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).

  • Technique for smoothing an interface between layers of a semiconductor device
    Patent number: 8772845
    Abstract: The present disclosure provides a semiconductor memory device. The device includes a pinning layer having an anti-ferromagnetic material and disposed over a first electrode; a pinned layer disposed over the pinning layer; a composite layer disposed over the pinned layer, the composite layer having a magnetic material randomly distributed in a non-magnetic material; a barrier layer disposed on the composite layer; a free layer disposed over the barrier layer; and a second electrode disposed over the free layer.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: July 8, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Ming Chen, Cheng-Yuan Tsai, Chung-Yi Yu, Kai-Wen Cheng, Kuo-Ming Wu
  • Image sensor package with trench insulator and fabrication method thereof
    Patent number: 8772919
    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: Grant
    Filed: April 2, 2010
    Date of Patent: July 8, 2014
    Inventors: Wen-Cheng Chien, Wen-Ken Huang, Chien-Hung Liu, Joey Lai
  • Wireless access point device and communication collision avoiding method
    Patent number: 8774095
    Abstract: A wireless access point device receives a packet including a first source port number from a source wireless terminal device, determines if the packet is a control packet according to the first source port number, and obtains a time interval and a second source port number from the control packet and to receive a new packet. The wireless access point device further determines if the new packet is the data packet according to whether the first source port number of the new packet is the same as the second source port number, starts a timer to time for the time interval once the new packet is the data packet, and transmits a Clear-to-Sent packet to other wireless terminal devices once the timer times out.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: July 8, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Chi-Wen Cheng
  • Rope Rolling Structure of a Hand Puller
    Publication number: 20140183427
    Abstract: A rope rolling structure of a hand puller contains a fixing member and a rope roller. The fixing member includes a base, a central shaft assembly, two ratchet wheels, and a lower stopping piece. The base has a first segment and a second segment, and the first segment has two opposite orifices. The central shaft assembly is pivoted with the two opposite orifices. Each ratchet wheel includes plural ratchets. The lower stopping piece is fixed on the base and engages with or disengages from one of the plural ratchets. The rope roller has a rolling post and two stop disks, the rolling post has an opening, each stop disk has two apertures, such that the rope roller inserts into and retains with the central shaft assembly by using the two apertures, so when the central shaft assembly rotates, the rope roller is driven by the central shaft assembly to rotate.
    Type: Application
    Filed: November 5, 2013
    Publication date: July 3, 2014
    Applicant: Win Chance Metal Co., Ltd.
    Inventor: Wen Cheng Chang
  • Multi-landing contact etching
    Patent number: 8765592
    Abstract: A method for contacting MOS devices. First openings in a photosensitive material are formed over a substrate having a top dielectric in a first die area and a second opening over a gate stack in a second die area having the top dielectric, a hard mask, and a gate electrode. The top dielectric layer is etched to form a semiconductor contact while etching at least a portion the hard mask layer thickness over a gate contact area exposed by the second opening. An inter-layer dielectric (ILD) is deposited. A photosensitive material is patterned to generate a third opening in the photosensitive material over the semiconductor contact and a fourth opening inside the gate contact area. The ILD is etched through to reopen the semiconductor contact while etching through the ILD and residual hard mask if present to provide a gate contact to the gate electrode.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: July 1, 2014
    Assignee: Texas Instruments Incorporated
    Inventors: Fei Xie, Wen Cheng Tien, Ya Ping Chen, Li Bin Man, Kuo Jung Chen, Yu Liu, Tian Yi Zhang, Sisi Xie
  • Nylon Composite Fiber and Fabric Thereof
    Publication number: 20140179189
    Abstract: A nylon composite fiber and a nylon fabric thereof are provided. This nylon composite fiber is a dual-component fiber, and contains a long chain polyamide and a polyether modified polyamide polyamide. One monomer of the long chain polyamide contains a long aliphatic chain. One monomer of the polyether modified polyamide contains a polyether chain.
