A photoflash lamp having an envelope composed of a crystallized glass which exhibits high refractoriness and mechanical strength and minimizes the propagation of flaws. The thermal expansion coefficient of the glass permits a match seal to commonly employed dumet wire leads.
申请公布号
US4045156(A)
申请公布日期
1977.08.30
申请号
US19740535608
申请日期
1974.12.23
申请人
GTE SYLVANIA INCORPORATED
发明人
CHU, GORDON P. K.;SHINN, DENNIS B.;WAYMOUTH, JOHN F.
