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Old 01-13-2021, 12:29 PM   #10601
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Default Re: Cool Pictures

I took some pictures of plasma yesterday, tried to anyways. The viewing port is only about 1" round so it's pretty tough to capture decent photos..

There's no light source, this is inside a completely dark vacuum chamber running at about 2mTorr (that's close to same vacuum pressure as outer space..) with a pure Argon environment..

Each material generates it's own colour of plasma, these ones are ZnO and ITO..


ZnO:


ITO:

Last edited by QuesoDelDiablo; 01-13-2021 at 12:39 PM.
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Old 01-13-2021, 01:15 PM   #10602
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Default Re: Cool Pictures

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Originally Posted by QuesoDelDiablo View Post
I took some pictures of plasma yesterday, tried to anyways. The viewing port is only about 1" round so it's pretty tough to capture decent photos..

There's no light source, this is inside a completely dark vacuum chamber running at about 2mTorr (that's close to same vacuum pressure as outer space..) with a pure Argon environment..

Each material generates it's own colour of plasma, these ones are ZnO and ITO..
The pictures turned out really good, impressive to see. What is the application?
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Old 01-13-2021, 01:19 PM   #10603
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Default Re: Cool Pictures

^^That's cool as hell!
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Old 01-13-2021, 01:31 PM   #10604
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Old 01-13-2021, 03:28 PM   #10605
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Default Re: Cool Pictures

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Originally Posted by Greatscott View Post
The pictures turned out really good, impressive to see. What is the application?
I was pretty impressed with how well the pictures tuned out, I'm gonna set up some better lighting to see if I can get rid of the reflections..

I'm not sure if you mean the process itself or the end use so I'll cover both..

The process itself is called plasma vapour deposition. It's creating plasma by using electromagnetic forces pushed through a material which breaks apart the structure of it into ions and electrons which are carried through the plasma (I guess technically they are the plasma?) and deposited onto a surface. Some materials (the ZnO for example) are non-conductive so I use and RF generator to create the emf or on conductive materials DC power (typically around 400-600volts at .3-.5 amps) is used.

This process and combination of materials (ZnO & ITO) is for a team that's researching (and trying to improve) the efficiency of photovoltaic cells. I also do a lot of work for groups that are working on different micro manufacturing; bio-sensors, testing equipment etc..

I do most of my work in nanometers or Angstroms, units of measure that my simple little brain can barely even comprehend. A typical thickness is around 100nm (1000Angstroms)..
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Old 01-13-2021, 05:51 PM   #10606
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Default Re: Cool Pictures

Quote:
Originally Posted by QuesoDelDiablo View Post
The process itself is called plasma vapour deposition. It's creating plasma by using electromagnetic forces pushed through a material which breaks apart the structure of it into ions and electrons which are carried through the plasma (I guess technically they are the plasma?) and deposited onto a surface. Some materials (the ZnO for example) are non-conductive so I use and RF generator to create the emf or on conductive materials DC power (typically around 400-600volts at .3-.5 amps) is used.

This process and combination of materials (ZnO & ITO) is for a team that's researching (and trying to improve) the efficiency of photovoltaic cells. I also do a lot of work for groups that are working on different micro manufacturing; bio-sensors, testing equipment etc..

I do most of my work in nanometers or Angstroms, units of measure that my simple little brain can barely even comprehend. A typical thickness is around 100nm (1000Angstroms)..
Anybody else like me?
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Old 01-13-2021, 11:16 PM   #10607
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Originally Posted by Chiphead View Post
Anybody else like me?
Full disclosure - I'm just the technician that runs the equipment, I 10% understand this stuff compared to the researchers that I work for..



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Old 01-18-2021, 09:14 AM   #10608
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R32 out of Lego. (singular no s)

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Old 01-18-2021, 05:36 PM   #10609
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Default Re: Cool Pictures

That's cool
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