ChampionX has been granted a patent for methods of laser cutting polycrystalline diamond tables and compacts. This technique offers an efficient alternative to traditional machining methods like electrical-discharge machining and grinding, particularly for low-cobalt diamond tables, enabling various applications such as laser scribing and ablation. GlobalData’s report on ChampionX gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on ChampionX, was a key innovation area identified from patents. ChampionX's grant share as of June 2024 was 73%. Grant share is based on the ratio of number of grants to total number of patents.
Laser cutting methods for polycrystalline diamond compacts
The patent US12042906B2 outlines a method for forming a polycrystalline diamond compact with a specific geometry. The process begins with an initial polycrystalline diamond compact that features a polycrystalline diamond table, which has an upper surface. The method involves applying laser energy to a designated area of the diamond table to remove material, thereby creating a non-planar surface. Following this, leaching is performed on at least a portion of the diamond table, which can occur either before or after the application of laser energy. The resulting non-planar surface may include grooves that are strategically offset from the lateral surfaces of the diamond table, enhancing its structural characteristics.
Further details of the method include the progressive removal of diamond material through multiple passes of laser energy, ensuring minimal thermal damage to the diamond table. The depth of material removed in each pass is carefully controlled, typically ranging from 0.003 inch to 0.05 inch. Additionally, the method allows for the removal of a substrate bonded to the diamond table, which can be achieved through various techniques such as grinding, lapping, or electrical-discharge machining. The claims also specify that the polycrystalline diamond table may consist of a cylindrical shape and that the leaching process can be directed inwardly from the non-planar surface, contributing to the overall geometry and functionality of the diamond compact.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
