Electric discharge machine for preparation of diamond anvil cell sample chambers

J E Proctor, D Massey
2018 Review of Scientific Instruments  
We have designed and constructed a novel electric discharge machine designed primarily for the preparation of sample chambers in rhenium and stainless steel gaskets for diamond anvil cell experiments. Our design combines automatic stage movement with relatively low voltage (100 V) operation and routinely achieves a drilling/erosion speed of approximately 0.4 μm s-1. The machine is used for preparing 100 μm diameter sample chambers for diamond anvil cell experiments with 250 μm culets and has
more » ... m culets and has also been used to prepare 50 μm diameter sample chambers for diamond anvil cell experiments with 100 μm culets to access a pressure of 165 GPa.
doi:10.1063/1.5050500 pmid:30399960 fatcat:6qbepyebsnhdtpkd2ikz7vtvuy