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overcoating ideas


Aurigema, Andrew N. (KSC)[ASRC AEROSPACE]
 

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Hello Gang,
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I have been busy hooking up a?monster 4 kw welding power supply to a tiny little tantalum boat that I made.? All this in hopes of evaporating some SiO ( silicon monoxide ) and getting it to fly across the vacuum of my chamber and overcoat a freshly aluminized mirror.?? I can pump?2000 amps at just under?2?volts thru the boat and the transformers dont even get warm.? The same can not be said for the little?boat.......... the first one became a?sad little splatter pattern?on the floor of my chamber :_((((((?????
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So to the question :? as my little boat filled with SiO is covered, how does one know?if the SiO has indeed evaporated and left the boat ????
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Is there a poor boy's version of the crystal oscillator thing that tells you that you have actually put some SiO on?a surface ???
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Andrew in sunny Florida