Patents by Inventor Wen Cheng

Wen Cheng 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: 8896705
    Abstract: A measuring device for measuring a response speed of a display panel is provided. The measuring device includes a microcontroller and at least one photo sensor. The microcontroller provides a control command, according to which a display controller of the display panel provides test pattern to the display panel. The photo sensor senses a test frame displayed corresponding to the test pattern by the display panel, and provides a corresponding sensing signal associated with brightness and a response signal. According to the response signal, the response speed of the display panel is calculated.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: November 25, 2014
    Assignee: MStar Semiconductor, Inc.
    Inventors: Chih-Chiang Chiu, Tien-Hua Yu, Wen-Cheng Wu
  • Patent number: 8895360
    Abstract: The present disclosure provides one embodiment of a stacked semiconductor device. The stacked semiconductor device includes a first substrate; a first bond pad over the first substrate; a second substrate including a second electrical device fabricated thereon; a second bond pad over the second electrical device over the second substrate, the second bond pad electrically connecting to the second electrical device; a second insulation layer over the second bond pad having a top surface, the second insulation layer being bonded toward the first bond pad of the first substrate; and a through-substrate-via (“TSV”) extending from a surface opposite to the first bond pad through the first substrate and through the top surface of the second insulation layer to the second bond pad.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: November 25, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kuei-Sung Chang, Chun-Wen Cheng, Alex Kalnitsky, Chia-Hua Chu
  • Patent number: 8889553
    Abstract: A method for polishing Through-Silicon Via (TSV) wafers is provided. The method comprises a step of subjecting the surface of a TSV wafer to a polishing treatment with a polishing composition containing an organic alkaline compound, an oxidizing agent selected from sodium chlorite and/or potassium bromate, silicon oxide abrasive particles, and a solvent to simultaneously remove Si and conductive materials at their respective removal rates. By using the method of this invention, Si and conductive materials can be simultaneously polished at higher removal rates to significantly save the necessary working-hour costs for polishing TSV wafers. A polishing composition used in the above method is also provided.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: November 18, 2014
    Assignee: Cabot Microelectronics Corporation
    Inventors: Kang-Hua Lee, Wen-Cheng Liu
  • Publication number: 20140331484
    Abstract: The present disclosure provides methods of fabricating a micro-electro-mechanical systems (MEMS) switch. The methods include providing a substrate, forming a first dielectric layer disposed above the substrate, forming a bump above the first dielectric layer, providing a movable member including a top actuation electrode, and forming at least one support member that includes the first dielectric layer and is directly below the top actuation electrode. The top actuation electrode is electrically coupled to the bump.
    Type: Application
    Filed: July 29, 2014
    Publication date: November 13, 2014
    Inventors: Chia-Hua Chu, Chung-Hsien Lin, Chun-Wen Cheng
  • Publication number: 20140319670
    Abstract: The invention provides a chip package and a fabrication method thereof. In one embodiment, the chip package includes: a substrate having a semiconductor device and a conductive pad thereon; an insulator ring filling a trench formed in the substrate, wherein the insulator ring surrounds an intermediate layer below the conductive pad; and a conductive layer disposed below a backside of the substrate and electrically connected to the conductive pad.
    Type: Application
    Filed: July 8, 2014
    Publication date: October 30, 2014
    Inventors: Wen-Cheng CHIEN, Wen-Ken HUANG, Chien-Hung LIU, Joey LAI
  • Publication number: 20140319631
    Abstract: A method embodiment includes providing a MEMS wafer comprising an oxide layer, a MEMS substrate, a polysilicon layer. A carrier wafer comprising a first cavity formed using isotropic etching is bonded to the MEMS, wherein the first cavity is aligned with an exposed first portion of the polysilicon layer. The MEMS substrate is patterned, and portions of the sacrificial oxide layer are removed to form a first and second MEMS structure. A cap wafer including a second cavity is bonded to the MEMS wafer, wherein the bonding creates a first sealed cavity including the second cavity aligned to the first MEMS structure, and wherein the second MEMS structure is disposed between a second portion of the polysilicon layer and the cap wafer. Portions of the carrier wafer are removed so that first cavity acts as a channel to ambient pressure for the first MEMS structure.
