Patents by Inventor Wen Liu

Wen Liu 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: 9724811
    Abstract: The present invention relates to a steam powered nailing gun. In certain embodiments, the steam powered nailing gun includes a handle, a casing, a high pressure water pump, a piston mechanism, a nailing gun base, and a nail magazine. The piston mechanism is connected to the casing. One end of the piston mechanism is connected to the high pressure water pump, and another end is connected to nailing gun base. The nail magazine is disposed at a position corresponding to piston mechanism on the nailing gun base. A phase transition thermal storage device and a steam power generator are positioned inside casing having steam power generator inside phase transition thermal storage device. The steam power generator is connected to high pressure water pump and piston mechanism. The high pressure water pump is further connected to a water supply device 11 on the handle through a second water supply pipe.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: August 8, 2017
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Gui-Wen Liu, Ming-Jun Yang, Jin-Quan Huang
  • Patent number: 9728602
    Abstract: A semiconductor device includes a nanowire structure and a stressor. The nanowire structure includes a first channel section and a second channel section. The stressor subjects the first channel section to a first strain level and the second channel section to a second strain level greater than the first strain level. The difference between the second strain level and the first strain level is less than the second strain level.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: August 8, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Tsung-Hsing Yu, Yeh Hsu, Chia-Wen Liu, Jean-Pierre Colinge
  • Patent number: 9721896
    Abstract: A semiconductor device includes a semiconductor substrate comprising a contact region, a silicide present on the contact region, a dielectric layer present on the semiconductor substrate, the dielectric layer comprising an opening to expose a portion of the contact region, a conductor present in the opening, a barrier layer present between the conductor and the dielectric layer, and a metal layer present between the barrier layer and the dielectric layer, wherein a Si concentration of the silicide is varied along a height of the silicide.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: August 1, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Hung Lin, Chi-Wen Liu, Horng-Huei Tseng
  • Patent number: 9722050
    Abstract: A semiconductor device includes a substrate, at least one active semiconductor fin, at least one first dummy semiconductor fin, and at least one second dummy semiconductor fin. The active semiconductor fin is disposed on the substrate. The first dummy semiconductor fin is disposed on the substrate. The second dummy semiconductor fin is disposed on the substrate and between the active semiconductor fin and the first dummy semiconductor fin. A top surface of the first dummy semiconductor fin and a top surface of the second dummy semiconductor fin are curved in different directions.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: August 1, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Sheng Li, Hsin-Chieh Huang, Chi-Wen Liu
  • Publication number: 20170213770
    Abstract: A semiconductor device includes a n-type gate structure over a first semiconductor fin, in which the n-type gate structure includes a n-type work function metal layer overlying the first high-k dielectric layer. The n-type work function metal layer includes a TiAl (titanium aluminum) alloy, in which an atom ratio of Ti (titanium) to Al (aluminum) is in a range substantially from 1 to 3. The semiconductor device further includes a p-type gate structure over a second semiconductor fin, in which the p-type gate structure includes a p-type work function metal layer overlying the second high-k dielectric layer. The p-type work function metal layer includes titanium nitride (TiN), in which an atom ratio of Ti to N (nitrogen) is in a range substantially from 1:0.9 to 1:1.1.
    Type: Application
    Filed: April 10, 2017
    Publication date: July 27, 2017
    Inventors: Shiu-Ko JangJian, Chi-Cheng HUNG, Chi-Wen LIU, Horng-Huei TSENG
  • Patent number: 9715630
    Abstract: A method of searching an image, which is disclosed in the present invention, includes selecting a first timing and a second timing to generate a first period, obtaining a plurality of first images from a first video streaming within the first period, and setting a second period according to at least one first image so as to obtain a plurality of second images from the first video streaming within the second period. The method of searching the image further includes simultaneously displaying a plurality of third image from a second video streaming within the second period, enlarging a selected image of the second images or the third images, and simultaneously enlarging another image that is captured at the same time as the time when the enlarging selected image is captured. The two enlarging images respectively belong to the first video streaming and the second video streaming.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: July 25, 2017
    Assignee: VIVOTEK INC.
