SEMICONDUCTOR DEVICE HAVING STEPPED MULTI-STACK TRANSISTOR STRUCTURE

    公开(公告)号:US20220109046A1

    公开(公告)日:2022-04-07

    申请号:US17146136

    申请日:2021-01-11

    Abstract: A semiconductor device include: a substrate; a 1st transistor formed above the substrate, the 1st transistor including a 1st channel set of a plurality of 1st nanosheet layers, a 1st gate structure surrounding the 1st nanosheet layers, and 1st and 2nd source/drain regions at both ends of the 1st channel set; and a 2nd transistor formed above the 1st transistor in a vertical direction, the 2nd transistor including a 2nd channel set of a plurality of 2nd nanosheet layers, a 2nd gate structure surrounding the 2nd nanosheet layers, and 3rd and 4th source/drain regions at both ends of the 2nd channel set, wherein the 1st channel set has a greater width than the 2nd channel set, wherein a number of the 1st nanosheet layers is smaller than a number of the 2nd nanosheet layers, and wherein a sum of effective channel widths of the 1st nanosheet layers is substantially equal to a sum of effective channel width of the 2nd nanosheet layers.

    SEMICONDUCTOR DEVICE
    2.
    发明申请

    公开(公告)号:US20190148503A1

    公开(公告)日:2019-05-16

    申请号:US16243564

    申请日:2019-01-09

    Abstract: Provided is a semiconductor device including a substrate with an active pattern, a gate electrode crossing the active pattern, a source/drain region in an upper portion of the active pattern at a side of the gate electrode, the source/drain region including a recess region at an upper region thereof, a contact electrically connected to the source/drain region, the contact including a lower portion provided in the recess region, and a metal silicide layer provided at a lower region of the recess region and between the source/drain region and the contact.

    CROSSING MULTI-STACK NANOSHEET STRUCTURE AND METHOD OF MANUFACTURING THE SAME

    公开(公告)号:US20220109047A1

    公开(公告)日:2022-04-07

    申请号:US17148252

    申请日:2021-01-13

    Abstract: A semiconductor device includes a substrate; a 1st transistor formed above the substrate, and having a 1st transistor stack including a plurality of 1st channel structures, a 1st gate structure surrounding the 1st channel structures, and 1st and 2nd source/drain regions at both ends of the 1st transistor stack in a 1st channel length direction; and a 2nd transistor formed above the 1st transistor in a vertical direction, and having a 2nd transistor stack including a plurality of 2nd channel structures, a 2nd gate structure surrounding the 2nd channel structures, and 3rd and 4th source/drain regions at both ends of the 2nd transistor stack in a 2nd channel length direction, wherein the 3rd source/drain region does not vertically overlap the 1st source/drain region or the 2nd source/drain region, and the 4th source/drain region does not vertically overlap the 1st source/drain region or the 2nd source/drain region.

    SEMICONDUCTOR DEVICE HAVING STEPPED MULTI-STACK TRANSISTOR STRUCTURE

    公开(公告)号:US20230037833A1

    公开(公告)日:2023-02-09

    申请号:US17970777

    申请日:2022-10-21

    Abstract: A semiconductor device include: a substrate; a 1st transistor formed above the substrate, the 1st transistor including a 1st channel set of a plurality of 1st nanosheet layers, a 1st gate structure surrounding the 1st nanosheet layers, and 1st and 2nd source/drain regions at both ends of the 1st channel set; and a 2nd transistor formed above the 1st transistor in a vertical direction, the 2nd transistor including a 2nd channel set of a plurality of 2nd nanosheet layers, a 2nd gate structure surrounding the 2nd nanosheet layers, and 3rd and 4th source/drain regions at both ends of the 2nd channel set, wherein the 1st channel set has a greater width than the 2nd channel set, wherein a number of the 1st nanosheet layers is smaller than a number of the 2nd nanosheet layers, and wherein a sum of effective channel widths of the 1st nanosheet layers is substantially equal to a sum of effective channel width of the 2nd nanosheet layers.

    SEMICONDUCTOR DEVICE
    6.
    发明申请

    公开(公告)号:US20190157406A1

    公开(公告)日:2019-05-23

    申请号:US16014496

    申请日:2018-06-21

    Abstract: A semiconductor device is disclosed. The semiconductor device may include a substrate including a first active pattern, the first active pattern vertically protruding from a top surface of the substrate, a first source/drain pattern filling a first recess, which is formed in an upper portion of the first active pattern, a first metal silicide layer on the first source/drain pattern, the first metal silicide layer including a first portion and a second portion, which are located on a first surface of the first source/drain pattern, and a first contact in contact with the second portion of the first metal silicide layer. A thickness of the first portion may be different from a thickness of the second portion.

    SRAM MEMORY CELL FOR STACKED TRANSISTORS WITH DIFFERENT CHANNEL WIDTH

    公开(公告)号:US20220302134A1

    公开(公告)日:2022-09-22

    申请号:US17345504

    申请日:2021-06-11

    Abstract: A semiconductor device including a static random access memory (SRAM) in a three-dimensional (3D) stack is provided. The semiconductor device includes a first transistor stack including a first channel and a first gate, a second transistor stack including a second channel and a second gate, the second transistor stack being disposed above the first transistor stack, a bit line disposed on a first portion of an upper surface of the first channel, a voltage source disposed on a first portion of an upper surface of the second channel and a first shared contact connecting the first channel to the second channel, where a width of the second channel is less than a width of the first channel.

    ARRAY OF MULTI-STACK NANOSHEET STRUCTURES

    公开(公告)号:US20220359500A1

    公开(公告)日:2022-11-10

    申请号:US17866066

    申请日:2022-07-15

    Abstract: An array of multi-stack transistor structures is provided, wherein the multi-stack transistor structures are arranged in a plurality of rows and a plurality of columns in the array, wherein each of the multi-stack transistor structures includes two or more vertically arranged transistor stacks, and wherein a dam structure is formed between adjacent two rows in a same column so that a multi-stack transistor structure in one of the adjacent two rows is electrically isolated from a multi-stack transistor structure in the other of the adjacent two rows in the same column.

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