Wave transmission lines and networks – Resonators – Cavity resonator
Reexamination Certificate
2005-11-14
2009-08-04
Lee, Benny (Department: 2817)
Wave transmission lines and networks
Resonators
Cavity resonator
C333S231000, C333S235000, C331S096000
Reexamination Certificate
active
07570137
ABSTRACT:
A ferroelectric loaded waveguide resonator capable of operation at microwave, millimeter-wave and higher frequencies and suitable for integration into a three-dimensional monolithic microwave integrated circuit (3D MMIC) is disclosed. The resonator includes a resonator cavity, which, in one form of the invention, is formed by two parallel metal layers and a metallized wall structure extending between the metal layers. The cavity is filled with dielectric material and includes a layer of ferroelectric material, which is used to control the resonant frequency by varying a voltage bias applied to the ferroelectric layer. The cavity includes a slot in one of the metal layers and a coupling strip formed adjacent to the slot to provide electromagnetic coupling to other components, such as a voltage controlled oscillator (VCO). The invention can also be applied to other multi-metal semiconductor or wafer level packaging technologies.
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Fong Flavia S.
Kintis Mark
Lan Xing
Wong Thomas T. Y.
Lee Benny
Northrop Grumman Corporation
Tarolli, Sundheim Covell & Tummino LLP
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