yellow label request

Mahnaz Mansourpour mahnaz at
Mon Nov 5 10:27:10 PST 2007

Hello Richard ,
This is to inform you that your request has been approved  and I have 
checked with Nancy as well. When using the bench with your chemical 
please label it  and make note that  has surfactants.


Richard Yeh wrote:

> Hi Mahnaz,
> How are you doing?  Thanks for training me on the ASML last week.
> I would like to request a yellow label so I can bring in an Aluminum 
> wet etchant (1 gal bottle) into SNF.  The etchant is chemically 
> similar to the Cyantek AL-11 etchant used at wbmetal with the 
> exception that it has surfactants.  The MSDS is attached and the key 
> chemicals are phosphoric acid, acetic acid and nitric acid.
> Thanks for your help.
> Richard
> yeh at snf

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