?Lightning?is one of the most serious natural?disaster?year after year,?along with?the internal structure of?China microelectronics?equipment is?highly integrated?(VLSI chip),?resulting in?equipment to withstand overvoltage,overcurrent resistance?levels drop,?the lightning?(including?induction lightning?and overvoltage)?load bearing capacity?reduce?surge.?As everyone knows,?the lightning?is devastating,?the?voltage of up to?millions of?volts,instantaneous current?of up to hundreds of thousands of?amperes.?The destructive consequences?caused by lightning stroke?is embodied in?the following three?levels: the?damage of equipment;?reduce?the?equipment?or component.

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