Patents Assigned to Chartered Semiconductor Manufacturing Ltd.
  • Patent number: 7863141
    Abstract: Structures and methods of fabricating isolation regions for a semiconductor device. An example method comprises the following. We form one or more buried doped regions in a substrate. We form a stressor layer over the substrate. We form a strained layer over the stressor layer. We form STI trenches down through the strained layer and the stressor layer to as least partially expose the buried doped regions. We etch the buried doped regions to form at least a buried cavity in communication with the STI trenches. In the first and second embodiments, we fill only the STI trenches with insulation material to form isolation regions and form voids in the cavities. In the third and fourth embodiments, we fill both the STI trenches and the cavities with insulation material.
    Type: Grant
    Filed: July 25, 2006
    Date of Patent: January 4, 2011
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventor: Jin Ping Liu
  • Publication number: 20100320503
    Abstract: The present invention relates to semiconductor integrated circuits. More particularly, but not exclusively, the invention relates to strained channel complimentary metal oxide semiconductor (CMOS) transistor structures and fabrication methods thereof. A strained channel CMOS transistor structure comprises a source stressor region comprising a source extension stressor region; and a drain stressor region comprising a drain extension stressor region; wherein a strained channel region is formed between the source extension stressor region and the drain extension stressor region, a width of said channel region being defined by adjacent ends of said extension stressor regions.
    Type: Application
    Filed: August 9, 2010
    Publication date: December 23, 2010
    Applicants: CHARTERED SEMICONDUCTOR MANUFACTURING LTD., INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Yung Fu Chong, Zhijiong Luo, Judson Holt
  • Publication number: 20100320529
    Abstract: A method of manufacture of an integrated circuit system includes: providing a semiconductor substrate having an active region, implanted with impurities of a first type at a first concentration; forming an isolation region around the active region; forming a parasitic transistor by applying a gate electrode, implanted with impurities of a second type at a second concentration, over the active region and the isolation region; and applying an isolation edge implant, with the impurities of the first type at a third concentration greater than or equal to the second concentration, for suppressing the parasitic transistor.
    Type: Application
    Filed: June 19, 2009
    Publication date: December 23, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING LTD.
    Inventors: Yemin Dong, Purakh Raj Verma, Xin Zou, Chao Cheng, Shao-fu Sanford Chu
  • Patent number: 7855143
    Abstract: The present invention relates to an interconnect capping layer and a method of fabricating a capping layer for an interconnect. In particular, but not exclusively, the invention relates to a capping layer for a copper interconnect used to interconnect elements in an integrated circuit. Embodiments of the invention provide a method of fabricating a capping layer for an interconnect in an integrated circuit, comprising the steps of: forming an interconnect comprising upper and lower lateral surfaces; forming a lateral diffusion stop layer between said lateral surfaces; and forming a capping layer.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: December 21, 2010
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Huang Liu, Bangun Indajang, Wei Lu
  • Publication number: 20100315884
    Abstract: A non-volatile memory device (and method of manufacture) is disclosed and structured to enable a write operation using an ionization impact process in a first portion of the device and a read operation using a tunneling process in a second portion of the device. The non-volatile memory device (1) increases hot carrier injection efficiency, (2) decreases power consumption, and (3) enables voltage and device scaling in the non-volatile memory devices.
    Type: Application
    Filed: June 16, 2009
    Publication date: December 16, 2010
    Applicant: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Eng Huat Toh, Chung Foong Tan, Shyue Seng Tan, Jae Gon Lee, Elgin Quek
  • Patent number: 7846800
    Abstract: A circuit having a circuit control terminal, a primary circuit and a protection circuit is provided. The primary circuit includes a primary control terminal and a primary gate oxide of a thickness T1. The primary control terminal is coupled to the circuit control terminal. The protection circuit having a protection control terminal is coupled to the primary circuit. The protection circuit includes a protection gate oxide of a second thickness T2 which is less than T1. The protection gate oxide reduces plasma induced damage in the primary circuit.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: December 7, 2010
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Chung Foong Tan, Jae Gon Lee, Lee Wee Teo, Elgin Quek, Chunshan Yin
  • Patent number: 7847402
    Abstract: A chip is provided which includes a back-end-of-line (“BEOL”) interconnect structure. The BEOL interconnect structure includes a plurality of interlevel dielectric (“ILD”) layers which include a dielectric material curable by ultraviolet (“UV”) radiation. A plurality of metal interconnect wiring layers are embedded in the plurality of ILD layers. Dielectric barrier layers cover the plurality of metal interconnect wiring layers, the dielectric barrier layers being adapted to reduce diffusion of materials between the metal interconnect wiring layers and the ILD layers. One of more of the dielectric barrier layers is adapted to retain compressive stress while withstanding UV radiation sufficient to cure the dielectric material of the ILD layers, making the BEOL structure better capable of avoiding deformation due to thermal and/or mechanical stress.
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: December 7, 2010
    Assignees: International Business Machines Corporation, Chartered Semiconductor Manufacturing, Ltd, Samsung Electronics Co., Ltd
    Inventors: Darryl D. Restaino, Griselda Bonilla, Christos D. Dimitrakopoulos, Stephen M. Gates, Jae H. Kim, Michael W. Lane, Xiao H. Liu, Son V. Nguyen, Thomas M. Shaw, Johnny Widodo
  • Patent number: 7846805
    Abstract: A structure and a process for a self-aligned vertical PNP transistor for high performance SiGe CBiCMOS process. Embodiments include SiGe CBiCMOS with high-performance SiGe NPN transistors and PNP transistors. As the PNP transistors and NPN transistors contained different types of impurity profile, they need separate lithography and doping step for each transistor. The process is easy to integrate with existing CMOS process to save manufacturing time and cost. As plug-in module, fully integration with SiGe BiCMOS processes. High doping Polysilicon Emitter can increase hole injection efficiency from emitter to base, reduce emitter resistor, and form very shallow EB junction. Self-aligned N+ base implant can reduce base resistor and parasitical EB capacitor. Very low collector resistor benefits from BP layer. PNP transistor can be Isolated from other CMOS and NPN devices by BNwell, Nwell and BN+ junction.
    Type: Grant
    Filed: February 9, 2009
    Date of Patent: December 7, 2010
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Shaoqiang Zhang, Purakh Raj Verma, Sanford Chu
  • Publication number: 20100301461
    Abstract: Embodiments relate to a method for forming reliable interconnects by the use of a device layer that can serve as a barrier or an etch stop layer, among other applications. The device layer is UV resistant in that its dielectric constant and stress remain stable or relatively stable when subjected to UV curing.
    Type: Application
    Filed: May 27, 2009
    Publication date: December 2, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD.
    Inventors: Huang Liu, Jack Cheng, Wei Lu, Yihua Wang, Meisheng Zhou
  • Publication number: 20100304556
    Abstract: A method of manufacture of an integrated circuit system includes: providing a mesa over a substrate; forming a trench in the substrate adjacent the mesa; forming a second gate and a charge storage material along a trench sidewall; and forming a first gate from the mesa.
    Type: Application
    Filed: May 26, 2009
    Publication date: December 2, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING LTD.
    Inventors: Chunshan Yin, Jae Gon Lee, Shyue Seng Tan, Elgin Kiok Boone Quek, Chung Foong Tan, Lee Wee Teo
  • Patent number: 7843673
    Abstract: An antenna diode circuit for discharging static charge accumulated during wafer processing is described. The antenna diode circuit includes first and second junctions coupled to a circuit element and substrate. Between the first and second junctions is a diode circuit path with an antenna diode and at least one diode protection circuit coupled in series. The diode protection circuit reduces or prevents EOS current from flowing through the diode circuit path during an EOS event.
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: November 30, 2010
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Kian Ann Ng, Weng Hong Lai
  • Publication number: 20100297844
    Abstract: A method of manufacture of an integrated circuit system includes: providing a substrate including an active device; forming a through-silicon-via into the substrate; forming an insulation layer over the through-silicon-via to protect the through-silicon-via; forming a contact to the active device after forming the insulation layer; and removing the insulation layer.
    Type: Application
    Filed: May 21, 2009
    Publication date: November 25, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING LTD.
    Inventors: Pradeep Ramachandramurthy Yelehanka, Denise Tan, Chung Meng Lek, Thomas Thiam, Jeffrey C. Lam, Liang-Choo Hsia
  • Publication number: 20100295153
    Abstract: A method of manufacture of an integrated circuit system includes: providing a substrate including front-end-of-line circuitry; forming a first group of metal layers including a first finger and a second finger over the substrate utilizing a first design rule, the first group of metal layers being formed without a finger via; forming a second group of metal layers including a first finger, a second finger, and a finger via over the first group of metal layers utilizing a second design rule that is larger than the first design rule; and interconnecting the first group of metal layers with the second group of metal layers to form a capacitor.
