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