Patents by Inventor Ru-Gun Liu

Ru-Gun Liu 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: 20230230836
    Abstract: A method of defining a pattern includes forming a plurality of cut shapes and a first plurality of openings within a first layer of a multi-layer hard mask to expose first portions of the second layer. A plurality of etch stops is formed by implanting an etch rate modifying species in a portion of the plurality of cut shapes. The first layer is directionally etched at the plurality of cut shapes such that the plurality of etch stops remain. A spacer layer is formed on the first layer and the first portions. A second plurality of openings is formed within the spacer layer to expose second portions of the second layer. The spacer layer is directionally etched to remove the spacer layer from sidewalls of the plurality of etch stops. Portions of the second layer exposed through the first plurality of openings and the second plurality of openings are etched.
    Type: Application
    Filed: March 20, 2023
    Publication date: July 20, 2023
    Inventors: Chih-Min HSIAO, Chien-Wen Lai, Shih-chun Huang, Yung-Sung Yen, Chih-Ming Lai, Ru-Gun Liu
  • Publication number: 20230205093
    Abstract: In a method of manufacturing a photo mask used in a semiconductor manufacturing process, a mask pattern layout in which a plurality of patterns are arranged is acquired. The plurality of patterns are converted into a graph having nodes and links. It is determined whether the nodes are colorable by N colors without causing adjacent nodes connected by a link to be colored by a same color, where N is an integer equal to or more than 3. When it is determined that the nodes are colorable by N colors, the nodes are colored with the N colors. The plurality of patterns are classified into N groups based on the N colored nodes. The N groups are assigned to N photo masks. N data sets for the N photo masks are output.
    Type: Application
    Filed: February 27, 2023
    Publication date: June 29, 2023
    Inventors: Ken-Hsien HSIEH, Ru-Gun LIU, Wei-Shuo SU
  • Patent number: 11688730
    Abstract: A system that generates a layout diagram has a processor that implements a method, the method including: generating first and second conductor shapes; generating first, second and third cap shapes correspondingly over the first and second conductor shapes; arranging a corresponding one of the second conductor shapes to be interspersed between each pair of neighboring ones of the first conductor shapes; generating first cut patterns over selected portions of corresponding ones of the first cap shapes; and generating second cut patterns over selected portions of corresponding ones of the second cap shapes. In some circumstances, the first cut patterns are designated as selective for a first etch sensitivity corresponding to the first cap shapes; and the second cut patterns are designated as selective for a second etch sensitivity corresponding to the second cap shapes.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: June 27, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Kam-Tou Sio, Chih-Liang Chen, Hui-Ting Yang, Shun Li Chen, Ko-Bin Kao, Chih-Ming Lai, Ru-Gun Liu, Charles Chew-Yuen Young
  • Publication number: 20230187434
    Abstract: A method is provided, including the following operations: arranging a first gate structure extending continuously above a first active region and a second active region of a substrate; arranging a first separation spacer disposed on the first gate structure to isolate an electronic signal transmitted through a first gate via and a second gate via that are disposed on the first gate structure, wherein the first gate via and the second gate via are arranged above the first active region and the second active region respectively; and arranging a first local interconnect between the first active region and the second active region, wherein the first local interconnect is electrically coupled to a first contact disposed on the first active region and a second contact disposed on the second active region.
    Type: Application
    Filed: February 10, 2023
    Publication date: June 15, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Charles Chew-Yuen YOUNG, Chih-Liang CHEN, Chih-Ming LAI, Jiann-Tyng TZENG, Shun-Li CHEN, Kam-Tou SIO, Shih-Wei PENG, Chun-Kuang CHEN, Ru-Gun LIU
  • Patent number: 11675958
    Abstract: In a method of optimizing a lithography model in a lithography simulation, a mask is formed in accordance with a given layout, a wafer is printed using the mask, a pattern formed on the printed wafer is measured, a wafer pattern is simulated using a wafer edge bias table and the given mask layout, a difference between the simulated wafer pattern and the measured pattern is obtained, and the wafer edge table is adjusted according to the difference.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: June 13, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Fu An Tien, Hsu-Ting Huang, Ru-Gun Liu, Shih-Hsiang Lo
  • Publication number: 20230170218
    Abstract: A method includes providing a substrate having a surface such that a first hard mask layer is formed over the surface and a second hard mask layer is formed over the first hard mask layer, forming a first pattern in the second hard mask layer, where the first pattern includes a first mandrel oriented lengthwise in a first direction and a second mandrel oriented lengthwise in a second direction different from the first direction, and where the first mandrel has a top surface, a first sidewall, and a second sidewall opposite to the first sidewall, and depositing a material towards the first mandrel and the second mandrel such that a layer of the material is formed on the top surface and the first sidewall but not the second sidewall of the first mandrel.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 1, 2023
    Inventors: Shih-Chun Huang, Ya-Wen Yeh, Chien-Wen Lai, Wei-Liang Lin, Ya Hui Chang, Yung-Sung Yen, Ru-Gun Liu, Chin-Hsiang Lin, Yu-Tien Shen
  • Patent number: 11662657
    Abstract: A method for manufacturing a photo mask for a semiconductor device includes receiving a plurality of hotspot regions of a mask layout corresponding to the semiconductor device. The method further includes classifying the plurality of hotspot regions into two or more hotspot groups such that same or similar hotspot regions are classified into same hotspot groups. The hotspot groups includes a first hotspot group that has at least two hotspot regions. The method also includes correcting a first hotspot region of the first hotspot group to generate an enhancement of the first hotspot region and correcting other hotspot regions of the first hotspot group using the enhancement of the first hotspot region to generate enhancements of other hotspot regions of the first hotspot group.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: May 30, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Fu An Tien, Hsu-Ting Huang, Ru-Gun Liu
  • Publication number: 20230152710
    Abstract: A method of operating a semiconductor apparatus includes generating an air flow that flows from a covering structure; causing a photomask to move over the covering structure such that particles attached to the photomask are blown away from the photomask by the air flow; and irradiating the photomask with light through a light transmission region of the covering structure.
    Type: Application
    Filed: January 12, 2023
    Publication date: May 18, 2023
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Shih-Ming CHANG, Chiu-Hsiang CHEN, Ru-Gun LIU
  • Patent number: 11651972
    Abstract: In a method of manufacturing a semiconductor device, an underlying structure is formed over a substrate. A film is formed over the underlying structure. Surface topography of the film is measured and the surface topography is stored as topography data. A local etching is performed by using directional etching and scanning the substrate so that an entire surface of the film is subjected to the directional etching. A plasma beam intensity of the directional etching is adjusted according to the topography data.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: May 16, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ya-Wen Yeh, Yu-Tien Shen, Shih-Chun Huang, Po-Chin Chang, Wei-Liang Lin, Yung-Sung Yen, Wei-Hao Wu, Li-Te Lin, Pinyen Lin, Ru-Gun Liu
  • Patent number: 11637064
    Abstract: Examples of an integrated circuit a having an advanced two-dimensional (2D) metal connection with metal cut and methods of fabricating the same are provided. An example method for fabricating a conductive interconnection layer of an integrated circuit may include: patterning a conductive connector portion on the conductive interconnection layer of the integrated circuit using extreme ultraviolet (EUV) lithography, wherein the conductive connector portion is patterned to extend across multiple semiconductor structures in a different layer of the integrated circuit; and cutting the conductive connector portion into a plurality of conductive connector sections, wherein the conductive connector portion is cut by removing conductive material from the metal connector portion at one or more locations between the semiconductor structures.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: April 25, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Chih-Liang Chen, Cheng-Chi Chuang, Chih-Ming Lai, Chia-Tien Wu, Charles Chew-Yuen Young, Hui-Ting Yang, Jiann-Tyng Tzeng, Kam-Tou Sio, Ru-Gun Liu, Shun Li Chen, Shih-Wei Peng, Tien-Lu Lin
  • Patent number: 11616067
    Abstract: In an embodiment, a method (of manufacturing fins for a semiconductor device) includes: forming a first layer (on a semiconductor substrate) that has first spacers and etch stop layer (ESL) portions which are interspersed; forming second spacers on central regions of the first spacers and the ESL portions; removing exposed regions of the first spacers and the ESL portions and corresponding underlying portions of the semiconductor substrate; removing the second spacers resulting in corresponding first capped semiconductor fins and second capped semiconductor fins that are organized into first and second sets; each member of the first set having a first cap with a first etch sensitivity; and each member of the second set having a second cap with a different second etch sensitivity; and eliminating selected ones of the first capped semiconductor fins and selected ones of the second capped semiconductor fins.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: March 28, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chih-Liang Chen, Chih-Ming Lai, Charles Chew-Yuen Young, Chin-Yuan Tseng, Jiann-Tyng Tzeng, Kam-Tou Sio, Ru-Gun Liu, Wei-Liang Lin, L. C. Chou
  • Publication number: 20230091869
    Abstract: The present disclosure describes various non-planar semiconductor devices, such as fin field-effect transistors (finFETs) to provide an example, having one or more metal rail conductors and various methods for fabricating these non-planar semiconductor devices. In some situations, the one or more metal rail conductors can be electrically connected to gate, source, and/or drain regions of these various non-planar semiconductor devices. In these situations, the one or more metal rail conductors can be utilized to electrically connect the gate, the source, and/or the drain regions of various non-planar semiconductor devices to other gate, source, and/or drain regions of various non-planar semiconductor devices and/or other semiconductor devices. However, in other situations, the one or more metal rail conductors can be isolated from the gate, the source, and/or the drain regions these various non-planar semiconductor devices.
    Type: Application
    Filed: November 7, 2022
    Publication date: March 23, 2023
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chih-Liang CHEN, Chih-Ming LAI, Ching-Wei TSAI, Charles Chew-Yuen YOUNG, Jiann-Tyng TZENG, Kuo-Cheng CHIANG, Ru-Gun LIU, Wei-Hao WU, Yi-Hsiung LIN, Chia-Hao CHANG, Lei-Chun CHOU
  • Patent number: 11610778
    Abstract: A method of defining a pattern includes forming a plurality of cut shapes and a first plurality of openings within a first layer of a multi-layer hard mask to expose first portions of the second layer. A plurality of etch stops is formed by implanting an etch rate modifying species in a portion of the plurality of cut shapes. The first layer is directionally etched at the plurality of cut shapes such that the plurality of etch stops remain. A spacer layer is formed on the first layer and the first portions. A second plurality of openings is formed within the spacer layer to expose second portions of the second layer. The spacer layer is directionally etched to remove the spacer layer from sidewalls of the plurality of etch stops. Portions of the second layer exposed through the first plurality of openings and the second plurality of openings are etched.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: March 21, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chih-Min Hsiao, Chien-Wen Lai, Shih-Chun Huang, Yung-Sung Yen, Chih-Ming Lai, Ru-Gun Liu
  • Publication number: 20230060387
    Abstract: An integrated circuit includes a first and second active region, a first conductive structure, an insulating region, a set of gates and a set of contacts. The first and second active region are in a substrate, extend in a first direction, are located on a first level, and being separated from one another in a second direction. The first conductive structure extends in the first direction, is located on the first level, and is between the first and second active region. The insulating region is located on at least the first level, and is between the first and second active region and the first conductive structure. The set of gates extend in the second direction, overlap the first conductive structure, and is located on a second level. The set of contacts extend in the second direction, overlap the first conductive structure, and is located on the second level.
    Type: Application
    Filed: November 7, 2022
    Publication date: March 2, 2023
    Inventors: Pochun WANG, Ting-Wei CHIANG, Chih-Ming LAI, Hui-Zhong ZHUANG, Jung-Chan YANG, Ru-Gun LIU, Ya-Chi CHOU, Yi-Hsiung LIN, Yu-Xuan HUANG, Yu-Jung CHANG, Guo-Huei WU, Shih-Ming CHANG
  • Patent number: 11592751
    Abstract: In a method of manufacturing a photo mask used in a semiconductor manufacturing process, a mask pattern layout in which a plurality of patterns are arranged is acquired. The plurality of patterns are converted into a graph having nodes and links. It is determined whether the nodes are colorable by N colors without causing adjacent nodes connected by a link to be colored by a same color, where N is an integer equal to or more than 3. When it is determined that the nodes are colorable by N colors, the nodes are colored with the N colors. The plurality of patterns are classified into N groups based on the N colored nodes. The N groups are assigned to N photo masks. N data sets for the N photo masks are output.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: February 28, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ken-Hsien Hsieh, Ru-Gun Liu, Wei-Shuo Su
  • Patent number: 11586115
    Abstract: A method of operating a semiconductor apparatus includes generating an electric field in peripheral areas of a first covering structure and a second covering structure; causing a photomask to move to a position between the first and second covering structures such that the photomask at least partially vertically overlaps the first and second covering structures and such that particles attached to the photomask are attracted to the first and second covering structures by the electric field; and irradiating the photomask with light through light transmission regions of the first and second covering structures.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: February 21, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Shih-Ming Chang, Chiu-Hsiang Chen, Ru-Gun Liu
  • Patent number: 11581300
    Abstract: A method is disclosed, including the following operations: arranging a first gate structure extending continuously above a first active region and a second active region of a substrate; arranging a first separation spacer disposed on the first gate structure to isolate an electronic signal transmitted through a first gate via and a second gate via that are disposed on the first gate structure, in which the first gate via and the second gate via are arranged above the first active region and the second active region respectively; and arranging a first local interconnect between the first active region and the second active region, in which the first local interconnect is electrically coupled to a first contact disposed on the first active region and a second contact disposed on the second active region.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: February 14, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Charles Chew-Yuen Young, Chih-Liang Chen, Chih-Ming Lai, Jiann-Tyng Tzeng, Shun-Li Chen, Kam-Tou Sio, Shih-Wei Peng, Chun-Kuang Chen, Ru-Gun Liu
  • Patent number: 11569090
    Abstract: A method of depositing a material on one of two, but not both, sidewalls of a raised structure formed on a substrate includes tilting a normal of the substrate away from a source of the deposition material or tilting the source of the deposition material away from the normal of the substrate. The method may be implemented by a plasma-enhanced chemical vapor deposition (PECVD) technique.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: January 31, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Shih-Chun Huang, Ya-Wen Yeh, Chien-Wen Lai, Wei-Liang Lin, Ya Hui Chang, Yung-Sung Yen, Ru-Gun Liu, Chin-Hsiang Lin, Yu-Tien Shen
  • Patent number: 11532482
    Abstract: A method of manufacturing a semiconductor device includes depositing a first material on a substrate, depositing on the substrate a second material that has an etch selectivity different from an etch selectively of the first material, depositing a spacer material on the first and second material, and etching the substrate using the spacer material as an etch mask to form a fin under the first material and a fin under the second material.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: December 20, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Lei-Chun Chou, Chih-Liang Chen, Chih-Ming Lai, Charles Chew-Yuen Young, Chin-Yuan Tseng, Hsin-Chih Chen, Shi Ning Ju, Jiann-Tyng Tzeng, Kam-Tou Sio, Ru-Gun Liu, Wei-Cheng Lin, Wei-Liang Lin
  • Publication number: 20220384190
    Abstract: A method for forming a semiconductor device structure is provided. The method includes forming a first spacer over a substrate. The method includes partially removing the first spacer to form a gap dividing the first spacer into a first part and a second part. The method includes forming a filling layer covering a first top surface and a first sidewall of the first spacer. The filling layer and the first spacer together form a strip structure. The method includes forming a second spacer over a second sidewall of the strip structure. The method includes forming a third spacer over a third sidewall of the second spacer. The third spacer is narrower than the second spacer.
    Type: Application
    Filed: August 9, 2022
    Publication date: December 1, 2022
    Inventors: Chih-Ming LAI, Shih-Ming CHANG, Wei-Liang LIN, Chin-Yuan TSENG, Ru-Gun LIU