    Inventors: Chien-Wen Liu, Yi-Hsuen Shih, Guan-Zhong Wu
  • Patent number: 9716146
    Abstract: The present disclosure provides a semiconductor structure. The semiconductor structure includes a fin active region formed on a semiconductor substrate and spanning between a first sidewall of a first shallow trench isolation (STI) feature and a second sidewall of a second STI feature; an anti-punch through (APT) feature of a first type conductivity; and a channel material layer of the first type conductivity, disposed on the APT feature and having a second doping concentration less than the first doping concentration. The APT feature is formed on the fin active region, spans between the first sidewall and the second sidewall, and has a first doping concentration.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: July 25, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Cheng-Yi Peng, Ling-Yen Yeh, Chi-Wen Liu, Chih-Sheng Chang, Yee-Chia Yeo
  • Patent number: 9716172
    Abstract: A semiconductor device and method of forming the same are described. A semiconductor device includes an active area adjacent a channel in a semiconductor composite. The active area includes a first active area layer having a first dopant concentration, a second active area layer having a second dopant concentration over the first active area layer, and a third active area layer having a third dopant concentration, over the second active area. The third dopant concentration is greater than the second dopant concentration, and the second dopant concentration is greater than the first dopant concentration. The channel includes a second channel layer comprising carbon over a first channel layer and a third channel layer over the second channel layer. The active area configuration improves drive current and reduces contact resistance, and the channel configuration increases short channel control, as compared to a semiconductor device without the active area and channel configuration.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: July 25, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Tsung-Hsing Yu, Chia-Wen Liu, Yeh Hsu, Ken-Ichi Goto
  • Publication number: 20170207204
    Abstract: An embodiment package includes a first package; a thermal interface material (TIM) contacting a top surface of the first package, and a second package bonded to the first package. The second package includes a first semiconductor die, and the TIM contacts a bottom surface of the first semiconductor die. The package further includes a heat spreader disposed on an opposing surface of the second package as the first package.
    Type: Application
    Filed: January 15, 2016
    Publication date: July 20, 2017
    Inventors: Wen-Yi Lin, Hsien-Wen Liu, Po-Yao Lin, Cheng-Lin Huang, Shyue-Ter Leu, Shin-Puu Jeng
  • Patent number: 9707674
    Abstract: The invention relates to a cylinder cover for a cylinder of a piston mechanism. In certain embodiments, the cylinder cover includes a cylinder cover body, a valve plate, and a one-directional valve. The cylinder cover body has an exhaust port, and an oil intake. The exhaust port and oil intake are disposed on outer circumference of the cylinder cover body. The one directional oil valve is formed by a compression spring and a ball. An inner end of the oil intake is connected to the compression spring through the ball and the ball is disposed between one end of the compression spring and the inner end of the oil intake. The valve plate is retained on an inner wall of the cylinder cover body by a retaining nut. The cylinder cover further has an auxiliary heating rod inside cylinder cover body for pre-heating cylinder cover to a predetermined temperature.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: July 18, 2017
    Assignee: TAIZHOU DAJIANG IND. CO., LTD.
    Inventors: Gui-Wen Liu, Ming-Jun Yang, Jin-Quan Huang
  • Patent number: 9711595
    Abstract: A semiconductor device includes a substrate, a pair of source/drain units, and a semiconductor sheet unit. The substrate includes a well region. The source/drain units are disposed above the well region. The semiconductor sheet unit is disposed substantially vertically, interconnects the source/drain units, and defines a cross-sectional shape unit in a top view. The cross-sectional shape unit includes a plurality of cross-sections that have substantially the same shape and different sizes.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: July 18, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Jiun-Peng Wu, Tetsu Ohtou, Ching-Wei Tsai, Chih-Hao Wang, Chi-Wen Liu
  • Patent number: 9711607
    Abstract: A method and structure for providing a GAA device. In some embodiments, a substrate including an insulating layer disposed thereon is provided. By way of example, a first metal portion is formed within the insulating layer. In various embodiments, a first lateral surface of the first metal portion is exposed. After exposure of the first lateral surface of the first metal portion, a first graphene layer is formed on the exposed first lateral surface. In some embodiments, the first graphene layer defines a first vertical plane parallel to the exposed first lateral surface. Thereafter, in some embodiments, a first nanobar is formed on the first graphene layer, where the first nanobar extends in a first direction normal to the first vertical plane defined by the first graphene layer.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: July 18, 2017
    Assignees: Taiwan Semiconductor Manufacturing Co., Ltd., National Taiwan University
    Inventors: Che-Wei Yang, Chi-Wen Liu, Hao-Hsiung Lin, Ling-Yen Yeh
  • Patent number: 9704883
    Abstract: A fin structure on a substrate can have a lower portion formed from the substrate, a middle portion, and an upper portion. The middle portion can include a dielectric region having a dielectric composition and a concentrated region of a first material. The first material can be an element of the dielectric composition. The concentrated region can be located at an interface of the middle portion and lower portion. The structure can also include isolation regions in the substrate on opposing sides of the fin. The structure can also include a gate structure over the upper portion of the fin that are exposed from the isolation regions. The gate structure can include a gate dielectric and gate material over the gate dielectric. The structure can also include source/drain regions extending laterally from the upper portion and the middle portion of the fin.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: July 11, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Hao Wang, Ching-Wei Tsai, Chi-Wen Liu, Kuo-Cheng Ching, Jhon Jhy Liaw, Wai-Yi Lien
  • Publication number: 20170194470
    Abstract: A transistor based on topological insulators is provided. In an embodiment a topological insulator is used to form both the channel as well as the source/drain regions, wherein the channel has a first thickness such that the topological insulator material has properties of a semiconductor material and the source/drain regions have a second thickness such that the topological insulator has properties of a conductive material.
