Process for the preparation of magnesium oxide films using...

Details Process for the preparation of magnesium oxide films using... Process for the preparation of magnesium oxide films using...

C - Chemistry, Metallurgy

23

C

C23C 16/40 (2006.01) C30B 25/02 (2006.01) C30B 33/00 (2006.01)

Patent

CA 2225620

A process for coating the surface of a single crystal with a magnesium oxide film which comprises contacting an organomagnesium compound having an oxygen to magnesium atomic ratio of 1:1 with the crystal heated to a temperature ranging from 300 ~C to 450 ~C in the absence of oxygen. The magnesium oxide film thus produced has a negligible amount of residual carbon.

L'invention concerne un procédé d'application d'un film sur la surface d'un monocristal, constitué d'oxyde de magnésium. Ce procédé consiste à mettre en contact un composé organométallique ayant un rapport atomique oxygène sur magnésium de 1:1, puis à chauffer le cristal à une température dans la plage de 300 ·C à 450 ·C en absence d'oxygène. Le film d'oxyde de magnésium ainsi produit contient une quantité de carbone résiduel qui est négligeable.

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