{HEAD ~ An apparatus} including {TAIL ~ an electrostatic discharge protection structure} with a diac in which substancially similar ESD protection is provided for both positive and negative ESD voltages appearing at the circuit electrode sought to be protected 
including
{ HEAD ~ An apparatus } including { TAIL ~ an electrostatic discharge protection structure } with a diac in which substancially similar ESD protection is provided for both positive and negative ESD voltages appearing at the circuit electrode sought to be protected
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH