Patent ID: 7495339
Filing Date: 2009-02-24
Classification: B23K,H01L

Abstract:
1. A connection structure between a Si member made of Si and an Al member made of Al, the connection structure comprising: a first part and a second part each interposed between the Si member and the Al member in contact relation with each of the Si member and the Al member, wherein a Si oxide layer and an Al oxide layer are present in the first part such that the Si oxide layer is in contact with the Si member and the Al oxide layer is interposed between the Si oxide layer and the Al member and at least one of Si and Al is present in the second part, wherein: the Si member is a Si electrode, the Al member is an Al wire, each of the first and second parts is present in a connection portion in which the Al wire is connected to a surface of the Si electrode, and the second parts are present in dotted relation at the surface of the Si electrode and at a peripheral portion of the connection portion.