C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 16/27 (2006.01) C30B 25/10 (2006.01) C30B 29/04 (2006.01)
Patent
CA 2607202
A method of producing a CVD diamond layer having a high colour, which is suitable for optical applications, for example. The method includes adding a gaseous source comprising a second impurity atom type to counter the detrimental effect on colour caused by the presence in the CVD synthesis atmosphere of a first impurity atom type. The described method applies to the production of both single crystal diamond and polycrystalline diamond.
La présente invention concerne un procédé de production de diamant CVD possédant de hautes couleurs qui convient pour des applications optiques, par exemple. Ce procédé consiste à ajouter une source gazeuse comprenant un second type d'atome d'impureté destiné à contrecarrer l'effet négatif sur la couleur causé par la présence dans l'atmosphère de synthèse CDV d'un premier type d'atome d'impureté. Le procédé de l'invention s'applique à la production de diamant monocristallin et de diamant polycristallin.
Friel Ian
Martineau Philip Maurice
Scarsbrook Geoffrey Alan
Twitchen Daniel James
Williams Stephen David
Element Six Limited
Gowling Lafleur Henderson Llp
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