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Abstract

Example electrochemical machining systems and methods for machining a surface of a sample. In particular, the system includes a nozzle configured to dispense a jet of an electrolyte solution towards the surface of the sample. A position or orientation of the nozzle can be controlled to direct the jet of the electrolyte solution from the nozzle towards an area of the surface of the sample (e.g., an area for electrochemical etching or other surface treatment). The electrochemical machining is performed by application of a charge to the nozzle and apply a charge to the sample (e.g., grounding or other charge return path), such that the nozzle and the sample define first and second electrodes of an electrolytic cell, electrically connected by the jet of electrolyte solution.

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