Metal cased {HEAD ~ electrical filters} are made by reflowing {TAIL ~ the material} to form fused glass to metal seals and incorporating electrical thru conductors therein which may be formed as inductive windings 
are made by reflowing
Metal cased { HEAD ~ electrical filters } are made by reflowing { TAIL ~ the material } to form fused glass to metal seals and incorporating electrical thru conductors therein which may be formed as inductive windings
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH