Patents by Inventor Han-Guan Chew

Han-Guan Chew 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: 20110193161
    Abstract: The present disclosure provides a semiconductor device having a transistor. The transistor includes a substrate and first and second wells that are disposed within the substrate. The first and second wells are doped with different types of dopants. The transistor includes a first gate that is disposed at least partially over the first well. The transistor further includes a second gate that is disposed over the second well. The transistor also includes source and drain regions. The source and drain regions are disposed in the first and second wells, respectively. The source and drain regions are doped with dopants of a same type.
    Type: Application
    Filed: February 8, 2010
    Publication date: August 11, 2011
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ming Zhu, Lee-Wee Teo, Han-Guan Chew, Harry Hak-Lay Chuang
  • Publication number: 20110108928
    Abstract: The present disclosure provides a method of fabricating a semiconductor device that includes providing a semiconductor substrate, forming a metal gate on the substrate, the metal gate having a first gate resistance, removing a portion of the metal gate thereby forming a trench; and forming a conductive structure within the trench such that a second gate resistance of the conductive structure and remaining portion of the metal gate is lower than the first gate resistance.
    Type: Application
    Filed: November 12, 2009
    Publication date: May 12, 2011
    Applicant: TAIWAN SEMCONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Lee-Wee Tao, Han-Guan Chew, Harry Hak-Lay Chuang, Syun-Ming Jang
  • Publication number: 20100167505
    Abstract: A method for fabricating a semiconductor device is provided. The method comprises selectively forming a first layer over a first and second exposed portions of a substrate. The first and second exposed portions are of different sizes and are located adjacent to a first and second active devices. During the first layer formation, a gas mixture comprising first and second source gases that function as growth components for forming the first layer and a reactant gas that functions as an etching component for controlling selectivity of the first layer growth is provided. The reactant gas is different from the first and second source gases and one of first and second source gases forms the first layer at a faster rate over the first exposed portion as compared to the second exposed portion and the other source gas exhibits an opposite behavior.
    Type: Application
    Filed: December 29, 2009
    Publication date: July 1, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD.
    Inventors: Han Guan CHEW, Jinping LIU, Alex Kai Hung SEE, Mei Sheng ZHOU
  • Publication number: 20100096695
    Abstract: A semiconductor device that includes a substrate having an active region prepared with a transistor is presented. The semiconductor device includes a stress structure adjacent to the substrate. The stress structure includes a dielectric layer having nanocrystals embedded therein. The nanocrystals induce a first or a second stress on a channel region of the transistor which improves carrier mobility of the transistor.
    Type: Application
    Filed: October 16, 2008
    Publication date: April 22, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD.
    Inventors: Han Guan Chew, Jinping Liu, Alex Kh See, Mei Sheng Zhou
  • Publication number: 20090291311
    Abstract: A method of forming a discrete nanostructured element at one or more predetermined locations on a substrate is presented. The method includes forming a mask member over the substrate. A window is formed in the mask member at each of one or more locations at which it is required to form the nanostructured element thereby to expose a portion of a surface of the substrate. A portion of the substrate exposed by the window at the one or more locations is removed to form one or more recesses in the substrate. The method further includes forming a layer of a nanostructure medium over a surface of the recess and annealing the structure thereby to form the nanostructured element in each of the one or more recesses. The nanostructured element includes a portion of the nanostructure medium and has an external dimension along at least two substantially orthogonal directions of less than substantially 100 nm.
    Type: Application
    Filed: May 21, 2008
    Publication date: November 26, 2009
    Applicants: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD., NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Han Guan Chew, Fei Zheng, Wee Kiong Choi, Tze Haw Liew