.~.~ With bonded seal for conductive member (e.g., glass to metal) {3}
50.63
.~.~.~ Metal disk or ring-type seal
DEFINITION
Classification: 174/50.63
(under subclass 50.61) Subject matter where the lead-in conductor is in the form of a disc or ring, or has a flange forming a disc or ring thereon or is a metal tube, with the envelope sealed to either the side or edge of the disc or ring, or to the metal tube.
SEE OR SEARCH THIS CLASS, SUBCLASS:
50.55, where there are two lead-in conductors, one of which is a tube surrounding the other, and the envelope is sealed to the outer conductor and another hermetic seal is formed between the inner conductor and the outer conductor.
50.58, where a metal disc forms the closure for a ceramic or glass envelope and the closure and envelope are sealed together by a fused type seal.