Patents by Inventor Wei Jen

Wei Jen 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).

  • Publication number: 20210313212
    Abstract: A method for cleaning debris and contamination from an etching apparatus is provided. The etching apparatus includes a process chamber, a source of radio frequency power, an electrostatic chuck within the process chamber, a chuck electrode, and a source of DC power connected to the chuck electrode. The method of cleaning includes placing a substrate on a surface of the electrostatic chuck, applying a plasma to the substrate, thereby creating a positively charged surface on the surface of the substrate, applying a negative voltage or a radio frequency pulse to the electrode chuck, thereby making debris particles and/or contaminants from the surface of the electrostatic chuck negatively charged and causing them to attach to the positively charged surface of the substrate, and removing the substrate from the etching apparatus thereby removing the debris particles and/or contaminants from the etching apparatus.
    Type: Application
    Filed: April 1, 2020
    Publication date: October 7, 2021
    Inventors: Yu-Chi LIN, Huai-Tei YANG, Lun-Kuang TAN, Wei-Jen LO, Chih-Teng LIAO
  • Publication number: 20210301124
    Abstract: An abrasion resistance fiber includes 90.0 parts by weight to 99.0 parts by weight of a fiber body, 0.5 parts by weight to 7.5 parts by weight of an abrasion agent, 0.1 parts by weight to 0.5 parts by weight of a paraffin-based lubricant, and 0.1 parts by weight to 0.3 parts by weight of an antioxidant. The fiber body includes polyethylene terephthalate (PET). The abrasion agent is attached to a surface of the fiber body and includes silicon dioxide aerogels.
    Type: Application
    Filed: January 6, 2021
    Publication date: September 30, 2021
    Inventors: Jung YANG, Wei-Jen LAI
  • Patent number: 11127838
    Abstract: A method of fabricating a metal gate transistor includes providing a substrate. An interlayer dielectric layer covers the substrate. A dummy gate is embedded in the interlayer dielectric layer. A high-k dielectric layer is disposed between the dummy gate and the substrate. Later, the dummy gate is removed to form a trench, and the high-k dielectric layer is exposed through the trench. After the dummy gate is removed, an ion implantation process is performed to implant fluoride ions into the high-k dielectric layer. Finally, after the ion implantation process, a metal gate is formed to fill in the trench.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: September 21, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Zhi-Cheng Lee, Wei-Jen Chen, Kai-Lin Lee
  • Patent number: 11126341
    Abstract: The disclosure provides an object manipulating method, a host device and a computer readable storage medium. The method includes the following steps: in response to an operable object is selected, showing a cursor on the operable object; moving the cursor on the operable object in response to a movement of a controller; and moving the operable object according to the movement of the controller in response to a movement triggering event.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: September 21, 2021
    Assignee: HTC Corporation
    Inventor: Wei-Jen Chung
  • Publication number: 20210288634
    Abstract: A delay cell includes a cascode transistor and an inverter. The cascode transistor is used to receive a control voltage to generate a bias current, and includes a source terminal, a drain terminal, and a gate terminal receiving the control voltage. The inverter is coupled to the cascode transistor and used to generate an output signal according to the bias current in response to an input signal.
    Type: Application
    Filed: April 14, 2020
    Publication date: September 16, 2021
    Inventors: Kun-Yuan Wu, Wei-Jen Wang, Chien-Fu Chen, Chen-Hsien Hsu, Yuan-Hui Chen, Cheng-Yang Tsai, Ruei-Yau Chen, Cheng-Tsung Ku, Zhi-Hong Huang, Yu-Lin Chen
  • Patent number: 11119001
    Abstract: A machine tool health monitoring method which is to use a predetermined plurality of vibration sensors on a plurality of components of a machine tool and to drive motors of the machine tool to excite the machine tool using an electronic device while the health status of the machine tool is good, and then to perform a diagnostic process to obtain a characteristic cluster consisting of a plurality of modals, and then to define the characteristic cluster as a sample health characteristic cluster. The diagnostic process includes the procedures of vibration transmissibility obtaining, singular value decomposition, curve fitting and modal establishing. In addition, excite the machine tool and proceed the diagnosis process to obtain a current health characteristic cluster. Finally, the current health characteristic cluster is compared with the sample health characteristic cluster to judge whether the machine tool is healthy or not.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: September 14, 2021
    Assignees: NATIONAL CHUNG CHENG UNIVERSITY, TONGTAI MACHINE & TOOL CO., LTD.
