I have Gold pattern on the sample and meling point of Gold is 1064oC.
if I want to do it at 1000oC or 900oC, what should be the time by your
expection?
I do not need to be accurate. 20-50nm of SiO2 is fine

best

Yu Chen

Quoting Laetitia Philippe :

> Hallo Chen,
>
> you can do a thermal oxidation, typically 1100C for one hour under
> oxygen atmosphere