Wang, Xuan-Yu and Lee, Chi-Yuan and Peng, Cheng-Jien and Chen, Pei-Yen and Chang, Pei-Zen (2008) A micrometer scale and low temperature PZT thick film MEMS process utilizing an aerosol deposition method. Sensors and Actuators A: Physical, 143 (2). 469 - 474.
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Official URL: http://www.sciencedirect.com/science/article/B6THG...
An aerosol deposition method and its lift-off process have been integrated for fabricating thick lead–zirconate–titanate (PZT) films for MEMS applications. The thickness of the deposited PZT films can be controlled over a wide range from 2 μm to more than 18 μm. In an area of 60 mm × 70 mm, an optimum deposition rate of 5 μm/h has been observed. For 13 μm thick PZT films, the minimum linewidth of 30 μm has been achieved. The fabricated thick PZT films exhibit a strong perovskite phase, after aerosol deposition at room temperature. To verify the functionality of deposited PZT films, a 7 μm × 700 μm × 900 μm cantilever-beam resonator has been fabricated. The resonance frequencies of the PZT cantilever resonator were measured and found to be similar to results of the finite element simulation. Finally, a functional 5 μm × 650 μm × 1200 μm PZT cantilever resonator was realized by annealing the PZT film at 500 °C.
|Uncontrolled Keywords:||PZT thick film; Aerosol deposition method|
|Subjects:||Analytical Science > Nanotechnology for sensing and actuating|
Engineering > Nanotechnology applications in ICT
|Deposited On:||09 Apr 2009 16:46|
|Last Modified:||09 Apr 2009 16:46|
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