Abstract
This chapter presents a research on electrostatic discharge (ESD) test standard and theory models. It suggests IEC standard modifications and presents a new dipole model via research on ESD electromagnetic model. In the ESD electromagnetic effect experiment, it is found that different ESD simulators may yield inconsistent sensitivity test result for some EUT, though they both meet IEC61000-4-2 standard. Based on these phenomena, it is found that the difference is caused by different lead number of current. These research results are applied in practice. ESD is widespread in dry environment. Electrostatic charge can gather to dangerous ESD source with more than 10 thousand voltages. Once discharge circuit forms, pulse current will exceed 10 ampere and can even reach 100 ampere. The discharge procedure occurs with strong wide-band electromagnetic interference (EMI) in nanosecond level. In micro-electric area, the global loss is more than 10 billion US dollars.
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