Hermetically sealed {HEAD ~ electrically absorptive low pass radio frequency filters} and {TAIL ~ electromagnetically lossy ceramic materials} for said filters 
Hermetically sealed { HEAD ~ electrically absorptive low pass radio frequency filters } and { TAIL ~ electromagnetically lossy ceramic materials } for said filters
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH