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    • 3. 发明授权
    • Layout structure of electrostatic discharge protection circuit
    • 静电放电保护电路的布局结构
    • US07772650B2
    • 2010-08-10
    • US11558446
    • 2006-11-10
    • Hsueh-Li ChiangYan-Nan Li
    • Hsueh-Li ChiangYan-Nan Li
    • H01L23/62
    • H01L27/0251
    • A layout structure of an electrostatic discharge protection circuit and a fabrication process thereof are provided. The electrostatic discharge protection circuit includes a substrate, a protection element and a resistor, wherein a part of or all of the area of the resistor is disposed in the region of the protection element, which saves the footprint of the resistor and reduces a junction parasitic capacitance formed in the protection element. Thus, the production cost of the electrostatic discharge protection circuit is reduced, and the influence of the electrostatic discharge protection circuit on the property of the entire internal circuit is minimized.
    • 提供了静电放电保护电路的布局结构及其制造工艺。 静电放电保护电路包括衬底,保护元件和电阻器,其中电阻器的一部分或全部区域设置在保护元件的区域中,这节省了电阻器的覆盖区域并且减少了结的寄生 在保护元件中形成的电容。 因此,静电放电保护电路的制造成本降低,并且使静电放电保护电路对整个内部电路的性能的影响最小化。
    • 6. 发明申请
    • ESD Protection Device for Multi-Voltage System
    • 多电压系统ESD保护装置
    • US20120081821A1
    • 2012-04-05
    • US13237935
    • 2011-09-21
    • Yan-Nan Li
    • Yan-Nan Li
    • H02H9/00
    • H02H9/046
    • An ESD protection device for a multi-voltage system includes a first circuit block, a second circuit block, a first power clamp circuit and a second power clamp circuit. The first and second circuit blocks respectively operate at a first power voltage and a second power voltage smaller than the first power voltage. The first power clamp circuit, coupled to the first circuit block, has a breakdown voltage between the first and second power voltages and a holding voltage greater than or equal to the first power voltage. The second power clamp circuit is smacked on the first power clamp circuit and coupled to the second circuit block. A total breakdown voltage of the first and second power clamp circuits is greater than the second power voltage, and a total holding voltage of the first and second power clamp circuits is greater than or equal to the second power voltage.
    • 用于多电压系统的ESD保护装置包括第一电路块,第二电路块,第一功率钳位电路和第二功率钳位电路。 第一和第二电路块分别在小于第一电源电压的第一电源电压和第二电源电压下工作。 耦合到第一电路块的第一功率钳位电路具有第一和第二电源电压之间的击穿电压和大于或等于第一电源电压的保持电压。 第二功率钳位电路在第一功率钳位电路上被击穿并耦合到第二电路块。 第一和第二功率钳位电路的总击穿电压大于第二电源电压,并且第一和第二功率钳位电路的总保持电压大于或等于第二电源电压。