Solder paste is deposited using a solder stencil with an aperture having {HEAD ~ a concave edge} in {TAIL ~ order} to reduce the formation of solder balls 
in
Solder paste is deposited using a solder stencil with an aperture having { HEAD ~ a concave edge } in { TAIL ~ order } to reduce the formation of solder balls
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 OTH OTH OTH OTH OTH OTH OTH