Patents by Inventor Gan Wang

Gan Wang 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: 8841732
    Abstract: CMOS devices (60, 61, 61?) having improved latch-up robustness are provided by including with one or both WELL regions (22, 29) underlying the source-drains (24, 25; 31, 32) and the body contacts (27, 34), one or more further regions (62, 62?, 62-2) doped with deep acceptors or deep donors (or both) of the same conductivity type as the corresponding WELL region and whose ionization substantially increases as operating temperature increases. The increase in conductivity exhibited by these further regions as a result of the increasing ionization of the deep acceptors or donors off-sets, in whole or part, the temperature driven increase in gain of the parasitic NPN and/or PNP bipolar transistors inherent in prior art CMOS structures. By clamping or lowering the gain of the parasitic bipolar transistors, the CMOS devices (60, 61, 61?) are less likely to go into latch-up with increasing operating temperature.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: September 23, 2014
    Assignees: Globalfoundries, Inc., International Business Machines Corporation
    Inventors: Yanxiang Liu, Xiaodong Yang, Gan Wang
  • Publication number: 20140264591
    Abstract: A finFET and method of fabrication are disclosed. A sacrificial layer is formed on a bulk semiconductor substrate. A top semiconductor layer (such as silicon) is disposed on the sacrificial layer. The bulk semiconductor substrate is recessed in the area adjacent to the transistor gate and a stressor layer is formed in the recessed area. The sacrificial layer is selectively removed and replaced with an insulator, such as a flowable oxide. The insulator provides isolation between the transistor channel and the bulk substrate without the use of dopants.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 18, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Yanfeng Wang, Dechao Guo, Darsen Lu, Philip J. Oldiges, Gan Wang, Xin Wang
  • Patent number: 8809953
    Abstract: A field effect transistor (FET) structure on a semiconductor substrate which includes a gate structure having a spacer on a semiconductor substrate; an extension implant underneath the gate structure; a recessed source and a recessed drain filled with a doped epitaxial material; halo implanted regions adjacent a bottom of the recessed source and drain and being underneath the gate stack. In an exemplary embodiment, there is implanted junction butting underneath the bottom of each of the recessed source and drain, the junction butting being separate and distinct from the halo implanted regions. In another exemplary embodiment, the doped epitaxial material is graded from a lower dopant concentration at a side of the recessed source and drain to a higher dopant concentration at a center of the recessed source and drain. In a further exemplary embodiment, the semiconductor substrate is a semiconductor on insulator substrate.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: August 19, 2014
    Assignee: International Business Machines Corporation
    Inventors: David M. Fried, Jeffrey B. Johnson, Kevin McStay, Paul Parries, Chengwen Pei, Gan Wang, Geng Wang, Yanli Zhang
  • Publication number: 20140217504
    Abstract: FinFET structures and methods of manufacturing the FinFET structures are disclosed. The method includes performing an oxygen anneal process on a gate stack of a FinFET structure to induce Vt shift. The oxygen anneal process is performed after sidewall pull down and post silicide.
    Type: Application
    Filed: April 22, 2014
    Publication date: August 7, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Eduard A. CARTIER, Brian J. GREENE, Dechao GUO, Gan WANG, Yanfeng WANG, Keith Kwong Hon WONG
  • Patent number: 8796466
    Abstract: This disclosure concerns novel compounds of Formula (I) as defined in the specification and compositions comprising such novel compounds. These compounds are useful antiviral agents, especially in inhibiting the function of the NS5A protein encoded by Hepatitis C virus (HCV). Thus, the disclosure also concerns a method of treating HCV related diseases or conditions by use of these novel compounds or a composition comprising such novel compounds.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: August 5, 2014
    Assignee: Bristol-Myers Squibb Company
    Inventors: John A. Bender, Piyasena Hewawasam, John F. Kadow, Omar D. Lopez, Nicholas A. Meanwell, Van N. Nguyen, Jeffrey Lee Romine, Lawrence B. Snyder, Denis R. St. Laurent, Gan Wang, Ningning Xu, Makonen Belema
  • Patent number: 8772149
    Abstract: FinFET structures and methods of manufacturing the FinFET structures are disclosed. The method includes performing an oxygen anneal process on a gate stack of a FinFET structure to induce Vt shift. The oxygen anneal process is performed after sidewall pull down and post silicide.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: July 8, 2014
    Assignee: International Business Machines Corporation
    Inventors: Eduard A. Cartier, Brian J. Greene, Dechao Guo, Gan Wang, Yanfeng Wang, Keith Kwong Hon Wong
  • Publication number: 20140061857
    Abstract: A method of manufacturing a semiconductor device is disclosed. A p-type substrate is doped to form an N-well in a selected portion of a p-type substrate adjacent an anode region of the substrate. A p-type doped region is formed in the anode region of the p-type substrate. The p-type doped region and the N-well form a p-n junction.
    Type: Application
    Filed: September 14, 2012
    Publication date: March 6, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Dechao Guo, Wilfried E. Haensch, Gan Wang, Yanfeng Wang, Xin Wang
  • Publication number: 20140065807
    Abstract: A method of manufacturing a semiconductor device is disclosed. A p-type substrate is doped to form an N-well in a selected portion of a p-type substrate adjacent an anode region of the substrate. A p-type doped region is formed in the anode region of the p-type substrate. The p-type doped region and the N-well form a p-n junction.
    Type: Application
    Filed: September 6, 2012
    Publication date: March 6, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Dechao Guo, Wilfried E. Haensch, Gan Wang, Yanfeng Wang, Xin Wang
  • Publication number: 20140017195
    Abstract: The present disclosure relates to compounds, compositions and methods for the treatment of hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.
    Type: Application
    Filed: September 9, 2013
    Publication date: January 16, 2014
    Inventors: Carol Bachand, Makonen Belema, Daniel H. Deon, Andrew C. Good, Jason Goodrich, Clint A. James, Rico Lavole, Omar D. Lopez, Alain Martel, Nicolas A. Meanwell, Van N. Nguyen, Jeffrey Lee Romine, Edward H. Ruediger, Lawrence B. Snyder, Denis R. St. Laurent, Fukang Yang, David R. Langley, Gan Wang, Lawrence G. Hamann
  • Publication number: 20140008756
    Abstract: A method including providing a silicon-on-insulator (SOI) substrate including a SOI layer, a buried oxide layer, and a base layer; the buried oxide layer is located below the SOI layer and above the base layer, and the buried oxide layer insulates the SOI layer from the base layer; etching a deep trench into the SOI substrate, the deep trench having a sidewall and a bottom, the deep trench extends from a top surface of the SOI layer, through the buried oxide layer, down to a location within the base layer; forming a dielectric liner on the sidewall and the bottom of the deep trench; forming a conductive fill material on top of the dielectric liner and substantially filling the deep trench, the fill material being thermally conductive; and transferring heat from the SOI layer to the base layer via the fill material.
    Type: Application
    Filed: July 9, 2012
    Publication date: January 9, 2014
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Chengwen Pei, Gan Wang
  • Patent number: 8592266
    Abstract: In a replacement gate scheme, a continuous material layer is deposited on a bottom surface and a sidewall surface in a gate cavity. A vertical portion of the continuous material layer is removed to form a gate component of which a vertical portion does not extend to a top of the gate cavity. The gate component can be employed as a gate dielectric or a work function metal portion to form a gate structure that enhances performance of a replacement gate field effect transistor.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: November 26, 2013
    Assignee: International Business Machines Corporation
    Inventors: Zhengwen Li, Dechao Guo, Randolph F. Knarr, Chengwen Pei, Gan Wang, Yanfeng Wang, Keith Kwong Hon Wong, Jian Yu, Jun Yuan
  • Patent number: 8580798
    Abstract: Substituted pyrimidine derivatives of formula (I), salts, metabolites, prodrugs and diastereoisomeric forms (both isolated stereoisomers and mixtures of stereoisomers) thereof (wherein A=pyrimidine) pharmaceutical compositions containing such compounds and the use of those compounds or compositions for treating hyper-proliferative and angiogenesis disorders, as a sole agent or in combination with other active ingredients, e.g., cytotoxic therapies.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: November 12, 2013
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Roger Smith, Jacques Dumas, Gan Wang, Wendy Lee, Karl Miranda
  • Patent number: 8574563
    Abstract: The present disclosure relates to compounds, compositions and methods for the treatment of hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: November 5, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Carol Bachand, Makonen Belema, Daniel H. Deon, Andrew C. Good, Jason Goodrich, Clint A. James, Rico Lavoie, Omar D. Lopez, Alain Martel, Nicholas A. Meanwell, Van N. Nguyen, Jeffrey Lee Romine, Edward H. Ruediger, Lawrence B. Snyder, Denis R. St. Laurent, Fukang Yang, David R. Langley, Gan Wang, Lawrence G. Hamann
  • Patent number: 8552047
    Abstract: The present disclosure relates to compounds, compositions and methods for the treatment of hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: October 8, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: John A. Bender, Omar D. Lopez, Gan Wang, Makonen Belema, John F. Kadow
  • Patent number: 8481415
    Abstract: A method of forming a semiconductor device is provided that includes forming a replacement gate structure on portion a substrate, wherein source regions and drain regions are formed on opposing sides of the portion of the substrate that the replacement gate structure is formed on. An intralevel dielectric is formed on the substrate having an upper surface that is coplanar with an upper surface of the replacement gate structure. The replacement gate structure is removed to provide an opening to an exposed portion of the substrate. A high-k dielectric spacer is formed on sidewalls of the opening, and a gate dielectric is formed on the exposed portion of the substrate. Contacts are formed through the intralevel dielectric layer to at least one of the source region and the drain region, wherein the etch that provides the opening for the contacts is selective to the high-k dielectric spacer and the high-k dielectric capping layer.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: July 9, 2013
    Assignee: International Business Machines Corporation
    Inventors: Jun Yuan, Dechao Guo, Kwong Hon Wong, Yanfeng Wang, Gan Wang
  • Publication number: 20130121957
    Abstract: The present disclosure relates to compounds, compositions and methods for the treatment of Hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.
    Type: Application
    Filed: May 7, 2012
    Publication date: May 16, 2013
    Inventors: Qi Chen, Omar D. Lopez, John A. Bender, Gan Wang, Van N. Nguyen, John F. Kadow, Nicholas A. Meanwell, Makonen Belema
  • Patent number: 8431695
    Abstract: This invention relates to novel compounds of formula (I). Formula (I) in which the variable groups are as defined in the specification and claims, to pharmaceutical compositions containing them, and to a method of treatment using them for treatment of cancer.
    Type: Grant
    Filed: November 2, 2006
    Date of Patent: April 30, 2013
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Stephen O'Connor, Jacques Dumas, Wendy Lee, Julie Dixon, David Cantin, David Gunn, Jennifer Burke, Barton Phillips, Derek Lowe, Tatiana Shelekhin, Gan Wang, Xin Ma, Shihong Ying, Andrea McClure, Furahi Achebe, Mario Lobell, Frederick Ehrgott, Christiana Iwuagwu, Kyle Parcella
  • Publication number: 20130099313
    Abstract: FinFET structures and methods of manufacturing the FinFET structures are disclosed. The method includes performing an oxygen anneal process on a gate stack of a FinFET structure to induce Vt shift. The oxygen anneal process is performed after sidewall pull down and post silicide.
    Type: Application
    Filed: October 19, 2011
    Publication date: April 25, 2013
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Eduard A. CARTIER, Brian J. GREENE, Dechao GUO, Gan WANG, Yanfeng WANG, Keith Kwong Hon WONG
  • Patent number: 8377980
    Abstract: The present disclosure relates to compounds, compositions and methods for the treatment of Hepatitis C virus (HCV) infection. Also disclosed are pharmaceutical compositions containing such compounds and methods for using these compounds in the treatment of HCV infection.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: February 19, 2013
    Assignee: Bristol-Myers Squibb Company
    Inventors: Makonen Belema, Jeffrey Lee Romine, Van N. Nguyen, Gan Wang, Omar D. Lopez, Denis R. St. Laurent, Qi Chen, John A. Bender, Zhong Yang, Piyasena Hewawasam, Ningning Xu, Nicholas A. Meanwell, John A. Easter, Bao-Ning Su, Michael J. Smith
  • Publication number: 20130032890
    Abstract: CMOS devices (60, 61, 61?) having improved latch-up robustness are provided by including with one or both WELL regions (22, 29) underlying the source-drains (24, 25; 31, 32) and the body contacts (27, 34), one or more further regions (62, 62?, 62-2) doped with deep acceptors or deep donors (or both) of the same conductivity type as the corresponding WELL region and whose ionization substantially increases as operating temperature increases. The increase in conductivity exhibited by these further regions as a result of the increasing ionization of the deep acceptors or donors off-sets, in whole or part, the temperature driven increase in gain of the parasitic NPN and/or PNP bipolar transistors inherent in prior art CMOS structures. By clamping or lowering the gain of the parasitic bipolar transistors, the CMOS devices (60, 61, 61?) are less likely to go into latch-up with increasing operating temperature.
    Type: Application
    Filed: August 3, 2011
    Publication date: February 7, 2013
    Inventors: Yanxiang Liu, Xiaodong Yang, Gan Wang