Diamond-Zn0 surface acoustic wave device

Details Diamond-Zn0 surface acoustic wave device Diamond-Zn0 surface acoustic wave device

1997-01-31

1998-07-21

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310313R, H03H 9145

Patent

active

057838968

ABSTRACT:
A first surface acoustic wave device for 2nd mode surface acoustic wave of a wavelength .lambda. (.mu.m) according to the present invention is a SAW device of "type A" device shown in FIG. 6A, wherein a parameter kh3=2.pi.(t.sub.A /.lambda.) is: 0.033.ltoreq.kh3.ltoreq.0.099, and wherein a parameter kh1=2.pi.(t.sub.z /.lambda.) and a parameter kh2=2.pi.(t.sub.s /.lambda.) are given within a region ABCDEFGHIJKLA in a two-dimensional Cartesin coordinate graph of FIG. 1.

REFERENCES:
patent: 5160869 (1992-11-01), Nakahata et al.
patent: 5221870 (1993-06-01), Nakahata et al.
patent: 5294858 (1994-03-01), Nakahata et al.
patent: 5320864 (1994-06-01), Nakahata et al.
patent: 5426340 (1995-06-01), Higaki et al.
patent: 5440189 (1995-08-01), Nakahata et al.

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