{HEAD ~ The present invention} relates to a process for the manufacture of IGBTs and {TAIL ~ the resulting structure} 
{ HEAD ~ The present invention } relates to a process for the manufacture of IGBTs and { TAIL ~ the resulting structure }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL