Invention Grant
US08951317B1 Superabrasive elements including ceramic coatings and methods of leaching catalysts from superabrasive elements 有权
超级磨料元素包括陶瓷涂层和从超级磨料元素浸出催化剂的方法

Superabrasive elements including ceramic coatings and methods of leaching catalysts from superabrasive elements
Abstract:
A method of processing a polycrystalline diamond element is disclosed. The method may include depositing a vaporized material over a selected portion of a polycrystalline diamond element to form a protective coating over the selected portion. The polycrystalline diamond element may include a polycrystalline diamond table. The method may also include exposing at least a portion of the polycrystalline diamond element to a leaching solution such that the leaching solution contacts an exposed surface region of the polycrystalline diamond table and at least a portion of the protective coating. The method may also include removing the polycrystalline diamond element from the leaching solution. The protective coating may be substantially impermeable to the leaching solution.
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