use of polystyrene nanospheres in SNF

Mary Tang mtang at
Tue Jul 3 16:32:38 PDT 2007

Hi all --

Did we get back to this group?  It's part of the ME342 program and Tracy 
just stopped by...  My comments in a bit.


David Gutierrez wrote:
> I am emailing in regards to a proposed material that we plan to bring 
> into SNF during the summer. Part of the project that we will be 
> working on will involve the use of polystyrene nanospheres for use 
> during one of the process steps.
> My group members and I are wondering whether this material can be 
> allowed to be brought into SNF. I am attaching the MSDS provided by 
> the company (Duke Scientific) that describes the material.
> These polystyrine nanospheres come in 15ml containers and are in a 
> water solution. The individual polystyrene nanospheres will be in the 
> range of about 300-500nm for the purposes that we are trying to use.
> This project will be part of E342: MEMS Fabrication for the summer 
> quarter. Please contact us at your earliest convenience to determine 
> whether we can proceed with the proposed plan, or if we have to find 
> alternate solutions.
> Regards,
> David E. Gutierrez

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

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