Commissariat &#xc0; L'&#xc9;nergie Atomique Et Aux &#xc9;nergies Alternatives

Christophe Grangier

Francois Boulard

François Boulard

The invention relates to a method for manufacturing a first support () for forming, in particular with a functionalised second support (), an optoelectronic component (), the first support () comprising a semiconductor layer () and an alignment mark () provided on said semiconductor layer (). The manufacturing method includes in particular a step of forming an aperture () in a semiconductor layer () comprising cadmium, a step of diffusing cadmium in a second location () of the aperture () and a cadmium sensitive etching step for promoting etching of one from the second location () which is rich in cadmium and the rest of a surface (B) of the semiconductor layer (). The invention also relates to a first support ().

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Grenoble, France

Christophe Grangier