. "In the present embodiment, although the layer in theauxiliary electrode 60 in contact with the p-type contact layer 27 is formed of Al, a material other than Al can be used and it is possible to form from, e.g., Ag or Rh, etc., or an alloy consisting primarily of Al or Ag.In the present embodiment, the auxiliary electrode 60 is formed by laminating a layer in contact with the p-type contact layer" . . . .