Patents by Inventor Chih-Yu Chang

Chih-Yu 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: 20240355741
    Abstract: The present disclosure describes a method for forming capping layers configured to prevent the migration of out-diffused cobalt atoms into upper metallization layers In some embodiments, the method includes depositing a cobalt diffusion barrier layer on a liner-free conductive structure that includes ruthenium, where depositing the cobalt diffusion barrier layer includes forming the cobalt diffusion barrier layer self-aligned to the liner-free conductive structure. The method also includes depositing, on the cobalt diffusion barrier layer, a stack with an etch stop layer and dielectric layer, and forming an opening in the stack to expose the cobalt diffusion barrier layer. Finally, the method includes forming a conductive structure on the cobalt diffusion barrier layer.
    Type: Application
    Filed: July 1, 2024
    Publication date: October 24, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shuen-Shin LIANG, Chun-I TSAI, Chih-Wei CHANG, Chun-Hsien HUANG, Hung-Yi HUANG, Keng-Chu LIN, Ken-Yu CHANG, Sung-Li WANG, Chia-Hung CHU, Hsu-Kai CHANG
  • Publication number: 20240355671
    Abstract: A semiconductor device structure, along with methods of forming such, are described. The semiconductor device structure includes a device, a conductive structure disposed over the device, and the conductive structure includes a sidewall having a first portion and a second portion. The semiconductor device structure further includes a first spacer layer including a third portion and a fourth portion, the third portion surrounds the first portion of the sidewall, and the fourth portion is disposed on the conductive structure. The semiconductor device structure further includes a first dielectric material surrounding the third portion, and an air gap is formed between the first dielectric material and the third portion of the first spacer layer. The first dielectric material includes a first material different than a second material of the first spacer layer, and the first dielectric material is substantially coplanar with the fourth portion of the first spacer layer.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Inventors: LIN-YU HUANG, LI-ZHEN YU, CHIA-HAO CHANG, CHENG-CHI CHUANG, CHIH-HAO WANG, KUAN-LUN CHENG
  • Patent number: 12125912
    Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a contact over a source/drain region of a fin structure, a gate stack over a channel region of the fin structure, a first mask layer covering the gate stack, and a second mask layer covering the contact. A side surface of the first mask layer is direct contact with a side surface of the second mask layer, and the first mask layer includes a portion directly below the second mask layer.
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: October 22, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Lin-Yu Huang, Jia-Chuan You, Chia-Hao Chang, Tien-Lu Lin, Yu-Ming Lin, Chih-Hao Wang
  • Publication number: 20240347463
    Abstract: Semiconductor device and the manufacturing method thereof are disclosed herein. An exemplary semiconductor device comprises a fin disposed over a substrate, a gate structure disposed over a channel region of the fin, such that the gate structure traverses source/drain regions of the fin, a device-level interlayer dielectric (ILD) layer of a multi-layer interconnect structure disposed over the substrate, wherein the device-level ILD layer includes a first dielectric layer, a second dielectric layer disposed over the first dielectric layer, and a third dielectric layer disposed over the second dielectric layer, wherein a material of the third dielectric layer is different than a material of the second dielectric layer and a material of the first dielectric layer. The semiconductor device further comprises a gate contact to the gate structure disposed in the device-level ILD layer and a source/drain contact to the source/drain regions disposed in the device-level ILD layer.
    Type: Application
    Filed: June 25, 2024
    Publication date: October 17, 2024
    Inventors: Lin-Yu Huang, Sheng-Tsung Wang, Jia-Chuan You, Chia-Hao Chang, Tien-Lu Lin, Yu-Ming Lin, Chih-Hao Wang
  • Publication number: 20240347546
    Abstract: A method of making a semiconductor device includes manufacturing a first bridge pillar; manufacturing a first transistor channel bar and first transistor source/drain electrode, the first transistor S/D electrode electrically connecting to the first bridge pillar; manufacturing a second transistor channel bar and second transistor S/D electrode; manufacturing a first metal electrode, the first bridge pillar connecting the first transistor S/D electrode and first metal electrode; manufacturing a first via connected to the first metal electrode; and manufacturing a first conductive line connected to the first via. The first transistor S/D electrode and the second transistor S/D electrode are spaced apart by a first height, the first metal electrode is separate from the second transistor S/D electrode, the first bridge pillar is separate from the second transistor S/D electrode, and the first bridge pillar has a height in the first direction substantially equal to the first height.
    Type: Application
    Filed: June 26, 2024
    Publication date: October 17, 2024
    Inventors: Chih-Yu LAI, Chih-Liang CHEN, Ching-Wei TSAI, Shang-Wen CHANG, Li-Chun TIEN
  • Publication number: 20240347598
    Abstract: A semiconductor structure includes a source/drain (S/D) feature; one or more channel semiconductor layers connected to the S/D feature; a gate structure engaging the one or more channel semiconductor layers; a first silicide feature at a frontside of the S/D feature; a second silicide feature at a backside of the S/D feature; and a dielectric liner layer at the backside of the S/D feature, below the second silicide feature, and spaced away from the second silicide feature by a first gap. A backside power rail is included.
    Type: Application
    Filed: June 21, 2024
    Publication date: October 17, 2024
    Inventors: Lin-Yu Huang, Li-Zhen Yu, Chia-Hao Chang, Cheng-Chi Chuang, Kuan-Lun Cheng, Chih-Hao Wang
  • Patent number: 12114509
    Abstract: In an embodiment, a structure includes one or more first transistors in a first region of a device, the one or more first transistors supporting a memory access function of the device. The structure includes one or more ferroelectric random access memory (FeRAM) capacitors in a first inter-metal dielectric (IMD) layer over the one or more first transistors in the first region. The structure also includes one or more metal-ferroelectric insulator-metal (MFM) decoupling capacitors in the first IMD layer in a second region of the device. The MFM capacitors may include two or more capacitors coupled in series to act as a voltage divider.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: October 8, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Tzu-Yu Chen, Kuo-Chi Tu, Fu-Chen Chang, Chih-Hsiang Chang, Sheng-Hung Shih
  • Patent number: 12111996
    Abstract: A driving apparatus and an operation method thereof are provided. The driving apparatus includes a first driving circuit and a second driving circuit. The first driving circuit suspends performing at least one of a display driving operation and a touch sensing operation during a skip period under a driving mode, and the first driving circuit performs the at least one of the display driving operation and the touch sensing operation outside the skip period under the driving mode. The second driving circuit is coupled to the first driving circuit. The second driving circuit performs a fingerprint sensing operation during the skip period.
    Type: Grant
    Filed: August 19, 2022
    Date of Patent: October 8, 2024
    Assignee: Novatek Microelectronics Corp.
    Inventors: Wei-Lun Shih, Tsen-Wei Chang, Cho-Hsuan Jhang, Chih-Peng Hsia, Cheng-Yu Chiang
  • Publication number: 20240329361
    Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a circuit assembly. The movable assembly is configured to connect an optical element, the movable assembly is movable relative to the fixed assembly, and the optical element has an optical axis. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The circuit assembly includes a plurality of circuits and is affixed to the fixed assembly.
    Type: Application
    Filed: June 7, 2024
    Publication date: October 3, 2024
    Inventors: Sin-Hong LIN, Yung-Ping YANG, Wen-Yen HUANG, Yu-Cheng LIN, Kun-Shih LIN, Chao-Chang HU, Yung-Hsien YEH, Mao-Kuo HSU, Chih-Wei WENG, Ching-Chieh HUANG, Chih-Shiang WU, Chun-Chia LIAO, Chia-Yu CHANG, Hung-Ping CHEN, Wei-Zhong LUO, Wen-Chang LIN, Shou-Jen LIU, Shao-Chung CHANG, Chen-Hsin HUANG, Meng-Ting LIN, Yen-Cheng CHEN, I-Mei HUANG, Yun-Fei WANG, Wei-Jhe SHEN
  • Publication number: 20240332066
    Abstract: A semiconductor structure includes a substrate; a first dielectric layer on the substrate; an etch stop layer on the first dielectric layer; a second dielectric layer on the etch stop layer; a first conductor and a second conductor in the second dielectric layer, an air gap in the second dielectric layer and between the first conductor and the second conductor; and a low-polarity dielectric layer on a sidewall surface of the second dielectric layer within the air gap.
