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US 6,485,682 B1Granted
Hardened aluminum alloy for use in the manufacture of printed circuit boards
OwnerDieter Backhausinventor
Life of this patent
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Abstract
A hardened aluminum alloy, for use in the manufacture of printed circuit boards, having elevated levels of manganese and magnesium and produced as a sheet by a cold rolling process to a specified thickness.
Claims2
An aluminum alloy for use in manufacturing printed circuit boards comprising:
- between 0.3% and 0.4% manganese, and between 4.5% and 4.6% magnesium wherein said levels of manganese and magnesium substantially harden said alloy to a tensil strength of at least 415 MPa.
Dependencies are inferred from the claim text.