Microfabricated Lamb Wave Device Based on PZT Sol-Gel Thin Film for Mechanical Transport of Solid Particles and Liquids  

Oleh:

Luginbuhl, P. ; Setter, N. ; Brooks, K. G. ; Collins, S. D. ; Rooij, N. F. De ; Racine, G.-A. ; Gretillat, M.-A.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Microelectro Mechanical System vol. 6 no. 4 (1997), page 337-346.
Topik: LIQUIDS; microfabricated; lamb wave; device; sol - gel; thin film; mechanical transport; solid particles; liquids

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ30.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

The fabrication using silicon micromachining and characterization of an acoustic Lamb wave actuator is presented. The intended use of the device is for mass transport and sensor applications. The device consists of dual interdigitated transducers patterned on a thin-film composite membrane of silicon nitride, platinum, and a sol - gel - derived piezoelectric ceramic (PZT) thin film. The acoustic properties of the device are presented along with preliminary applications to mechanical transport and liquid delivery systems. Improved acoustic signals and improved mass transport are achieved with PZT over present Lamb wave devices utilizing ZnO or AlN as the piezoelectric transducer.

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