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Fabrication of 3D Carbon Microelectromechanical Systems C-MEMS
Published on: June 17, 2017
Fundamental Study for a Graphite-Based Microelectromechanical System
Junji Sone1, Mutsuaki Murakami2, Atsushi Tatami3
1Faculty of Engineering, Tokyo Polytechnic University, Atsugi 243-0297, Japan. sone@cs.t-kougei.ac.jp.
Researchers developed a novel carbon-based microelectromechanical system (MEMS) using graphite. This process yielded high-performance MEMS devices with improved Q values, demonstrating a simple yet effective structure.
Area of Science:
- Materials Science
- Nanotechnology
- Mechanical Engineering
Background:
- Microelectromechanical systems (MEMS) are crucial for miniaturized devices.
- Carbon-based materials offer unique properties for advanced applications.
- Developing novel fabrication processes for MEMS is an ongoing challenge.
Purpose of the Study:
- To develop a fabrication process for carbon-based microelectromechanical systems (MEMS).
- To utilize highly oriented pyrolytic graphite (HOPG) for MEMS construction.
- To evaluate the performance of fabricated MEMS devices.
Main Methods:
- Exfoliation of highly oriented pyrolytic graphite (HOPG) to create microsheets.
- MEMS fabrication techniques to create cantilevers and double-clamped beams.
- Graphite sheet adhesion using metal sputter deposition and laser cutting.
Main Results:
- Successful fabrication of carbon-based MEMS structures (cantilevers, double-clamped beams).
- Achieved significantly improved Q values, reaching 1/10th the level of quartz vibrators.
- Demonstrated high performance and a simple device structure.
Conclusions:
- The developed process enables the construction of high-performance carbon-based MEMS.
- HOPG is a viable material for advanced MEMS fabrication.
- The fabricated devices exhibit superior Q values and structural simplicity.
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