The invention is a procedure for making photodetectors using compound semiconductors formed on {TAIL ~ substrates} containing {HEAD ~ phosphorus} 
The invention is a procedure for making photodetectors using compound semiconductors formed on { TAIL ~ substrates } containing { HEAD ~ phosphorus }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD