Cvd diamond burrs for odontological and related uses

C - Chemistry – Metallurgy – 23 – C

Patent

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Details

C23C 16/26 (2006.01) A61C 1/00 (2006.01) A61C 3/00 (2006.01) A61C 3/02 (2006.01) C23C 16/01 (2006.01)

Patent

CA 2214276

The object of the invention is the process of obtainment of CVD diamond burrs, mills and files of odontological and related uses, for boring, abrading and machining teeth, glass, ceramics, metals, etc. The patent includes any CVD diamond deposition method and gas mixture. The CVD diamond may be deposited as a thin or thick film directly on the tool stick material, or may be deposited as a freestanding film on a substrate material for posterior joining to the tool stick, or the tool stick may be prepared by the deposition of diamond powder by any process, before a direct deposition of the CVD diamond

Procédé d'obtention de molettes, fraises et limes à diamant obtenues par dépôt chimique en phase vapeur (DCPV) et destinées à un usage odontologique ou analogue, dans l'alésage, le rodage et l'usinage des dents, du verre, des céramiques, des métaux, etc. Ce brevet comprend tout type de procédé de dépôt de diamant par DCPV et tout type de mélange gazeux. Le diamant de DCPV peut se présenter sous la forme d'une couche mince ou épaisse déposée directement sur le matériau constitutif de la tige de l'outil, ou bien sous la forme d'une couche discrète déposée sur un matériau substrat en vue d'une fixation ultérieure à la tige de l'outil. Sinon, on peut préparer ladite tige en déposant une poudre de diamant selon un procédé quelconque, avant de procéder au dépôt direct du diamant de DCPV.

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