Accession Number : ADD007436

Title :   Hermetic Electrical Feedthrough for Aluminum Housing and Method of Making Same.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Acker,Roy M ; Lui,Kenneth

Report Date : 15 Jul 1980

Pagination or Media Count : 4

Abstract : A leak-tight joint between a Kovar ceramic feedthrough and an aluminum housing is obtained by electron beam welding a short length of the outside surface of the Kovar cylindrical shell of the feedthrough to a region of nickel deposited on a thin wall cylindrical tube of aluminum formed in the aluminum housing is disclosed.

Descriptors :   *Patents, *Aluminum alloys, *Housings, *Fabrication, Methodology, Electron beam welding, Ceramic materials, Cylindrical bodies, Inventions, Shells(Structural forms), Joints, Nickel compounds, Deposition, Thinness

Subject Categories : Ceramics, Refractories and Glass
      Metallurgy and Metallography
      Fabrication Metallurgy

Distribution Statement : APPROVED FOR PUBLIC RELEASE