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    • 6. 发明申请
    • ADAPTIVE ERASE AND SOFT PROGRAMMING FOR MEMORY
    • 自适应删除和软件编程存储器
    • US20100149881A1
    • 2010-06-17
    • US12332646
    • 2008-12-11
    • Shih-Chung LeeGerrit Jan Hemink
    • Shih-Chung LeeGerrit Jan Hemink
    • G11C11/34
    • G11C16/0483G11C11/5635G11C16/16G11C16/3404
    • An erase sequence of a non-volatile storage device includes an erase operation followed by a soft programming operation. The erase operation applies one or more erase pulses to the storage elements, e.g., via a substrate, until an erase verify level is satisfied. The number of erase pulses is tracked and recorded as an indicia of the number of programming-erase cycles which the storage device has experienced. The soft programming operation applies soft programming pulses to the storage elements until a soft programming verify level is satisfied. Based on the number of erase pulses, the soft programming operation time is shortened by skipping verify operations for a specific number of initial soft programming pulses which is a function of the number of erase pulses. Also, a characteristic of the soft programming operation can be optimized, such as starting amplitude, step size or pulse duration.
    • 非易失性存储设备的擦除序列包括随后进行软编程操作的擦除操作。 擦除操作例如经由衬底将一个或多个擦除脉冲施加到存储元件,直到满足擦除验证电平。 跟踪和记录擦除脉冲的数量作为存储设备经历的编程擦除周期数的标记。 软编程操作将软编程脉冲应用于存储元件,直到满足软编程验证电平。 基于擦除脉冲的数量,通过跳过针对擦除脉冲数的函数的特定数量的初始软编程脉冲的验证操作来缩短软编程操作时间。 此外,可以优化软编程操作的特性,例如起始幅度,步长或脉冲持续时间。
    • 9. 发明申请
    • ADAPTIVE ERASE AND SOFT PROGRAMMING FOR MEMORY
    • 自适应删除和软件编程存储器
    • US20110019483A1
    • 2011-01-27
    • US12899403
    • 2010-10-06
    • Shih-Chung LeeGerrit Jan Hemink
    • Shih-Chung LeeGerrit Jan Hemink
    • G11C16/04
    • G11C16/0483G11C11/5635G11C16/16G11C16/3404
    • An erase sequence of a non-volatile storage device includes an erase operation followed by a soft programming operation. The erase operation applies one or more erase pulses to the storage elements, e.g., via a substrate, until an erase verify level is satisfied. The number of erase pulses is tracked and recorded as an indicia of the number of programming-erase cycles which the storage device has experienced. The soft programming operation applies soft programming pulses to the storage elements until a soft programming verify level is satisfied. Based on the number of erase pulses, the soft programming operation time is shortened by skipping verify operations for a specific number of initial soft programming pulses which is a function of the number of erase pulses. Also, a characteristic of the soft programming operation can be optimized, such as starting amplitude, step size or pulse duration.
    • 非易失性存储设备的擦除序列包括随后进行软编程操作的擦除操作。 擦除操作例如经由衬底将一个或多个擦除脉冲施加到存储元件,直到满足擦除验证电平。 跟踪和记录擦除脉冲的数量作为存储设备经历的编程擦除周期数的标记。 软编程操作将软编程脉冲应用于存储元件,直到满足软编程验证电平。 基于擦除脉冲的数量,通过跳过针对擦除脉冲数的函数的特定数量的初始软编程脉冲的验证操作来缩短软编程操作时间。 此外,可以优化软编程操作的特性,例如起始幅度,步长或脉冲持续时间。
    • 10. 发明授权
    • Adaptive erase and soft programming for memory
    • 存储器的自适应擦除和软编程
    • US07839690B2
    • 2010-11-23
    • US12332646
    • 2008-12-11
    • Shih-Chung LeeGerrit Jan Hemink
    • Shih-Chung LeeGerrit Jan Hemink
    • G11C16/04
    • G11C16/0483G11C11/5635G11C16/16G11C16/3404
    • An erase sequence of a non-volatile storage device includes an erase operation followed by a soft programming operation. The erase operation applies one or more erase pulses to the storage elements, e.g., via a substrate, until an erase verify level is satisfied. The number of erase pulses is tracked and recorded as an indicia of the number of programming-erase cycles which the storage device has experienced. The soft programming operation applies soft programming pulses to the storage elements until a soft programming verify level is satisfied. Based on the number of erase pulses, the soft programming operation time is shortened by skipping verify operations for a specific number of initial soft programming pulses which is a function of the number of erase pulses. Also, a characteristic of the soft programming operation can be optimized, such as starting amplitude, step size or pulse duration.
    • 非易失性存储设备的擦除序列包括随后进行软编程操作的擦除操作。 擦除操作例如经由衬底将一个或多个擦除脉冲施加到存储元件,直到满足擦除验证电平。 跟踪和记录擦除脉冲的数量作为存储设备经历的编程擦除周期数的标记。 软编程操作将软编程脉冲应用于存储元件,直到满足软编程验证电平。 基于擦除脉冲的数量,通过跳过针对擦除脉冲数的函数的特定数量的初始软编程脉冲的验证操作来缩短软编程操作时间。 此外,可以优化软编程操作的特性,例如起始幅度,步长或脉冲持续时间。