    Type: Application
    Filed: July 15, 2014
    Publication date: October 30, 2014
    Inventors: Chia-Hua Chu, Chun-Wen Cheng
  • Patent number: 8866268
    Abstract: A semiconductor package structure and a manufacturing method thereof are provided. The semiconductor package structure includes a semiconductor die, a thermally conductive film, a substrate, a plurality of electrically conductive film patterns, and at least one insulator. The thermally conductive film is disposed on the bottom of the semiconductor die. The substrate is substantially comprised of the electrically conductive material or semiconductor material. Furthermore, a first hole is disposed on and passed all the way through the substrate, and the semiconductor die is disposed in the first hole. The electrically conductive film patterns are disposed on the substrate, and not contacting with each other. In addition, the insulator is connected between the semiconductor die and the substrate.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: October 21, 2014
    Assignee: Unistars Corporation
    Inventors: Shang-Yi Wu, Wen-Cheng Chien, Chia-Lun Tsai, Tien-Hao Huang
  • Publication number: 20140299472
    Abstract: An integrated semiconductor device for manipulating and processing bio-entity samples is disclosed. The device includes a microfluidic channel that is coupled to fluidic control circuitry, a photosensor array coupled to sensor control circuitry, an optical component aligned with the photosensor array to manipulate a light signal before the light signal reaches the photosensor array, and a microfluidic grid coupled to the microfluidic channel and providing for transport of bio-entity sample droplets by electrowetting. The device further includes logic circuitry coupled to the fluidic control circuitry and the sensor control circuitry, with the fluidic control circuitry, the sensor control circuitry, and the logic circuitry being formed on a first substrate.
    Type: Application
    Filed: June 20, 2014
    Publication date: October 9, 2014
    Inventors: Yi-Hsien Chang, Chun-Ren Cheng, Alex Kalnitsky, Chun-Wen Cheng
  • Publication number: 20140302717
    Abstract: A smart alarm plug, socket, wall-mounted socket or connector includes a casing, a normally-open temperature control switch, a normally-closed temperature control switch and an alarm device. The casing is provided with a live wire pin, a neutral wire pin, an earth wire pin, and connecting core wires. The heat resistance value of the normally-closed temperature control switch is greater than the heat resistance value of the normally-open temperature control switch. When the temperature of the power wire is abnormal, the normally-open temperature control switch will be closed for the alarm device to connect with the power, such that the alarm device sends an alarm signal to warn the user to examine the circuit, providing a warning effect. When the temperature is over the preset value, the normally-closed temperature control switch will be opened to cut off power supply, achieving a fire alarm effect.
    Type: Application
    Filed: April 9, 2013
    Publication date: October 9, 2014
    Inventor: Chi Wen CHENG
  • Publication number: 20140298898
    Abstract: A testing apparatus and a testing method are disclosed. The testing apparatus has a testing assembly. The testing assembly includes a first plate body, a testing paper, and a second plate body. The first plate body has a plurality of pins; the testing paper includes a plurality of first through holes whose locations correspond to the plurality of pins. The second plate body connects with the testing paper and has a plurality of second through holes whose locations correspond to the first through holes for allowing the plurality of pins to pass through the corresponding through holes. A sprayer is located, beneath the second plate body and sprays flux onto the inner wall of each second through hole, and a plurality of wet marks are left on the testing paper for interpretation of the coating quality.
    Type: Application
    Filed: September 23, 2013
    Publication date: October 9, 2014
    Applicant: Wistron Corporation
    Inventors: Jun-Min YANG, Hao-Chun TSAI, Hsin-Lun TSAI, Sheng-Wen CHENG, Chia-Hsien LEE
  • Patent number: 8851266
    Abstract: The present invention provides a material distribution system and method thereof, comprising first, second and third conveyors, first, second, third and fourth material distribution paths, first and second material distribution rockers, and a movable material-distributing guide plate. Material conveyed on the second conveyor is delivered to the first or second material distribution rocker by switching the movable material-distributing guide plate, material conveyed on the first or second conveyor is delivered to the first or second material distribution path by switching the first material distribution rocker, and material conveyed on the second or third conveyor is delivered to the third or fourth material distribution path by switching the second material distribution rocker.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: October 7, 2014
    Assignee: Chan Li Machinery Co., Ltd.
