[S-4800-list] Problem with vacuum in the chamber

[Jiayi Shao]

Hi, All users,

I checked the s-4800, and the HV works fine now. The SEM is safe to use.

The HV turned off automatically before, it may be some interlock problem there. Thanks for reporting that. 

Jiayi Shao
Postdoctoral Research Associate
Birck Nanotechnology Center
Purdue University
1205 W State Street
West Lafayette, IN 47907-2057
Cell (505)480-9864
shao20 at purdue.edu



On Jun 18, 2014, at 2:12 PM, Anurup Datta wrote:

> Hello,
> 
> This afternoon, during taking an image, suddenly the HV turned off automatically and an error message popped up indicating a loss of vacuum in the chamber and thus an automatic shutdown of HV. 
> 
> After that, the HV can not be turned on and also during the sample exchange, the EVAC process is taking an unusually long time. 
> 
> Thanks,
> Anurup
> 
> -- 
> Anurup Datta
> School of Mechanical Engineering, 
> Purdue University, 
> West Lafayette, IN
> Tel:765-491-7585
> datta0 at purdue.edu
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