Patents by Inventor Chieh-Jen Cheng

Chieh-Jen 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: 20230375952
    Abstract: Cleaning equipment for an EUV wafer chuck or clamp, which removes particles that have accumulated between burls on the surface of the wafer chuck. The equipment includes a spinning bi-polar electrode placed in proximity to the surface, which can attract and adsorb the charged particle residue therefrom using its generated symmetric electric field when the wafer chuck is not in use.
    Type: Application
    Filed: August 8, 2023
    Publication date: November 23, 2023
    Inventors: Yu-Chih HUANG, Yu-Kai CHIOU, Chieh-Jen CHENG, Li-Jui CHEN
  • Publication number: 20230305381
    Abstract: A photo mask for an extreme ultraviolet (EUV) lithography includes a mask alignment mark for aligning the photo mask to an EUV lithography tool, and sub-resolution assist patterns disposed around the mask alignment mark. A dimension of the sub-resolution assist patterns is in a range from 10 nm to 50 nm.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 28, 2023
    Inventors: Wei-Shuo SU, Yu-Tse LAI, Sheng-Min WANG, Ken-Hsien HSIEH, Chieh-Jen CHENG, Ya Hui CHANG
  • Publication number: 20220308465
    Abstract: Cleaning equipment for an EUV wafer chuck or clamp, which removes particles that have accumulated between burls on the surface the wafer chuck. The equipment includes a spinning bi-polar electrode placed in proximity to the surface, which can attract and adsorb the charged particle residue therefrom using its generated symmetric electric field when the wafer chuck is not in use.
    Type: Application
    Filed: September 28, 2021
    Publication date: September 29, 2022
    Inventors: Yu-Chih HUANG, Yu-Kai CHIOU, Chieh-Jen CHENG, Li-Jui CHEN
  • Publication number: 20220299882
    Abstract: An extreme ultraviolet (EUV) photolithography system includes a scanner. Photolithography system performs EUV photolithography processes with a reticle in the scanner. The scanner includes a reticle storage chamber, a reticle backside inspection chamber, and a reticle cleaning chamber. The reticle cleaning chamber cleans debris from the backside of the reticle within the scanner.
    Type: Application
    Filed: September 17, 2021
    Publication date: September 22, 2022
    Inventors: Yuru Huang, Chueh-Chi Kuo, Tzung-Chi Fu, Chieh-Jen Cheng
  • Patent number: 11360392
    Abstract: An illuminator includes a first facet mirror receiving and reflecting an exposure radiation, an adjustable shielding element disposed on the first facet mirror, the adjustable shielding element adjusting intensity uniformity of the exposure radiation reflected by the first facet mirror, and a second facet mirror receiving and reflecting the exposure radiation reflected by the first facet mirror.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: June 14, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Che-Chang Hsu, Chieh-Jen Cheng, Li-Jui Chen, Shang-Chieh Chien, Chao-Chen Chang, Ssu-Yu Chen
  • Patent number: 11281586
    Abstract: The invention provides a processor including a prediction table, a prediction logic circuit, and a prediction verification circuit. The prediction table has a plurality of sets respectively corresponding to a plurality of cache sets of a cache memory in the cache system, each of the sets has a plurality of confidence values, and the prediction table provides the confidence values of a selected set according to the index. The prediction logic circuit receives the confidence values of the selected set, and generates a prediction result by judging whether each of the confidence values of the selected set is larger than a threshold value or not. The prediction verification circuit receives the prediction result, generates a correct/incorrect information according to the prediction result, and generates an update information according to the correct/incorrect information. Wherein, the prediction verification circuit updates the confidence values of the prediction table according to the update information.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: March 22, 2022
    Assignee: ANDES TECHNOLOGY CORPORATION
    Inventors: Kun-Ho Liu, Chieh-Jen Cheng, Chuan-Hua Chang, I-Cheng Kevin Chen
  • Patent number: 11188468
    Abstract: A processor includes a prediction table, a prediction logic circuit, and a prediction verification circuit. The prediction table has a plurality of sets, each of the sets has a hot way number, at least one warm way number, and at least one confidence value corresponding to the at least one warm way number. The prediction logic circuit generates a prediction result by predicting if the at least one warm way number is an opened way. The prediction verification circuit generates a correct/incorrect information according to the prediction result, and generates an update information according to the correct/incorrect information. The prediction verification circuit updates the hot way number, the at least one warm way number and the at least one confidence value of the at least one warm way number according to the update information.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: November 30, 2021
    Assignee: ANDES TECHNOLOGY CORPORATION
    Inventors: Kun-Ho Liu, Chieh-Jen Cheng, Chuan-Hua Chang, I-Cheng Kevin Chen
  • Publication number: 20210033982
    Abstract: An illuminator includes a first facet mirror receiving and reflecting an exposure radiation, an adjustable shielding element disposed on the first facet mirror, the adjustable shielding element adjusting intensity uniformity of the exposure radiation reflected by the first facet mirror, and a second facet mirror receiving and reflecting the exposure radiation reflected by the first facet mirror.
    Type: Application
    Filed: June 3, 2020
    Publication date: February 4, 2021
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Che-Chang Hsu, Chieh-Jen Cheng, Li-Jui Chen, Shang-Chieh Chien, Chao-Chen Chang, Ssu-Yu Chen
  • Publication number: 20200310974
    Abstract: A processor includes a prediction table, a prediction logic circuit, and a prediction verification circuit. The prediction table has a plurality of sets, each of the sets has a hot way number, at least one warm way number, and at least one confidence value corresponding to the at least one warm way number. The prediction logic circuit generates a prediction result by predicting if the at least one warm way number is an opened way. The prediction verification circuit generates a correct/incorrect information according to the prediction result, and generates an update information according to the correct/incorrect information. The prediction verification circuit updates the hot way number, the at least one warm way number and the at least one confidence value of the at least one warm way number according to the update information.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 1, 2020
    Applicant: ANDES TECHNOLOGY CORPORATION
    Inventors: Kun-Ho Liu, Chieh-Jen Cheng, Chuan-Hua Chang, I-Cheng Kevin Chen
  • Patent number: 10579522
    Abstract: A method and a device for accessing a cache memory are provided. The method comprises: generating, by a bit prediction unit (BPU), a prediction bit corresponding to an instruction instructing to access the cache memory from a central processing unit (CPU); generating, by an instruction execution unit (IEU), a virtual address corresponding to the instruction; generating, by a load/store unit (LSU), a predicted cache index according to the prediction bit and a part of a virtual page offset of the virtual address; and reading, by the LSU, data from the cache memory by using the predicted cache index. Therefore, the maximum size of the cache memory could be increased.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: March 3, 2020
    Assignee: ANDES TECHNOLOGY CORPORATION
    Inventors: Chieh-Jen Cheng, Chuan-Hua Chang
  • Publication number: 20180330259
    Abstract: The invention provides a processor including a prediction table, a prediction logic circuit, and a prediction verification circuit. The prediction table has a plurality of sets respectively corresponding to a plurality of cache sets of a cache memory in the cache system, each of the sets has a plurality of confidence values, and the prediction table provides the confidence values of a selected set according to the index. The prediction logic circuit receives the confidence values of the selected set, and generates a prediction result by judging whether each of the confidence values of the selected set is larger than a threshold value or not. The prediction verification circuit receives the prediction result, generates a correct/incorrect information according to the prediction result, and generates an update information according to the correct/incorrect information. Wherein, the prediction verification circuit updates the confidence values of the prediction table according to the update information.
    Type: Application
    Filed: May 9, 2017
    Publication date: November 15, 2018
    Applicant: ANDES TECHNOLOGY CORPORATION
    Inventors: Kun-Ho Liu, Chieh-Jen Cheng, Chuan-Hua Chang, I-Cheng Kevin Chen
  • Patent number: 10067418
    Abstract: A method of removing particles from a surface of a reticle is disclosed. The reticle is placed in a carrier, a source gas is flowed into the carrier, and a plasma is generated within the carrier. Particles are then removed from a surface of the reticle using the generated plasma. A system of removing particles from a surface includes a carrier configured to house a reticle, a reticle stocker including the carrier, a power supply configured to apply a potential between an inner cover and an inner baseplate of the carrier, and a gas source configured to flow a gas into the carrier. A plasma may be generated within the carrier, and particles can be removed from a surface of the reticle using the generated plasma. An acoustic energy source configured to agitate at least one of the source gas and the generated plasma may be provided to facilitate particle removal using an agitated plasma.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: September 4, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shu-Hao Chang, Chi-Lun Lu, Shang-Chieh Chien, Ming-Chin Chien, Jui-Ching Wu, Jeng-Horng Chen, Chieh-Jen Cheng, Chia-Chen Chen
  • Publication number: 20180074957
    Abstract: A method and a device for accessing a cache memory are provided. The method comprises: generating, by a bit prediction unit (BPU), a prediction bit corresponding to an instruction instructing to access the cache memory from a central processing unit (CPU); generating, by an instruction execution unit (IEU), a virtual address corresponding to the instruction; generating, by a load/store unit (LSU), a predicted cache index according to the prediction bit and a part of a virtual page offset of the virtual address; and reading, by the LSU, data from the cache memory by using the predicted cache index. Therefore, the maximum size of the cache memory could be increased.
