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Specific Process Knowledge/Etch/Wet Chromium Etch: Difference between revisions

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'''All measurements on this page has been made by Nanolab staff.'''  
'''All measurements on this page has been made by Nanolab staff.'''  


[[Category:Equipment|Etch Wet Chromium]]
[[index.php?title=Category:Equipment|Etch Wet Chromium]]
[[Category:Etch (Wet) bath|Chromium]]
[[index.php?title=Category:Etch (Wet) bath|Chromium]]


==Wet etching of Chromium==
==Wet etching of Chromium==
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PECVD SiO2 and LPCVD SiN coated wafers have been immersed in Cr etch 18 for 10min. Thickness wise: absolutely no changes (roughness after etch not measured)
PECVD SiO2 and LPCVD SiN coated wafers have been immersed in Cr etch 18 for 10min. Thickness wise: absolutely no changes (roughness after etch not measured)


Normally the etch is reused (if you etch Molybdenum never reuse), but if you need to dispose it, collect it in a bottle marked O waste.  
Normally the etch is reused (if you etch Molybdenum never reuse), but if you need to dispose it, collect it in a bottle marked X waste.  


===Overview of the chromium etch process===
===Overview of the chromium etch process===