    Type: Application
    Filed: August 5, 2013
    Publication date: June 26, 2014
    Applicant: Taiwan Textile Research Institute
    Inventors: Wei-Hung Chen, Wei-Peng Lin, Ta-Yo Chen, Hsiao-Wen Cheng, Ta Ko, Ta-Chung An
  • METHOD FOR SETTING ADDRESSES OF SLAVE DEVICES IN COMMUNICATION NETWORK
    Publication number: 20140173013
    Abstract: A method for setting addresses of slave devices in a communication network is provided. In the communication network, a master device identifies address-collided slave devices and requests the address-collided slave devices to return their unique identification data. The master device sets addresses of the address-collided slave devices so that each of the slave devices in the communication network has a different address from one another.
    Type: Application
    Filed: March 15, 2013
    Publication date: June 19, 2014
    Applicant: MOTECH INDUSTRIES, INC.
    Inventors: Yung-Hsiang Liu, Kuo-Hsin Chu, Wen-Cheng Liang
  • PACKAGE SYSTEMS AND MANUFACTURING METHODS THEREOF
    Publication number: 20140170849
    Abstract: A method of forming a package system includes providing a first substrate having a metallic pad and at least one metallic guard ring. The method further includes bonding the metallic pad of the first substrate with a semiconductor pad of a second substrate, wherein the at least one metallic guard ring is configured to at least partially interact with the semiconductor pad to form at least a first portion of an electrical bonding material between the first and second substrates.
    Type: Application
    Filed: February 5, 2014
    Publication date: June 19, 2014
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chia-Pao SHU, Chun-wen CHENG, Kuei-Sung CHANG, Hsin-Ting HUANG, Shang-Ying TSAI, Jung-Huei PENG
  • LASER PROJECTOR AND METHOD OF DETECTING SCANNING ANGLE RANGE OF LASER BEAM THEREOF
    Publication number: 20140168619
    Abstract: A method of detecting a scanning angle range of a laser beam of a laser projector is provided. First, a photo sensor is disposed between first and second positions on a projection mirror. Then, a laser beam emitted from the laser projector scans back and forth between the first and second positions, so that the photo sensor receives the laser beam sequentially at first and second scanning time points to generate first and second sensing signals, respectively. If an actual time interval between the first and second sensing signals conforms to an expected time interval, an actual scanning angle range of the laser beam is determined as normal. If the actual time interval does not conform to the expected time interval, the actual scanning angle range of the laser beam is determined as abnormal and the laser projector stops emitting the laser beam. A laser projector is also provided.
    Type: Application
    Filed: January 22, 2013
    Publication date: June 19, 2014
    Applicant: LITE-ON IT CORPORATION
    Inventors: Chia-Tse Lin, Kai-Wen Cheng
  • Use of deoxyelephantopin (DET) and analogues thereof for treatment of melanoma
    Patent number: 8754121
    Abstract: Methods for treating melanoma in a subject in need thereof are disclosed. The method comprises administering to the subject a composition comprising a therapeutically effective amount of deoxyelephantopin or an analogue thereof; and a pharmaceutically acceptable carrier. Methods of inhibiting proliferation, migration and/or metastasis of melanoma cells in a subject in need thereof are also disclosed. Also disclosed are methods for reducing side effects of an anti-cancer agent in a subject in need thereof.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: June 17, 2014
    Assignee: Academia Sinica
    Inventors: Lie-Fen Shyur, Wen-Wan Chao, Ya-Wen Cheng
  • Method and device for establishing network connection
    Patent number: 8755529
    Abstract: A device for establishing network connection is disclosed, having a transmitting circuit, a receiving circuit, and a controller. The transmitting circuit, comprising a first scrambler having a plurality of first registers, transmits a first data scrambled by the first scrambler to a transmission line according to an oscillating signal generated by an oscillation circuit. The receiving circuit receives a second data scrambled by a second scrambler from the transmission line and comprises a descrambler having a plurality of second registers for descrambling the second data. The first and the second scramblers use the same scrambler generator polynomial. The controller compares at least one of the first data and the value of the first registers and at least one of the second data and the values of the second registers for configuring the oscillation circuit to adjust the frequency of the oscillating signal.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: June 17, 2014
    Assignee: Realtek Semiconductor Corp.
    Inventors: Liang-Wei Huang, Cheng-Han Lee, Yi-Huei Lei, Kai-Wen Cheng
  • COOLING FAN HAVING BENT BEARING HOUSING FOR RETAINING LUBRICANT
    Publication number: 20140161653
    Abstract: A cooling fan includes a stator, a base supporting the stator, and a rotor positioned to rotate with respect to the stator. The base includes a bearing housing and a central hole defined in the bearing housing. The rotor includes a hub and a shaft extending from the hub. An end of the shaft is fixed in the hub, and another end of the shaft is extending in the central hole defined in the bearing housing. The bearing housing includes a main cylindrical portion and a protruding portion bent radially inward from a top end of the main portion, and the protruding portion thus serves as a lubricant retaining portion of the bearing housing.
    Type: Application
    Filed: April 21, 2013
    Publication date: June 12, 2014
    Applicant: Foxconn Technology Co., Ltd.
    Inventors: MING-HSIU CHUNG, YU-KAI TAI, WEN-CHENG CHEN
  • CHEMICALS AND THE SYNTHESIZING METHODS THEREOF
    Publication number: 20140163191
    Abstract: A series of ladder-type multifused arenes (hexacyclic, heptacyclic and nonacyclic units) and the synthesizing methods thereof are provided. The ladder-type multifused arenes are copolymerized with various electron-deficient acceptor units to afford various p-type low-band gap conjugated copolymers.
    Type: Application
    Filed: November 27, 2013
    Publication date: June 12, 2014
    Applicant: Nation Chiao Tung University
    Inventors: Chian-Shu Hsu, Yen-Ju Cheng, Jhong-Sian Wu, Chiu-Hsiang Chen, Huan-Hsuan Chang, Yung-Lung Chen, Sheng-Wen Cheng
  • BACKSIDE CMOS COMPATIBLE BIOFET WITH NO PLASMA INDUCED DAMAGE
    Publication number: 20140151755
    Abstract: The present disclosure provides a bio-field effect transistor (BioFET) device and methods of fabricating a BioFET and a BioFET device. The method includes forming a BioFET using one or more process steps compatible with or typical to a complementary metal-oxide-semiconductor (CMOS) process. The BioFET device includes a gate structure disposed on a first surface of a substrate and an interface layer formed on a second surface of the substrate. The substrate is thinned from the second surface to expose a channel region before forming the interface layer.
    Type: Application
    Filed: December 5, 2012
    Publication date: June 5, 2014
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yi-Shao Liu, Chun-Ren Cheng, Ching-Ray Chen, Yi-Hsien Chang, Fei-Lung Lai, Chun-Wen Cheng
  • CHANNEL SCANNING METHOD FOR DIGITAL VIDEO BROADCASTING SATELLITE SIGNAL
    Publication number: 20140157331
    Abstract: A channel scanning method for Digital Video Broadcasting—Satellite (DVB-S) signals is provided. The method includes: scanning a radio frequency (RF) signal according to a normal frequency step; when the Nth channel is detected, obtaining a difference between a low boundary of an Nth channel and a high boundary of an (N?1)th channel; and, when the difference is within a predetermined bandwidth range, scanning the RF signal between the high boundary of the (N?1)th channel and the low boundary of the Nth channel according to a narrow frequency step. The normal frequency step is greater than the narrow frequency step.
    Type: Application
    Filed: December 3, 2013
    Publication date: June 5, 2014
    Applicant: MStar Semiconductor, Inc.
    Inventors: Chu-Hsin Chang, Kai-Wen Cheng, Yi-Ying Liao, Tung-Sheng Lin, Tai-Lai Tung
  • Hermetic Wafer Level Packaging
    Publication number: 20140154841
    Abstract: Provided is a wafer level packaging. The packaging includes a first semiconductor wafer having a transistor device and a first bonding layer that includes a first material. The packaging includes a second semiconductor wafer having a second bonding layer that includes a second material different from the first material, one of the first and second materials being aluminum-based, and the other thereof being titanium-based. Wherein a portion of the second wafer is diffusively bonded to the first wafer through the first and second bonding layers.
