[labnetwork] Wireless Network In Cleanrooms

[Emre Heves]

Dear John,
what about more critical equipment like an E-beam lithography tool? Can 
wireless signal be a problem in terms of electromagnetic noise?

Regards
Emre

-- 
Emre Heves

Sabanc? University
Nanotechnology Research and Application Center
Orta Mahalle, Üniversite Caddesi No: 27
34956 Tuzla-I.stanbul
Office: 0 216 483 9884
Fax: 0 216 483 9885
Email: eheves at sabanciuniv.edu
http://sunum.sabanciuniv.edu/



On 26.07.2012 19:22, John Shott wrote:
> Mark
>
> We provide wireless access in our clean room for use of laptops, 
> iPads, smart phones, and similar devices. My guess is that if you 
> don't provide wireless, you'll have a collection of self-installed 
> wireless access points ... which will probably cause you more 
> headaches than an "official" installation.
>
> Clean rooms often provide a challenge in terms of getting good 
> wireless coverage given all of the steel that tends to block good 
> coverage. Note, we also have a collection of wireless sensors that are 
> monitoring a variety of facility utilities.
>
> To my knowledge, we've never seen problems with wireless signals 
> interfering with equipment. Things like RF supplies and "bang-bang" 
> heater circuits seem to offer greater potential for interference ... 
> often by inducing noise on AC lines.
>
> I would suggest that you add wireless to the list of utilities in you 
> clean room.
>
> John
>
> Sent from my iPhone
>
> On Jul 25, 2012, at 5:05 PM, "Mark Heiden" <mheiden at engr.ucr.edu 
> <mailto:mheiden at engr.ucr.edu>> wrote:
>
>> Dear Colleagues, Have any of you implemented wireless networks inside 
>> your cleanrooms?
>>
>> We are constructing a new facility and I was asked if I wanted 
>> wireless installed and my first reaction was why? The clean-bays will 
>> already be full of hard line network ports.
>>
>> If you are using a wireless network what are you using it for and are 
>> there any potential equipment interference issues?
>>
>> Thanks in advance,
>>
>> Mark Heiden
>> UC Riverside
>> Center for Nanoscale Science and Engineering
>> NanoFab Cleanroom Manager
>> (951) 827-2551
>> mheiden at engr.ucr.edu <mailto:mheiden at engr.ucr.edu>
>>
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