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
Optoelectronics Letters ›› , Vol. 10 ›› Issue (5) : 340-342.
SAW filter manufacture and piezoelectric materials evaluation based on printed electronics technology
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.
Surface Acoustic Wave / Apply Physic Letter / Minimum Attenuation / Piezoelectric Substrate / Print Electronic
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This work has been supported by the Project of the Science & Technology Pillar Program of Tianjin (No.12ZCZDJC35500), and the Natural Science Foundation of Tianjin (No.13JCQNJC01300).
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