NOVELTY - The device has conductive substrate (100) with electroconductive material. A nonelectroconductive layer (130) is provided in a portion of surface of conductive substrate. The semiconductor elements electrically connected by wiring are provided on nonelectroconductive layer. An electrical connection unit connects conductive substrate and semiconductor element. The semiconductor element of greater electrical potential difference with conductive substrate is positioned in position except geometric terminal of arrangement created by semiconductor elements.    USE - Semiconductor device such as solar cell module used for solar cell string and solar cell array (all claimed).    ADVANTAGE - The insulation between the conductive substrate and semiconductor element which consist of an electroconductive material can be improved. The photoelectric conversion efficiency can be improved and efficiency improvement of a solar cell can be anticipated. The semiconductor devices with excellent insulation withstand voltage property between semiconductor elements and conductive substrate can be provided. Since insulation withstand voltage property improves, a highly efficient apparatus can be made from increasing the number of semiconductor elements. The thickness of a nonelectroconductive layer can be manufactured at low cost by making it thin. Since the insulation in edge portion is improving, the insulation around apparatus can also be improved. The failure probability can be reduced and durability can be raised by increasing a parallel circuit. Since insulation is improved and same voltage is outputted, the non-effective area which produces at the edge portion of a substrate can be reduced, material can be used efficiently, and cost can be reduced.    DESCRIPTION OF DRAWING(S) - The drawing shows a sectional view of the solar cell module of the semiconductor device.    Conductive substrate (100)    Nonelectroconductive layer (130)    Photovoltaic cell (151)    Conductive layer (160)    Solar cell module (201)