Patents by Inventor Chih-Sheng Chang

Chih-Sheng Chang 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: 20240120337
    Abstract: A semiconductor device structure includes a first dielectric wall, a plurality of first semiconductor layers vertically stacked and extending outwardly from a first side of the first dielectric wall, each first semiconductor layer has a first width, a plurality of second semiconductor layers vertically stacked and extending outwardly from a second side of the first dielectric wall, each second semiconductor layer has a second width, a plurality of third semiconductor layers disposed adjacent the second side of the first dielectric wall, each third semiconductor layer has a third width greater than the second width, a first gate electrode layer surrounding at least three surfaces of each of the first semiconductor layers, the first gate electrode layer having a first conductivity type, and a second gate electrode layer surrounding at least three surfaces of each of the second semiconductor layers, the second gate electrode layer having a second conductivity type opposite the first conductivity type.
    Type: Application
    Filed: January 15, 2023
    Publication date: April 11, 2024
    Inventors: Ta-Chun LIN, Chih-Hung HSIEH, Chun-Sheng LIANG, Wen-Chiang HONG, Chun-Wing YEUNG, Kuo-Hua PAN, Chih-Hao CHANG, Jhon Jhy LIAW
  • Publication number: 20240114691
    Abstract: A semiconductor device includes a ferroelectric field-effect transistor (FeFET), wherein the FeFET includes a substrate; a source region in the substrate; a drain region in the substrate; and a gate structure over the substrate and between the source region and the drain region. The gate structure includes a gate dielectric layer over the substrate; a ferroelectric film over the gate dielectric layer; and a gate electrode over the ferroelectric film.
    Type: Application
    Filed: November 30, 2023
    Publication date: April 4, 2024
    Inventor: Chih-Sheng Chang
  • Publication number: 20240113165
    Abstract: A semiconductor device includes a substrate, a first stack of semiconductor nanosheets, a second stack of semiconductor nanosheets, a gate structure and a first dielectric wall. The substrate includes a first fin and a second fin. The first stack of semiconductor nanosheets is disposed on the first fin. The second stack of semiconductor nanosheets is disposed on the second fin. The gate structure wraps the first stack of semiconductor nanosheets and the second stack of semiconductor nanosheets. The first dielectric wall is disposed between the first stack of semiconductor nanosheets and the second stack of semiconductor nanosheets. The first dielectric wall includes at least one neck portion between adjacent two semiconductor nanosheets of the first stack.
    Type: Application
    Filed: January 10, 2023
    Publication date: April 4, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ta-Chun LIN, Chun-Sheng Liang, Chih-Hao Chang, Jhon Jhy Liaw
  • Patent number: 11942652
    Abstract: The disclosure provides a limit device and a robot using the same. The limit device comprises a first connecting member, a transmission rod and a second connecting member. The first connecting member comprising a first main body portion and two first connecting elements. The two first connecting elements are arranged at intervals. The two first connecting elements are respectively connected to the first main body. The transmission rod comprising a first end and a second end. The first end and the second end are arranged at intervals. The first end penetrates through one of the two first connecting elements. The second end penetrates through the other one of the two first connecting element. The second connecting member provided with two indexing buckles. The two indexing buckles are arranged at intervals, each of the indexing buckles comprises a first limiting groove and a second limiting groove.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: March 26, 2024
    Assignees: Futaijing Precision Electronics (Yantai) Co., Ltd., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Chen-Ting Kao, Chi-Cheng Wen, Yu-Sheng Chang, Chih-Cheng Lee, Chiung-Hsiang Wu, Sheng-Li Yen, Yu-Cheng Zhang, Chang-Ju Hsieh, Chen Chao
  • Patent number: 11942380
    Abstract: A method includes forming a dummy pattern over test region of a substrate; forming an interlayer dielectric (ILD) layer laterally surrounding the dummy pattern; removing the dummy pattern to form an opening; forming a dielectric layer in the opening; performing a first testing process on the dielectric layer; performing an annealing process to the dielectric layer; and performing a second testing process on the annealed dielectric layer.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: March 26, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Shiang Lin, Chia-Cheng Ho, Chun-Chieh Lu, Cheng-Yi Peng, Chih-Sheng Chang
  • Publication number: 20240088267
    Abstract: A semiconductor device comprises a fin structure disposed over a substrate; a gate structure disposed over part of the fin structure; a source/drain structure, which includes part of the fin structure not covered by the gate structure; an interlayer dielectric layer formed over the fin structure, the gate structure, and the source/drain structure; a contact hole formed in the interlayer dielectric layer; and a contact material disposed in the contact hole. The fin structure extends in a first direction and includes an upper layer, wherein a part of the upper layer is exposed from an isolation insulating layer. The gate structure extends in a second direction perpendicular to the first direction. The contact material includes a silicon phosphide layer and a metal layer.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Cheng-Yi PENG, Chih Chieh YEH, Chih-Sheng CHANG, Hung-Li CHIANG, Hung-Ming CHEN, Yee-Chia YEO
  • Publication number: 20240088149
    Abstract: A semiconductor structure includes: a substrate; a first fin and a second fin disposed on the substrate and spaced apart from each other; a dielectric wall disposed on the substrate and having first and second wall surfaces; a third fin disposed on the substrate to be in direct contact with at least one of the first and second fins; a first device disposed on the first fin and including first channel features extending away from the first wall surface; a second device disposed on the second fin and including second channel features extending away from the second wall surface; at least one third device disposed on the third fin and including third channel features; and an isolation feature disposed on the substrate to permit the third device to be electrically isolated from the first and second devices. A method for manufacturing the semiconductor structure is also disclosed.
    Type: Application
    Filed: February 15, 2023
    Publication date: March 14, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ta-Chun LIN, Ming-Heng TSAI, Huang-Chao CHANG, Chun-Sheng LIANG, Chih-Hao CHANG, Jhon Jhy LIAW
  • Publication number: 20240088278
    Abstract: A semiconductor structure includes spaced apart first and second fins over a substrate, a separating wall over the substrate and having opposite first and second wall surfaces, multiple first channel features extending away from the first wall surface over the first fin such that the first channel features are spaced apart, multiple second channel features extending away from the second wall surface over the second fin such that the second channel features are spaced apart, two spaced apart first epitaxial structures on the first fin such that each first channel feature interconnects the first epitaxial structures, two spaced apart second epitaxial structures on the second fin such that each second channel feature interconnects the second epitaxial structures, and a dielectric structure including at least one bottom dielectric portion separating at least one of the first and second epitaxial structures from a corresponding first and second fins.
    Type: Application
    Filed: January 12, 2023
    Publication date: March 14, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ta-Chun LIN, Chun-Sheng LIANG, Chun-Wing YEUNG, Chih-Hao CHANG
  • Patent number: 11929258
    Abstract: An integrated circuit structure includes a first metal feature formed into a first dielectric layer, a second metal feature formed into a second dielectric layer, the second dielectric layer being disposed on said first dielectric layer, and a via connecting the first metal feature to the second metal feature, wherein a top portion of the via is offset from a bottom portion of the via.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: March 12, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shih-Ming Chang, Chih-Ming Lai, Ru-Gun Liu, Tsai-Sheng Gau, Chung-Ju Lee, Tien-I Bao, Shau-Lin Shue
  • Publication number: 20240079447
    Abstract: Semiconductor structures and methods for manufacturing the same are provided. The semiconductor structure includes a first stack structure formed over a substrate, and the first stack structure includes a plurality of nanostructures that extend along a first direction. The semiconductor structure includes a second stack structure formed adjacent to the first stack structure, and the second stack structure includes a plurality of nanostructures that extend along the first direction. The semiconductor structure includes a first gate structure formed over the first stack structure, and the first gate structure extends along a second direction. The semiconductor structure also includes a dielectric wall between the first stack structure and the second stack structure, and the dielectric wall includes a low-k dielectric material, and the dielectric wall is connected to the first stack structure and the second stack structure.
    Type: Application
    Filed: February 3, 2023
    Publication date: March 7, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Ta-Chun LIN, Chun-Sheng LIANG, Kuo-Hua PAN, Chih-Hao CHANG, Jhon-Jhy LIAW
  • Patent number: 11923252
    Abstract: A semiconductor device includes a first set of nanostructures stacked over a substrate in a vertical direction, and each of the first set of nanostructures includes a first end portion and a second end portion, and a first middle portion laterally between the first end portion and the second end portion. The first end portion and the second end portion are thicker than the first middle portion. The semiconductor device also includes a first plurality of semiconductor capping layers around the first middle portions of the first set of nanostructures, and a gate structure around the first plurality of semiconductor capping layers.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: March 5, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Sai-Hooi Yeong, Bo-Feng Young, Chi-On Chui, Chih-Chieh Yeh, Cheng-Hsien Wu, Chih-Sheng Chang, Tzu-Chiang Chen, I-Sheng Chen
  • Patent number: 11916018
    Abstract: A connection structure of a semiconductor device is provided in the present invention. The connection structure includes an interlayer dielectric, a top metal structure, and a passivation layer. The interlayer dielectric is disposed on a substrate. The top metal structure is disposed on the interlayer dielectric. The top metal structure includes a bottom portion and a top portion disposed on the bottom portion. The bottom portion includes a first sidewall, and the top portion includes a second sidewall. A slope of the first sidewall is larger than a slope of the second sidewall. The passivation layer is conformally disposed on the second sidewall, the first sidewall, and a top surface of the interlayer dielectric.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: February 27, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chen-Yi Weng, Shih-Che Huang, Ching-Li Yang, Chih-Sheng Chang
  • Patent number: 11889674
    Abstract: A method includes providing a substrate having an n-type fin-like field-effect transistor (NFET) region and forming a fin structure in the NFET region. The fin structure includes a first layer having a first semiconductor material, and a second layer under the first layer and having a second semiconductor material different from the first semiconductor material. The method further includes forming a patterned hard mask to fully expose the fin structure in gate regions of the NFET region and partially expose the fin structure in at least one source/drain (S/D) region of the NFET region. The method further includes oxidizing the fin structure not covered by the patterned hard mask, wherein the second layer is oxidized at a faster rate than the first layer. The method further includes forming an S/D feature over the at least one S/D region of the NFET region.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: January 30, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Kuo-Cheng Ching, Ka-Hing Fung, Chih-Sheng Chang, Zhiqiang Wu
  • Publication number: 20240006304
    Abstract: A semiconductor device includes a first electrode, a first dielectric layer, a second electrode and an insulating layer. The first dielectric layer is disposed on the first electrode. The second electrode is disposed in the first dielectric layer. The insulating layer is disposed in the first dielectric layer and between the second electrode and the first electrode and between the second electrode and the first dielectric layer. The first electrode and the second electrode are electrically isolated by the insulating layer.
