Patent ID: 8790955
Filing Date: 2014-07-29
Classification: C23C,C25D,H01L,Y02E

Abstract:
1. A method for fabricating a semi-conductor device, comprising: a. forming a topographically textured semiconductor surface of a semiconductor body; b. forming a junction involving the semiconductor body; c. applying a liquid to a first zone of the topographically textured semiconductor surface of the semiconductor body, which liquid migrates within the first zone due at least in part to the surface texture of the topographically textured semiconductor surface, and which liquid remains excluded from a second zone of the topographically textured semiconductor surface that is contiguous with the first zone, the exclusion arising due, at least in part, to the surface topographical texture; and d. allowing a reaction to occur in one of the first zone and the second zone of the semiconductor surface of the semiconductor body, but not both simultaneously.