SAW filter manufacture and piezoelectric materials evaluation based on printed electronics technology

Xiao-chen LIU; Kun LI; Xiu-wei XUAN; Yang CAO; Jian-fu TENG

doi:10.1007/s11801-014-4117-4

Journals >Optoelectronics Letters >Volume 10 >Issue 5 >Page 340 > Article

Optoelectronics Letters
Vol. 10, Issue 5, 340 (2014)

SAW filter manufacture and piezoelectric materials evaluation based on printed electronics technology

Xiao-chen LIU, Kun LI^*, Xiu-wei XUAN, Yang CAO, and Jian-fu TENG

Author Affiliations

Tianjin Key Laboratory of Film Electronic and Communication Device, School of Electronics Information Engineering,Tianjin University of Technology, Tianjin 300384, China

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DOI: 10.1007/s11801-014-4117-4 Cite this Article

LIU Xiao-chen, LI Kun, XUAN Xiu-wei, CAO Yang, TENG Jian-fu. SAW filter manufacture and piezoelectric materials evaluation based on printed electronics technology[J]. Optoelectronics Letters, 2014, 10(5): 340 Copy Citation Text

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Abstract

In this paper, the silver nanoparticle ink and ink-jet printing technology are used to manufacture the surface acoustic wave (SAW) filters. The characteristics of three common substrate piezoelectric materials of ST-quartz, Y36° -LiTaO₃ and Y128°-LiNbO₃ are evaluated. The experimental results show that Y128°-LiNbO₃ matches the ink much better than others. The printed SAW filter with Y128°-LiNbO₃ as piezoelectric substrate is realized, and its center frequency and bandwidth are 18.4 MHz and 500 kHz, respectively.

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