Fwd: Request for chemicals

Mary Tang mtang at stanford.edu
Thu Sep 2 15:51:58 PDT 2010

Hi all --

Some comments on the procedure are in RED on the spreadsheet.  My main 
concern is the space.  Multiple beakers for handling chemicals for 8" 
wafers is difficult at wbgeneral and wbsolvent.  I would suggest that 
the solvent bench in the wafersaw room might be more appropriate -- 
although not cleanroom, it's got more space and less traffic.  The 
protocols don't require the features that require enabling on the 
solvent bench.  The wbgaas bench might be better for space considerations.

My other question is the concentration of TFA used.  The TFA should be 
stored in the chemicals passthrough.  It will likely be a small bottle 
(or it should) so I'd ask it be stored in a bottle carrier (labeled on 
the outside) so that no one inadvertently stores a small bottle of an 
incompatible next to it.   The EDA should be stored in the flammables 
cabinet.  I think it would be better that the mixed chemicals be made up 
so that there's just enough for the experiment -- we should not have to 
accommodate storage for these chemical mixtures.

Uli, what do you think?


Mahnaz Mansourpour wrote:
> Hi
> I am forwarding this from Vasanth behalf, he cc'd it to specmat, not 
> sure if you have gotten it?
> One thing though  is that they are 8" and he is very anxious to start 
> the process.
> mahnaz
> -------- Original Message --------
> Subject: 	Request for chemicals
> Date: 	Tue, 31 Aug 2010 16:38:51 -0700
> From: 	Vasanth <vasanthvj4u at gmail.com>
> To: 	mahnaz at snf.stanford.edu
> CC: 	specmat at snf.stanford.edu
> Hello,
> Contact Details:
> Name: Vasanth Jayaraman
> Phone: 315-246-3588
> Email: vasanthvj4u at gmail.com <mailto:vasanthvj4u at gmail.com>
> Company: HealthTell
> Coral Login: vasanthvj4u
> I have attended the lab tour at SNF on Monday, 23rd August and have 
> already set up an account with SNF. I would like to explain our process.
>  I have attached the excel sheet that contains the details about our 
> process and the chemicals we would need to complete the same.
> Kindly let me know how we can proceed with regards to setting up our 
> process at SNF. 
> Thanking you.
> Regards,
> Vasanth

Mary X. Tang, Ph.D.
Stanford Nanofabrication Facility
CIS Room 136, Mail Code 4070
Stanford, CA  94305
mtang at stanford.edu

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