    Inventors: Chih-Chun Cheng, Yu-Sheng Chiu, Wen-Nan Cheng, Ping-Chun Tsai, Yu-Hsin Kuo, Wei-Jen Chen, De-Shin Liu, Chen-Wei Chuang, Chih-Ta Wu, Wen-Peng Tseng, Wen-Chieh Kuo
  • Publication number: 20210280471
    Abstract: An integrated circuit device includes a substrate having a first portion in a first device region and a second portion in a second device region. A first semiconductor strip is in the first device region. A dielectric liner has an edge contacting a sidewall of the first semiconductor strip, wherein the dielectric liner is configured to apply a compressive stress or a tensile stress to the first semiconductor strip. A Shallow Trench Isolation (STI) region is over the dielectric liner, wherein a sidewall and a bottom surface of the STI region is in contact with a sidewall and a top surface of the dielectric liner.
    Type: Application
    Filed: May 24, 2021
    Publication date: September 9, 2021
    Inventors: Tsung-Lin Lee, Chih Chieh Yeh, Feng Yuan, Hung-Li Chiang, Wei-Jen Lai
  • Patent number: 11115033
    Abstract: A speed-up charge pump includes a first charge pump for receiving an up signal and a down signal in digital form to produce a first voltage control signal at an output node. Further, at least one speed-up phase detector includes a first circuit path to receive the up signal and delay the up signal by a predetermined delay as a delay up signal and operate the up signal and the delay up signal by AND logic into an auxiliary up signal; and a second circuit path to receive the down signal and delay the down signal by the predetermined delay as a delay down signal and operate the down signal and the delay down signal by AND logic into an auxiliary down signal. A second charge pump is respectively receiving the auxiliary up and down signals to produce a second voltage control signal also at the output node.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: September 7, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Kun-Yuan Wu, Wei-Jen Wang, Chien-Fu Chen, Cheng-Yang Tsai, Ruei-Yau Chen, Yu-Lin Chen
  • Publication number: 20210265204
    Abstract: A representative method includes forming a photo-sensitive material over a substrate, and forming a cap layer over the photo-sensitive material, and patterning the cap layer. Using the patterned cap layer, a first portion of the photo-sensitive material is selectively exposed to a pre-selected light wavelength to change at least one material property of the first portion of the photo-sensitive material, while preventing a second portion of the photo-sensitive material from being exposed to the pre-selected light wavelength. One, but not both of the following steps is then conducted: removing the first portion of the photo-sensitive material and forming in its place a conductive element at least partially surrounded by the second portion of the photo-sensitive material, or removing the second portion of the photo-sensitive material and forming from the first portion of the photo-sensitive material a conductive element electrically connecting two or more portions of a circuit.
