Specific Process Knowledge/Etch/Etching of Aluminium

Etching of Aluminium

Etching of aluminium is done wet at Danchip. We have two different solutions:

(1) HFailed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle _2} O:HFailed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle _3} POFailed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle _4} 1:2 at 50 ^oC (2) Pre-mixed etch solution: PES 77-19-04 at 20 ^oC