    Type: Application
    Filed: April 20, 2023
    Publication date: October 3, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Da-Jun Lin, Chih-Wei Chang, Fu-Yu Tsai, Bin-Siang Tsai
  • Publication number: 20240331796
    Abstract: The present disclosure describes a magnetic memory device. The magnetic memory device includes a magnetic sensing array configured to sense an external magnetic field strength. The magnetic memory device further includes a voltage modulator configured to, in response to the external magnetic field strength being greater than a threshold magnetic field strength, provide a test voltage different from a current write voltage of the magnetic memory device. The magnetic memory device further includes an error check array configured to use the test voltage as a write voltage of the error check array and provide a bit error rate corresponding to the test voltage. The magnetic memory device further includes a control unit configured to adjust, based on the bit error rate being equal to or less than a threshold bit error rate, a write voltage of the magnetic memory device from the current write voltage to the test voltage.
    Type: Application
    Filed: June 10, 2024
    Publication date: October 3, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Hsiang CHEN, Chih-Yang Chang, Chia Yu Wang, Meng-Chun Shih
  • Publication number: 20240321870
    Abstract: A semiconductor device includes a substrate. The semiconductor device further includes a first gate structure on a first side of the substrate. The semiconductor device further includes a second gate structure on a second side of the substrate, wherein the first side is opposite the second side. The semiconductor device further includes a gate via extending through the substrate, wherein the gate via directly connects to the first gate structure, and the gate via directly connects to the second gate structure.
    Type: Application
    Filed: June 5, 2024
    Publication date: September 26, 2024
    Inventors: Chih-Yu LAI, Chih-Liang CHEN, Chi-Yu LU, Shang-Syuan CIOU, Hui-Zhong ZHUANG, Ching-Wei TSAI, Shang-Wen CHANG
  • Publication number: 20240321637
    Abstract: The present disclosure provides a semiconductor structure. The structure includes a semiconductor substrate, a gate stack over a first portion of a top surface of the semiconductor substrate; and a laminated dielectric layer over at least a portion of a top surface of the gate stack. The laminated dielectric layer includes at least a first sublayer and a second sublayer. The first sublayer is formed of a material having a dielectric constant lower than a dielectric constant of a material used to form the second sublayer and the material used to form the second sublayer has an etch selectivity higher than an etch selectivity of the material used to form the first sublayer.
    Type: Application
    Filed: May 1, 2024
    Publication date: September 26, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Lin Chuang, Chia-Hao Chang, Sheng-Tsung Wang, Lin-Yu Huang, Tien-Lu Lin, Yu-Ming Lin, Chih-Hao Wang
  • Publication number: 20240313046
    Abstract: A method for fabricating a semiconductor device includes the steps of forming a fin-shaped structure on a substrate, forming a first trench and a second trench in the fin-shaped structure, forming a first dielectric layer in the first trench and the second trench, removing part of the first dielectric layer, forming a second dielectric layer in the first trench and the second trench to form a first single diffusion break (SDB) structure and a second SDB structure, and then forming a gate structure on the fin-shaped structure, the first SDB structure, and the second SDB structure.
    Type: Application
    Filed: April 13, 2023
    Publication date: September 19, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Guang-Yu Lo, Chun-Tsen Lu, Chung-Fu Chang, Chih-Shan Wu, Yu-Hsiang Lin, Wei-Hao Chang
  • Patent number: 12078607
    Abstract: A method of characterizing a wide-bandgap semiconductor material is provided. A substrate is provided, which includes a layer stack of a conductive material layer, a dielectric material layer, and a wide-bandgap semiconductor material layer. A mercury probe is disposed on a top surface of the wide-bandgap semiconductor material layer. Alternating-current (AC) capacitance of the layer stack is determined as a function of a variable direct-current (DC) bias voltage across the conductive material layer and the wide-bandgap semiconductor material layer. A material property of the wide-bandgap semiconductor material layer is extracted from a profile of the AC capacitance as a function of the DC bias voltage.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: September 3, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Chih-Yu Chang, Ken-Ichi Goto, Yen-Chieh Huang, Min-Kun Dai, Han-Ting Tsai, Sai-Hooi Yeong, Yu-Ming Lin, Chung-Te Lin
  • Publication number: 20240290661
    Abstract: A method of forming an integrated circuit structure includes forming a first source/drain contact plug over and electrically coupling to a source/drain region of a transistor, forming a first dielectric hard mask overlapping a gate stack, recessing the first source/drain contact plug to form a first recess, forming a second dielectric hard mask in the first recess, recessing an inter-layer dielectric layer to form a second recess, and forming a third dielectric hard mask in the second recess. The third dielectric hard mask contacts both the first dielectric hard mask and the second dielectric hard mask.
    Type: Application
    Filed: May 6, 2024
    Publication date: August 29, 2024
    Inventors: Lin-Yu Huang, Li-Zhen Yu, Sheng-Tsung Wang, Jia-Chuan You, Chia-Hao Chang, Tien-Lu Lin, Yu-Ming Lin, Chih-Hao Wang
  • Publication number: 20240279063
    Abstract: Disclosed is a method of manufacturing a multi-porous biomass carbon material, comprising: a material preparation step of preparing a raw material mixture by evenly mixing a biomass carbon source and an oxidant at a stirring temperature; a reduction-oxidation step of heating the raw material mixture in an oxygen-deficient environment and making the raw material mixture undergo a reduction-oxidation reaction to obtain an original product; a first-pickling-drying step of pickling the original product to obtain a first-pickling product, performing a drying treatment thereon to obtain a dried product; a heat treatment step of heating the dried product at a heat treatment temperature in an oxygen-deficient thereby obtaining a volatile-component-removed product; and a second-pickling-drying step of making the second-pickling product become the multi-porous biomass carbon material.
    Type: Application
    Filed: March 25, 2023
    Publication date: August 22, 2024
    Applicant: CPC CORPORATION, TAIWAN
    Inventors: Tzu-Hsein HSIEH, Chia-Yu CHANG, Chih-Yung WU, Yang-Chuang CHANG
  • Publication number: 20240282589
    Abstract: A method includes providing a semiconductor chip with a plurality of first connector structures disposed on a topmost one of a plurality of metallization layers. The method includes forming a redistribution structure comprising a plurality of conductive layers and a plurality of via structures, adjacent ones of the plurality of conductive layers being connected through at least a corresponding one of the plurality of via structures. The method includes bonding the plurality of first connector structures to the redistribution structure. The method includes bonding the redistribution structure to a carrier substrate through a plurality of second connector structures. Forming the redistribution structure includes laterally rotating a first one of the plurality of via structures around a second one of the plurality of via structures, the first via structure being vertically above the second via structure.
    Type: Application
    Filed: June 5, 2023
    Publication date: August 22, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Han-Hsiang Huang, Chun-Hsien Wen, Ting-Yu Yeh, Chih-Wei Chang
  • Patent number: 12068382
    Abstract: A semiconductor structure includes a substrate; a first structure over the substrate and having a first gate stack and two first gate spacers on two opposing sidewalls of the first gate stack; a second structure over the substrate and having a second gate stack and two second gate spacers on two opposing sidewalls of the second gate stack; a source/drain (S/D) feature over the substrate and adjacent to the first and the second gate stacks; an S/D contact over the S/D feature and between one of the first gate spacers and one of the second gate spacers; a conductive via disposed over and electrically connected to the S/D contact; and a dielectric liner layer. A first portion of the dielectric liner layer is disposed on a sidewall of the one of the first gate spacers and is directly above the S/D contact and spaced from the S/D contact.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: August 20, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Lin-Yu Huang, Li-Zhen Yu, Chia-Hao Chang, Cheng-Chi Chuang, Kuan-Lun Cheng, Chih-Hao Wang
  • Publication number: 20240276737
    Abstract: The present disclosure provides a method for manufacturing a semiconductor structure. The method includes: receiving a substrate; forming a transistor surrounded by a dielectric layer over the substrate, wherein the dielectric layer includes a through hole, and the transistor is formed in the through hole; forming a gate contact in the through hole to electrically connect the transistor; forming a ferroelectric layer over the gate contact in the through hole; forming an insulating layer conformal to and over the dielectric layer and the ferroelectric layer; removing a portion of the insulating layer to form a spacer in the through hole and over the ferroelectric layer; and forming a top electrode over the ferroelectric layer and between the spacer.
    Type: Application
    Filed: April 24, 2024
    Publication date: August 15, 2024
    Inventors: CHIH-YU CHANG, SAI-HOOI YEONG, YU-MING LIN, CHIH-HAO WANG