Patent ID: 7670966
Filing Date: 2010-03-02
Classification: C30B,H01L,Y02E,Y02P

Abstract:
1. Method of processing a substrate containing at least one semiconductor of the Si X A Y type, x being a strictly positive number, y being a positive number and A designating a chemical element or a compound of several chemical elements of the fourteenth column of the periodic table of elements, and comprising at least four separate types of light elements, the method comprising at least the following steps: carrying out a first anneal of the substrate at a temperature T carrying out, after the first anneal, a second anneal of the substrate at a temperature T carrying out, after the second anneal, a third anneal of the substrate at a temperature T carrying out, after the third anneal, a fourth anneal of the substrate at a temperature T each anneal comprising a holding at the temperature T