As is obvious from the formula also, the electromigration reference value depends upon the current density J of {HEAD ~ the electric current} flowing through the wire and is set to a smaller value as {TAIL ~ the current density J} is greater, provided that other conditions are kept constant 
As is obvious from the formula also , the electromigration reference value depends upon the current density J of { HEAD ~ the electric current } flowing through the wire and is set to a smaller value as { TAIL ~ the current density J } is greater , provided that other conditions are kept constant
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH