Patents by Inventor Tzyy-Ming Cheng

Tzyy-Ming Cheng 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: 20230326980
    Abstract: A high electron mobility transistor (HEMT) device including the following components is provided. A gate electrode is located on a barrier layer. A source electrode is located on the first side of the gate electrode. A drain electrode is located on the second side of the gate. A source field plate is connected to the source electrode. The source field plate includes first, second, and third field plate portions. The first field plate portion is connected to the source electrode and is located on the first side of the gate electrode. The second field plate portion is located on the second side of the gate electrode. The third field plate portion is connected to the end of the first field plate portion and the end of the second field plate portion. The source field plate has a first opening located directly above the gate electrode.
    Type: Application
    Filed: May 5, 2022
    Publication date: October 12, 2023
    Applicant: United Microelectronics Corp.
    Inventors: Chi-Hsiao Chen, Tzyy-Ming Cheng, Wei Jen Chen, Kai Lin Lee
  • Patent number: 9954082
    Abstract: A method of fabricating an embedded nonvolatile memory device is disclosed. A semiconductor substrate having thereon a fin body protruding from an isolation layer is provided. A charge storage layer crossing the fin body is formed. An inter-layer dielectric layer is deposited on the semiconductor substrate. The inter-layer dielectric layer is polished to expose a top surface of the charge storage layer. The charge storage layer is then recess etched and cut into separate charge storage structures. A high-k dielectric layer is formed on the charge storage structures. A word line is formed on the high-k dielectric layer.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: April 24, 2018
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Hao-Ming Lee, Sheng-Hao Lin, Tzyy-Ming Cheng
  • Patent number: 9281400
    Abstract: A method of fabricating a semiconductor device with fin-shaped structures includes respectively forming first fin-shaped structures in a first region and a second region of a semiconductor substrate, depositing a dielectric layer to completely cover the first fin-shaped structures, removing the first fin-shaped structures in the second region so as to form trenches in the dielectric layer, and performing an in-situ doping epitaxial growth process so as to respectively form second fin-shaped structures in the trenches.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: March 8, 2016
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Huai-Tzu Chiang, Sheng-Hao Lin, Hsin-Yu Chen, Hao-Ming Lee, Tzyy-Ming Cheng
  • Publication number: 20150380512
    Abstract: A method for manufacturing a metal gate structure includes providing a substrate having a high-K gate dielectric layer and a bottom barrier layer sequentially formed thereon, forming a work function metal layer on the substrate, and performing an anneal treatment to the work function metal layer in-situ.
    Type: Application
    Filed: September 9, 2015
    Publication date: December 31, 2015
    Inventors: Chan-Lon Yang, Chi-Mao Hsu, Chun-Yuan Wu, Tzyy-Ming Cheng, Shih-Fang Tzou, Chin-Fu Lin, Hsin-Fu Huang, Min-Chuan Tsai
  • Patent number: 9166020
    Abstract: A method for manufacturing a metal gate structure includes providing a substrate having a high-K gate dielectric layer and a bottom barrier layer sequentially formed thereon, forming a work function metal layer on the substrate, and performing an anneal treatment to the work function metal layer in-situ.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: October 20, 2015
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chan-Lon Yang, Chi-Mao Hsu, Chun-Yuan Wu, Tzyy-Ming Cheng, Shih-Fang Tzou, Chin-Fu Lin, Hsin-Fu Huang, Min-Chuan Tsai
  • Patent number: 8823109
    Abstract: A transistor structure is provided in the present invention. The transistor structure includes: a substrate comprising a N-type well, a gate disposed on the N-type well, a spacer disposed on the gate, a first lightly doped region in the substrate below the spacer, a P-type source/drain region disposed in the substrate at two sides of the gate, a silicon cap layer covering the P-type source/drain region and the first lightly doped region and a silicide layer disposed on the silicon cap layer, and covering only a portion of the silicon cap layer.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: September 2, 2014
    Assignee: United Microelectronics Corp.
    Inventors: Wen-Han Hung, Tsai-Fu Chen, Shyh-Fann Ting, Cheng-Tung Huang, Kun-Hsien Lee, Ta-Kang Lo, Tzyy-Ming Cheng
  • Patent number: 8765561
    Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate; forming a dummy gate on the substrate; forming a contact etch stop layer on the dummy gate and the substrate; performing a planarizing process to partially remove the contact etch stop layer; partially removing the dummy gate; and performing a thermal treatment on the contact etch stop layer.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: July 1, 2014
    Assignee: United Microelectronics Corp.
    Inventors: Wen-Han Hung, Tsai-Fu Chen, Ta-Kang Lo, Tzyy-Ming Cheng
  • Patent number: 8735268
    Abstract: A method for fabricating a metal-oxide-semiconductor field-effect transistor includes the following steps. Firstly, a substrate is provided. A gate structure, a first spacer, a second spacer and a source/drain structure are formed over the substrate. The second spacer includes an inner layer and an outer layer. Then, a thinning process is performed to reduce the thickness of the second spacer, thereby retaining the inner layer of the second spacer. After a stress film is formed on the inner layer of the second spacer and the source/drain structure, an annealing process is performed. Afterwards, the stress film is removed.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: May 27, 2014
    Assignee: United Microelectronics Corp.
    Inventors: Ching-Sen Lu, Wen-Han Hung, Tsai-Fu Chen, Tzyy-Ming Cheng
  • Patent number: 8664073
    Abstract: A method for fabricating complimentary metal-oxide-semiconductor field-effect transistor is disclosed. The method includes the steps of: (A) forming a first gate structure and a second gate structure on a substrate; (B) performing a first co-implantation process to define a first type source/drain extension region depth profile in the substrate adjacent to two sides of the first gate structure; (C) forming a first source/drain extension region in the substrate adjacent to the first gate structure; (D) performing a second co-implantation process to define a first pocket region depth profile in the substrate adjacent to two sides of the second gate structure; (E) performing a first pocket implantation process to form a first pocket region adjacent to two sides of the second gate structure.
    Type: Grant
    Filed: January 4, 2011
    Date of Patent: March 4, 2014
    Assignee: United Microelectronics Corp.
    Inventors: Kun-Hsien Lee, Cheng-Tung Huang, Wen-Han Hung, Shyh-Fann Ting, Li-Shian Jeng, Meng-Yi Wu, Tzyy-Ming Cheng
  • Patent number: 8486795
    Abstract: A method of fabricating transistors includes: providing a substrate including an N-type well and P-type well; forming a first gate on the N-type well and a second gate on the P-type well, respectively; forming a third spacer on the first gate; forming an epitaxial layer in the substrate at two sides of the first gate; forming a fourth spacer on the second gate; forming a silicon cap layer covering the surface of the epitaxial layer and the surface of the substrate at two sides of the fourth spacer; and forming a first source/drain doping region and a second source/drain doping region at two sides of the first gate and the second gate respectively.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: July 16, 2013
    Assignee: United Microelectronics Corp.
    Inventors: Wen-Han Hung, Tsai-Fu Chen, Shyh-Fann Ting, Cheng-Tung Huang, Kun-Hsien Lee, Ta-Kang Lo, Tzyy-Ming Cheng
  • Patent number: 8404533
    Abstract: A method for fabricating metal gate transistor is disclosed. The method includes the steps of: providing a substrate, wherein the substrate comprises a transistor region defined thereon; forming a gate insulating layer on the substrate; forming a stacked film on the gate insulating layer, wherein the stacked film comprises at least one etching stop layer, a polysilicon layer, and a hard mask; patterning the gate insulating layer and the stacked film for forming a dummy gate on the substrate; forming a dielectric layer on the dummy gate; performing a planarizing process for partially removing the dielectric layer until reaching the top of the dummy gate; removing the polysilicon layer of the dummy gate; removing the etching stop layer of the dummy gate for forming an opening; and forming a conductive layer in the opening for forming a gate.
    Type: Grant
    Filed: August 23, 2010
    Date of Patent: March 26, 2013
    Assignee: United Microelectronics Corp.
    Inventors: Cheng-Yu Ma, Wen-Han Hung, Ta-Kang Lo, Tsai-Fu Chen, Tzyy-Ming Cheng
  • Patent number: 8390073
    Abstract: A transistor structure is provided in the present invention. The transistor structure includes: a substrate comprising a P-type well, a gate disposed on the P-type well, a first spacer disposed on the gate, an N-type source/drain region disposed in the substrate at two sides of the gate, a silicon cap layer covering the N-type source/drain region, a second spacer around the first spacer and the second spacer directly on and covering a portion of the silicon cap layer and a silicide layer disposed on the silicon cap layer.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: March 5, 2013
    Assignee: United Microelectronics Corp.
    Inventors: Wen-Han Hung, Tsai-Fu Chen, Shyh-Fann Ting, Cheng-Tung Huang, Kun-Hsien Lee, Ta-Kang Lo, Tzyy-Ming Cheng
  • Publication number: 20120329259
    Abstract: A method for fabricating a metal-oxide-semiconductor field-effect transistor includes the following steps. Firstly, a substrate is provided. A gate structure, a first spacer, a second spacer and a source/drain structure are formed over the substrate. The second spacer includes an inner layer and an outer layer. Then, a thinning process is performed to reduce the thickness of the second spacer, thereby retaining the inner layer of the second spacer. After a stress film is formed on the inner layer of the second spacer and the source/drain structure, an annealing process is performed. Afterwards, the stress film is removed.
    Type: Application
    Filed: June 22, 2011
    Publication date: December 27, 2012
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ching-Sen LU, Wen-Han HUNG, Tsai-Fu CHEN, Tzyy-Ming CHENG
  • Publication number: 20120309158
    Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate; forming a dummy gate on the substrate; forming a contact etch stop layer on the dummy gate and the substrate; performing a planarizing process to partially remove the contact etch stop layer; partially removing the dummy gate; and performing a thermal treatment on the contact etch stop layer.
    Type: Application
    Filed: June 6, 2011
    Publication date: December 6, 2012
    Inventors: Wen-Han Hung, Tsai-Fu Chen, Ta-Kang Lo, Tzyy-Ming Cheng
  • Publication number: 20120289015
    Abstract: A method for fabricating a semiconductor device with enhanced channel stress is provided. The method includes the following steps. Firstly, a substrate is provided. Then, at least one source/drain region and a channel are formed in the substrate. A dummy gate is formed over the channel. A contact structure is formed over the source/drain region. After the contact structure is formed, the dummy gate is removed to form a trench.
    Type: Application
    Filed: May 13, 2011
    Publication date: November 15, 2012
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ching-Sen Lu, Wen-Han Hung, Tsai-Fu Chen, Tzyy-Ming Cheng
  • Publication number: 20120223397
    Abstract: A method for manufacturing a metal gate structure includes providing a substrate having a high-K gate dielectric layer and a bottom barrier layer sequentially formed thereon, forming a work function metal layer on the substrate, and performing an anneal treatment to the work function metal layer in-situ.
    Type: Application
    Filed: March 1, 2011
    Publication date: September 6, 2012
    Inventors: Chan-Lon Yang, Chi-Mao Hsu, Chun-Yuan Wu, Tzyy-Ming Cheng, Shih-Fang Tzou, Chin-Fu Lin, Hsin-Fu Huang, Min-Chuan Tsai
  • Publication number: 20120199890
    Abstract: A transistor structure is provided in the present invention. The transistor structure includes: a substrate comprising a P-type well, a gate disposed on the P-type well, a first spacer disposed on the gate, an N-type source/drain region disposed in the substrate at two sides of the gate, a silicon cap layer covering the N-type source/drain region, a second spacer around the first spacer and the second spacer directly on and covering a portion of the silicon cap layer and a silicide layer disposed on the silicon cap layer.
    Type: Application
    Filed: April 18, 2012
    Publication date: August 9, 2012
    Inventors: Wen-Han Hung, Tsai-Fu Chen, Shyh-Fann Ting, Cheng-Tung Huang, Kun-Hsien Lee, Ta-Kang Lo, Tzyy-Ming Cheng
  • Publication number: 20120196418
    Abstract: A method of fabricating transistors includes: providing a substrate including an N-type well and P-type well; forming a first gate on the N-type well and a second gate on the P-type well, respectively; forming a third spacer on the first gate; forming an epitaxial layer in the substrate at two sides of the first gate; forming a fourth spacer on the second gate; forming a silicon cap layer covering the surface of the epitaxial layer and the surface of the substrate at two sides of the fourth spacer; and forming a first source/drain doping region and a second source/drain doping region at two sides of the first gate and the second gate respectively.
    Type: Application
    Filed: April 12, 2012
    Publication date: August 2, 2012
    Inventors: Wen-Han Hung, Tsai-Fu Chen, Shyh-Fann Ting, Cheng-Tung Huang, Kun-Hsien Lee, Ta-Kang Lo, Tzyy-Ming Cheng
  • Patent number: 8222113
    Abstract: A method for forming a metal-oxide-semiconductor (MOS) device includes at least steps of forming a pair of trenches in a substrate at both sides of a gate structure, filling the trenches with a silicon germanium layer by a selective epitaxy growth process, forming a cap layer on the silicon germanium layer by a selective growth process, and forming a pair of source/drain regions by performing an ion implantation process. Hence, the undesirable effects caused by ion implantation can be mitigated.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: July 17, 2012
    Assignee: United Microelectronics Corp.
    Inventors: Shyh-Fann Ting, Shih-Chieh Hsu, Cheng-Tung Huang, Chih-Chiang Wu, Wen-Han Hung, Meng-Yi Wu, Li-Shian Jeng, Chung-Min Shih, Kun-Hsien Lee, Tzyy-Ming Cheng
  • Patent number: 8211775
    Abstract: A method for forming a transistor having a metal gate is provided. A substrate is provided first. A transistor is formed on the substrate. The transistor includes a high-k gate dielectric layer, an oxygen containing dielectric layer disposed on the high-k gate dielectric layer, and a dummy gate disposed on the oxygen containing dielectric layer. Then, the dummy gate and the patterned gate dielectric layer are removed. Lastly, a metal gate is formed and the metal gate directly contacts the high-k gate oxide.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: July 3, 2012
    Assignee: United Microelectronics Corp.
    Inventors: Cheng-Yu Ma, Wen-Han Hung, Ta-Kang Lo, Tsai-Fu Chen, Tzyy-Ming Cheng