Specific Process Knowledge/Etch/Wet Aluminium Etch: Difference between revisions
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The first solution is always available ready made in the Aluminium Etch bath. The second solution can be mixed manually or bought pre-mixed and ready for use. Please contact DTU Danchip if you need to use the PES 77-19-04 etch mixture. Since it is used only very rarely it | The first solution is always available ready made in the Aluminium Etch bath. The second solution can be mixed manually or bought pre-mixed and ready for use. Please contact DTU Danchip if you need to use the PES 77-19-04 etch mixture. Since it is used only very rarely it will probably have to be ordered when needed. The table below summarizes possibilities and parameter for the two etch mixtures. | ||