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    • 5. 发明申请
    • NON-VOLATILE MEMORY DEVICE INCLUDING PASS TRANSISTOR
    • US20230019217A1
    • 2023-01-19
    • US17709790
    • 2022-03-31
    • Samsung Electronics Co., Ltd.
    • Tackhwi LEEJaeduk LEEHojun LEESeongpil CHANG
    • H01L27/112G11C16/08G11C16/12
    • A non-volatile memory device comprises a memory cell region including a plurality of cell transistors, a first-type semiconductor substrate including a peripheral circuit region including circuits configured to control the plurality of cell transistors, and a plurality of pass transistors on the peripheral circuit region of the semiconductor substrate, wherein the peripheral circuit region includes a first region and a second region which are doped to a depth at an upper portion of the semiconductor substrate while being insulated from each other by an implant region, wherein the first region is a second type different from the first type, and includes a first doped region, and a first well region beneath the first doped region and configured to have a higher doping concentration than the first doped region, wherein the second region is the first type, and includes a second doped region, and a second well region beneath the second doped region and configured to have a higher doping concentration than the second doped region, wherein a first pass transistor on the first region from among the plurality of pass transistors is connected to a string selection line or a ground selection transistor, wherein a second pass transistor on the second region from among the plurality of pass transistors is connected to a word line, wherein a positive voltage or a negative voltage is configured to be applied to the second well region during operation of the second pass transistor.