Patent ID: 8648466

Claim:
Method for producing a metallization ( 40 ) for at least one contact pad ( 20 ) with the following method steps: using a mask for depositing at least one contact pad ( 20 ) on a substrate ( 10 ), using said mask for depositing a barrier layer ( 30 ) on the top surface of the at least one contact pad ( 20 ), depositing a metallization ( 40 ) on the top surface of the barrier layer ( 30 ), wherein the barrier layer ( 30 ) and the metallization ( 40 ) are deposited by physical deposition, and wherein the metallization ( 40 ) is formed as a layer structure comprising first metallization layers ( 41 ) alternating with second metallization layers ( 42 ) wherein each first metallization layer ( 41 ) is formed of nickel or a nickel alloy having a layer thickness less than 1 μm and each second metallization layer ( 42 ) is formed of an electrically conducting, ductile material that is different from nickel or a nickel alloy.