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US 3,943,620 AGranted
Method of forming a hermetic enclosure
AssigneeCorning Glass Works
InventorPeter Sawchuk
Life of this patent
Estimating the term…
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 tantalum cover substantially coextensive with the flange is provided having a layer of gold or gold alloy adhered to at least the sealing surface thereof. The cover is disposed adjacent the container with the gold or gold alloy adjacent the flange. A hermetic seal is affected between the container flange and the cover.
Claims5
A method of forming an enclosure comprising the steps of
- providing a silver container open at one end,
- forming from said container material a unitary outwardly protruding flange at the open end of said container,
- providing a metallic cover substantially coextensive with said flange,
- adhering a layer of material selected from the group consisting of gold and gold alloy to at least one surface of said cover,
- at least one surface of said cover, disposing said cover over said open end of said container with said layer adjacent said flange, and
- hermetically sealing said cover to said container along said flange.
3 more elements
Dependencies are inferred from the claim text.