Metal parts, such as sealing lids, with electroplated nickel...

Details Metal parts, such as sealing lids, with electroplated nickel... Metal parts, such as sealing lids, with electroplated nickel...

B - Operations, Transporting

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B32B 15/01 (2006.01) B32B 3/00 (2006.01) B32B 15/18 (2006.01) C25D 5/14 (2006.01) H01L 21/48 (2006.01) H01L 23/06 (2006.01)

Patent

CA 1279843

ABSTRACT Plated metal parts, such as sealing lids for semi- conductor packages, in which an iron-based alloy layer is electroplated with a first layer of nickel, a first layer of gold is electroplated on the first nickel layer, a second layer of nickel is electroplated onto the first gold layer and a second layer of gold is elec- troplated onto the second layer of nickel. The result- ant plated parts exhibit higher salt atmosphere corrosion resistance than parts plated with a single nickel-gold set. Other metals can be used as the plat- ing layers.

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