A high frequency semiconductor device contains a semiconductor element in a cavity formed by {HEAD ~ a dielectric board} and {TAIL ~ a cap} 
A high frequency semiconductor device contains a semiconductor element in a cavity formed by { HEAD ~ a dielectric board } and { TAIL ~ a cap }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL