Patents by Inventor Wen-Han Hung

Wen-Han Hung 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: 20080206942
    Abstract: A method for fabricating strained-silicon transistors is disclosed. First, a semiconductor substrate is provided and a gate structure and a spacer surrounding the gate structure are disposed on the semiconductor substrate. A source/drain region is then formed in the semiconductor substrate around the spacer, and a first rapid thermal annealing process is performed to activate the dopants within the source/drain region. An etching process is performed to form a recess around the gate structure and a selective epitaxial growth process is performed to form an epitaxial layer in the recess. A second rapid thermal annealing process is performed to redefine the distribution of the dopants within the source/drain region and repair the damaged bonds of the dopants.
    Type: Application
    Filed: February 26, 2007
    Publication date: August 28, 2008
    Inventors: Shyh-Fann Ting, Cheng-Tung Huang, Li-Shian Jeng, Kun-Hsien Lee, Wen-Han Hung, Tzyy-Ming Cheng, Meng-Yi Wu, Tsai-Fu Hsiao, Shu-Yen Chan
  • Patent number: 7410875
    Abstract: A method for fabricating a semiconductor structure is described. A substrate is provided, having thereon a gate structure and a spacer on the sidewall of the gate structure and having therein an S/D extension region beside the gate structure. An opening is formed in the substrate beside the spacer, and then an S/D region is formed in or on the substrate at the bottom of the opening. A metal silicide layer is formed on the S/D region and the gate structure, and then a stress layer is formed over the substrate.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: August 12, 2008
    Assignee: United Microelectronics Corp.
    Inventors: Shyh-Fann Ting, Cheng-Tung Huang, Wen-Han Hung, Li-Shian Jeng, Tzyy-Ming Cheng
  • Publication number: 20080188091
    Abstract: A method for forming a semiconductor device is provided. The method comprises steps of providing a substrate having a first-conductive-type transistor and a second-conductive-type transistor formed thereon and then forming a stress layer over the substrate to conformally cover the first-conductive-type transistor and the second-conductive-type transistor. A cap layer is formed on the stress layer over the first-conductive-type transistor. A modification process is performed. The cap layer is removed.
    Type: Application
    Filed: March 6, 2008
    Publication date: August 7, 2008
    Inventors: SHAO-TA HSU, Teng-Chun Tsai, Neng-Kuo Chen, Hsiu-Lien Liao, Cheng-Han Wu, Wen-Han Hung
  • Publication number: 20080185655
    Abstract: A method for forming a semiconductor device is provided. The method comprises steps of providing a substrate having a first-conductive-type transistor and a second-conductive-type transistor formed thereon and then forming a stress layer over the substrate to conformally cover the first-conductive-type transistor and the second-conductive-type transistor. A cap layer is formed on the stress layer over the first-conductive-type transistor. A modification process is performed. The cap layer is removed.
    Type: Application
    Filed: February 2, 2007
    Publication date: August 7, 2008
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Shao-Ta Hsu, Teng-Chun Tsai, Neng-Kuo Chen, Hsiu-Lien Liao, Cheng-Han Wu, Wen-Han Hung
  • Publication number: 20080179684
    Abstract: The present invention relates to a method of fabricating strained silicon channel complementary metal oxide semiconductor (CMOS) transistor by using an etching process and a planarization process such as a chemical mechanical polishing (CMP) process, and a structure thereof. The present invention is able to resolve the problem of overlap region between the stressed layers. The present invention is also able to improve the process yield and reduce the fabrication cost.
    Type: Application
    Filed: January 29, 2007
    Publication date: July 31, 2008
    Inventors: Chia-Wen Liang, Wen-Han Hung, Cheng-Tung Huang, Kun-Hsien Lee, Shyh-Fann Ting, Li-Shian Jeng, Tzyy-Ming Cheng
  • Publication number: 20080166840
    Abstract: The invention is directed to a method for manufacturing a semiconductor. The method comprises steps of providing a substrate having a gate structure formed thereon and forming a source/drain extension region in the substrate adjacent to the gate structure. A spacer is formed on the sidewall of the gate structure and a source/drain region is formed in the substrate adjacent to the spacer but away from the gate structure. A bevel carbon implantation process is performed to implant a plurality carbon atoms into the substrate and a metal silicide layer is formed on the gate structure and the source/drain region.
    Type: Application
    Filed: January 8, 2007
    Publication date: July 10, 2008
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: SHYH-FANN TING, CHENG-TUNG HUANG, LI-SHIAN JENG, KUN-HSIEN LEE, WEN-HAN HUNG, TZYY-MING CHENG
  • Publication number: 20080142902
    Abstract: A metal-oxide-semiconductor (MOS) transistor device is disclosed. The MOS transistor device comprises a semiconductor substrate; a gate structure on the semiconductor substrate; source/drain regions on the semiconductor substrate adjacent to the gate structure; an ultra-high tensile-stressed nitride film having a hydrogen concentration of less than 1E22 atoms/cm3 covering the gate structure and the source/drain regions; and an inter-layer dielectric (ILD) film over the ultra-high tensile-stressed nitride film.
    Type: Application
    Filed: January 14, 2008
    Publication date: June 19, 2008
    Inventors: Neng-Kuo Chen, Teng-Chun Tsai, Chien-Chung Huang, Tsai-Fu Chen, Wen-Han Hung
  • Publication number: 20080128831
    Abstract: A metal-oxide-semiconductor (MOS) transistor comprising a conductive type MOS transistor, a first etching stop layer, a stress layer and a second etching stop layer is provided. The conductive MOS transistor is disposed on a substrate. The first etching stop layer is covered conformably the conductive type MOS transistor. Furthermore, the stress layer is disposed on the first etching stop layer. The second etching stop layer is disposed on the stress layer.
    Type: Application
    Filed: October 31, 2007
    Publication date: June 5, 2008
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Pei-Yu Chou, Min-Chieh Yang, Wen-Han Hung
  • Publication number: 20080102588
    Abstract: A method for forming a MOS transistor includes providing a substrate having at least a gate structure formed thereon, performing a pre-amorphization (PAI) process to form amorphized regions in the substrate, sequentially performing a co-implantation process, a first ion implantation process, and a first rapid thermal annealing (RTA) process to form lightly doped drains (LDDs), forming spacers on sidewalls of the gate structure, and forming a source/drain.
    Type: Application
    Filed: October 25, 2006
    Publication date: May 1, 2008
    Inventors: Kun-Hsien Lee, Cheng-Tung Huang, Shyh-Fann Ting, Wen-Han Hung, Li-Shian Jeng, Tzyy-Ming Cheng
  • Publication number: 20080099801
    Abstract: A method of manufacturing a MOS transistor device. First, a semiconductor substrate having a gate structure is prepared. The gate structure has two sidewalls and a liner on the sidewalls. Subsequently, a stressed cap layer is formed on the semiconductor substrate, and covers the gate structure and the liner. Next, an activating process is performed. Furthermore, the stressed cap layer is etched to be a salicide block. Afterward, a salicide process is performed to form a silicide layer on the regions that are not covered by the stressed cap layer.
    Type: Application
    Filed: October 25, 2006
    Publication date: May 1, 2008
    Inventors: Kun-Hsien Lee, Cheng-Tung Huang, Wen-Han Hung, Shyh-Fann Ting, Li-Shian Jeng, Tzyy-Ming Cheng, Neng-Kuo Chen, Shao-Ta Hsu, Teng-Chun Tsai, Chien-Chung Huang
  • Publication number: 20080096343
    Abstract: A method of forming a metal-oxide-semiconductor (MOS) device is provided. The method includes the following steps. First, a conductive type MOS transistor is formed on a substrate. Then, a first etching stop layer is formed over the substrate to cover conformably the conductive type MOS transistor. Thereafter, a stress layer is formed over the first etching stop layer. Then, a second etching stop layer is formed over the stress layer.
    Type: Application
    Filed: October 25, 2007
    Publication date: April 24, 2008
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Pei-Yu Chou, Min-Chieh Yang, Wen-Han Hung
  • Publication number: 20080093627
    Abstract: A method of manufacturing a metal-oxide-semiconductor (MOS) transistor device is disclosed. A gate dielectric layer is formed on an active area of a substrate. A gate electrode is patterned on the gate dielectric layer. The gate electrode has vertical sidewalls and a top surface. A liner is formed on the vertical sidewalls of the gate electrode. A nitride spacer is formed on the liner. An ion implanted is performed to form a source/drain region. After salicide process, an STI region that isolates the active area is recessed, thereby forming a step height at interface between the active area and the STI region. The nitride spacer is removed. A nitride cap layer that borders the liner is deposited. The nitride cap layer has a specific stress status.
    Type: Application
    Filed: October 29, 2007
    Publication date: April 24, 2008
    Inventors: Shyh-Fann Ting, Cheng-Tung Huang, Wen-Han Hung, Tzyy-Ming Cheng, Tzer-Min Shen, Yi-Chung Sheng
  • Patent number: 7342284
    Abstract: A method of manufacturing a metal-oxide-semiconductor (MOS) transistor device is disclosed. A gate dielectric layer is formed on an active area of a substrate. A gate electrode is patterned on the gate dielectric layer. The gate electrode has vertical sidewalls and a top surface. A liner is formed on the vertical sidewalls of the gate electrode. A nitride spacer is formed on the liner. An ion implanted is performed to form a source/drain region. After salicide process, an STI region that isolates the active area is recessed, thereby forming a step height at interface between the active area and the STI region. The nitride spacer is removed. A nitride cap layer that borders the liner is deposited. The nitride cap layer has a specific stress status.
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: March 11, 2008
    Assignee: United Microelectronics Corp.
    Inventors: Shyh-Fann Ting, Cheng-Tung Huang, Wen-Han Hung, Tzyy-Ming Cheng, Tzer-Min Shen, Yi-Chung Sheng
  • Publication number: 20080042210
    Abstract: A method of fabricating a semiconductor device is provided. A substrate is first provided, and than several IO devices and several core devices are formed on the substrate, wherein those IO devises include IO PMOS and IO NMOS, and those core devises include core PMOS and core NMOS. Thereafter, a buffer layer is formed on the substrate, and then the buffer layer except a surface of the IO PMOS is removed in order to reduce the negative bias temperature instability (NBTI) of the IO PMOS. Afterwards, a tensile contact etching stop layer (CESL) is formed on the IO NMOS and the core NMOS, and a compressive CESL is formed the core PMOS.
    Type: Application
    Filed: August 18, 2006
    Publication date: February 21, 2008
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Wen-Han Hung, Cheng-Tung Huang, Li-Shian Jeng, Kun-Hsien Lee, Shyh-Fann Ting, Tzyy-Ming Cheng, Chia-Wen Liang
  • Publication number: 20080020523
    Abstract: A method of fabricating a metal-oxide-semiconductor transistor is provided. A first gate structure and a second gate structure are formed on a substrate. The first gate structure has a dimension greater than the second gate structure. Then, first lightly doped drain regions are formed in the substrate on two sides of the first gate structure. A lightly doped drain annealing process is performed. Next, second lightly doped drain regions are formed in the substrate on two sides of the second gate structure. First spacers are formed on the sidewalls of the first gate structure and second spacers are formed on the sidewalls of the second gate structure at the same time. Afterwards, first source/drain regions are formed in the substrate on two sides of the first spacers and second source/drain regions are formed in the substrate on two sides of the second spacers. A source/drain annealing process is performed.
    Type: Application
    Filed: July 19, 2006
    Publication date: January 24, 2008
    Inventors: Kun-Hsien Lee, Cheng-Tung Huang, Li-Shian Jeng, Wen-Han Hung, Shyh-Fann Ting, Jing-Yi Huang, Tzyy-Ming Cheng, Chia-Wen Liang
  • Publication number: 20080020588
    Abstract: A method of forming a semiconductor device. The method comprises steps of providing a substrate having a first transistor, a second transistor and non-salicide device formed thereon and the conductive type of the first transistor is different from that of the second transistor. A buffer layer is formed over the substrate and a tensile material layer is formed over the buffer layer. A portion of the tensile material layer over the second transistor is thinned and a spike annealing process is performed. The tensile material layer is removed to expose the buffer layer over the substrate and a patterned salicide blocking layer is formed over the non-salicide device. A salicide process is performed for forming a salicide layer on a portion of the first transistor and the second transistor.
    Type: Application
    Filed: July 20, 2006
    Publication date: January 24, 2008
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Wen-Han Hung, Cheng-Tung Huang, Kun-Hsien Lee, Shyh-Fann Ting, Li-Shian Jeng, Tzyy-Ming Cheng, Chia-Wen Liang, Neng-Kuo Chen
  • Patent number: 7303962
    Abstract: A complementary metal-oxide-semiconductor (CMOS) device comprising a substrate, a first type of metal-oxide-semiconductor (MOS) transistor, a second type of MOS transistor, an etching stop layer, a first stress layer and a second stress layer is provided. The substrate has a first and a second active region. The first active region is isolated from the second active region through an isolation structure. The first type of MOS transistor is disposed in the first active region of the substrate and the second type of MOS transistor is disposed in the second active region of the substrate. The etching stop layer covers conformably the first type of MOS transistor, the second type of MOS transistor and the isolation structure. The first stress layer is disposed on the etching stop layer in the first active region and the second stress layer is disposed on the etching stop layer in the second active region.
    Type: Grant
    Filed: November 16, 2005
    Date of Patent: December 4, 2007
    Assignee: United Microelectronics Corp.
    Inventors: Pei-Tu Chou, Min-Chieh Yang, Wen-Han Hung
  • Publication number: 20070275530
    Abstract: A semiconductor structure and a method of fabricating the same are provided. A substrate having a metal-oxide-semiconductor transistor is provided. The metal-oxide-semiconductor transistor includes a gate, a source/drain extended region, a first spacer, a liner, a source/drain and a metal silicide layer. A portion of the first spacer is removed to form a second spacer by performing an etching process. A contact etching stop layer is formed over the substrate.
    Type: Application
    Filed: May 24, 2006
    Publication date: November 29, 2007
    Inventors: Wen-Han Hung, Cheng-Tung Huang, Da-Ching Chiou, Shyh-Fann Ting, Li-Shian Jeng, Kun-Hsien Lee, Tzermin Shen, Tzyy-Ming Cheng
  • Publication number: 20070257321
    Abstract: A method for fabricating a semiconductor structure is described. A substrate is provided, having thereon a gate structure and a spacer on the sidewall of the gate structure and having therein an S/D extension region beside the gate structure. An opening is formed in the substrate beside the spacer, and then an S/D region is formed in or on the substrate at the bottom of the opening. A metal silicide layer is formed on the S/D region and the gate structure, and then a stress layer is formed over the substrate.
    Type: Application
    Filed: July 13, 2007
    Publication date: November 8, 2007
    Inventors: Shyh-Fann Ting, Cheng-Tung Huang, Wen-Han Hung, Li-Shian Jeng, Tzyy-Ming Cheng
  • Publication number: 20070252218
    Abstract: A semiconductor device is provided herein, which includes a substrate having a first-type MOS transistor, an input/output (I/O) second-type MOS transistor, and a core second-type MOS transistor formed thereon. The semiconductor device further includes a first stress layer and a second stress layer. The first stress layer is disposed on the first-type MOS transistor, or on the first-type MOS transistor and the I/O second-type MOS transistor. The second stress layer is disposed on the core second-type MOS transistor.
    Type: Application
    Filed: July 12, 2007
    Publication date: November 1, 2007
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Kun-Hsien Lee, Cheng-Tung Huang, Wen-Han Hung, Shyh-Fann Ting, Li-Shian Jeng, Tzyy-Ming Cheng, Chia-Wen Lang