A method for accelerated leaching of binder-catalyst material from the polycrystalline diamond structure of a PDC is disclosed. The PDC is sonochemically leached. Also disclosed are fixture, equipment and a system for sonochemically leaching the polycrystalline diamond structure of a PDC. ...http://www.google.es/patents/US20070169419?utm_source=gb-gplus-sharePatente US20070169419 - Sonochemical leaching of polycrystalline diamond
