Electricity: electrical systems and devices – Safety and protection of systems and devices – Load shunting by fault responsive means
Reexamination Certificate
2011-03-22
2011-03-22
Nguyen, Danny (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
Load shunting by fault responsive means
C361S111000
Reexamination Certificate
active
07911751
ABSTRACT:
The present invention discloses an electrostatic discharge device for ensuring a pin capacitance using a metal option. The electrostatic discharge device includes an electrostatic discharging unit formed between a power source voltage line and a ground voltage line to discharge static electricity input from a pad. A MOS capacitor of the electrostatic discharge device has a gate terminal connected to the pad via a metal option. A protection unit is formed between the electrostatic discharging unit and the ground voltage line to protect an internal circuit from static electricity stored in the electrostatic discharging unit.
REFERENCES:
patent: 2009/0014801 (2009-01-01), Chen et al.
Hynix / Semiconductor Inc.
Ladas & Parry LLP
Nguyen Danny
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