System for reducing oxygen contamination of milled silicon

  • US 10,569,278 B1
  • Filed: 10/11/2019
  • Issued: 02/25/2020
  • Est. Priority Date: 10/02/2019
  • Status: Active Grant
First Claim
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1. A milling system, comprising:

  • a reservoir shaped and sized to carry a solvent or a slurry comprising the solvent and a material to be milled;

    a treatment column in communication with the reservoir, the column configured to remove one or more of water, oxygen, or impurities from the solvent; and

    a mill in fluid communication with the reservoir, the mill configured to triturate the material when carried in the solvent;

    wherein the treatment column is disposed before the mill relative to a drying-process flow through the milling system.

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