Patent ID: 6750125
Filing Date: 2004-06-15
Classification: H01L

Abstract:
A method for manufacturing a semiconductor device, comprising:preparing a semiconductor wafer having a semiconductor substrate, which includes element forming semiconductor substrates respectively provided over first surfaces of base semiconductor substrates with buried oxide lime interposed therebetween, said each base semiconductor substrate having an element forming area and a edge area for surrounding the element brining wee; providing electrode pads over said each element forming semiconductor substrate in the element forming areas; providing an oxide film over parts of the electrode pads the element forming semiconductor substrates; cutting the oxide film, the element forming semiconductor substrates and the buried oxide turns in the edge areas to thereby expose the base semiconductor substrates; providing an insulating film over parts of the electrode pads, the oxide film, third surfaces of the exposed element forming semiconductor substrata and third surfaces of the buried oxide film, and first surfaces of the exposed base semiconductor substrates; providing conductive layer over the electrode pads, the insulating film, and the the first surfaces of the exposed bass semiconductor substrates; providing conductive columnar members so a to be electrically connected to the conducive layer in said each element tainting area; providing spherical electrode, over first surfaces of the conductive columnar members; sealing third surfaces of the conducive columnar members and the conductive layer; and cutting the semiconductor wafer along the edge areas.