Patents by Inventor Hsin Liu

Hsin 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: 20230375940
    Abstract: A method includes: depositing a mask layer over a substrate; directing radiation reflected from a collector of a lithography system toward the mask layer according to a pattern; blocking a portion of the radiation by a blocking structure, the blocking structure being attached to a reflector of the lithography system; forming openings in the mask layer by removing regions of the mask layer exposed to the radiation; and removing material of a layer underlying the mask layer exposed by the openings.
    Type: Application
    Filed: May 18, 2022
    Publication date: November 23, 2023
    Inventors: Shang-Chieh Chien, Hung-Wen Cho, Wei-Shin Cheng, Ming-Hsun Tsai, Jyun-Yan Chuang, Li-Jui Chen, Heng-Hsin Liu
  • Publication number: 20230378296
    Abstract: A semiconductor device includes a substrate and a gate structure over the substrate. The semiconductor device includes a source in the substrate on a first side of the gate structure. The semiconductor device further includes a drain in the substrate on a second side of the gate structure. The semiconductor device further includes a first well having a first dopant type, wherein the first well contacts at least two surfaces of the source. The semiconductor device further includes a second well having the first dopant type, wherein the second well contacts at least two surfaces of the drain. The semiconductor device further includes a deep well below the first well and below the second well, wherein the second well extends between the first well and the deep well. In some embodiments, the deep well has a second dopant type, and the second dopant type is opposite the first dopant type.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Inventors: Chih-Chang CHENG, Fu-Yu CHU, Ruey-Hsin LIU
  • Publication number: 20230375950
    Abstract: A method includes irradiating debris deposited in an extreme ultraviolet (EUV) lithography system with laser, controlling one or more of a wavelength of the laser or power of the laser to selectively vaporize the debris and limit damage to the EUV) lithography system, and removing the vaporized debris.
    Type: Application
    Filed: August 7, 2023
    Publication date: November 23, 2023
    Inventors: Chun-Han LIN, Chieh HSIEH, Sheng-Kang YU, Shang-Chieh CHIEN, Heng-Hsin LIU, Li-Jui CHEN
  • Publication number: 20230375949
    Abstract: A method includes: removing debris on a collector of a lithography equipment by changing physical structure of the debris with a cleaner, the cleaner being at a temperature less than about 13 degrees Celsius; forming a cleaned collector by exhausting the removable debris from the collector; and forming openings in a mask layer on a substrate by removing regions of the mask layer exposed to radiation from the cleaned collector.
    Type: Application
    Filed: May 23, 2022
    Publication date: November 23, 2023
    Inventors: Cho-Ying LIN, Tai-Yu CHEN, Chieh HSIEH, Sheng-Kang YU, Shang-Chieh CHIEN, Li-Jui CHEN, Heng-Hsin LIU
  • Patent number: 11822256
    Abstract: A reticle is pre-heated prior to an exposure operation of a semiconductor substrate lot to reduce substrate to substrate temperature variations of the reticle in the exposure operation. The reticle may be pre-heated while being stored in a reticle storage slot, while being transferred from the reticle storage slot to a reticle stage of an exposure tool, and/or in another location prior to being secured to the reticle stage for the exposure operation. In this way, the reduction in temperature variation of the reticle in the exposure operation provided by pre-heating the reticle may reduce overlay deltas and misalignment for the semiconductor substrates that are processed in the exposure operation. This increases overlay performance, increases yield of the exposure tool, and increases semiconductor device quality.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: November 21, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kai-Chieh Chang, Kai-Fa Ho, Li-Jui Chen, Heng-Hsin Liu
  • Publication number: 20230367225
    Abstract: A photolithography system utilizes tin droplets to generate extreme ultraviolet radiation for photolithography. The photolithography system irradiates the droplets with a laser. The droplets become a plasma and emit extreme ultraviolet radiation. The photolithography system senses contamination of a collector mirror by the tin droplets and adjusts the flow of a buffer fluid to reduce the contamination.
    Type: Application
    Filed: July 28, 2023
    Publication date: November 16, 2023
    Inventors: Tai-Yu CHEN, Sagar Deepak KHIVSARA, Kuo-An LIU, Chieh HSIEH, Shang-Chieh CHIEN, Gwan-Sin CHANG, Kai Tak LAM, Li-Jui CHEN, Heng-Hsin LIU, Chung-Wei WU, Zhiqiang WU
  • Patent number: 11817396
    Abstract: In some embodiments, a semiconductor device is provided. The semiconductor device includes an isolation structure disposed in a semiconductor substrate, where an inner perimeter of the isolation structure demarcates a device region of the semiconductor substrate. A gate is disposed over the device region, where an outer perimeter of the gate is disposed within the inner perimeter of the isolation structure. A first source/drain region is disposed in the device region and on a first side of the gate. A second source/drain region is disposed in the device region and on a second side of the gate opposite the first side. A silicide blocking structure partially covers the gate, partially covers the first source/drain region, and partially covers the isolation structure, where a first sidewall of the silicide blocking structure is disposed between first opposite sidewalls of the gate.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: November 14, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Chang Cheng, Fu-Yu Chu, Ruey-Hsin Liu
  • Publication number: 20230359125
    Abstract: In a method of generating extreme ultraviolet (EUV) radiation in a semiconductor manufacturing system one or more streams of a gas is directed, through one or more gas outlets mounted over a rim of a collector mirror of an EUV radiation source, to generate a flow of the gas over a surface of the collector mirror. The one or more flow rates of the one or more streams of the gas are adjusted to reduce an amount of metal debris deposited on the surface of the collector mirror.
