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Infinite Selectivity of Wet SiO(2) Etching in Respect to Al

We propose and demonstrate an unconventional method suitable for releasing microelectromechanical systems devices containing an Al layer by wet etching using SiO(2) as a sacrificial layer. We used 48% HF solution in combination with 20% oleum to keep the HF solution water-free and thus to prevent at...

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Detalhes bibliográficos
Publicado no:Micromachines (Basel)
Main Authors: Gablech, Imrich, Brodský, Jan, Pekárek, Jan, Neužil, Pavel
Formato: Artigo
Idioma:Inglês
Publicado em: MDPI 2020
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC7230285/
https://ncbi.nlm.nih.gov/pubmed/32244504
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3390/mi11040365
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