Patent ID: 8136716

Claim:
A soldering workpiece, comprising: a soldering workpiece made from aluminum and/or aluminum compounds, wherein the workpiece comprises at a surface a solder plating comprising an aluminum compound, an oxide and/or hydroxide layer arranged at a surface of the solder plating, and wherein a thickness d of the oxide and/or hydroxide layer is greater than a native thickness of the oxide and/or hydroxide layer of the aluminum and/or aluminum compound formed in ambient air, wherein the thickness d of the oxide and/or hydroxide layer is greater than 25 nm, and wherein the soldering workpiece is a workpiece configured to be joined to another soldering workpiece, wherein the thickness d of the oxide and/or hydroxide layer, which is greater than 25 nm, is present prior to the soldering workpiece being joined to the another soldering workpiece and wherein the soldering workpiece having the oxide and/or hydroxide layer thereon does not include a joint prior to joining the soldering workpiece to the another soldering workpiece.