Specific Process Knowledge/Etch/Aluminum Oxide: Difference between revisions

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Etching Al2O3 can be done both chemically and by dry etching. We have not tested a chemical etch but a possibility could be to use a developer. This will be selective to most materials not containing Al. Do expect a slow and isotropic etch rate of about 1-2 nm/min. We have done some test of Al2O3 in dry etching. It has been mostly tested in the III-V ICP. Please see links below.
Etching Al<sub>2</sub>O<sub>3</sub> can be done both chemically and by dry etching. We have not tested a chemical etch but a possibility could be to use a developer. This will be selective to most materials not containing Al. Do expect a slow and isotropic etch rate of about 1-2 nm/min. We have done some test of Al2O3 in dry etching. It has been mostly tested in the III-V ICP. Please see links below.




*[[/Al2O3 Etch with ICP Metal|Al2O3 etch using ICP metal]]
*[[/Al2O3 Etch with ICP Metal|Al2O3 etch using ICP metal]]
*[[/Al2O3 Etch with III-V ICP|Al2O3 etch using III-V ICP]]
*[[/Al2O3 Etch with III-V ICP|Al2O3 etch using III-V ICP]]

Revision as of 07:10, 26 June 2019

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Etching Al2O3 can be done both chemically and by dry etching. We have not tested a chemical etch but a possibility could be to use a developer. This will be selective to most materials not containing Al. Do expect a slow and isotropic etch rate of about 1-2 nm/min. We have done some test of Al2O3 in dry etching. It has been mostly tested in the III-V ICP. Please see links below.