    Type: Application
    Filed: July 4, 2022
    Publication date: January 4, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yu-Chao Lin, Jung-Piao Chiu, Bo-Jiun Lin, Chih-Sheng Chang
  • Publication number: 20230420292
    Abstract: A method for fabricating semiconductor device includes the steps of: forming a first inter-metal dielectric (IMD) layer on a substrate; forming a first metal interconnection in the first IMD layer; removing part of the first IMD layer; forming a spacer adjacent to the first metal interconnection; forming a second IMD layer on the spacer and the first metal interconnection; and forming a second metal interconnection in the second IMD layer and on the spacer and the first metal interconnection.
    Type: Application
    Filed: September 6, 2023
    Publication date: December 28, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ching-Chih Chang, Yuan-Fu Ko, Chih-Sheng Chang
  • Patent number: 11855187
    Abstract: A semiconductor device comprises a fin structure disposed over a substrate; a gate structure disposed over part of the fin structure; a source/drain structure, which includes part of the fin structure not covered by the gate structure; an interlayer dielectric layer formed over the fin structure, the gate structure, and the source/drain structure; a contact hole formed in the interlayer dielectric layer; and a contact material disposed in the contact hole. The fin structure extends in a first direction and includes an upper layer, wherein a part of the upper layer is exposed from an isolation insulating layer. The gate structure extends in a second direction perpendicular to the first direction. The contact material includes a silicon phosphide layer and a metal layer.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: December 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Cheng-Yi Peng, Chih Chieh Yeh, Chih-Sheng Chang, Hung-Li Chiang, Hung-Ming Chen, Yee-Chia Yeo
  • Patent number: 11856784
    Abstract: A semiconductor device includes a ferroelectric field-effect transistor (FeFET), wherein the FeFET includes a substrate; a source region in the substrate; a drain region in the substrate; and a gate structure over the substrate and between the source region and the drain region. The gate structure includes a gate dielectric layer over the substrate; a ferroelectric film over the gate dielectric layer; and a gate electrode over the ferroelectric film.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventor: Chih-Sheng Chang
  • Publication number: 20230408740
    Abstract: A diffractive optical element and method for fabricating the diffractive optical element are provided. The diffractive optical element includes a substrate, a first diffractive structure layer and a second diffractive structure layer. The substrate has a first surface and a second surface opposite to the first surface. The first diffractive structure layer is disposed on the first surface of the substrate. The second diffractive structure layer is disposed on the second surface of the substrate. In the method for fabricating the diffractive optical element, at first, the substrate is provided. Then, a first glue material layer/first semiconductor layer is formed and patterned on the first surface of the substrate. Thereafter, a second glue material layer/second semiconductor layer is formed and patterned on the second surface of the substrate.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 21, 2023
    Inventors: Chih-Sheng CHANG, Meng-Ko TSAI, Chung-Kai SHENG
  • Publication number: 20230387004
    Abstract: An integrated circuit die forming method, for forming a plurality of integrated circuit dies on a semiconductor wafer, comprising: forming a first device, a second device in a first die in a first area; forming a metal layer connected to the first device and the second device; forming a third device, a fourth device in a second die in a second area; forming the metal layer connected to the third device and the fourth device, wherein a scribe area exists between the first area and the second area is separated by; wherein the first device and the third device are used for synchronization and are components of a class D amplifier; wherein the second device is used for preventing leakage currents of the first die and the fourth device is used for preventing leakage currents of the second die.
    Type: Application
    Filed: May 26, 2022
    Publication date: November 30, 2023
    Applicant: Elite Semiconductor Microelectronics Technology Inc.
    Inventors: Chih-Sheng Chang, Isaac Y. Chen
  • Publication number: 20230369409
    Abstract: The present disclosure provides a semiconductor structure. The semiconductor structure includes a fin active region formed on a semiconductor substrate and spanning between a first sidewall of a first shallow trench isolation (STI) feature and a second sidewall of a second STI feature; an anti-punch through (APT) feature of a first type conductivity; and a channel material layer of the first type conductivity, disposed on the APT feature and having a second doping concentration less than the first doping concentration. The APT feature is formed on the fin active region, spans between the first sidewall and the second sidewall, and has a first doping concentration.
    Type: Application
    Filed: July 27, 2023
    Publication date: November 16, 2023
    Inventors: Cheng-Yi Peng, Ling-Yen Yeh, Chi-Wen Liu, Chih-Sheng Chang, Yee-Chia Yeo