    Type: Application
    Filed: February 6, 2014
    Publication date: June 5, 2014
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Richard Chu, Martin Liu, Chia-Hua Chu, Yuan-Chih Hsieh, Chung-Hsien Lin, Lan-Lin Chao, Chun-Wen Cheng, Mingo Liu
  • Single Wire Signal Process Method and Circuit
    Publication number: 20140145641
    Abstract: A signal processing method for a single wire, includes receiving an input signal via the single wire, wherein the input signal includes a plurality of pulse signals; generating a plurality of bits corresponding to the plurality of pulse signals according to a plurality of widths of the plurality of pulse signals and forming a source code; and decoding the source code to generate a control code; wherein when a width of a first pulse signal of the plurality of pulse signals is smaller than a first duration, a first bit corresponding to the first pulse signal is a first bit value and when a width of a second pulse signal of the plurality of pulse signals is greater than a second duration, a second bit corresponding to the second pulse signal is a second bit value.
    Type: Application
    Filed: February 19, 2013
    Publication date: May 29, 2014
    Applicant: ANPEC ELECTRONICS CORPORATION
    Inventors: Chin-Hong Chen, San-Yi Li, Chieh-Wen Cheng
  • ELECTRONIC DEVICE CASING INCLUDING COUPLING STRUCTURE AND METHOD OF MANUFACTURING SAME
    Publication number: 20140147653
    Abstract: A method for manufacturing an electronic device casing having a coupling structure is provided. The electronic device casing is made of a casing material including a supportive substrate and a first thermoplastic substrate. A preliminary connecting section is formed on the first thermoplastic substrate by a hot-pressing molding process, and a molding plastic material is injected onto the preliminary connecting section by an in-mold injection process. After being cooled, the molding plastic material engages with the preliminary connecting section to form a secondary connecting section for a coupling element to couple with. Thus, the coupling structure of the electronic device casing can be directly formed during a manufacturing process without any additional procedures, thereby overall manufacturing time and costs are reduced.
    Type: Application
    Filed: November 29, 2012
    Publication date: May 29, 2014
    Applicant: SUNTENG NEW TECHNOLOGY CO., LTD.
    Inventor: Wen-Cheng WANG
  • DETACHABLE BULB
    Publication number: 20140146570
    Abstract: A detachable bulb includes a lighting source module and a driving module. The lighting source module includes a support plate, a lighting module, a heat sink, and a light-permeable cover. The heat sink has a cavity, a first end, a second end and an engaging slot disposed on an outer periphery thereof. The support plate is secured on the first end of the heat sink. The light-permeable cover disposed on the first end of the heat sink covering the lighting module. The driving module includes a driving body with a socket, a shell, and a power receiving base. The shell is around the driving body and has several engaging parts that detachably engage with the engaging slot. The power receiving base is electrically connected to the driving body.
    Type: Application
    Filed: September 3, 2013
    Publication date: May 29, 2014
    Applicant: Lextar Electronics Corporation
    Inventors: Wen-Cheng LU, Chih-Yen LIN
  • MICROPHONE SYSTEM AND RELATED CALIBRATION CONTROL METHOD AND CALIBRATION CONTROL MODULE
    Publication number: 20140146972
    Abstract: An embodiment of the invention provides a calibration control method performed by a microphone system. The microphone system includes a plurality of microphones configured to generate a plurality of microphone signals. First, the microphone system equalize the microphone signals to generate a plurality of equalized microphone signals. Next, the microphone system calculates a set of similarity indicators based on the equalized microphone signals. Then, the microphone system compares the set of similarity indicators with a set of predetermined thresholds to determine whether to calibrate the microphone signals.
    Type: Application
    Filed: November 26, 2012
    Publication date: May 29, 2014
    Applicant: MEDIATEK INC.
    Inventors: Liang-Che Sun, Yiou-Wen Cheng