C - Chemistry – Metallurgy – 30 – B
Patent
C - Chemistry, Metallurgy
30
B
C30B 25/02 (2006.01) C30B 29/04 (2006.01)
Patent
CA 2456847
Synthetic monocrystalline diamond compositions having one or more monocrystalline diamond layers formed by chemical vapor deposition, the layers including one or more layer having an increased concentration of one or more impurities (such as boron and/or isotopes of carbon), as compared to other layers or comparable layers without such impurities. Such compositions provide an improved combination of properties, including color, strength, velocity of sound, electrical conductivity, and control of defects. A related method for preparing such a composition is also described, as well as a system for use in performing such a method, and articles incorporating such a composition.
L'invention concerne des compositions de diamant monocristallin synthétique comportant une ou plusieurs couche(s) de diamant monocristallin formée(s) par dépôt chimique en phase vapeur. Ces couches comprennent une ou plusieurs couche(s) présentant une concentration accrue en une ou plusieurs impureté(s) (telle(s) que du bore et/ou des isotopes de carbone) comparativement à d'autres couches ou couches comparables dépourvues de telles impuretés. Ces compositions combinent de manière améliorée des propriétés parmi lesquelles figurent la couleur, la résistance, la vitesse du son, la conductivité électrique et la régulation des défauts. L'invention se rapporte en outre à un procédé correspondant de préparation desdites compositions, à un système permettant d'appliquer ce procédé, ainsi qu'à des articles comportant une telle composition.
Doering Patrick J.
Linares Robert C.
Apollo Diamond Inc.
Sim & Mcburney
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