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Etch rates for micromachining processing

Williams, K.R., Muller, R.S.·1996·Journal of Microelectromechanical Systems

Abstract

The etch rates for 317 combinations of 16 materials (single-crystal silicon, doped, and undoped polysilicon, several types of silicon dioxide, stoichiometric and silicon-rich silicon nitride, aluminum, tungsten, titanium, Ti/W alloy, and two brands of positive photoresist) used in the fabrication of microelectromechanical systems and integrated circuits in 28 wet, plasma, and plasmaless-gas-phase etches (several HF solutions, H/sub 3/PO/sub 4/, HNO/sub 3/+H/sub 2/O+NH/sub 4/F, KOH, Type A aluminum etchant, H/sub 2/O+H/sub 2/O/sub 2/+HF, H/sub 2/O/sub 2/, piranha, acetone, HF vapor, XeF/sub 2/, and various combinations of SF/sub 6/, CF/sub 4/, CHF/sub 3/, Cl/sub 2/, O/sub 2/, N/sub 2/, and He in plasmas) were measured and are tabulated. Etch preparation, use, and chemical reactions (from the technical literature) are given. Sample preparation and MEMS applications are described for the materials.

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Metadata

Authors
Williams, K. R., & Muller, R. S.
Venue
Journal of Microelectromechanical Systems
Published
1996
Volume
5
Issue
4
Pages
256-269
ISSN
1057-7157 (ISSN-L)
OpenAlex
W2110070104
Cited by
646
References
1
FWCI
7.28
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Etch rates for micromachining processing. https://app.cochat.ai/papers/10.1109/84.546406
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Williams, K. R., & Muller, R. S. (1996). Etch rates for micromachining processing. Journal of Microelectromechanical Systems. https://doi.org/10.1109/84.546406

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