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plasma_cleaner_pdf-32g-2

Plasma Cleaner manual

DO's and DONT's

Only use bare substrate in the plasma cleaner, all exceptions should be discussed.

  • Si
  • SiO2
  • glass/quartz

MANUAL

  • Load samples on the sample tray
  • Start the vacuum pump while holding the door, make sure black valve is pointing down
  • Pump down to <100mTorr
  • Set black valve to the needle valve
    • if needle valve is open the pressure should go to previous setpoint (check the logbook)
    • or change the setpoint
  • Wait for pressure to stabilize
  • set RF (low, mid or high)
  • When plasma ignites start your timer
  • Turn off RF when timer finishes
  • Close black valve (valve pointing down)
  • Pump down to <100mTorr to make sure etch products are removed from the chamber
  • Stop the vacuum pump
  • Turn black valve to the right to vent
    • vent slowly to avoid samples flying around in the chamber
  • Close black valve (valve pointing down)
  • close the door
  • write in the logbook: name, date, sample, process conditions, any remarks

Recipes

Typical cleaning process:
500-900mTorr
1-3 minutes
High RF

Maintenance

Tip seal change of vacuum pump
Cleaning sample tray and chamber

plasma_cleaner_pdf-32g-2.txt · Last modified: 2023/02/24 07:56 by scholma

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