For conventional designs, these materials are usually rejected as unsuitable for use in multilayer boards because of poor temperature, {TAIL ~ solderability} or {HEAD ~ lamination performance} 
For conventional designs , these materials are usually rejected as unsuitable for use in multilayer boards because of poor temperature , { TAIL ~ solderability } or { HEAD ~ lamination performance }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD