Active solid-state devices (e.g. – transistors – solid-state diode – Regenerative type switching device – Having only two terminals and no control electrode – e.g.,...
Reexamination Certificate
2005-02-01
2005-02-01
Ngo, Ngan V. (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Regenerative type switching device
Having only two terminals and no control electrode , e.g.,...
C257S177000, C257S181000, C333S247000
Reexamination Certificate
active
06849879
ABSTRACT:
A method and apparatus are disclosed for reducing crosstalk and dispersion in a crosspoint monolithic microwave integrated circuit (MMIC) switch array operating in a range between DC and microwave frequencies. In accordance with an exemplary embodiment, the crosspoint MMIC switch array includes a dielectric stack, a substrate, a first ground plane, a plurality of thyristor switches, a plurality of signal transmission lines arranged in rows; and a plurality of signal transmission lines arranged in columns. The plurality of signal transmission lines arranged in columns intersect the plurality of signal transmission lines arranged in rows at a plurality of intersection points. Each of the plurality of thyristor switches is associated with one of the plurality of intersection points. Each of the plurality of thyristor switches is in electrical contact with the signal transmission lines that intersect at the associated intersection point.
REFERENCES:
patent: 5142347 (1992-08-01), Voss
patent: 5719413 (1998-02-01), Bernier
patent: 5831337 (1998-11-01), Sato
patent: 6028348 (2000-02-01), Hill
T. Edwards, “Foundations of Microstrip Circuit Design” Wiley & Sons, 1995, pp. 1-43.
Copy of International Search Report Issued in Application No. PCT/US02/32665 dated May 3, 2003.
Boles Timothy
Curcio Daniel
Goodrich Joel
Hoag David
Kinayman Noyan
Katten Muchin Zavis & Rosenman
Ngo Ngan V.
Teraburst Networks Inc.
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