Wave transmission lines and networks – Coupling networks – With impedance matching
Patent
1977-09-06
1979-02-06
Smith, Alfred E.
Wave transmission lines and networks
Coupling networks
With impedance matching
333 31R, 333 97R, H03H 930, H01P 900, H01L 4310
Patent
active
041386515
ABSTRACT:
A monolithic multiple magnetic layer composite comprising a substrate of a magnetic-wave-inactive material and a layer of magnetic-wave-active material deposited on each of the two opposing sides of the substrate. The composition and, consequently, the internal magnetization of each layer of magnetic-wave-active material is different from that of the other layer. The composite can be used in a magnetostatic surface wave delay line having a ground plane and means for providing a uniform bias magnetic field for the composite. Along with the geometrical parameters of the composite and the delay line, the internal magnetizations of the two layers of magnetic-wave-active material are preselected to provide a time-delay versus frequency characteristic for the delay line which is either approximately linearly dispersive or nondispersive.
REFERENCES:
patent: 3864647 (1975-02-01), Bongianni
Friedman Gilbert H.
Hamann H. Frederick
Nussbaum Marvin
Rockwell International Corporation
Smith Alfred E.
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