Patent ID: 9530776
Filing Date: 2016-12-27
CPC Classification: H01L

Claim Text:
1. A method for manufacturing a semiconductor device, the method comprising: forming a plurality of fins on a substrate, the plurality of fins having a first portion and a second portion, the first portion and the second portion comprising a first semiconductor material; removing the first portion of at least one of the fins; forming a replaced fin portion from a second semiconductor material, the replaced fin portion on the second portion in place of the removed first portion; after forming the replaced fin portion, changing a shape of at least a sidewall portion of the replaced fin portion such that a lower portion of the replaced fin portion is wider than an upper portion of the replaced fin portion; and distributing the second semiconductor material into the second portion of the at least one of the fins along sidewalls of the second portion, wherein an upper surface of the second portion not comprising the second semiconductor material has a convex shape.