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    • 1. 发明授权
    • Species implantation for minimizing interface defect density in flash memory devices
    • 用于最小化闪存器件中的界面缺陷密度的物种植入
    • US06284600B1
    • 2001-09-04
    • US09609468
    • 2000-07-03
    • Yider WuMark T. RamsbeyChi ChangYu SunTuan Duc PhamJean Y. Yang
    • Yider WuMark T. RamsbeyChi ChangYu SunTuan Duc PhamJean Y. Yang
    • H01L21336
    • H01L27/11568H01L27/115
    • A predetermined species such as nitrogen is placed at an interface between a bit line junction and a dielectric layer of a control dielectric structure of a flash memory device to minimize degradation of such an interface by minimizing formation of interface defects during program or erase operations of the flash memory device. The predetermined species such as nitrogen is implanted into a bit line junction of the flash memory device. A thermal process is performed that heats up the semiconductor wafer such that the predetermined species such as nitrogen implanted within the semiconductor wafer thermally drifts to the interface between the bit line junction and the control dielectric structure during the thermal process. The predetermined species such as nitrogen at the interface minimizes formation of interface defects and thus degradation of the interface with time during the program or erase operations of the flash memory device.
    • 将诸如氮的预定物质放置在闪存存储器件的控制电介质结构的位线结和电介质层之间的界面处,以通过在编程或擦除操作期间最小化界面缺陷的形成来最小化这种界面的劣化 闪存设备。 将诸如氮的预定物质注入到闪速存储器件的位线结中。 执行加热半导体晶片的热处理,使得在热处理期间注入到半导体晶片内的预定物质例如氮漂移到位线结与控制电介质结构之间的界面。 在闪存器件的编程或擦除操作期间,预定种类例如接口处的氮使界面缺陷的形成最小化,从而使界面的时效性降低。
    • 2. 发明授权
    • Species implantation for minimizing interface defect density in flash memory devices
    • 用于最小化闪存器件中的界面缺陷密度的物种植入
    • US06399984B1
    • 2002-06-04
    • US09882242
    • 2001-06-15
    • Yider WuMark T. RamsbeyChi ChangYu SunTuan Duc PhamJean Y. Yang
    • Yider WuMark T. RamsbeyChi ChangYu SunTuan Duc PhamJean Y. Yang
    • H01L29788
    • H01L27/11568H01L27/115
    • A predetermined species such as nitrogen is placed at an interface between a bit line junction and a dielectric layer of a control dielectric structure of a flash memory device to minimize degradation of such an interface by minimizing formation of interface defects during program or erase operations of the flash memory device. The predetermined species such as nitrogen is implanted into a bit line junction of the flash memory device. A thermal process is performed that heats up the semiconductor wafer such that the predetermined species such as nitrogen implanted within the semiconductor wafer thermally drifts to the interface between the bit line junction and the control dielectric structure during the thermal process. The predetermined species such as nitrogen at the interface minimizes formation of interface defects and thus degradation of the interface with time during the program or erase operations of the flash memory device.
    • 将诸如氮的预定物质放置在闪存存储器件的控制电介质结构的位线结和电介质层之间的界面处,以通过在编程或擦除操作期间最小化界面缺陷的形成来最小化这种界面的劣化 闪存设备。 将诸如氮的预定物质注入到闪速存储器件的位线结中。 执行加热半导体晶片的热处理,使得在热处理期间注入到半导体晶片内的预定物质例如氮漂移到位线结和控制电介质结构之间的界面。 在闪存器件的编程或擦除操作期间,预定种类例如接口处的氮使界面缺陷的形成最小化,从而使界面的时效性降低。
    • 9. 发明授权
    • Salicided gate for virtual ground arrays
    • 用于虚拟地面阵列的闸门
    • US06730564B1
    • 2004-05-04
    • US10217821
    • 2002-08-12
    • Mark T. RamsbeyYu SunChi ChangHidehiko Shiraiwa
    • Mark T. RamsbeyYu SunChi ChangHidehiko Shiraiwa
    • H01L218247
    • H01L27/11568H01L27/105H01L27/115H01L27/11526H01L27/11534Y10S438/954
    • The present invention provides a process for saliciding word lines in a virtual ground array flash memory device without causing shorting between bit lines. According to one aspect of the invention, saliciding takes place prior to patterning one or more layers of a memory cell stack. The unpatterned layers protect the substrate between word lines from becoming salicided. The invention provides virtual ground array flash memory devices with doped and salicided word lines, but no shorting between bit lines, even in virtual ground arrays where there are no oxide island isolation regions between word lines. Potential advantages of such structures include reduced size, reduced number of processing steps, and reduced exposure to high temperature cycling.
    • 本发明提供了一种在虚拟接地阵列闪存器件中对字线进行水印处理,而不引起位线之间的短路。 根据本发明的一个方面,在对存储单元堆叠的一层或多层进行构图之前进行水化。 未图案化的层保护字线之间的基板不会变成水银。 本发明提供具有掺杂和含水字线的虚拟接地阵列闪存器件,但是即使在字线之间没有氧化物岛隔离区域的虚拟接地阵列中也不会在位线之间发生短路。 这种结构的潜在优点包括减小的尺寸,减少的加工步骤数量以及降低暴露于高温循环。