The electrode of indium antimonide Hall unit includes a cross-shaped sensitive film and an electrode. One end of said electrode is in ohmic contact with the cross-shaped sensitive film, and another end is attached to its base. This electrode is made up by such processes of first etching, evaporating electrode, secondary etching and alloying treatment in turns. The soldered dot of said electrode doesn't damage the sensitive film, and its firmness is good. The manufcturing process of said electrode is simple and easy to control. |