Maybe JEOL went to a different window material? Wouldn't be the first time
they did something like that and didn't tell anyone. Either way, cool, free
counts! Did P/B get better or worse?
Too bad about Chitna. Are you at least going to get a chance to murder
Bambi in August?
Best,
OKN
On Fri, Jun 15, 2018 at 12:47 AM, Michael, Peter <[log in to unmask]> wrote:
> Ken,
>
>
>
> If it is a thinner window than you had before, you should see the effect
> mostly for the softest x-rays:
>
>
>
> The ratio New counts/ old counts would be highest for the softest
> x-rays. The ratio would progressively decrease as x-ray energy increased.
>
>
>
> Peter
>
>
>
> Peter Michael
>
> McMan Professor and Chair
>
> Department of Geosciences
>
> The University of Tulsa
>
> 800 S. Tucker Drive
> <https://maps.google.com/?q=800+S.+Tucker+Drive+%0D%0A+%0D%0A+%0D%0A+Tulsa,+OK.+74104&entry=gmail&source=g>
>
> Tulsa, OK. 74104
> <https://maps.google.com/?q=800+S.+Tucker+Drive+%0D%0A+%0D%0A+%0D%0A+Tulsa,+OK.+74104&entry=gmail&source=g>
>
> 918-631-3017
>
> Fax: 918-631-2091
>
> [log in to unmask]
>
>
>
> *From: *JEOL-Focused Probe Users List <[log in to unmask]> on
> behalf of Ken Severin <[log in to unmask]>
> *Reply-To: *JEOL-Focused Probe Users List <[log in to unmask]>
> *Date: *Friday, June 15, 2018 at 12:22 AM
> *To: *"[log in to unmask]" <[log in to unmask]>
> *Subject: *Re: [PROBEUSERS] Detector Window question
>
>
>
> My thoughts too. I checked and they are. Maybe I got a super thin window!
>
>
>
> Ken
>
>
>
> On Thu, Jun 14, 2018, 14:20 Ron Rasch <[log in to unmask]> wrote:
>
> Yes, sounds big to me too. Are the slits in the same position ?
>
>
>
> Ron
>
> Uni of QLD
>
>
> On 15/06/2018, at 6:27 AM, "Ken Severin" <[log in to unmask]> wrote:
>
> Hi all - we just changed the detector window on one of our argon detectors
> and are seeing somewhere around 20-25% more counts using the new window.
> This seems like a huge increase. While I would expect some change, I would
> expect the change to be in the range of a couple percent. Has anyone else
> seen this?
>
>
>
> Thanks!
>
>
>
> Ken Severin
>
> U Alaska Fairbanks
>
> JXA-8530F
>
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--
Dr. Owen K. Neill
Manager, Electron Microbeam Analysis Laboratory
School of Earth and Environmental Sciences
2007 North University Building
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Web: https://sites.lsa.umich.edu/emal/
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