottom electrode layer to form a bottom electrode structure having a planar upper surface and a projection that protrudes outward from a lower surface of the bottom electrode structure to within the opening. A memory element is formed over the bottom electrode structure, and a top electrode is formed over the memory element.
    Type: Application
    Filed: December 29, 2016
    Publication date: April 5, 2018
    Inventors: Harry-Hak-Lay Chuang, Hung Cho Wang, Tong-Chern Ong, Wen-Ting Chu, Yu-Wen Liao, Kuei-Hung Shen, Kuo-Yuan Tu, Sheng-Huang Huang
  • Publication number: 20180083188
    Abstract: A semiconductor structure includes a resistance variable memory structure. The semiconductor structure also includes a dielectric layer. The resistance variable memory structure is over the dielectric layer. The resistance variable memory structure includes a first electrode disposed over the dielectric layer. The first electrode has a sidewall surface. A resistance variable layer has a first portion which is disposed over the sidewall surface of the first electrode and a second portion which extends from the first portion away from the first electrode. A second electrode is over the resistance variable layer.
    Type: Application
    Filed: November 13, 2017
    Publication date: March 22, 2018
    Inventors: Kuo-Chu TU, Chih-Yang CHANG, Hsia-Wei CHEN, Yu-Wen LIAO, Chin-Chieh YANG, Wen-Ting CHU
  • Patent number: 9894123
    Abstract: A method for sharing a control right and a host device are provided. The method of sharing the control right is adapted to the host device of an interactive whiteboard system. The method includes the following steps. A scanning process is executed to receive an online notification signal broadcast by a first client device, wherein the online notification signal includes a weight value and device information of the first client device; it is determined whether the control right of the interactive whiteboard system is released or not, and when the control right of the interactive whiteboard system is not released, it is determined whether to share the control right of the interactive whiteboard system to the first client device according to the weight value. When the control right is determined to be shared to the first client device, a control right notification signal is transmitted to the first client device.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: February 13, 2018
    Assignee: Wistron Corporation
    Inventors: Pen-Tai Miao, Ping-Hung Chen, Fang-Wen Liao
  • Publication number: 20180039873
    Abstract: An active RFID tag includes a first substrate, an electrically conductive layer disposed on the first substrate and etched or printed to form an antenna and a circuit, a thin film photovoltaic cell installed on the electrically conductive layer and electrically coupled to the electrically conductive layer, a thin film energy storage device installed on the electrically conductive layer and electrically coupled to the circuit of the electrically conductive layer, and an RFID chip installed on the electrically conductive layer and electrically coupled to the electrically conductive layer.
    Type: Application
    Filed: September 7, 2016
    Publication date: February 8, 2018
    Inventor: SHIH-WEN LIAO
  • Publication number: 20180033736
    Abstract: A semiconductor device package includes a substrate, a component on a surface of the substrate, a package body encapsulating the component, and an electromagnetic interference (EMI) shield conformally formed on the package body, where the EMI shield has a side portion defining an opening.
    Type: Application
    Filed: July 28, 2016
    Publication date: February 1, 2018
    Inventors: Ji-Min LIN, Ming-Wen Liao, Chun-Ying Huang
  • Publication number: 20180033611
    Abstract: A cluster tool includes a polyhedral transfer chamber, at least one processing chamber, at least one load lock chamber, and an electron beam (e-beam) source. The processing chamber is connected to the polyhedral transfer chamber. The processing chamber is configured to perform a manufacturing procedure to a wafer present therein. The load lock chamber is connected to the polyhedral transfer chamber. The e-beam source is configured to performing an e-beam treatment to the wafer after the wafer is performed the manufacturing procedure.
    Type: Application
    Filed: July 26, 2016
    Publication date: February 1, 2018
    Inventor: Han-Wen Liao
  • Patent number: 9876167
    Abstract: The present disclosure relates to a method of forming a resistive random access memory (RRAM) cell having a good yield, and an associated apparatus. In some embodiments, the method is performed by forming a bottom electrode over a lower metal interconnect layer, and forming a variable resistance dielectric data storage layer having a first thickness onto the bottom electrode. A capping layer is formed onto the dielectric data storage layer. The capping layer has a second thickness that is in a range of between approximately 2 to approximately 3 times thicker than the first thickness. A top electrode is formed over the capping layer, and an upper metal interconnect layer is formed over the top electrode.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: January 23, 2018
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Trinh Hai Dang, Hsing-Lien Lin, Cheng-Yuan Tsai, Chin-Chieh Yang, Yu-Wen Liao, Wen-Ting Chu, Chia-Shiung Tsai
  • Publication number: 20180019390
    Abstract: Some embodiments relate to an integrated circuit device, which includes a bottom electrode, a dielectric layer, and top electrode. The dielectric layer is disposed over the bottom electrode. The top electrode is disposed over the dielectric layer, and an upper surface of the top electrode exhibits a recess. A via is disposed over the top electrode. The via makes electrical contact with only a tapered sidewall of the recess without contacting a bottom surface of the recess.
    Type: Application
    Filed: September 26, 2017
    Publication date: January 18, 2018
    Inventors: Hsia-Wei Chen, Wen-Ting Chu, Kuo-Chi Tu, Chih-Yang Chang, Chin-Chieh Yang, Yu-Wen Liao, Wen-Chun You, Sheng-Hung Shih
  • Publication number: 20180012657
    Abstract: In some embodiments, the present disclosure relates to a method of operating an RRAM cell having a PMOS access transistor. The method may be performed by turning on a PMOS transistor having a drain terminal coupled to a lower electrode of an RRAM device. A first voltage is provided to a source terminal of the PMOS transistor, and a second voltage is provided to a bulk terminal of the PMOS transistor. The second voltage is larger than the first voltage. A third voltage is provided to an upper electrode of the RRAM device. The third voltage is larger than the first voltage.
    Type: Application
    Filed: September 12, 2017
    Publication date: January 11, 2018
    Inventors: Sheng-Hung Shih, Kuo-Chi Tu, Chih-Yang Chang, Hsia-Wei Chen, Chin-Chieh Yang, Jen-Sheng Yang, Wen-Ting Chu, Yu-Wen Liao