Patents by Inventor Lap Chan

Lap Chan 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: 8237531
    Abstract: An inductor circuit with high quality (Q) factor includes a primary inductor and a compensation sub-circuit. The compensation sub-circuit is electrically isolated from the primary inductor. The compensation sub-circuit is magnetically coupled with the primary inductor to compensate the loss in the primary inductor.
    Type: Grant
    Filed: December 31, 2007
    Date of Patent: August 7, 2012
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Ping Qiu, Chirn Chye Boon, Johnny Kok Wai Chew, Kiat Seng Yeo, Manh Anh Do, Lap Chan, Suh Fei Lim
  • Publication number: 20120034745
    Abstract: A transistor which includes halo regions disposed in a substrate adjacent to opposing sides of the gate. The halo regions have upper and lower regions. The upper region is a crystalline region with excess vacancies and the lower region is an amorphous region. Source/drain diffusion regions are disposed in the halo regions. The source/drain diffusion regions overlap the upper and lower halo regions. This architecture offers the minimal extension resistance as well as minimum lateral diffusion for better CMOS device scaling.
    Type: Application
    Filed: October 19, 2011
    Publication date: February 9, 2012
    Applicant: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Benjamin COLOMBEAU, Sai Hooi YEONG, Francis BENISTANT, Bangun INDAJANG, Lap CHAN
  • Patent number: 8053340
    Abstract: A transistor which includes halo regions disposed in a substrate adjacent to opposing sides of the gate. The halo regions have upper and lower regions. The upper region is a crystalline region with excess vacancies and the lower region is an amorphous region. Source/drain diffusion regions are disposed in the halo regions. The source/drain diffusion regions overlap the upper and lower halo regions. This architecture offers the minimal extension resistance as well as minimum lateral diffusion for better CMOS device scaling.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: November 8, 2011
    Assignees: National University of Singapore, Globalfoundries Singapore Pte. Ltd.
    Inventors: Benjamin Colombeau, Sai Hooi Yeong, Francis Benistant, Bangun Indajang, Lap Chan
  • Patent number: 7935632
    Abstract: Formation of metal pipes resulting from formation of metal silicide contacts are reduced or avoided. To reduce formation of metal pipes, an epitaxial layer is formed over the diffusion region on which the metal silicide contact is formed. The epitaxial layer reduces defects which enhances diffusion of metal atoms or molecules.
    Type: Grant
    Filed: November 6, 2007
    Date of Patent: May 3, 2011
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Wei Hua Tong, Lap Chan, K. Suresh Kumar, Miow Chin Tan
  • Patent number: 7932152
    Abstract: A method of forming an integrated circuit structure on a substrate, the substrate includes a primary region and a secondary region. A first layer of a first material of a first thickness is formed over the substrate. A portion of the first layer is removed over the primary region to expose the substrate. The structure is exposed to an oxidizing medium. This forms a second layer, for example, of an oxide material primary region of the substrate. The second layer has a second thickness. Additionally, at least a portion of said first layer is converted to a third layer, for example, of an oxynitride material. The third layer has a third thickness.
    Type: Grant
    Filed: February 5, 2008
    Date of Patent: April 26, 2011
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Will Wong, Lap Chan, Alan Lek
  • Patent number: 7888224
    Abstract: A method for forming a shallow junction region in a crystalline semiconductor substrate and method for fabricating a semiconductor device having the shallow junction region includes a defect engineering step in which first ions are introduced into a first region of the substrate and vacancies are generated in the first region. During the generation of substrate vacancies, the first region remains substantially crystalline. Interstitial species are generated in a second region and second ions are introduced into the second region to capture the interstitial species. Laser annealing is used to activate dopant species in the first region and repair implantation damage in the second region. The defect engineering process creates a vacancy-rich surface region in which source and drain extension regions having high dopant activation and low sheet resistance are created in an MOS device.
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: February 15, 2011
    Assignees: Nanyang Technological University, Chartered Semiconductor Manufacturing Ltd., National University Of Singapore
    Inventors: Kuang Kian Ong, Sai Hooi Yeong, Kin Leong Pey, Lap Chan, Yung Fu Chong
  • Publication number: 20100169159
    Abstract: Methods, systems, and computer program products for performing the method are provided. The method includes receiving in a customer relationship management (CRM) application, data from a communication made by a first person using a social interaction application that allows third party access to communications. The method also includes assigning based on the data, a sentiment indicator to the communication according to a predefined scale and generating at least one output to the first person using the CRM application in response to receiving the data, the output based on the sentiment indicator.
    Type: Application
    Filed: December 30, 2008
    Publication date: July 1, 2010
    Inventors: Nicholas Rose, Lap Chan, Qin He, Ashish Kothari, Guatam Dharamshi, Narendra Penagulur
  • Publication number: 20100146452
    Abstract: A method and a system are described that involve a graphical user interface (GUI) for provisioning and editing of an account's business information in an interaction center. In one embodiment, the GUI includes a navigation panel and a set of predefined navigation links in the navigation panel. The GUI further includes a main screen that displays business information for an account in response to selecting a navigation link from the set of predefined navigation links and an editable table that contains the business information for the account, wherein the editable table is displayed in the main screen. In another embodiment, the method includes selecting a navigation link from a set of predefined navigation links in a navigation panel. The method further includes displaying business information for an account, within a main screen, in response to selecting the navigation link. And finally, editing the displayed business information according to requests of the account.
    Type: Application
    Filed: December 4, 2008
    Publication date: June 10, 2010
    Inventors: NICHOLAS ROSE, Lap Chan, Gautam Dharamshi, Qin He
  • Publication number: 20100124809
    Abstract: A method for forming a shallow junction region in a crystalline semiconductor substrate and method for fabricating a semiconductor device having the shallow junction region includes a defect engineering step in which first ions are introduced into a first region of the substrate and vacancies are generated in the first region. During the generation of substrate vacancies, the first region remains substantially crystalline. Interstitial species are generated in a second region and second ions are introduced into the second region to capture the interstitial species. Laser annealing is used to activate dopant species in the first region and repair implantation damage in the second region. The defect engineering process creates a vacancy-rich surface region in which source and drain extension regions having high dopant activation and low sheet resistance are created in an MOS device.
    Type: Application
    Filed: November 14, 2008
    Publication date: May 20, 2010
    Inventors: Kuang Kian Ong, Sai Hooi Yeong, Kin Leong Pey, Lap Chan, Yung Fu Chong
  • Patent number: 7573081
    Abstract: A new method is provided for creating an inductor on the surface of a silicon substrate. The invention provides overlying layers of oxide fins beneath a metal inductor. The oxide fins provide the stability support for the overlying metal inductor while also allowing horizontal air columns to simultaneously exist underneath the inductor. Overlying layers of air cavities that are spatially inserted between the created overlying layers of oxide fins can be created under the invention by repetitive application of the mask used. The presence of the air wells on the surface of the substrate significantly reduces parasitic capacitances and series resistance of the inductor associated with the substrate.
    Type: Grant
    Filed: September 11, 2006
    Date of Patent: August 11, 2009
    Assignees: Chartered Semiconductor Manufacturing Ltd., National University of Singapore
    Inventors: Lap Chan, Kok Wai Johnny Chew, Cher Liang Cha, Chee Tee Chua
  • Publication number: 20090197387
    Abstract: A method of forming an integrated circuit structure on a substrate, the substrate includes a primary region and a secondary region. A first layer of a first material of a first thickness is formed over the substrate. A portion of the first layer is removed over the primary region to expose the substrate. The structure is exposed to an oxidizing medium. This forms a second layer, for example, of an oxide material primary region of the substrate. The second layer has a second thickness. Additionally, at least a portion of said first layer is converted to a third layer, for example, of an oxynitride material. The third layer has a third thickness.
    Type: Application
    Filed: February 5, 2008
    Publication date: August 6, 2009
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD.
    Inventors: Will WONG, Lap CHAN, Alan LEK
  • Patent number: 7570144
    Abstract: An integrated transformer structure includes a first coil element associated with a transverse axis, the first coil element having at least one turn. The first coil element includes a first portion provided on a first lateral level, and a second portion provided on a second lateral level. The first and second lateral levels being mutually spaced apart along said transverse axis. The first and second portions being displaced laterally from said axis by different respective distances. At least one crossover portion of the first coil element, in which the first coil element being configured to provide a conducting path through at least a portion of the first portion of the first coil element to the crossover portion, through the crossover portion and subsequently through at least a portion of the second portion of the first coil element, in which any change of flow direction along said path is less than 90° in a lateral direction.
    Type: Grant
    Filed: May 18, 2007
    Date of Patent: August 4, 2009
    Assignees: Chartered Semiconductor Manufacturing, Ltd., Nanyang Technological University
    Inventors: Chee Chong Lim, Kok Wai Chew, Kiat Seng Yeo, Suh Fei Lim, Manh Anh Do, Lap Chan
  • Publication number: 20090167466
    Abstract: An inductor circuit with high quality (Q) factor includes a primary inductor and a compensation sub-circuit. The compensation sub-circuit is electrically isolated from the primary inductor. The compensation sub-circuit is magnetically coupled with the primary inductor to compensate the loss in the primary inductor.
    Type: Application
    Filed: December 31, 2007
    Publication date: July 2, 2009
    Applicants: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD., NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Ping QIU, Chirn Chye BOON, Johnny Kok Wai CHEW, Kiat Seng YEO, Manh Anh DO, Lap CHAN, Suh Fei LIM
  • Publication number: 20090114997
    Abstract: Formation of metal pipes resulting from formation of metal silicide contacts are reduced or avoided. To reduce formation of metal pipes, an epitaxial layer is formed over the diffusion region on which the metal silicide contact is formed. The epitaxial layer reduces defects which enhances diffusion of metal atoms or molecules.
    Type: Application
    Filed: November 6, 2007
    Publication date: May 7, 2009
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD.
