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