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公开(公告)号:US20250107454A1
公开(公告)日:2025-03-27
申请号:US18976359
申请日:2024-12-11
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Hui-Lin Wang , Ying-Cheng Liu , Yi-An Shih , Yi-Hui Lee , Chen-Yi Weng , Chin-Yang Hsieh , I-Ming Tseng , Jing-Yin Jhang , Yu-Ping Wang
Abstract: A semiconductor device includes a magnetic tunneling junction (MTJ) on a substrate, a first spacer on a first sidewall of the MTJ, and a second spacer on a second sidewall of the MTJ. Preferably, the first spacer and the second spacer are asymmetric, the first spacer and the second spacer have different heights, and a top surface of the MTJ includes a reverse V-shape.
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公开(公告)号:US20250102922A1
公开(公告)日:2025-03-27
申请号:US18382528
申请日:2023-10-22
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Shin-Hung Li , Ruei-Jhe Tsao , Shan-Shi Huang , Wen-Fang Lee , Chiu-Te Lee
IPC: G03F7/00 , H01L21/027 , H01L21/033
Abstract: The invention provides an exposure method of semiconductor patterns, which comprises the following steps: providing a substrate, performing a first exposure step with a first photomask, forming a first pattern in a first region on the substrate, and performing a second exposure step with a second photomask, forming a second pattern in a second region on the substrate, the first pattern and the second pattern are in contact with each other, and at an interface of the first region And the second region, the first pattern and the second pattern are aligned with each other.
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公开(公告)号:US12262647B2
公开(公告)日:2025-03-25
申请号:US18592553
申请日:2024-03-01
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Hui-Lin Wang , Chen-Yi Weng , Yi-Wei Tseng , Chin-Yang Hsieh , Jing-Yin Jhang , Yi-Hui Lee , Ying-Cheng Liu , Yi-An Shih , I-Ming Tseng , Yu-Ping Wang
Abstract: A semiconductor device includes a magnetic tunneling junction (MTJ) on a substrate, a spacer adjacent to the MTJ, a liner adjacent to the spacer, and a first metal interconnection on the MTJ. Preferably, the first metal interconnection includes protrusions adjacent to two sides of the MTJ and a bottom surface of the protrusions contact the liner directly.
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公开(公告)号:US12262544B2
公开(公告)日:2025-03-25
申请号:US18595363
申请日:2024-03-04
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Hung-Chan Lin , Yu-Ping Wang
Abstract: A method for fabricating a semiconductor device includes the steps of: forming a magnetic tunneling junction (MTJ) on a substrate; forming a first spin orbit torque (SOT) layer on the MTJ; forming a passivation layer around the MTJ; forming a second SOT layer on the first SOT layer and the passivation layer, and patterning the second SOT layer and the passivation layer.
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公开(公告)号:US20250098333A1
公开(公告)日:2025-03-20
申请号:US18380647
申请日:2023-10-16
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Chia-Chen Sun
IPC: H01L27/02
Abstract: An ESD guard ring structure includes numerous first fin structures, numerous second fin structures, numerous first polysilicon conductive lines, numerous second polysilicon conductive lines, numerous third polysilicon conductive lines and numerous single diffusion breaks. Each of the first fin structures includes at least one single diffusion break therein. Each of the single diffusion breaks overlaps one of the third polysilicon conductive lines.
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公开(公告)号:US12255245B2
公开(公告)日:2025-03-18
申请号:US18590985
申请日:2024-02-29
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Po-Yu Yang
IPC: H01L29/423 , H01L27/092 , H01L29/786
Abstract: A manufacturing method of a semiconductor device includes the following steps. A first transistor is formed on a substrate. The first transistor includes a first semiconductor channel structure and two first source/drain structures. The first semiconductor channel structure includes first horizontal portions and a first vertical portion. The first horizontal portions are stacked in a vertical direction and separated from one another. Each of the first horizontal portions is elongated in a horizontal direction. The first vertical portion is elongated in the vertical direction and connected with the first horizontal portions. The two first source/drain structures are disposed at two opposite sides of each of the first horizontal portions in the horizontal direction respectively. The two first source/drain structures are connected with the first horizontal portions. A top surface of the first vertical portion in and a top surface of one of the first horizontal portions are coplanar.
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公开(公告)号:US20250089349A1
公开(公告)日:2025-03-13
申请号:US18381639
申请日:2023-10-19
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Chun-Hao Lin
IPC: H01L27/06 , H01L21/265 , H01L21/762 , H01L29/78
Abstract: A structure with a capacitor and a fin transistor includes a substrate. The substrate includes a capacitor region and a fin transistor region. A mesa is disposed within the capacitor region of the substrate. The mesa protrudes from a surface of the substrate. The mesa includes a top surface and two sloping surfaces. Each of the sloping surfaces connects to the top surface of the mesa and the surface of the substrate. A doping region is disposed within the mesa. A capacitor electrode is only disposed on the top surface. A capacitor dielectric layer is disposed between the capacitor electrode and the doping region.
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公开(公告)号:US20250089281A1
公开(公告)日:2025-03-13
申请号:US18487110
申请日:2023-10-15
Applicant: United Microelectronics Corp.
Inventor: Wen-Kai Lin , Sheng-Yuan Hsueh , Kuo-Hsing Lee , Chih-Kai Kang
IPC: H01L29/872 , H01L29/40 , H01L29/47 , H01L29/66
Abstract: Provided are a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes a substrate including a fin portion, first and second doped regions having a first conductive type, first and second contacts, and first and second metal silicide layers. The fin portion protrudes from a surface of the substrate. The first doped region is disposed in the fin portion. The second doped region is disposed in the fin portion and connected to the first doped region. A doping concentration of the second doped region is greater than that of the first doped region. The first contact is disposed on the first doped region. The second contact is disposed on the second doped region. The first metal silicide layer is disposed between the first contact and the first doped region. The second metal silicide layer is disposed between the second contact and the second doped region.
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公开(公告)号:US20250072042A1
公开(公告)日:2025-02-27
申请号:US18376450
申请日:2023-10-04
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Tzu-Hsin Chen , Mei-Ling Chao , Tien-Hao Tang , Kuan-cheng Su
Abstract: An electrostatic discharge protection device includes a substrate, a well region of a first conductivity type in the substrate, a drain field region and a source field region of a second conductivity type in the well region, a gate structure on the well region and between the drain field region and the source field region, a drain contact region and a source contact region of the second conductivity type respectively in the drain field region and the source field region, a first isolation region in the drain field region and between the drain contact region and the gate structure, and a drain doped region of the first conductivity in the drain field region and between a portion of a bottom surface of the drain contact region and the drain field region.
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公开(公告)号:US20250063803A1
公开(公告)日:2025-02-20
申请号:US18368552
申请日:2023-09-14
Applicant: UNITED MICROELECTRONICS CORP.
Inventor: Chang-Yih Chen , Kuo-Hsing Lee , Chun-Hsien Lin , Kun-Szu Tseng , Sheng-Yuan Hsueh , Yao-Jhan Wang
IPC: H01L21/8234 , H01L27/06
Abstract: A method for fabricating a semiconductor device includes the steps of first providing a substrate having a non-metal-oxide semiconductor capacitor (non-MOSCAP) region and a MOSCAP region, forming a first fin-shaped structure on the MOSCAP region, performing a monolayer doping (MLD) process on the first fin-shaped structure, and then performing an anneal process for driving dopants into the first fin-shaped structure. Preferably, the MLD process is further accomplished by first performing a wet chemical doping process on the first fin-shaped structure and then forming a cap layer on the non-MOSCAP region and the MOSCAP region.
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