    Inventor: Wen-Cheng Liu
  • Patent number: 8854167
    Abstract: A magnetic assembly is formed by a Printed Circuit Board (PCB) and a cover. A plurality of magnetic elements is electrically disposed on the PCB, and the magnetic elements are connected to one another through an electric circuit on the PCB. An accommodation space is formed on the cover for receiving the magnetic elements. During the manufacturing of the magnetic assembly, a cover with an appropriate space is selected according to the size, quantity, and specification type of the magnetic elements. After the two components are assembled, adhesive is injected into the cover, so that the cover and the PCB are fixedly disposed, and the elements in the accommodation space are protected. Therefore, in a process of manufacturing the magnetic assembly, covers with different accommodation spaces are selected for collocation according to requirements of the assembled electrical elements.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: October 7, 2014
    Assignee: Mag. Layers Scientific-Technics Co., Ltd.
    Inventors: Ching Tzung Lin, Wen Cheng Yu, Ching Yuan Cheng
  • Patent number: 8856441
    Abstract: A dynamic hard disk mapping method and a server using the same are disclosed. The server includes a first motherboard, a second motherboard, a first disk group corresponding to the first motherboard, and a second disk group corresponding to the second motherboard. In the dynamic hard disk mapping method, at first, a disk redistributing instruction is received and stored. Thereafter, a reset instruction is received and performed. Then, the number of hard disks of the first disk group and the number of hard disks of the second disk group are summed up to obtain a total hard disk number N, wherein N is a positive integer greater than zero. Thereafter, the disk redistributing instruction is read, and a redistribution computation is performed in accordance with the disk redistributing instruction to obtain a third disk group corresponding to the first motherboard and a fourth disk group corresponding to the second motherboard.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: October 7, 2014
    Assignee: Inventec Corporation
    Inventors: Chia-Ming Wu, Wen-Cheng Huang
  • Patent number: 8846416
    Abstract: The present disclosure provides biochips and methods of fabricating biochips. The method includes combining three portions: a transparent substrate, a first substrate with microfluidic channels therein, and a second substrate. Through-holes for inlet and outlet are formed in the transparent substrate or the second substrate. Various non-organic landings with support medium for bio-materials to attach are formed on the first substrate and the second substrate before they are combined. In other embodiments, the microfluidic channel is formed of an adhesion layer between a transparent substrate and a second substrate with landings on the substrates.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: September 30, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Hua Chu, Allen Timothy Chang, Ching-Ray Chen, Yi-Hsien Chang, Yi-Shao Liu, Chun-Ren Cheng, Chun-Wen Cheng
  • Publication number: 20140287548
    Abstract: The present disclosure provides a method of fabricating a micro-electro-mechanical systems (MEMS) device. In an embodiment, a method includes providing a substrate including a first sacrificial layer, forming a micro-electro-mechanical systems (MEMS) structure above the first sacrificial layer, and forming a release aperture at substantially a same level above the first sacrificial layer as the MEMS structure. The method further includes forming a second sacrificial layer above the MEMS structure and within the release aperture, and forming a first cap over the second sacrificial layer and the MEMS structure, wherein a leg of the first cap is disposed between the MEMS structure and the release aperture. The method further includes removing the first sacrificial layer, removing the second sacrificial layer through the release aperture, and plugging the release aperture. A MEMS device formed by such a method is also provided.
