Re: SX-110 Crystal Instability
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And for those non-microscopists/ non-biology majors:
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BSE = backscattered electrons
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SEM = scanning electron microscope
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Bob K3AC
In a message dated 11/7/2022 2:28:58 PM Eastern Standard Time, drootofallevil@... writes:
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steve
I just ran across this,but but there is not enough info to know if it could be related to your investigation.?
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"This is a BSE SEM image of a quartz crystal that reportedly shifted in frequency. The problem was apparently caused by tin-lead solder on the spring mounts that wicked out onto the silver contact metallization on the crystals, which would be expected to change the mechanical response and therefore the frequency of the crystal."
from ...
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don VA3DRL
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