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playground:alphatross [2020/03/17 16:30] jacobs |
playground:alphatross [2020/06/11 08:41] jacobs |
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==== NEC Alphatross RF Source Instructions ==== | ==== NEC Alphatross RF Source Instructions ==== | ||
- | THESE ARE DRAFT INSTRUCTIONS WRITTEN REMOTELY. THERE MAY BE OMISSIONS AND INCORRECT NOMENCLATURE, USE YOUR OWN JUDGEMENT... | ||
- | |||
** __START UP__ ** | ** __START UP__ ** | ||
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- Raise the Probe Voltage to 3 KV as a start, this might be enough to get the plasma going. | - Raise the Probe Voltage to 3 KV as a start, this might be enough to get the plasma going. | ||
- If there is still no plasma try raising the Mass Flow setting to as much as .5 SCCM to inspire ignition and then return to .35 SCCM. | - If there is still no plasma try raising the Mass Flow setting to as much as .5 SCCM to inspire ignition and then return to .35 SCCM. | ||
+ | - **This is a pause point for source clean up, can run like this for days, should reduce probe current over time** | ||
- Monitor the Probe Current, maintain 3 mA +/- 1 mA, and continue raising the Probe Voltage until it reaches 6.5 KV. | - Monitor the Probe Current, maintain 3 mA +/- 1 mA, and continue raising the Probe Voltage until it reaches 6.5 KV. | ||
- Set the Oven Voltage to 87 V, wait ten minutes. After 10 minutes the Oven Temp should be around 150 C. | - Set the Oven Voltage to 87 V, wait ten minutes. After 10 minutes the Oven Temp should be around 150 C. |