    Type: Application
    Filed: May 22, 2009
    Publication date: November 25, 2010
    Applicant: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Shao-fu Sanford Chu, Shaoqing Zhang, Johnny Kok Wai Chew, Chit Hwei Ng
  • Patent number: 7838372
    Abstract: Methods of manufacturing semiconductor devices and structures thereof are disclosed. In one embodiment, a method of manufacturing a semiconductor device includes forming recesses in a first region and a second region of a workpiece. The first region of the workpiece is masked, and the recesses in the second region of the workpiece are filled with a first semiconductive material. The second region of the workpiece is masked, and the recesses in the first region of the workpiece are filled with a second semiconductive material.
    Type: Grant
    Filed: May 22, 2008
    Date of Patent: November 23, 2010
    Assignees: Infineon Technologies AG, Chartered Semiconductor Manufacturing, Ltd., International Business Machines Corporation, Samsung Electronics Co., Ltd.
    Inventors: Jin-Ping Han, Jong Ho Yang, Chung Woh Lai, Henry Utomo
  • Publication number: 20100289088
    Abstract: An epitaxial semiconductor layer may be formed in a first area reserved for p-type field effect transistors. An ion implantation mask layer is formed and patterned to provide an opening in the first area, while blocking at least a second area reserved for n-type field effect transistors. Fluorine is implanted into the opening to form an epitaxial fluorine-doped semiconductor layer and an underlying fluorine-doped semiconductor layer in the first area. A composite gate stack including a high-k gate dielectric layer and an adjustment oxide layer is formed in the first and second area. P-type and n-type field effect transistors (FET's) are formed in the first and second areas, respectively. The epitaxial fluorine-doped semiconductor layer and the underlying fluorine-doped semiconductor layer compensate for the reduction of the decrease in the threshold voltage in the p-FET by the adjustment oxide portion directly above.
    Type: Application
    Filed: May 14, 2009
    Publication date: November 18, 2010
    Applicants: International Business Machines Corporation, Chartered Semiconductor Manufacturing, Ltd., Infineon Technologies North America Corp.
    Inventors: Weipeng Li, Dae-Gyu Park, Melanie J. Sherony, Jin-Ping Han, Yong Meng Lee
  • Publication number: 20100293516
    Abstract: A method of manufacture of a mask system includes: providing design data; generating a substantially circular optical proximity correction target from the design data; biasing a segment of the substantially circular optical proximity correction target; and generating mask data based on the shape produced by biasing the segment of the substantially circular optical proximity correction target.
    Type: Application
    Filed: May 13, 2009
    Publication date: November 18, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING LTD.
    Inventors: Sia Kim Tan, Gek Soon Chua, Kwee Liang Martin Yeo, Ryan Khoon Khye Chong, Moh Lung Ling
  • Patent number: 7833888
    Abstract: An integrated circuit system that includes: providing a substrate including an active device with a gate top surface exposed; implanting a do pant within the gate to alter the grain size of the gate material; forming a dielectric layer over the active device and the substrate; and annealing the integrated circuit system to transfer the stress of the dielectric layer into the active device.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: November 16, 2010
    Assignee: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Chung Foong Tan, Jae Gon Lee, Lee Wee Teo, Elgin Kiok Boone Quek
  • Patent number: 7833900
    Abstract: The present invention discloses a method of manufacturing an integrated circuit on a semiconductor substrate having a semiconductor device provided thereon, including the steps of forming a copper layer having an overburden of a desired thickness, forming a layer of inert metal on the copper layer, annealing the copper layer and removing the layer of inert metal.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: November 16, 2010
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Lup San Leong, Yong Kong Siew, Liang Choo Hsia
  • Patent number: 7836420
    Abstract: An integrated circuit system comprising: providing a substrate; forming a main feature using a first non-cross-junction assist feature over the substrate; forming the main feature using a second non-cross-junction assist feature, adjacent a location of the first non-cross-junction feature, over the substrate; and forming an integrated circuit having the substrate with the main feature thereover.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: November 16, 2010
    Assignee: Chartered Semiconductor Manufacturing Ltd.
    Inventors: Sia Kim Tan, Qunying Lin, Andrew Khoh
  • Publication number: 20100283101
    Abstract: A method for forming a semiconductor device is presented. The method includes providing a substrate prepared with first and second regions with a first device layer. A second device layer including nanocrystals is also formed. A cover layer is provided over the second device layer. The cover layer is patterned to expose portions of the second device layer in the first and second regions. The exposed portions of the second device layer in the first and second regions are processed to form modified portions. The processing of the exposed portions at least reduces the nanocrystals to a diameter below a threshold diameter in the modified portions. The modified portions are removed.
    Type: Application
    Filed: May 7, 2009
    Publication date: November 11, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD.
    Inventors: Yu CHEN, Jae Gon LEE, Vincent HO, Bangun INDAJANG