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    • 12. 发明授权
    • Non-volatile memory cell and method of operating the same
    • 非易失性存储单元及其操作方法
    • US07190623B2
    • 2007-03-13
    • US11161951
    • 2005-08-23
    • Ching-Hsiang HsuShih-Jye ShenHsin-Ming ChenHai-Ming Lee
    • Ching-Hsiang HsuShih-Jye ShenHsin-Ming ChenHai-Ming Lee
    • G11C16/04
    • G11C16/0433G11C16/10H01L27/115H01L27/11568H01L29/66833H01L29/792
    • A memory cell includes an N-type well, three P-type doped regions formed on the N-type well, a dielectric layer formed on the N-type well and between a first doped region and a second doped region of the three P-type doped regions, a first gate formed on the dielectric layer, a charge storage structure formed on the N-type well and between the second doped region and a third doped region of the three P-type doped regions, and a second gate formed on the charge storage structure. Data is stored in the memory cell by injecting electrons based on the channel-hot-hole induced hot-electron injection mechanism, the band-to-band tunneling induced electron injection mechanism and the Fowler-Nordheim tunneling mechanism. Data is erased from the memory cell by ejecting electrons based on the Fowler-Nordheim tunneling mechanism. Whether data is stored in the charge storage structure or not can be distinguished by read operation.
    • 存储单元包括N型阱,形成在N型阱上的三个P型掺杂区,形成在N型阱上的介质层,以及在三个P型掺杂区的第三掺杂区和第三掺杂区之间, 形成在电介质层上的第一栅极,形成在N型阱上的电荷存储结构,以及形成在三个P型掺杂区域的第二掺杂区域和第三掺杂区域之间的电荷存储结构, 电荷存储结构。 基于通道 - 热孔感应的热电子注入机制,带 - 带隧道诱导电子注入机制和Fowler-Nordheim隧道机制,通过注入电子将数据存储在存储单元中。 基于Fowler-Nordheim隧道机制,通过弹出电子从存储器单元擦除数据。 数据是否存储在电荷存储结构中是否可以通过读取操作进行区分。
    • 15. 发明授权
    • Non-volatile memory with a stable threshold voltage on SOI substrate
    • 在SOI衬底上具有稳定阈值电压的非易失性存储器
    • US07960792B2
    • 2011-06-14
    • US12943945
    • 2010-11-11
    • Hsin-Ming ChenHai-Ming LeeShih-Jye ShenChing-Hsiang Hsu
    • Hsin-Ming ChenHai-Ming LeeShih-Jye ShenChing-Hsiang Hsu
    • H01L29/786H01L29/792
    • H01L27/115
    • A non-volatile memory disposed in a SOI substrate is provided. The non-volatile memory includes a memory cell and a first conductive type doped region. The memory cell includes a gate, a charge storage structure, a bottom dielectric layer, a second conductive type drain region, and a second conductive type source region. The gate is disposed on the SOI substrate. The charge storage structure is disposed between the gate and the SOI substrate. The bottom dielectric layer is disposed between the charge storage layer and the SOI substrate. The second conductive type drain region and the second conductive type source region are disposed in a first conductive type silicon body layer next to the two sides of the gate. The first conductive type doped region is disposed in the first conductive type silicon body layer and electrically connected to the first conductive type silicon body layer beneath the gate.
    • 设置在SOI衬底中的非易失性存储器。 非易失性存储器包括存储单元和第一导电类型掺杂区域。 存储单元包括栅极,电荷存储结构,底部电介质层,第二导电类型漏极区域和第二导电型源极区域。 栅极设置在SOI衬底上。 电荷存储结构设置在栅极和SOI衬底之间。 底部电介质层设置在电荷存储层和SOI衬底之间。 第二导电型漏极区域和第二导电型源极区域设置在栅极的两侧旁边的第一导电型硅体层中。 第一导电型掺杂区域设置在第一导电型硅体层中,并且与栅极下方的第一导电型硅体层电连接。