DIAMOND-LIKE COATING, METHOD OF ITS PLATING AND DENTAL BUR WITH THE SAID DIAMOND-LIKE COATING

摘要

Objects of the invention: diamond-like coating, method for its plating on theproduct surface and dental bur with this coating. The field of the invention:producingwear-resistant diamond-like coatings on metal and non-metal products, inparticular, onmedical tools. The essence of the invention: a layer of diamond-like substanceplated onthe substrate by way of carbon deposition in the gas phase under theconditions ofreduced pressure is an aggregate of successive sub-layers of diamond-likecoating withreduced concentration of contaminants in the sub-layers interfaces areas, thelayer isplated in a sealed chamber under pressures lower than atmosphere pressurecontrollingthe product temperature during the deposition process by the method comprisingplatinga metal sub-layer from a separate stationary source of metal plasma andfurther platingdiamond-like coating on products being under floating voltage, wherein beforeturning oneach of the metal or carbon plasma sources the plasma flow is completelyblocked with ashutter, then the corresponding source is turned on, and in the predeterminedperiod oftime the shutter is made open. Such a coating is plated on a dental bur. Thetechnicalresult: increase of the coating thickness and increase in its strength andwear resistance.