Metal Etchants
These are liquid metal etchants of various compositions, targeting specific metals. Make sure to check the compatibility with other materials on your wafers when using.
List of Metal Etchants
Aluminum Etchant aka "Al-Etch" (Phosphoric acid based)
Chromium Etchant aka "Chrome Etch"
Titanium (Ti) etchant Peroxide-based aka "Ti-Etch" (H2O2)
Tungsten (W) etchant Peroxide-based aka "W-etch" (H2O2)
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