    Type: Application
    Filed: November 10, 2020
    Publication date: August 26, 2021
    Inventors: Wei-Jen Lo, Po-Cheng Shih, Syun-Ming Jang, Tze-Liang Lee
  • Patent number: 11088271
    Abstract: A method for fabricating high electron mobility transistor (HEMT) includes the steps of: forming a buffer layer on a substrate; forming a barrier layer on the buffer layer; forming a hard mask on the barrier layer; removing the hard mask to form a first recess for exposing the barrier layer; removing the hard mask adjacent to the first recess to form a second recess; and forming a p-type semiconductor layer in the first recess and the second recess.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: August 10, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Kai-Lin Lee, Zhi-Cheng Lee, Wei-Jen Chen
  • Publication number: 20210242462
    Abstract: A method of manufacturing biomass hard carbon contains: step 1: mixing a carbon source and a nanoscale powder so as to obtain a precursor; step 2: disposing the precursor in an oxygen-free environment; step 3: carbonizing the precursor by a heating process so as to make the precursor be transformed into a hard carbon mixture; step 4: rinsing the hard carbon mixture by an acid solution, such that the hard carbon mixture has a pH value less than 0.5; step 5: modulating the pH value to be greater than 6 by using a pure water to rinse the hard carbon mixture; and step 6: producing a biomass hard carbon by drying the hard carbon mixture.
    Type: Application
    Filed: March 30, 2020
    Publication date: August 5, 2021
    Inventors: Tzu-Hsien Hsieh, Haw-Yeu Chuang, Yang-Chuang Chang, Wei-Jen Liu, Rasu Muruganantham
  • Patent number: 11075124
    Abstract: The present disclosure provides a semiconductor device with a profiled work-function metal gate electrode. The semiconductor structure includes a metal gate structure formed in an opening of an insulating layer. The metal gate structure includes a gate dielectric layer, a barrier layer, a work-function metal layer between the gate dielectric layer and the barrier layer and a work-function adjustment layer over the barrier layer, wherein the work-function metal has an ordered grain orientation. The present disclosure also provides a method of making a semiconductor device with a profiled work-function metal gate electrode.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: July 27, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Da-Yuan Lee, Hung-Chin Chung, Hsien-Ming Lee, Kuan-Ting Liu, Syun-Ming Jang, Weng Chang, Wei-Jen Lo
  • Patent number: 11070311
    Abstract: Disclosed are systems, methods, and non-transitory computer-readable storage media for monitoring application health via correctable errors. The method includes identifying, by a network device, a network packet associated with an application and detecting an error associated with the network packet. In response to detecting the error, the network device increments a counter associated with the application, determines an application score based at least in part on the counter, and telemeters the application score to a controller. The controller can generate a graphical interface based at least in part on the application score and a timestamp associated with the application score, wherein the graphical interface depicts a trend in correctable errors experienced by the application over a network.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: July 20, 2021
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Keerthi Manjunathan Swarnamanjunathan, Chih-Tsung Huang, Kelvin Chan, Wei-Jen Huang
  • Publication number: 20210218426
    Abstract: Wireless receiver systems and methods for user equipment are described that employ multiple receiver heads. The multiple heads can receive wireless communication signals over different receive paths from different transmission sources. The systems can scan and monitor signal quality from all receiver heads during a scheduled gap in a communication link without interfering with an ongoing communication session.
    Type: Application
    Filed: December 28, 2020
    Publication date: July 15, 2021
    Applicant: MEDIATEK Singapore Pte. Ltd.
    Inventors: Yangjian Chen, Jonathan Richard Strange, Yabo Li, Ganning Yang, Wei-Yu Lai, Wei-Jen Chen
  • Publication number: 20210208401
    Abstract: A head mounted display device includes a display, a light waveguide element, and a light shutter. The display periodically provides a display image. The light waveguide element receives the display image, generates a projection image according to the display image, projects the projection image from a second surface, and projects the projection image to a target zone from a first surface. The light shutter is adjacent to the second surface of the light waveguide element and is coupled to the light waveguide element. The light shutter is periodically disabled and enabled in an alternating manner.
