Specific Process Knowledge/Etch/Aluminum Oxide/Al2O3 Etch using HF: Difference between revisions

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-Be aware of that the 5% HF etches quite fast - Actually so fast that it can be tricky to control the etch. Just imagine, you take a sample out of solution and place it in a bigger water container to rinse, and during that movement, the etch continues… So the handling things around the fumehood can be a source of errors.
+Be aware of that the 5% HF etches quite fast. Actually, so fast that it can be tricky to control. Taking the sample out of the solution and placing it in a bigger water container to rinse, resulting a time delay due to the movement and the etch continues. It means the handling things around the fumehood can be a source of errors in this case.
 ''Evgeniy Shkondin, DTU Nanolab, June 2019''