Hi Sampo,

well, dilution minimizes the etch rate, as higher concentration enhances it.
About linearity I'm not quite sure.

Antje



Sampo Tuukkanen schrieb:

> Hi,
>
> how can I etch gold slowly (~100 nm/min)?
> Can I slow etching by diluting etch-solution (4g KI / 1g I2 / 40ml H2O),
> which etches 500-1000 nm/min?
> If so, does the etch-rate reduce linearly with consentration of KI and I2?
>
> -Sampo Tuukkanen, University of Jyväskylä, FINLAND
>
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