I was using silicon powder before. However, most of the
vendors give bad quality of powders which is full of
impurities. So, I was using silicon wafer instead.

To determine how much silicon should be added in the TMAH
solution, could you tell me what is your purpose?



>
> Hello All!
>     I am looking for Silicon Powder. Would anybody plz.
> inform me list of vendors, who supply silicon powder. I
> will appriciate if you can tell me the specs of silicon
> powder for adding in TMAH based silicon etching.
>
> Sincerely yours
>
>    RAJKUMAR
> SCL, India
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Best Regards,
Kin