>>>...At -6000v, the anode-grid leakage
>>>was 0uA. At +4000v anode-grid leakage was 10uA - rapidly increasing at
>>>higher potentials.
>>>
>>>It is my opinion that 8877 s/n HSZ 501 probably died from gold boiling
>>>off of the grid.
>>
>>
>>Can someone educate me (and others)? I know very little about power grid
>>tubes, although I do know some physics.
>>
>>What's the physical explanation of this rectification effect -
>
>Loose gold meltballs are repelled from the anode insulator by negative
>potential. Positive anode potential attracts gold to the insulator.
I'm not arguing; but I need help understanding. I can understand why a
field-emission rectifier works; it's because electrons come in just one
polarity. (At least, in normal matter, not antimatter :-) But I don't
understand why little gold balls would exhibit polarity.
-Chuck
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