A novel interdigital transducer is described which employs intratransducer reflector banks to achieve unidirectionality, and whose fabrication requires a single photolithographic process.
Inspec keywords: ultrasonic transducers; surface acoustic wave devices
Other keywords:
Subjects: Acoustic wave devices
References
-
-
1)
- Marshall, F.G.: `SAW resonators constructed of Al on ST-quartz for use in high stability feedback oscillators', Proceedings 1975 IEEE Ultrasonics Symposium, p. 290–292.
-
2)
- Sandy, F., Parker, T.E.: `SAW ring filter', Proceedings 30th Annual Frequency Control Symposium, 1976, p. 334–339.
-
3)
- Wagers, R.S.: `Phase error compensation in finger withdrawal transducers', Proceedings 1974 IEEE Ultrasonics Symposium, p. 418–421.
-
4)
- Rosenfeld, R.C., Hartmann, C.S., Brown, R.B.: `Low-loss unidirectional SAW filters', Proceedings 28th Annual Frequency Control Symposium, p. 299–303.
-
5)
- C.S. Hartmann , P.B. Wright , R.J. Kansy , E.M. Garber . , An analysis of SAW IDT's with internal reflections and the application of the design to single-phase unidirectional transducers.
-
6)
- H. Matthews . (1977) , Surface wave filters.
-
7)
- Lewis, M.F.: `SAW filters employing interdigitated interdigital transducers', Proceedings 1982 IEEE Ultrasonics Symposium, p. 12–17.
-
8)
- Y. Kinoshita , M. Hikita , T. Tabuchi , H. Kojima . Broadband resonant filter using surface-shear-wave mode and twin-turn reflector. Electron. Lett. , 130 - 131
-
9)
- F.G. Marshall , E.G.S. Paige , A.S. Young . New unidirectional transducer and broadband reflector of SAW. Electron. Lett. , 312 - 314
-
10)
- Paige, E.G.S., Stove, A.G., Woods, R.C.: `SAW reflection from aluminium strips on LiNbO', Proceedings 1981 IEEE Ultrasonics Symposium, p. 144–147.
-
1)
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19830736
Related content
content/journals/10.1049/el_19830736
pub_keyword,iet_inspecKeyword,pub_concept
6
6