Wave transmission lines and networks – Coupling networks – With impedance matching
Patent
1974-03-15
1976-08-10
Smith, Alfred E.
Wave transmission lines and networks
Coupling networks
With impedance matching
310 82, 310 98, 333 72, H03H 926, H03H 930, H03H 932, H01L 4110
Patent
active
039744647
ABSTRACT:
An improved acoustic waveguide structure which comprises a ridge waveguide disposed in a horizontal direction extending outwardly from a substrate. The horizontal orientation of the waveguide which is in the form of a ledge results in particle motion of the ledge predominantly normal to the substrate plane with the largest motion at the free edge of the ledge and almost no motion in the substrate, thereby permitting a plurality of such structures to be densely packed on a common substrate.
REFERENCES:
lagasse et al., "Acoustic Surface Waveguides-Analysis and Assessment," in IEEE Trans. on Microwave Theory and Techniques, vol. MTT21, No. 4, Apr. 1973, pp. 225-235.
Mason et al., "Electronics Letters," 15, July 1971, vol. 7, No. 14, pp. 395-397.
Hartmann Clinton S.
Wagers Robert S.
Comfort James T.
Hiller William E.
Levine Harold
Nussbaum Marvin
Smith Alfred E.
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