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Damage effects in Pyrex by CF4 reactive ion etching in dual RF-microwave plasmas
journal contribution
posted on 2023-06-08, 08:23 authored by D A Zeze, J D Carey, V Stolojan, B L Weiss, S R P SilvaThe bonding disruption and thermal damage induced on Pyrex substrates during the reactive ion etching in CF4/Ar and CF4/O-2 dual RF-microwave plasmas is reported. Energy dispersive X-ray and scanning probe analyses indicate that metallic impurities aggregate in clusters of different atomic abundance. These clusters are shown to disrupt the homogeneity and contribute to a non-uniform etching of the substrates. The surface morphology, chemical composition and etching rate are shown to vary with the substrate impedance. Furthermore, the edge effects, local elemental composition, free radical permeation and extended exposure to microwave power are believed to induce substantial thermal damage.
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Publication status
- Published
Journal
Micro and Nano LettersISSN
1750-0443Publisher
Institution of Engineering and TechnologyExternal DOI
Issue
2Volume
1Page range
103-107Pages
5.0Department affiliated with
- Engineering and Design Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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