    Type: Application
    Filed: May 10, 2016
    Publication date: July 6, 2017
    Inventors: Sheng-Ting Fan, Pin-Shiang Chen, Chee Wee Liu, Chi-Wen Liu
  • Publication number: 20170186736
    Abstract: Structures and formation methods of a chip package are provided. The chip package includes a semiconductor die and a package layer partially or completely encapsulating the semiconductor die. The chip package also includes a conductive feature penetrating through the package layer. The chip package further includes an interfacial layer the interfacial layer continuously surrounds the conductive feature. The interfacial layer is between the conductive feature and the package layer, and the interfacial layer is made of a metal oxide material.
    Type: Application
    Filed: March 14, 2017
    Publication date: June 29, 2017
    Inventors: Jui-Pin Hung, Cheng-Lin Huang, Hsien-Wen Liu, Shin-Puu Jeng
  • Patent number: 9690333
    Abstract: A portable electronic apparatus assembly includes a tabular electronic device and a supporting device. The supporting device includes a base, a connecting member pivotally connected to the base, and a supporting member pivotally connected to the connecting member. The connecting member can rotate about a first rotation axis relative to the base. The supporting member can rotate about a second rotation axis relative to the connecting member. The first rotation axis and the second rotation axis are nonparallel. The supporting device can support the tabular electronic device by accommodating the tabular electronic device in an accommodating slot of the supporting member. Thereby, unfolding and folding of the supporting member relative to the base is more flexible. The whole thickness of the supporting device after folded can avoid being restrained by the thickness of the tabular electronic device.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: June 27, 2017
    Assignee: Wistron Corporation
    Inventors: Chen-Yi Liang, Che-Wen Liu
  • Patent number: 9691621
    Abstract: The disclosure relates to a semiconductor device and methods of forming same. A representative structure for a semiconductor device comprises a substrate; a nanowire structure protruding from the substrate having a channel region disposed between a source region and a drain region; a pair of silicide regions extending into opposite sides of the source region, wherein each of the pair of silicide regions comprise a vertical portion adjacent to the source region and a horizontal portion adjacent to the substrate; and a metal gate surrounding a portion the channel region.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: June 27, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kuo-Cheng Ching, Chi-Wen Liu, Chao-Hsiung Wang
  • Publication number: 20170179301
    Abstract: A device includes isolation regions extending into a semiconductor substrate, with a substrate strip between opposite portions of the isolation regions having a first width. A source/drain region has a portion overlapping the substrate strip, wherein an upper portion of the source/drain region has a second width greater than the first width. The upper portion of the source/drain region has substantially vertical sidewalls. A source/drain silicide region has inner sidewalls contacting the vertical sidewalls of the source/drain region.
    Type: Application
    Filed: March 6, 2017
    Publication date: June 22, 2017
    Inventors: Kuo-Cheng Ching, Ching-Wei Tsai, Chi-Wen Liu, Chih-Hao Wang, Ying-Keung Leung
  • Publication number: 20170179291
    Abstract: A device includes a substrate and insulation regions over a portion of the substrate. A first semiconductor region is between the insulation regions and having a first conduction band. A second semiconductor region is over and adjoining the first semiconductor region, wherein the second semiconductor region includes an upper portion higher than top surfaces of the insulation regions to form a semiconductor fin. The second semiconductor region also includes a wide portion and a narrow portion over the wide portion, wherein the narrow portion is narrower than the wide portion. The semiconductor fin has a tensile strain and has a second conduction band lower than the first conduction band. A third semiconductor region is over and adjoining a top surface and sidewalls of the semiconductor fin, wherein the third semiconductor region has a third conduction band higher than the second conduction band.
    Type: Application
    Filed: March 6, 2017
    Publication date: June 22, 2017
    Inventors: Yi-Jing Lee, Chi-Wen Liu, Cheng-Hsien Wu, Chih-Hsin Ko, Clement Hsingjen Wann
  • Publication number: 20170172063
    Abstract: A trimmer head having at least two pivoting line holders for holding multiple folded strips of trimming line is presented wherein said pivoting line holders are retained within said housing between said housing and said cover and extend upward through apertures in said cover, said line holders being capable of movement around a vertical axis of rotation, at least three embodiments are disclosed which provide a rounded landing for supporting the inner radius of a folded strip of trimming line, the rounded geometry of the landing prevents line stress and breakage, the various embodiments include a pivot post having two parallel straight through holes with a rounded vertical wall between the through holes, a single open passageway having a center metal post, and a single open passageway having a series of at least two metal pins through the center of the passageway.
    Type: Application
    Filed: March 20, 2015
    Publication date: June 22, 2017
    Inventors: David B. Skinner, Brian Searfoss, Wen Liu, Lin Wang, Jack Yang