Low diffraction loss-low spurious response LiTaO.sub.3 substrate

Details Low diffraction loss-low spurious response LiTaO.sub.3 substrate Low diffraction loss-low spurious response LiTaO.sub.3 substrate

1975-11-18

1977-01-04

Budd, Mark O.

Electrical generator or motor structure

Educational or construction units or kits

333 30R, H01L 4108

Patent

active

040017672

ABSTRACT:
The particular anisotropy of a specific propagation surface orientation on a single crystal lithium tantalate substrate member is utilized to achieve low diffraction, low spurious response surface acoustic wave (SAW) propagation. The preferred embodiment utilizes a propagation surface that substantially coincides with a plane defined by the Euler angles Lambda = 0.degree., Gamma = 166.65 (+0, -0.3).degree., and Theta = 90.degree..

REFERENCES:
patent: 3461408 (1969-08-01), Onoe et al.
patent: 3525885 (1970-08-01), Ballman et al.
patent: 3601639 (1971-08-01), Hannon
patent: 3644761 (1972-02-01), Dol et al.

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