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8in Photocathode Plan

The chamber for 8-inch photocathode processing is fully prepared, featuring a base vacuum of <10^-9 Torr and operational RGA. It has been reconfigured specifically for 8-inch depositions, with all necessary internal tooling installed. Polished B33 windows are ready, including one with a NiCr border electrode. The complete process loading will occur in the next two days, with the first 8-inch cathode shoot scheduled for early next week. Following that, we aim for a processing rate of one cathode per week.

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8in Photocathode Plan

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  1. 8in Photocathode Plan • Chamber is ready to process • <10-9Torr base vacuum, RGA operational, fully baked • Chamber reconfigured for 8in depositions • Have all internal tooling • 5mm thick, 8.7” polished B33 windows ready • One has been NiCr border electroded • Complete process loading in next 2 days • Shoot first 8in cathode early next week • Can process 1 per week thereafter

  2. Flow Plan for 8” Bialkali Tests

  3. 8” Process Tank Manipulator Alkali sources

  4. Chamber Configuration for8” Bialkali Tests

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