HACT electrode configuration

Details HACT electrode configuration HACT electrode configuration

1990-10-02

1992-10-27

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Delay lines including elastic surface wave propagation means

333165, 310313R, 357 24, H03H 944, H01L 29816

Patent

active

051592991

ABSTRACT:
A heterostructure acoustic charge transport (HACT) device having a number of signal tap electrodes has revealed unexpected insensitivity to electrode spacing and unexpected sensitivity to electrode width. Spacing of one SAW wavelength between consecutive electrodes and an electrode width of .lambda./20 are preferred.

REFERENCES:
patent: 4611140 (1986-09-01), Whitlock et al.
patent: 4893161 (1990-01-01), Tanski et al.
patent: 4994772 (1991-02-01), Ballato
Merritt et al, "A 3.35 microsecond HACT Transversal fitter", 1989 IEEE Ultrasonics Sysmposium, Oct. 3-6, 1989.

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