Still further, in the case where a gold bump is used, a self alignment effect appears while {HEAD ~ the bump} is aligned with {TAIL ~ the concave surface} of the substrate electrode 
is aligned with
Still further , in the case where a gold bump is used , a self alignment effect appears while { HEAD ~ the bump } is aligned with { TAIL ~ the concave surface } of the substrate electrode
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 REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH