A useful layer (1) is initially attached by a sacrificial layer (2) to a layer (3) forming a substrate. Before etching of the sacrificial layer (2), at least a part of the surface (4, 5) of at least one of the layers in contact with the sacrificial layer (2) is doped. After etching of the sacrificial...http://www.google.ca/patents/US7569152?utm_source=gb-gplus-sharePatent US7569152 - Method for separating a useful layer and component obtained by said method