    Type: Application
    Filed: July 18, 2023
    Publication date: November 9, 2023
    Inventors: Che-Chang HSU, Sheng-Kang Yu, Shang-Chieh Chien, Li-Jui Chen, Heng-Hsin Liu
  • Publication number: 20230359133
    Abstract: A semiconductor substrate stage for carrying a substrate is provided. The semiconductor substrate stage includes a base layer, a magnetic shielding layer disposed on the base layer, a carrier layer disposed on the magnetic shielding layer, a receiver disposed on the carrier layer, a storage layer disposed between the base layer and the magnetic shielding layer, and a magnetic shielding element disposed on the carrier layer and surrounding the receiver.
    Type: Application
    Filed: July 13, 2023
    Publication date: November 9, 2023
    Inventors: Yu-Huan CHEN, Yu-Chih HUANG, Ya-An PENG, Shang-Chieh CHIEN, Li-Jui CHEN, Heng-Hsin LIU
  • Patent number: 11809083
    Abstract: Impurities in a liquefied solid fuel utilized in a droplet generator of an extreme ultraviolet photolithography system are removed from vessels containing the liquefied solid fuel. Removal of the impurities increases the stability and predictability of droplet formation which positively impacts wafer yield and droplet generator lifetime.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: November 7, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Cheng-Hao Lai, Ming-Hsun Tsai, Hsin-Feng Chen, Wei-Shin Cheng, Yu-Kuang Sun, Cheng-Hsuan Wu, Yu-Fa Lo, Shih-Yu Tu, Jou-Hsuan Lu, Shang-Chieh Chien, Li-Jui Chen, Heng-Hsin Liu
  • Patent number: 11809087
    Abstract: Some implementations described herein provide an exposure tool and associated methods of operation in which a scanner control system generates a scanner route for an exposure recipe such that the distance traveled by a substrate stage of the exposure tool along the scanner route is reduced and/or optimized for non-exposure fields on a semiconductor substrate. In this way, the scanner control system increases the productivity of the exposure tool, reduces processing times of the exposure tool, and increases yield in a semiconductor fabrication facility in which the exposure tool is included.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: November 7, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kai-Chieh Chang, Kai-Fa Ho, Li-Jui Chen, Heng-Hsin Liu
  • Patent number: 11803326
    Abstract: A memory comprising a memory array, including a plurality of blocks, and control circuits comprising logic to execute operations is provided. The operations include decoding a read setup burst command identifying (i) an address of a first read setup block in a set of read setup blocks and (ii) a number of read setup blocks, as candidates for read setup operations. The operations further including, in response to the decoding of the read setup burst command, performing a read setup burst operation on a plurality of read setup blocks of the set of read setup blocks.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: October 31, 2023
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chien-Hsin Liu, Yu-Chih Yeh, Chin-Chu Chung
  • Patent number: 11803129
    Abstract: Some implementations described herein include operating components in a lithography system at variable speeds to reduce, minimize, and/or prevent particle generation due to rubbing of or collision between contact parts of the components. In some implementations, a component in a path of transfer of a semiconductor substrate in the lithography system is operated at a relatively high movement speed through a first portion of an actuation operation, and is operated at a reduced movement speed (e.g., a movement speed that is less than the high movement speed) through a second portion of the actuation operation in which contact parts of the component are to interact. The reduced movement speed reduces the likelihood of particle generation and/or release from the contact parts when the contact parts interact, while the high movement speed provides a high semiconductor substrate throughput in the lithography system.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: October 31, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shao-Hua Wang, Kueilin Ho, Cheng Wei Sun, Zong-You Yang, Chih-Chun Chiang, Yi-Fam Shiu, Chueh-Chi Kuo, Heng-Hsin Liu, Li-Jui Chen
  • Publication number: 20230345610
    Abstract: In order to prevent long down-time that occurs with unexpected material depletion, an Inline Tin Stream Monitor (ITSM) system precisely measures the tin amount introduced by an in-line refill system and precisely estimates remaining runtime by measuring pressure level changes before and after in-line refill.
    Type: Application
    Filed: April 22, 2022
    Publication date: October 26, 2023
    Inventors: Yu-Kuang SUN, Ming-Hsun TSAI, Wei-Shin CHENG, Cheng-Hao LAI, Hsin-Feng CHEN, Chiao-Hua CHENG, Cheng Hsuan WU, Yu-Fa LO, Jou-Hsuan LU, Shang-Chieh CHIEN, Li-Jui CHEN, Heng-Hsin LIU
  • Patent number: 11800673
    Abstract: An electronic device is provided. The electronic device includes a device housing, a circuit board, and a board module. The device housing includes a restriction unit. The circuit board includes a circuit board connector, wherein the circuit board is disposed in the device housing. The board module includes a module housing, a module board, a module connector, and a preload unit. The module connector is disposed on the module board. The preload unit and the module board are disposed on the module housing. The preload unit is connected to the restriction unit and applies a first elastic force toward the restriction unit. The module connector can thus be sufficiently connected to the circuit board connector.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: October 24, 2023
    Assignee: WISTRON CORP.
    Inventors: Lei Kuang, Chia-Hsin Liu
  • Patent number: 11782350
    Abstract: A lithography system includes a table body, a wafer stage, a first sliding member, a second sliding member, a first cable, a first bracket, a rail guide, and a first protective film. The first sliding member is coupled to the wafer stage. The second sliding member is coupled to an edge of the table body, in which the first sliding member is coupled to a track of the second sliding member. The first bracket fixes the first cable, the first bracket being coupled to a roller structure, in which the roller structure includes a body and a wheel coupled to the body. The rail guide confines a movement of the wheel of the roller structure. The first protective film is adhered to a surface of the rail guide, in which the roller structure is moveable along the first protective film on the surface of the rail guide.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: October 10, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shao-Hua Wang, Chueh-Chi Kuo, Kuei-Lin Ho, Zong-You Yang, Cheng-Wei Sun, Wei-Yuan Chen, Cheng-Chieh Chen, Heng-Hsin Liu, Li-Jui Chen
  • Publication number: 20230309194
    Abstract: Some implementations described herein incorporate a heating system to heat a cover of a bucket. A liquified target material, collected by vanes and/or a transport ring within a vessel of an extreme ultraviolet (EUV) radiation source, flows through a drain port of the transport ring and through a conduit that provides the liquified target material to the bucket through an opening of the cover. By heating the cover, the heating system prevents the liquified target material from solidifying at or near the opening before the liquified target material can flow into the bucket. By preventing the solidifying of the liquid target material, a likelihood of a blockage within the conduit and/or the drain port is reduced.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 28, 2023
    Inventors: Wei-Chun YEN, Sheng-Kang YU, Shang-Chieh CHIEN, Li-Jui CHEN, Heng-Hsin LIU
  • Patent number: 11768437
    Abstract: A photolithography system utilizes tin droplets to generate extreme ultraviolet radiation for photolithography. The photolithography system irradiates the droplets with a laser. The droplets become a plasma and emit extreme ultraviolet radiation. The photolithography system senses contamination of a collector mirror by the tin droplets and adjusts the flow of a buffer fluid to reduce the contamination.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: September 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Tai-Yu Chen, Sagar Deepak Khivsara, Kuo-An Liu, Chieh Hsieh, Shang-Chieh Chien, Gwan-Sin Chang, Kai Tak Lam, Li-Jui Chen, Heng-Hsin Liu, Chung-Wei Wu, Zhiqiang Wu
  • Patent number: 11769812
    Abstract: A semiconductor device includes a substrate and a gate structure over the substrate. The semiconductor device includes a source in the substrate on a first side of the gate structure. The semiconductor device further includes a drain in the substrate on a second side of the gate structure. The semiconductor device further includes a first well having a first dopant type, wherein the first well contacts at least two surfaces of the source. The semiconductor device further includes a second well having the first dopant type, wherein the second well contacts at least two surfaces of the drain. The semiconductor device further includes a deep well below the first well and below the second well, wherein the second well extends between the first well and the deep well. In some embodiments, the deep well has a second dopant type, and the second dopant type is opposite the first dopant type.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: September 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chih-Chang Cheng, Fu-Yu Chu, Ruey-Hsin Liu
  • Publication number: 20230296992
    Abstract: An extreme ultraviolet (EUV) photolithography system detects debris travelling from an EUV generation chamber to a scanner. The photolithography system includes a detection light source and a sensor. The detection light source outputs a detection light across a path of travel of debris particles from the EUV generation chamber. The sensor senses debris particles by detecting interaction of the debris particles with the detection light.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Inventors: Shih-Yu TU, Chieh HSIEH, Shang-Chieh CHIEN, Li-Jui CHEN, Heng-Hsin LIU