The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 27, 1977
Filed:
Apr. 18, 1975
Andrew Herczog, Painted Post, NY (US);
Corning Glass Works, Corning, NY (US);
Abstract
A hermetic enclosure for an electrical component, particularly for a tantalum capacitor, and a method of forming it is disclosed. A silver container is provided having an open end at which an outwardly protruding flange is formed. A quantity of sealing glass is sealed to a lead and formed into a bead about the lead intermediate the ends thereof. A metallic collar having an outwardly protruding flange is disposed about the bead. This assembly and a metallic band, having a temperature coefficient of expansion greater than the glass bead, is heated and the metallic band is disposed about the collar so as to place the collar and glass bead in compression upon cooling thereby effecting a compression seal between the collar and the glass bead. A hermetic seal is then effected between the outwardly protruding flange of the container and the outwardly protruding flange of the collar.