A standard line of copper-cored glass-to-metal sealing wire for fabricating hermetic switching devices requiring higher conductivity than solid wire is available from American company Anomet Products, Inc.
The copper-cored glass-to-metal sealing wire is hermetically bonded between the copper core and selected alloy to create a wire that carries up to six times more current than solid wire, depending upon the application. Featuring a variety of standard alloy compositions in sizes from 0.5-10 mm diameter, it permits the design of smaller conductors than solid wire and is ideally suited for fabricating hermetic switching devices.
Available with 2:1 and 3:1 ratios of the alloy to the copper core, the Anomet standard products include: FeNi (Alloy 52, Dilaton 51) Nickel-Iron, Kovar (Dilver) Nickel-Iron-cobalt, Alloy 42-6 Nickel-Iron-Chrome, and Alloy 446SS Iron-Chromium. | 
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