H ELECTRICITY
H01 ELECTRIC ELEMENTS
H01L SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
23/00 Details of semiconductor or other solid state devices
H01L23/48 Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements; ; Selection of materials therefor
H01L23/482 consisting of lead-in layers inseparably applied to the semiconductor body; (electrodes)
H01L23/485 consisting of layered constructions comprising conductive layers and insulating layers, e.g. planar contacts