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    • 9. 发明公开
    • 불휘발성 메모리 장치 및 프로그래밍 방법
    • 非易失性存储器件和编程方法通过一个氧化铅层移动电荷捕捉层之间的电子
    • KR1020090012932A
    • 2009-02-04
    • KR1020070077175
    • 2007-07-31
    • 삼성전자주식회사
    • 성정헌설광수신웅철박상진최상무
    • H01L21/8247H01L27/115
    • G11C16/0475G11C16/10H01L21/28282H01L29/513H01L29/7923G11C16/3404
    • A nonvolatile memory device and a programming method for moving an electron between charge trap layers through a pad oxide layer are provided to prevent deterioration of a tunnel oxide layer and reduce power consumption by performing the programming by the electron shift. A first charge trap layer(150) is positioned on a semiconductor substrate and stores the electrons. A pad oxide layer(160) is positioned in an upper part of the first charge trap layer. A second charge trap layer(170) is positioned in the pad oxide layer and stores the electrons. In a programming mode, the electron is moved between a first edge of a first charge trap layer and the first edge of the second charge trap layer or between a second edge of the first charge trap layer and the second edge of the second charge trap layer through the pad oxide layer.
    • 提供非易失性存储器件和用于通过焊盘氧化物层在电荷陷阱层之间移动电子的编程方法,以防止隧道氧化物层的劣化,并通过执行电子位移的编程来降低功耗。 第一电荷陷阱层(150)位于半导体衬底上并存储电子。 衬垫氧化物层(160)位于第一电荷陷阱层的上部。 第二电荷陷阱层(170)位于焊盘氧化物层中并存储电子。 在编程模式中,电子在第一电荷陷阱层的第一边缘和第二电荷陷阱层的第一边缘之间或第一电荷俘获层的第二边缘和第二电荷俘获层的第二边缘之间移动 通过垫氧化层。