    Type: Application
    Filed: March 26, 2014
    Publication date: September 25, 2014
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chung-Hsien Lin, Chia-Hua Chu, Chun-Wen Cheng
  • Publication number: 20140272719
    Abstract: The present disclosure provides methods of fabricating a biochip. The biochip includes a fluidic part, having through-substrate holes as inlets and outlets, and a sensing part bonded together using a bonding material. One or both of the parts has microfluidic channel patterns and one or more patterned surface modification layers formed using different methods to provide surface property for binding bioreceptors and for flowing analytes. The patterning includes lithography, etching, washing, selective depositing using printing or self-assembly of surface chemistry.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yi-Shao LIU, Chun-Wen CHENG, Chun-Ren CHENG
  • Publication number: 20140264662
    Abstract: A method embodiment for forming a micro-electromechanical (MEMS) device includes providing a MEMS wafer, wherein a portion of the MEMS wafer is patterned to provide a first membrane for a microphone device and a second membrane for a pressure sensor device. A carrier wafer is bonded to the MEMS wafer, and the carrier wafer is etched to expose the first membrane for the microphone device to an ambient environment. A MEMS substrate is patterned and portions of a first sacrificial layer are removed of the MEMS wafer to form a MEMS structure. A cap wafer is bonded to a side of the MEMS wafer opposing the carrier wafer to form a first sealed cavity including the MEMS structure. A second sealed cavity and a cavity exposed to an ambient environment on opposing sides of the second membrane for the pressure sensor device are formed.
    Type: Application
    Filed: July 17, 2013
    Publication date: September 18, 2014
    Inventors: Chun-Wen Cheng, Chia-Hua Chu
  • Publication number: 20140275936
    Abstract: A wireless intraocular pressure monitoring device includes reflecting and detecting modules. The reflecting module includes a soft contact lens having a curvature corresponding to that of a cornea while worn. A metal layer is embedded in and deformable with the soft contact lens. The detecting module includes two waveguides, an oscillator, and a converting unit. The oscillator is operable to generate oscillation signals having a frequency dependent on an equivalent impedance of the waveguides such that the equivalent impedance corresponds to intraocular pressure. The converting unit is operable for receiving and converting the oscillation signals into an output signal corresponding to the intraocular pressure.
    Type: Application
    Filed: March 18, 2013
    Publication date: September 18, 2014
    Applicant: NATIONAL CHIAO TUNG UNIVERSITY
    Inventors: Tzuen-Hsi Huang, Ying-Chun Lin, Wei-Shang Su, Huey-Wen Cheng, Hong-Yi Huang, Ching-Hsing Luo, Jin-Chern Chiou
  • Publication number: 20140264648
    Abstract: A method embodiment includes providing a micro-electromechanical (MEMS) wafer including a polysilicon layer having a first and a second portion. A carrier wafer is bonded to a first surface of the MEMS wafer. Bonding the carrier wafer creates a first cavity. A first surface of the first portion of the polysilicon layer is exposed to a pressure level of the first cavity. A cap wafer is bonded to a second surface of the MEMS wafer opposite the first surface of the MEMS wafer. The bonding the cap wafer creates a second cavity comprising the second portion of the polysilicon layer and a third cavity. A second surface of the first portion of the polysilicon layer is exposed to a pressure level of the third cavity. The first cavity or the third cavity is exposed to an ambient environment.
    Type: Application
    Filed: May 15, 2013
    Publication date: September 18, 2014
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Hua Chu, Chun-Wen Cheng
  • Publication number: 20140264545
    Abstract: A semiconductor element and a manufacturing method of the same are provided. The semiconductor element includes a substrate, a plurality of doping strips, a memory material layer, a plurality of conductive damascene structures, and a dielectric structure. The doping strips are formed in the substrate. The memory material layer is formed on the substrate, and the memory material layer comprises a memory area located on two sides of the doping strips. The conductive damascene structures are formed on the memory material layer. The dielectric structure is formed on the doping strips and between the conductive damascene structures. The conductive damascene structures are extended in a direction perpendicular to a direction which the doping strips are extended in.
    Type: Application
    Filed: May 10, 2013
    Publication date: September 18, 2014
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Ching-Hung Wang, Jyun-Siang Huang, Chien-Hung Liu, Chia-Wen Cheng, Ying-Tso Chen