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    • 3. 发明申请
    • OPERATING METHOD OF NON-VOLATILE MEMORY DEVICE
    • 非易失性存储器件的操作方法
    • US20070290273A1
    • 2007-12-20
    • US11554455
    • 2006-10-30
    • HANG-TING LUEERH-KUN LAISZU-YU WANG
    • HANG-TING LUEERH-KUN LAISZU-YU WANG
    • H01L29/76
    • H01L29/42324G11C16/0466G11C16/0483H01L21/28282H01L27/115H01L27/11568H01L29/513
    • An operating method of non-volatile memory device is provided. The device includes memory cells having a semiconductor substrate, a stack layer, and source and drain regions disposed below a surface of the substrate and separated by a channel region. The stack layer includes an insulating layer disposed on the channel region, a charge storage layer disposed on the insulating layer, a multi-layer tunneling dielectric structure on the charge storage layer, and a gate disposed on the multi-layer tunneling dielectric structure. A negative bias is supplied to the gate to inject electrons into the charge storage layer through the multi-layer tunneling dielectric structure by −FN tunneling so that the threshold voltage of the device is increased. A positive bias is supplied to the gate to inject holes into the charge storage layer through the multi-layer tunneling dielectric structure by +FN tunneling so that the threshold voltage of the device is decreased.
    • 提供了一种非易失性存储器件的操作方法。 该器件包括具有半导体衬底,堆叠层以及设置在衬底的表面下方并由沟道区分隔开的源极和漏极区的存储单元。 堆叠层包括设置在沟道区上的绝缘层,设置在绝缘层上的电荷存储层,电荷存储层上的多层隧道电介质结构,以及设置在多层隧道电介质结构上的栅极。 向栅极提供负偏压,通过多沟道介质结构通过-FN隧穿将电子注入电荷存储层,从而增加器件的阈值电压。 向栅极提供正偏压,以通过+ FN隧穿通过多层隧道电介质结构将空穴注入电荷存储层,使得器件的阈值电压降低。
    • 8. 发明申请
    • EFFICIENT ERASE ALGORITHM FOR SONOS-TYPE NAND FLASH
    • SONOS型NAND闪存的有效擦除算法
    • US20100067309A1
    • 2010-03-18
    • US12625438
    • 2009-11-24
    • HANG-TING LUE
    • HANG-TING LUE
    • G11C16/12G11C16/04
    • G11C16/16
    • A method for operating a dielectric charge trapping memory cell as described herein includes applying an initial voltage from the gate to the substrate of the memory cell for a predetermined period of time to reduce the threshold voltage of the memory cell. The method includes applying a sequence of voltages from the gate to the substrate of the memory cell to further reduce the threshold voltage of the memory cell, wherein a subsequent voltage in the sequence of voltages has a lower magnitude from the gate to the substrate than that of a preceding voltage in the sequence of voltages.
    • 用于操作如本文所述的介电电荷捕获存储器单元的方法包括将预定电压从栅极施加到存储器单元的衬底预定时间段以减小存储器单元的阈值电压。 该方法包括将来自栅极的电压序列施加到存储器单元的衬底,以进一步降低存储器单元的阈值电压,其中电压序列中的后续电压具有比栅极至衬底的量级小 的电压序列中的先前电压。