A submount for {HEAD ~ an opto electronic module} for outputting {TAIL ~ light incident} from an opto electronic device as an electrical signal, the submount comprising: 
for outputting
A submount for { HEAD ~ an opto electronic module } for outputting { TAIL ~ light incident } from an opto electronic device as an electrical signal , the submount comprising :
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH