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    • 5. 发明授权
    • Triggered back-to-back diodes for ESD protection in triple-well CMOS process
    • 触发式背对背二极管,用于三阱CMOS工艺中的ESD保护
    • US07064358B2
    • 2006-06-20
    • US10743596
    • 2003-12-22
    • Indrajlt MannaKeng Foo LoPee Ya TanRaymond Filippi
    • Indrajlt MannaKeng Foo LoPee Ya TanRaymond Filippi
    • H01L29/72
    • H01L27/0259
    • An embodiment is a Electro Static Discharge (ESD) protection device comprising: a n-doped region and a p-doped region in a p-well in a semiconductor structure. The n-doped region and the p-doped region are spaced. A n-well and a deep n-well surrounding the p-well on the sides and bottom. A first I/O pad connected to the n-doped region. A trigger circuit connected the first I/O pad and the p-doped region. A second I/O pad connected to the n-well. A parasitic bipolar transistor is comprised of the n-doped region that functions as a collector terminal, the P-well that functions as a base terminal, and the deep N-well that functions as the emitter terminal. Whereby under an ESD condition, the p-well is charged positive using the trigger circuit and the parasitic bipolar transistor can be turned on.
    • 一个实施例是一种静电放电(ESD)保护装置,其包括:半导体结构中的p阱中的n掺杂区域和p掺杂区域。 n掺杂区域和p掺杂区域间隔开。 围绕p-well的两侧和底部的n井和深n井。 连接到n掺杂区域的第一I / O焊盘。 连接第一I / O焊盘和p掺杂区域的触发电路。 连接到n阱的第二个I / O焊盘。 寄生双极晶体管由用作集电极端子的n掺杂区域,用作基极端子的P阱和用作发射极端子的深N阱组成。 在ESD条件下,使用触发电路将p阱充电为正极,并且可以接通寄生双极晶体管。
    • 6. 发明申请
    • Triggererd back-to-back diodes for ESD protection in triple-well CMOS process
    • 用于三阱CMOS工艺中的ESD保护的Triggererd背对背二极管
    • US20050133870A1
    • 2005-06-23
    • US10743596
    • 2003-12-22
    • Indrajlt MannaKeng LoPee TanRaymond Filippi
    • Indrajlt MannaKeng LoPee TanRaymond Filippi
    • H01L23/62H01L27/02
    • H01L27/0259
    • An embodiment is a Electro Static Discharge (ESD) protection device comprising: a n-doped region and a p-doped region in a p-well in a semiconductor structure. The n-doped region and the p-doped region are spaced. A n-well and a deep n-well surrounding the p-well on the sides and bottom. A first I/O pad connected to the n-doped region. A trigger circuit connected the first I/O pad and the p-doped region. A second I/O pad connected to the n-well. A parasitic bipolar transistor is comprised of the n-doped region that functions as a collector terminal, the P-well that functions as a base terminal, and the deep N-well that functions as the emitter terminal. Whereby under an ESD condition, the p-well is charged positive using the trigger circuit and the parasitic bipolar transistor can be turned on.
    • 一个实施例是一种静电放电(ESD)保护装置,其包括:半导体结构中的p阱中的n掺杂区域和p掺杂区域。 n掺杂区域和p掺杂区域间隔开。 围绕p-well的两侧和底部的n井和深n井。 连接到n掺杂区域的第一I / O焊盘。 连接第一I / O焊盘和p掺杂区域的触发电路。 连接到n阱的第二个I / O焊盘。 寄生双极晶体管由用作集电极端子的n掺杂区域,用作基极端子的P阱和用作发射极端子的深N阱组成。 在ESD条件下,使用触发电路将p阱充电为正极,并且可以接通寄生双极晶体管。