Patents Examined by Dao H. Nguyen
  • Patent number: 11963346
    Abstract: The present application provides a semiconductor structure and a preparation method thereof, including: a substrate; a trench; a bit line contact structure; a bit line structure; a bit line protection structure, the bit line protection structure including a top dielectric layer and a sidewall structure, the top dielectric layer is located on the bit line structure and forms a laminated structure together with the bit line structure; the sidewall structure covers part of sidewalls of the laminated structure on the substrate, the sidewall structure has a first air gap; an isolation pattern structure, the isolation pattern structure has a second air gap, the isolation pattern structure extends along a second direction, the second direction intersects with the first direction, to form capacitance contact hole between the adjacent bit line protection structures and the adjacent isolation pattern structures.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: April 16, 2024
    Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
    Inventors: Yexiao Yu, Junyi Zhang
  • Patent number: 11961832
    Abstract: An integrated circuit device includes a substrate having a first intellectual property (IP) core including a cell region and a first edge dummy region, fin-type active regions protruding from the cell region, dummy fin-type active regions protruding from the first edge dummy region, gate lines extending, over the cell region of the substrate, the gate lines including two adjacent gate lines spaced apart from each other with a first pitch and two adjacent gate lines spaced apart with a second pitch greater than the first pitch, dummy gate lines over the first edge dummy region of the substrate and equally spaced apart from each other with the first pitch.
    Type: Grant
    Filed: May 9, 2023
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jina Lee, Hyungjoo Youn
  • Patent number: 11948974
    Abstract: A semiconductor device including vertical transistors with a back side power structure, and methods of making the same are described. In one example, a described semiconductor structure includes: a gate structure including a gate pad and a gate contact on the gate pad; a first source region disposed below the gate pad; a first drain region disposed on the gate pad, wherein the first source region, the first drain region and the gate structure form a first transistor; a second source region disposed below the gate pad; a second drain region disposed on the gate pad, wherein the second source region, the second drain region and the gate structure form a second transistor; and at least one metal line that is below the first source region and the second source region, and is electrically connected to at least one power supply.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: April 2, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shih-Wei Peng, Te-Hsin Chiu, Jiann-Tyng Tzeng
  • Patent number: 11942513
    Abstract: The present disclosure provides a semiconductor structure, including a substrate having a front surface, a first semiconductor layer proximal to the front surface, a second semiconductor layer over the first semiconductor layer, a gate having a portion between the first semiconductor layer and the second semiconductor layer, a spacer between the first semiconductor layer and the second semiconductor layer, contacting the gate, and a source/drain (S/D) region, wherein the S/D region is in direct contact with a bottom surface of the second semiconductor layer, and the spacer has an upper surface interfacing with the second semiconductor layer, the upper surface including a first section proximal to the S/D region, a second section proximal to the gate, and a third section between the first section and the second section.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: March 26, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Guan-Lin Chen, Kuo-Cheng Chiang, Chih-Hao Wang, Shi Ning Ju, Jui-Chien Huang
  • Patent number: 11942390
    Abstract: A device includes a device layer comprising a first transistor; a first interconnect structure on a front-side of the device layer; and a second interconnect structure on a backside of the device layer. The second interconnect structure includes a first dielectric layer on the backside of the device layer; a contact extending through the first dielectric layer to a source/drain region of the first transistor; a conductive line electrically connected to the source/drain region of the first transistor through the contact; and a thermal dissipation path thermally connected to the device layer, the thermal dissipation path extending to a surface of the second interconnect structure opposite the device layer. The thermal dissipation path comprises a dummy via.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: March 26, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Wen-Sheh Huang, Yu-Hsiang Chen, Chii-Ping Chen
  • Patent number: 11935941
    Abstract: A semiconductor structure includes a substrate, a conductive region, a first insulation layer, a second insulation layer, a gate structure, a low-k spacer, a gate contact, and a conductive region contact. The low-k spacer is formed between a sidewall of the gate structure and the first insulation layer. The gate contact is landed on a top surface of the gate structure. A proximity distance between a sidewall of the gate contact and the conductive region contact along a top surface of the second insulation layer is in a range of from about 4 nm to about 7 nm. A method for manufacturing a semiconductor structure is also provided.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: March 19, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chih-Hsuan Lin, Hsi Chung Chen, Chih-Teng Liao
  • Patent number: 11935783
    Abstract: Examples of an integrated circuit with an interconnect structure and a method for forming the integrated circuit are provided herein. In some examples, the method includes receiving a workpiece that includes a substrate and an interconnect structure. The interconnect structure includes a first conductive feature disposed within a first inter-level dielectric layer. A blocking layer is selectively formed on the first conductive feature without forming the blocking layer on the first inter-level dielectric layer. An alignment feature is selectively formed on the first inter-level dielectric layer without forming the alignment feature on the blocking layer. The blocking layer is removed from the first conductive feature, and a second inter-level dielectric layer is formed on the alignment feature and on the first conductive feature. The second inter-level dielectric layer is patterned to define a recess for a second conductive feature, and the second conductive feature is formed within the recess.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: March 19, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hsin-Yen Huang, Shao-Kuan Lee, Cheng-Chin Lee, Hai-Ching Chen, Shau-Lin Shue
  • Patent number: 11930631
    Abstract: The present disclosure relates to a semiconductor memory device and a fabricating method thereof, and the semiconductor memory device includes a substrate, bit lines, plugs and a spacer structure. The bit lines are separately disposed on the substrate, and the plugs are also disposed on the substrate to alternately arrange with the bit lines. The spacer structure is disposed on the substrate, between each of the bit lines and each of the plugs. The spacer structure includes a first air gap layer, a first spacer and a second air gap layer, and the first air gap layer, the first spacer and the second air gap layer are sequentially stacked between sidewalls of the bit lines and the plugs. Therefore, two air gap layers may be formed between the bit lines and the storage node contacts to improve the delay between the resistor and the capacitor.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: March 12, 2024
    Assignee: Fujian Jinhua Integrated Circuit Co., Ltd.
    Inventors: Ken-Li Chen, Yifei Yan, Yu-Cheng Tung
  • Patent number: 11923323
    Abstract: An RF flip chip is provided in which a local bump region adjacent a die corner includes a balun having a centrally-located bump.
    Type: Grant
    Filed: June 18, 2022
    Date of Patent: March 5, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Ibrahim Ramez Chamas, Mohamed Abouzied, Bhushan Shanti Asuri
  • Patent number: 11923438
    Abstract: A semiconductor structure includes a substrate comprising a semiconductor material, and a fin on the substrate. The fin includes a first portion formed from the semiconductor material and a second portion including a channel region. The first portion has a first thickness and the second portion has a second thickness greater than the first thickness. A spacer is disposed on sides of the first portion of the fin.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: March 5, 2024
    Assignee: International Business Machines Corporation
    Inventors: Kangguo Cheng, Shogo Mochizuki, Juntao Li, Choonghyun Lee
  • Patent number: 11925015
    Abstract: Vertical memory devices, and methods of manufacturing the same, include providing a substrate including a cell array region and a peripheral circuit region, forming a mold structure in the cell array region, forming an opening for a common source line passing through the mold structure and extending in a first direction perpendicular to a top surface of the substrate, forming a first contact plug having an inner sidewall delimiting a recessed region in the opening for the common source line, and forming a common source bit line contact electrically connected to the inner sidewall of the first contact plug.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Yong Park, Kee-Jeong Rho, Hyeong Park, Tae-Wan Lim
  • Patent number: 11917803
    Abstract: A semiconductor device according to the present disclosure includes a gate-all-around (GAA) transistor in a first device area and a fin-type field effect transistor (FinFET) in a second device area. The GAA transistor includes a plurality of vertically stacked channel members and a first gate structure over and around the plurality of vertically stacked channel members. The FinFET includes a fin-shaped channel member and a second gate structure over the fin-shaped channel member. The fin-shaped channel member includes semiconductor layers interleaved by sacrificial layers.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: February 27, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Feng-Ching Chu, Wei-Yang Lee, Feng-Cheng Yang, Yen-Ming Chen
  • Patent number: 11916115
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip including a field plate. A gate structure overlies a substrate between a source region and a drain region. A drift region is disposed laterally between the gate structure and the drain region. A first dielectric layer overlies the substrate. A field plate is disposed within the first dielectric layer between the gate structure and the drain region. A conductive wire overlies the first dielectric layer and contacts the field plate. At least a portion of the conductive wire directly overlies a first sidewall of the drift region.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: February 27, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chia-Cheng Ho, Ming-Ta Lei, Yu-Chang Jong
  • Patent number: 11908917
    Abstract: The present disclosure generally relates to semiconductor structures and, more particularly, to gate structures and methods of manufacture. The method includes: forming a first gate structure and a second gate structure with gate materials; etching the gate materials within the second gate structure to form a trench; and depositing a conductive material within the trench so that the second gate structure has a metal composition different than the first gate structure.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: February 20, 2024
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Jiehui Shu, Sipeng Gu, Haiting Wang
  • Patent number: 11908787
    Abstract: A package structure includes a first and a second conductive feature structures, a die, an insulator, an encapsulant, an adhesive layer, and a first through via. The die is located between the first conductive feature structure and the second conductive feature structure. The die is electrically connected to the second conductive feature structure. The insulator is disposed between the die and the first conductive feature structure. The insulator has a bottom surface in physical contact with a polymer layer of the first conductive feature structure. The encapsulant is located between the first conductive feature structure and the second conductive feature structure. The encapsulant is disposed on the insulator and laterally encapsulates the die and the insulator. The adhesive layer is disposed between the die and the insulator. The first through via extends through the encapsulant to connect to the first conductive feature structure and the second conductive feature structure.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: February 20, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chuei-Tang Wang, Chun-Lin Lu, Kai-Chiang Wu
  • Patent number: 11908814
    Abstract: A system may include a first semiconductor substrate having a first side and a second side opposite the first side. The system may further include multiple device layers positioned on the first side of the substrate. The system may also include a first portion of an antenna structure positioned within at least one of the multiple device layers. The system may include a second portion of the antenna structure positioned over the second side of the substrate. The system may further include a via passing through the substrate and electrically coupling the first portion of the antenna structure to the second portion of the antenna structure.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: February 20, 2024
    Assignee: Micron Technology, Inc.
    Inventors: John F. Kaeding, Owen R. Fay
  • Patent number: 11901218
    Abstract: A method includes forming a first plurality of fins in a first region of a substrate, a first recess being interposed between adjacent fins in the first region of the substrate, the first recess having a first depth and a first width, forming a second plurality of fins in a second region of the substrate, a second recess being interposed between adjacent fins in the second region of the substrate, the second recess having a second depth and a second width, the second width of the second recess being less than the first width of the first recess, the second depth of the second recess being less than the first depth of the first recess, forming a first dielectric layer in the first recess and the second recess, and converting the first dielectric layer in the first recess and the second recess to a treated dielectric layer.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: February 13, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Szu-Ying Chen, Sen-Hong Syue, Huicheng Chang, Yee-Chia Yeo
  • Patent number: 11881481
    Abstract: The present invention provides a new complementary MOSFET structure with localized isolations in silicon substrate to reduce leakages and prevent latch-up. The complementary MOSFET structure comprises a semiconductor wafer substrate with a semiconductor surface, a P type MOSFET comprising a first conductive region, a N type MOSFET comprising a second conductive region, and a cross-shape localized isolation region between the P type MOSFET and the N type MOSFET. Wherein, the cross-shape localized isolation region includes a horizontally extended isolation region below the semiconductor surface, and the horizontally extended isolation region contacts to a bottom side of the first conductive region and a bottom side of the second conductive region.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: January 23, 2024
    Assignees: INVENTION AND COLLABORATION LABORATORY PTE. LTD., ETRON TECHNOLOGY, INC.
    Inventor: Chao-Chun Lu
  • Patent number: 11876117
    Abstract: A field effect transistor includes a gate structure formed adjacent to a source/drain region, and a spacer structure formed between the gate structure and the source/drain region. The spacer structure includes a top spacer and a bottom spacer, the top spacer includes an airgap having a bottom portion that is wider than a top portion. The wider bottom portion of the airgap is located between the gate structure and the source/drain region.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: January 16, 2024
    Assignee: International Business Machines Corporation
    Inventor: Kangguo Cheng
  • Patent number: 11876119
    Abstract: Semiconductor structures and the manufacturing method thereof are disclosed. An exemplary manufacturing method includes providing a workpiece that includes a substrate, first channel members and second channel members over the substrate, a first gate structure engaging the first channel members, a second gate structure engaging the second channel members, a dielectric fin disposed between the first and second gate structures, an isolation feature disposed under the dielectric fin. The method also includes forming a metal cap layer at the frontside of the workpiece and depositing a dielectric feature on the dielectric fin. The dielectric feature dividing the metal cap layer into a first segment and a second segment. The method also includes etching the isolation feature to form a trench at the backside of the substrate, depositing a spacer on sidewalls of the trench, etching the dielectric fin from the trench, and depositing a seal layer in the trench.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: January 16, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jung-Chien Cheng, Kuo-Cheng Chiang, Shi Ning Ju, Guan-Lin Chen, Jia-Chuan You, Chia-Hao Chang, Chih-Hao Wang, Kuan-Lun Cheng