Abstract
One of the more significant technological achievements during the last 20 years has been the development of MEMS and its new offshoot, NEMS. These developments were made possible by significant advancements in the materials and processing technologies used in the fabrication of MEMS and NEMS devices. While initial developments capitalized on a mature Si infrastructure built for the integrated circuit (IC) industry, recent advances have come about using materials and processes not associated with IC fabrication, a trend that is likely to continue as new application areas emerge.
A well-rounded understanding of MEMS and NEMS technology requires a basic knowledge of the materials used to construct the devices, since material properties often govern device performance and dictate fabrication approaches. An understanding of the materials used in MEMS and NEMS involves an understanding of material systems, since such devices are rarely constructed of a single material but rather a collection of materials working in conjunction with each other to provide critical functions. It is from this perspective that the following chapter is constructed. A preview of the materials selected for inclusion in this chapter is presented in Table 11.1. It should be clear from this table that this chapter is not a summary of all materials used in MEMS and NEMS, as such a work would itself constitute a text of significant size. It does, however, present a selection of some of the more important material systems, and especially those that illustrate the importance of viewing MEMS and NEMS in terms of material systems.
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Abbreviations
- AFM:
-
atomic force microscope
- AFM:
-
atomic force microscopy
- CMOS:
-
complementary metal–oxide–semiconductor
- CVD:
-
chemical vapor deposition
- DC:
-
direct-current
- DRIE:
-
deep reactive ion etching
- FET:
-
field-effect transistor
- HF:
-
hydrofluoric
- IC:
-
integrated circuit
- LPCVD:
-
low-pressure chemical vapor deposition
- MEMS:
-
microelectromechanical system
- NEMS:
-
nanoelectromechanical system
- PECVD:
-
plasma-enhanced chemical vapor deposition
- PMMA:
-
poly(methyl methacrylate)
- PZT:
-
lead zirconate titanate
- RF:
-
radiofrequency
- RIE:
-
reactive-ion etching
- SEM:
-
scanning electron microscope
- SEM:
-
scanning electron microscopy
- SOG:
-
spin-on-glass
- SOI:
-
silicon-on-insulator
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Zorman, C.A., Mehregany, M. (2010). Material Aspects of Micro- and Nanoelectromechanical Systems. In: Bhushan, B. (eds) Springer Handbook of Nanotechnology. Springer Handbooks. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-02525-9_11
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