the standard-performance or long-life CBT the EOL mechanism is more
> likely due to the first dynode of the EM becoming depleted of its coating,
> than buildup of internal contaminants.
>
> Dave
>
> ----- Original Message -
> From: <[EMAIL PROTECTED]>
> To:
> Sent
of the EM becoming depleted of its coating,
> than buildup of internal contaminants.
>
> Dave
>
> ----- Original Message -
> From: <[EMAIL PROTECTED]>
> To:
> Sent: Monday, February 04, 2008 6:39 AM
> Subject: [time-nuts] CBT EOL
>
>
> When a CBT
of its coating,
than buildup of internal contaminants.
Dave
- Original Message -
From: <[EMAIL PROTECTED]>
To:
Sent: Monday, February 04, 2008 6:39 AM
Subject: [time-nuts] CBT EOL
When a CBT reaches end-of-life, is it because the source of Cs is used
up? Or is it due to contamin
When a CBT reaches end-of-life, is it because the source of Cs is used
up? Or is it due to contamination of the electron multiplier?
I've heard both as causes but wanted more info.
I have a CBT with very low beam current and it keeps falling. I'm wondering
if running a higher than normal EM volta