    Inventors: Wei Hua TONG, Lap CHAN, K. Suresh KUMAR, Miow Chin TAN
  • Publication number: 20090087971
    Abstract: A transistor which includes halo regions disposed in a substrate adjacent to opposing sides of the gate. The halo regions have upper and lower regions. The upper region is a crystalline region with excess vacancies and the lower region is an amorphous region. Source/drain diffusion regions are disposed in the halo regions. The source/drain diffusion regions overlap the upper and lower halo regions. This architecture offers the minimal extension resistance as well as minimum lateral diffusion for better CMOS device scaling.
    Type: Application
    Filed: September 27, 2007
    Publication date: April 2, 2009
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD.
    Inventors: Benjamin COLOMBEAU, Sai Hooi YEONG, Francis BENISTANT, Bangun INDAJANG, Lap CHAN
  • Publication number: 20080284552
    Abstract: An integrated transformer structure includes a first coil element associated with a transverse axis, the first coil element having at least one turn. The first coil element includes a first portion provided on a first lateral level, and a second portion provided on a second lateral level. The first and second lateral levels being mutually spaced apart along said transverse axis. The first and second portions being displaced laterally from said axis by different respective distances. At least one crossover portion of the first coil element, in which the first coil element being configured to provide a conducting path through at least a portion of the first portion of the first coil element to the crossover portion, through the crossover portion and subsequently through at least a portion of the second portion of the first coil element, in which any change of flow direction along said path is less than 90° in a lateral direction.
    Type: Application
    Filed: May 18, 2007
    Publication date: November 20, 2008
    Applicants: Chartered Semiconductor Manufacturing, Ltd., Nanyang Technological University
    Inventors: Chee Chong Lim, Kok Wai Chew, Kiat Seng Yeo, Suh Fei Lim, Manh Anh Do, Lap Chan
  • Publication number: 20080284553
    Abstract: Embodiments of the invention provide a transformer comprising: a first coil element having a transverse axis along a transverse direction, the first coil element having p turns where p is greater than or equal to 1; and a second coil element having a transverse axis generally parallel to the transverse axis of the first coil element, the second coil element having n turns, where n is greater than or equal to 5 p; wherein the first and second coil elements are arranged to provide electromagnetic coupling between the coil elements along a portion of a length of the second coil element in both a transverse direction parallel to the transverse axes and a lateral direction, wherein the lateral direction is a direction normal to the transverse axes.
    Type: Application
    Filed: July 19, 2007
    Publication date: November 20, 2008
    Applicants: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD., NANYANG TECHNOLOGICAL UNIVERSITY
    Inventors: Chee Chong LIM, Kok Wai CHEW, Kiat Seng YEO, Suh Fei LIM, Manh Anh DO, Lap CHAN
  • Patent number: 7382027
    Abstract: A CMOS RF device and a method to fabricate said device with low gate contact resistance are described. Conventional MOS transistor is first formed with isolation regions, poly-silicon gate structure, sidewall spacers around poly gate, and implanted source/drain with lightly and heavily doped regions. A silicon dioxide layer such as TEOS is deposited, planarized with chemical mechanical polishing (CMP) to expose the gate and treated with dilute HF etchant to recess the silicon dioxide layer below the surface of the gate. Silicon nitride is then deposited and planarized with CMP and then etched except around the gates, using a oversize poly-silicon gate mask. Inter-level dielectric mask is then deposited, contact holes etched, and contact metal is deposited to form the transistor. During contact hole etch over poly-silicon gate, silicon nitride around the poly gate acts as an etch stop.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: June 3, 2008
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Purakh Raj Verma, Sanford Chu, Lap Chan, Yelehanka Pradeep, Kai Shao, Jia Zhen Zheng
  • Patent number: 7313780
    Abstract: A trial semiconductor photomask design having discontinuity points is provided, and each of the discontinuity points is treated as simulated light sources. Simulated light from each of the simulated light sources is focused, and a composite image intensity of the focused simulated light is calculated to verify the trial semiconductor photomask design. The trial semiconductor photomask design is sharpened. A photomask design specification is generated for use in fabricating such a photomask.
    Type: Grant
    Filed: March 10, 2005
    Date of Patent: December 25, 2007
    Assignee: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Andrew Khoh, Byong-Il Choi, Lap Chan, Ganesh Samudra, Yihong Wu
  • Patent number: 7250669
    Abstract: A first method of reducing semiconductor device substrate effects comprising the following steps. O+or O2+are selectively implanted into a silicon substrate to form a silicon-damaged silicon oxide region. One or more devices are formed over the silicon substrate proximate the silicon-damaged silicon oxide region within at least one upper dielectric layer. A passivation layer is formed over the at least one upper dielectric layer. The passivation layer and the at least one upper dielectric layer are patterned to form a trench exposing a portion of the silicon substrate over the silicon-damaged silicon oxide region. The silicon-damaged silicon oxide region is selectively etched to form a channel continuous and contiguous with the trench whereby the channel reduces the substrate effects of the one or more semiconductor devices.
    Type: Grant
    Filed: August 2, 2004
    Date of Patent: July 31, 2007
    Assignee: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Lap Chan, Sanford Chu, Chit Hwei Ng, Purakh Verma, Jia Zhen Zheng, Johnny Chew, Choon Beng Sia