Try Nitric acid (HNO3) 30% etching   time 3-4 minutes for ceramic, 5-7 min
for single crystal




On Wed, 12 Dec 2001 KunLungYen@itri.org.tw wrote:

> hi,
>
> does anyone know the etchant for PZT?
> thanks in advance.
>
> Kun-lung Yen
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