    Type: Application
    Filed: September 13, 2016
    Publication date: March 15, 2018
    Applicant: ANDES TECHNOLOGY CORPORATION
    Inventors: Chieh-Jen Cheng, Chuan-Hua Chang
  • Patent number: 9823585
    Abstract: Systems and methods for monitoring the focus of an EUV lithography system are disclosed. Another aspect includes a method having operations of measuring a first shift value for a first patterned set of sub-structures of a focus test structure on a wafer and measuring a second shift value for a second patterned set of sub-structures of the test structure on the wafer. The test structure may be formed on the wafer using asymmetric illumination, with the first patterned set of sub-structures having a first pitch and the second patterned set of sub-structures having a second pitch that is different from the first pitch. The method may further include determining a focus shift compensation for an illumination system based on a difference between the first shift value and the second shift value.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: November 21, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chih-Tsung Shih, Chieh-Jen Cheng, Jeng-Horng Chen, Chia-Chen Chen, Shinn-Sheng Yu, Anthony Yen, Wei-Chih Lai
  • Publication number: 20160291482
    Abstract: Systems and methods for monitoring the focus of an EUV lithography system are disclosed. Another aspect includes a method having operations of measuring a first shift value for a first patterned set of sub-structures of a focus test structure on a wafer and measuring a second shift value for a second patterned set of sub-structures of the test structure on the wafer. The test structure may be formed on the wafer using asymmetric illumination, with the first patterned set of sub-structures having a first pitch and the second patterned set of sub-structures having a second pitch that is different from the first pitch. The method may further include determining a focus shift compensation for an illumination system based on a difference between the first shift value and the second shift value.
    Type: Application
    Filed: September 14, 2015
    Publication date: October 6, 2016
    Inventors: Chih-Tsung Shih, Chieh-Jen Cheng, Jeng-Horng Chen, Chia-Chen Chen, Shinn-Sheng Yu, Anthony Yen, Wei-Chih Lai
  • Publication number: 20150323862
    Abstract: A method of removing particles from a surface of a reticle is disclosed. The reticle is placed in a carrier, a source gas is flowed into the carrier, and a plasma is generated within the carrier. Particles are then removed from a surface of the reticle using the generated plasma. A system of removing particles from a surface includes a carrier configured to house a reticle, a reticle stocker including the carrier, a power supply configured to apply a potential between an inner cover and an inner baseplate of the carrier, and a gas source configured to flow a gas into the carrier. A plasma may be generated within the carrier, and particles can be removed from a surface of the reticle using the generated plasma. An acoustic energy source configured to agitate at least one of the source gas and the generated plasma may be provided to facilitate particle removal using an agitated plasma.
    Type: Application
    Filed: May 12, 2014
    Publication date: November 12, 2015
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shu-Hao Chang, Chi-Lun Lu, Shang-Chieh Chien, Ming-Chin Chien, Jui-Ching Wu, Jeng-Horng Chen, Chieh-Jen Cheng, Chia-Chen Chen
  • Patent number: 8919985
    Abstract: A backlight module includes a light guide plate, a light source module, a supporting frame, and a heat conductive glue layer. The light guide plate has a light-entering end; the light source module is disposed corresponding to the light-entering end and includes a flexible circuit board and a plurality of light sources. The flexible circuit board extends along the light-entering end and has a light source-bearing area and a heat-dissipating area, wherein a width of the heat-dissipating area in a direction perpendicular to the light-entering end is not smaller than a width of the light source-bearing area. The plurality of light sources are disposed in the light source-bearing area. The supporting frame has a holding portion which is bent to form an accommodation space for accommodating the light source module and the light-entering end.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: December 30, 2014
    Assignee: AU Optronics Corporation
    Inventors: Chieh-Jen Cheng, Po-Hung Chen
  • Publication number: 20140233257
    Abstract: A light emitting module includes a first circuit board, a driver chip, two connectors, a second circuit board and a plurality of light emitting units. The driver chip is disposed on the first circuit board. The two connectors are disposed on the first circuit board and electrically connected to the driver chip. The second circuit board has two groups of connecting cables and each group of connecting cables is electrically connected to one of the two connectors. The light emitting units are disposed on the second circuit board and electrically connected to the two groups of connecting cables.
    Type: Application
    Filed: October 4, 2013
    Publication date: August 21, 2014
    Applicant: AU Optronics Corp.
    Inventor: Chieh-Jen Cheng
  • Patent number: 8734000
    Abstract: A light module and an assembling method thereof are disclosed. The light module includes a first circuit board, a second circuit board, and a light source, wherein the first circuit board has a first opening and a second opening, and the second circuit board has a first bending portion. The light source is disposed on the first circuit board. The second circuit board passes through the first opening and the second opening of the first circuit board to form the first bending portion and the first circuit board and the second circuit board are fixed together to complete the light module assembling.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: May 27, 2014
    Assignee: Au Optronics Corporation
    Inventors: Hsin-Chang Chiang, Chieh-Jen Cheng, Chien-Ting Liao
  • Patent number: 8646950
    Abstract: A display apparatus includes a panel module and a backlight module. The backlight module is disposed under the panel module. The backlight module includes a frame, a light guide plate, and a reflector. The frame supports the edge of the light guide plate. The reflector is disposed at the bottom of the light guide plate. The edge of the reflector and the edge of the frame horizontally form an engaging seam without overlapping, and the engaging seam is substantially in a serrated shape.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: February 11, 2014
    Assignee: AU Optronics Corporation
    Inventors: Yi-Fan Lin, Shih-Yao Lin, Chieh-Jen Cheng, Po-Hung Chen