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2.3.4 Summary to: Conductors - General Applications

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  • No electrical engineering without conductors!

    Hundreds of specialized metal alloys exist just for "wires" because besides σ, other demands must be met, too: Money, Chemistry (try Na!), mechanical and thermal properties, compatibility with other materials, compatibility with production technologies, ...
    Example for unexpected conductors being "best" compromise: Poly Si, Silicides, TiN, W in integrated circuits.

    Don't forget Special Applications:

    • Contacts (switches, plugs, ...);
    • Resistors;
    • Heating elements; ...
    • Transparent conductors
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