[mems-talk] BHF precipitates ?

[Barbara Cortese]

You should explain if you heat the solution while etching.

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>From      : mems-talk-bounces at memsnet.org
To          : "Qiao Dayong" dyqiao at nwpu.edu.cn,"General MEMS discussion" mems-talk at memsnet.org
Cc          : 
Date      : Tue, 26 Dec 2006 10:38:21 +0530
Subject : Re:[mems-talk] BHF precipitates ?


> Dear Friend,
> Are you filtering the NH4F and DI water solution or not?
> We are filtering the solution and then mixing the resultant soln. with HF acc.
> to our concen. requirement. We have not faced any problems.
> Try it.