    Type: Application
    Filed: November 19, 2020
    Publication date: July 8, 2021
    Applicant: HTC Corporation
    Inventors: Cheng-Hsiu Tsai, Wei-Jen Chang, Fu-Cheng Fan
  • Patent number: 11057248
    Abstract: A baseband system includes: an estimation and compensation circuit estimating frequency-independent non-ideal effects based on an original IQ signal pair, and compensating the original IQ signal pair based on a result of the estimation to obtain a compensated IQ signal pair; a channel estimation and equalization circuit performing channel estimation and equalization based on the compensated IQ signal pair to obtain an equalized IQ signal pair; and a tracking and compensation circuit obtaining a result of tracking of residual quantities of the aforesaid non-ideal effects based on the equalized IQ signal pair, and compensating the equalized IQ signal pair based on the result of the tracking to obtain an output IQ signal pair.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: July 6, 2021
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Zheng-Chun Huang, Wei-Che Lee, Hung-Chih Liu, Chih-Wei Jen, Shyh-Jye Jou, Yu-Hwai Tseng
  • Patent number: 11044960
    Abstract: A wearable display device includes a wearing device, a fixed frame, a sliding member, a bracket and an optical imaging device. The fixed frame is fixedly connected to the wearing device. The sliding member is slidably coupled to the fixed frame. The bracket is pivotally connected to the sliding member and is interlocked with the sliding member. The optical imaging device is fixedly connected to the bracket for sliding and rotating relative to the fixed frame.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: June 29, 2021
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chun-Lung Chen, Yuan-Peng Yu, Wei-Jen Chang, Hung-Chieh Wu
  • Publication number: 20210189232
    Abstract: An intrinsic fluorescent green fiber includes 98.00 to 99.00 parts by weight of a carrier, 0.10 to 0.20 parts by weight of a yellow colorant, 0.08 to 0.20 parts by weight of a blue colorant, and 1.00 to 1.50 parts by weight of a titanium dioxide. When a content of 0.10 wt % to 0.20 wt % of the yellow colorant and a balance of the carrier are mixed to form a yellow fiber, the L*, a*, and b* values of the yellow fiber are respectively between 101.27 and 101.72, between ?17.61 and ?13.47, and between 89.84 and 108.79. When a content of 0.08 wt % to 0.20 wt % of the blue colorant and a balance of the carrier are mixed to form a blue fiber, the L*, a*, and b* values of the blue fiber are respectively between 55.60 and 66.80, between ?22.69 and ?22.70, and between ?37.50 and ?31.80.
    Type: Application
    Filed: October 15, 2020
    Publication date: June 24, 2021
    Inventors: Rih-Sheng CHIANG, Wei-Jen LAI, Yi-Ching SUNG, Sheng-Shan CHANG, Chao-Huei LIU
  • Patent number: 11038740
    Abstract: A communication system includes a baseband circuit, a transmitting end circuit, and a receiving end circuit is disclosed. The transmitting end circuit includes a digital analog conversion circuit and a transmitting end filtering circuit. The receiving end circuit includes a receiving end amplifying circuit, a receiving end filtering circuit, and an analog digital conversion circuit. A first data signal is transmitted to the analog digital conversion circuit through the digital analog conversion circuit and the transmitting end filtering circuit, so that the baseband circuit obtains a first compensation parameter. A second data signal is transmitted to the receiving end filtering circuit, the receiving end amplifying circuit and the analog digital conversion circuit through the digital analog conversion circuit and the transmitting end filtering circuit, so that the baseband circuit obtains a second compensation parameter.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: June 15, 2021
    Assignee: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Zheng-Chun Huang, Wei-Che Lee, Hung-Chih Liu, Chih-Wei Jen, Shyh-Jye Jou, Yu-Hwai Tseng
  • Patent number: RE48645
    Abstract: Techniques are presented herein to facilitate the monitoring of occupancy of a buffer in a network device. Packets are received at a network device. Information is captured describing occupancy of the buffer caused by packet flow through the buffer in the network device. Analytics packets are generated containing the information. The analytics packets from the network device for retrieval of the information contained therein for analysis, replay of buffer occupancy, etc.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: July 13, 2021
    Assignee: CISCO TECHNOLOGY, INC.
    Inventors: Thomas J. Edsall, Yue J. Yang, Wei-Jen Huang, Chih-Tsung Huang