The bulk acoustic waves launched in a piezoelectric crystal by an interdigital transducer, considered earlier as a spurious response in SAW devices, are now usefully employed in planar bulk acoustic wave (BAW) devices. This paper presents the results of a theoretical analysis of bulk wave response in a material. The analysis enables one to design BAW devices with a more desirable response than those obtained so far. Copyright © 1988, The Institution of Electrical Engineers. All rights reserved.

Ashok Jhunjhunwala

Department of Electrical Engineering

Elizabeth Elias

Piezoelectric devices

Piezoelectric transducers

BULK ACOUSTIC WAVES

Interdigital transducer

PIEZOELECTRIC CRYSTAL

Acoustic surface wave devices

IIT Madras is a public technical and research university located in Chennai, Tamil Nadu. Founded in 1959, it is recognised as an Institute of National Importance.

IIT Madras has been ranked as the top engineering institute in India for four years in a row by the National Institutional Ranking Framework of the MHRD

It currently offers undergraduate, postgraduate and research degrees across 16 disciplines in Engineering, Sciences, Humanities and Management. About 596 faculty belonging to science and engineering departments and centres of the Institute are engaged in teaching, research and industrial consultancy.

IIT Madras

Electronics Letters

1979 Ultrasonics Symposium

Spectrum of Acoustic Waves Emanating from an IDT on a Piezoelectric Half Space

1974 Ultrasonics Symposium

Comparison of Exact Theoretical Predictions and Experimental Results for Interdigital Transducers

Analysis of planar bulk acoustic wave devices

Journal	Electronics Letters
ISSN	00135194
Open Access	No