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    • 3. 发明申请
    • TRANSIENT VOLTAGE SUPPRESSOR AND METHOD
    • 瞬态电压抑制器和方法
    • US20090273876A1
    • 2009-11-05
    • US12113843
    • 2008-05-01
    • Mingjiao LiuAli SalihEmmanuel Saucedo-FloresSuem Ping Loo
    • Mingjiao LiuAli SalihEmmanuel Saucedo-FloresSuem Ping Loo
    • H02H9/04
    • H01L27/0262H01L29/7436H01L29/866
    • A transient voltage suppressor and a method for protecting against surge and electrostatic discharge events. A semiconductor substrate of a first conductivity type has gate and anode regions of a second conductivity type formed therein. A PN junction diode is formed from a portion of the gate region and the semiconductor substrate. A cathode is formed adjacent to another portion of the gate region. A thyristor is formed from the cathode, the gate region, the substrate, and the anode region. Zener diodes are formed from other portions of the gate region and the semiconductor substrate. A second Zener diode has a breakdown voltage that is greater than a breakdown voltage of a first Zener diode and that is greater than a breakover voltage of the thyristor. The first Zener diode protects against a surge event and the second Zener diode protects against an electrostatic discharge event.
    • 瞬态电压抑制器和防止浪涌和静电放电事件的方法。 第一导电类型的半导体衬底具有形成在其中的第二导电类型的栅极和阳极区域。 PN结二极管由栅极区域和半导体衬底的一部分形成。 阴极与栅极区域的另一部分相邻地形成。 从阴极,栅极区域,衬底和阳极区域形成晶闸管。 齐纳二极管由栅极区域和半导体衬底的其它部分形成。 第二齐纳二极管具有大于第一齐纳二极管的击穿电压并且大于晶闸管的跳变电压的击穿电压。 第一个齐纳二极管可防止浪涌事件,第二个齐纳二极管可防止静电放电事件。
    • 5. 发明授权
    • Transient voltage suppressor and method
    • 瞬态电压抑制器及方法
    • US08339758B2
    • 2012-12-25
    • US12113843
    • 2008-05-01
    • Mingjiao LiuAli SalihEmmanuel Saucedo-FloresSuem Ping Loo
    • Mingjiao LiuAli SalihEmmanuel Saucedo-FloresSuem Ping Loo
    • H02H9/04
    • H01L27/0262H01L29/7436H01L29/866
    • A transient voltage suppressor and a method for protecting against surge and electrostatic discharge events. A semiconductor substrate of a first conductivity type has gate and anode regions of a second conductivity type formed therein. A PN junction diode is formed from a portion of the gate region and the semiconductor substrate. A cathode is formed adjacent to another portion of the gate region. A thyristor is formed from the cathode, the gate region, the substrate, and the anode region. Zener diodes are formed from other portions of the gate region and the semiconductor substrate. A second Zener diode has a breakdown voltage that is greater than a breakdown voltage of a first Zener diode and that is greater than a breakover voltage of the thyristor. The first Zener diode protects against a surge event and the second Zener diode protects against an electrostatic discharge event.
    • 瞬态电压抑制器和防止浪涌和静电放电事件的方法。 第一导电类型的半导体衬底具有形成在其中的第二导电类型的栅极和阳极区域。 PN结二极管由栅极区域和半导体衬底的一部分形成。 阴极与栅极区域的另一部分相邻地形成。 从阴极,栅极区域,衬底和阳极区域形成晶闸管。 齐纳二极管由栅极区域和半导体衬底的其它部分形成。 第二齐纳二极管具有大于第一齐纳二极管的击穿电压并且大于晶闸管的跳变电压的击穿电压。 第一个齐纳二极管可防止浪涌事件,第二个齐纳二极管可防止静电放电事件。