Patent ID: 8426971

Claim:
A solderable silicon power semiconductor device including an anode deposited on a silicon substrate, and a cathode deposited on the silicon substrate, the device comprising: the anode including: an anode outer palladium layer having a thickness approximately between 54×10 −3 μm and 66×10 −3 μm; an anode intermediate nickel layer having a thickness approximately between 198×10 −3 μm and 242×10 −3 μm, and an anode inner titanium layer having a thickness approximately between 99×10 −3 μm and 121×10 −3 μm, and the cathode including: a cathode outer palladium layer having a thickness approximately between 54×10 −3 μm and 66×10 −3 μm; a cathode intermediate nickel layer having a thickness approximately between 297×10 −3 μm and 363×10 −3 μm, and a cathode inner titanium layer having a thickness approximately between 135×10 −3 μm and 165×10 −3 μm.