{TAIL ~ A II VI semiconductor ohmic contact} electrically couples to {HEAD ~ the device} and includes beryllium  
{ TAIL ~ A II VI semiconductor ohmic contact } electrically couples to { HEAD ~ the device } and includes beryllium
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH