Patents by Inventor Robert C. Chen

Robert C. Chen 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: 8156479
    Abstract: A system and method for monitoring dynamic scopes in a runtime environment is disclosed. The system and method utilizes an algorithm which may be applied to both synchronous and asynchronous invocations. The method comprises determining an initial scope of a source component, the initial scope being a scope of the source component upon providing a synchronous call to invoke a target component. The scope declaration specified by the target component is determined. A resultant scope present upon invocation of the target component is then determined. The resultant scope is determined based on the initial scope of the source component and the scope declaration specified by the target component. A record is stored in a centralized location identifying the resultant scope, and the target component as a participant in the resultant scope.
    Type: Grant
    Filed: December 7, 2007
    Date of Patent: April 10, 2012
    Assignee: International Business Machines Corporation
    Inventors: Pamela H. Fong, Chendong Zou, Robert C. Chen, Edwin V. Sapugay
  • Publication number: 20090150869
    Abstract: A system and method for monitoring dynamic scopes in a runtime environment is disclosed. The system and method utilizes an algorithm which may be applied to both synchronous and asynchronous invocations. The method comprises determining an initial scope of a source component, the initial scope being a scope of the source component upon providing a synchronous call to invoke a target component. The scope declaration specified by the target component is determined. A resultant scope present upon invocation of the target component is then determined. The resultant scope is determined based on the initial scope of the source component and the scope declaration specified by the target component. A record is stored in a centralized location identifying the resultant scope, and the target component as a participant in the resultant scope.
    Type: Application
    Filed: December 7, 2007
    Publication date: June 11, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Pamela H. Fong, Chendong Zou, Robert C. Chen, Edwin V. Sapugay
  • Patent number: 6522013
    Abstract: Punch-through vias are filled by initially depositing a thin, conformal layer of titanium nitride by chemical vapor deposition to cover an exposed upper surface of a lower metal feature, e.g. portions exposed by penetrating and undercutting an anti-reflective coating. A metal such as tungsten is subsequently deposited to fill the punch-through via. Embodiments include thermal decomposition of an organic-titanium compound, such as tetrakis-dimethylamino titanium, and treating the deposited titanium nitride in an H2/N2 plasma to lower its resistivity. Moreover, the thickness of the anti-reflective coating can be reduced and the process window for etching the via widened.
    Type: Grant
    Filed: August 19, 1998
    Date of Patent: February 18, 2003
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Robert C Chen, Jeffrey A. Shields, Robert Dawson, Khanh Tran
  • Patent number: 6472751
    Abstract: A dielectric interlayer is formed over a semiconductor substrate comprising at least one active region. The exposed upper surface of the dielectric interlayer is treated with nitrogen to form a nitrided barrier layer thereon. At least one hydrogen-containing dielectric layer is formed over the dielectric interlayer having the nitrided barrier layer thereon. The nitrided barrier layer serves as a barrier to diffusion of hydrogen from the at least one hydrogen-containing dielectric layer into the dielectric interlayer, thereby preventing a decrease in hot carrier injection reliability.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: October 29, 2002
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Robert C. Chen, Jeffrey A. Shields, Robert Dawson, Khanh Tran
  • Patent number: 6194328
    Abstract: A dielectric interlayer is formed over a semiconductor substrate comprising at least one active region. The exposed upper surface of the dielectric interlayer is treated with nitrogen to form a nitrided barrier layer thereon. At least one hydrogen-containing dielectric layer is formed over the dielectric interlayer having the nitrided barrier layer thereon. The nitrided barrier layer serves as a barrier to diffusion of hydrogen from the at least one hydrogen-containing dielectric layer into the dielectric interlayer, thereby preventing a decrease in hot carrier injection reliability.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: February 27, 2001
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Robert C. Chen, Jeffrey A. Shields, Robert Dawson, Khanh Tran
  • Patent number: 6159851
    Abstract: Borderless vias are filled by initially depositing a thin, conformal layer of titanium nitride by chemical vapor deposition to cover an undercut, etched side surface of a lower metal feature. A metal, such as tungsten, is subsequently deposited to fill the borderless via. Embodiments include thermal decomposition of an organic-titanium compound, such as tetrakis-dimethylamino titanium, and treating the deposited titanium nitride in an H.sub.2 /N.sub.2 plasma to lower its resistivity.
    Type: Grant
    Filed: April 21, 1999
    Date of Patent: December 12, 2000
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Robert C. Chen, David C. Greenlaw, John A. Iacoponi
  • Patent number: 6060384
    Abstract: Spin-on HSQ is employed to gap fill metal layers in manufacturing a high density, multi-metal layer semiconductor device. The degradation of deposited HSQ layers during formation of borderless vias, as from photoresist stripping using an O.sub.2 -containing plasma, is overcome by treating the degraded HSQ layer with an H.sub.2 -containing plasma to restore the dangling Si--H bonds, thereby passivating the surface and preventing moisture absorption, before filling the via opening with conductive material, such as a barrier layer.
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: May 9, 2000
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Robert C. Chen, Jeffrey A. Shields, Robert Dawson, Khanh Tran
  • Patent number: 6043147
    Abstract: Patterned metal layers are gap filled with HSQ and passivated to stabilize the dielectric constant of the HSQ substantially at the as-deposited value prior to oxide deposition by PECVD and planarization. Passivation and stabilization are effected by treating the as--deposited HSQ layer in a silane (SiH.sub.4) containing plasma.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: March 28, 2000
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Robert C. Chen, Jeffrey A. Shields, Robert Dawson, Khanh Tran
  • Patent number: 5973387
    Abstract: Leading and trailing metal features in a dense array of conductive lines bordering an open field are formed with side surfaces that gradually taper in the direction of the open field toward an underlying substrate. Each side surface bordering the open field is formed with a sufficient slope to reduce cracking of the subsequently deposited dielectric gap fill layer at high stress areas bordering the open field.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: October 26, 1999
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Robert C. Chen, Jeffrey A. Shields, Khanh Tran
  • Patent number: 5969425
    Abstract: Borderless vias are filled by initially depositing a thin, conformal layer of titanium nitride by chemical vapor deposition to cover an undercut, etched side surface of a lower metal feature. A metal, such as tungsten, is subsequently deposited to fill the borderless via. Embodiments include thermal decomposition of an organic-titanium compound, such as tetrakis-dimethylamino titanium, and treating the deposited titanium nitride in an H.sub.2 /N.sub.2 plasma to lower its resistivity.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: October 19, 1999
    Assignee: Advanced Micro Devices, Inc.
    Inventors: Robert C. Chen, David C. Greenlaw, John A. Iacoponi
  • Patent number: 5866945
    Abstract: Spin-on HSQ is employed to gap fill metal layers in manufacturing a high density, multi-metal layer semiconductor device. The degradation of deposited HSQ layers during formation of borderless vias, as from photoresist stripping using an O.sub.2 -containing plasma, is overcome by treating the degraded HSQ layer with an H.sub.2 -containing plasma to restore the dangling Si--H bonds, thereby passivating the surface and preventing moisture absorption, before filling the via opening with conductive material, such as a barrier layer.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: February 2, 1999
    Assignee: Advanced Micro Devices
    Inventors: Robert C. Chen, Jeffrey A. Shields, Robert Dawson, Khanh Tran