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Proceedings Paper

Two-cavity MEMS capacitive power scavenger
Author(s): Jie Lin; Jianxiong Zhu; Zaichun Feng; Mahmoud Almasri
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Paper Abstract

We have designed, modeled, fabricated and tested novel MEMS variable capacitors with two air cavities (two capacitors) for electrostatic power harvesting utilizing mechanical vibration in environment. The device is unique in the use of an innovative two-cavity design and electroplated nickel as the main structural material, which allows using both up and down directions to generate energy. The prototype of two-cavity MEMS variable capacitors have been successfully fabricated using surface micromachining. The initial testing for investigating electrical dynamic behaviors and power generation from the fabricated devices was implemented.

Paper Details

Date Published: 25 May 2012
PDF: 7 pages
Proc. SPIE 8377, Energy Harvesting and Storage: Materials, Devices, and Applications III, 83770O (25 May 2012); doi: 10.1117/12.919501
Show Author Affiliations
Jie Lin, Univ. of Missouri-Columbia (United States)
Jianxiong Zhu, Univ. of Missouri-Columbia (United States)
Zaichun Feng, Univ. of Missouri-Columbia (United States)
Mahmoud Almasri, Univ. of Missouri-Columbia (United States)


Published in SPIE Proceedings Vol. 8377:
Energy Harvesting and Storage: Materials, Devices, and Applications III
Nibir K. Dhar; Priyalal S. Wijewarnasuriya; Achyut K. Dutta, Editor(s)

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