Heat sink Photo etching process on Copper (Cu) Heat sink Processing technology Etching Surface treatment Machining Ceramic processing Lamination Combined process Welding Materials Stainless steel Iron Copper Aluminum Silver Titanium Molybdenum Tungsten Other Products Separator Substrate Jig Mask Shim Stiffening plate・Plate Leadframe Bus bar/ Terminals Mesh Core・Gear Grid・Electrode Heat sink Encoder Probe Decorations Seal ring・Cap Heater Spring