Method of making a multi-layer controllable impedance transition device for microwaves/millimeter waves
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United States of America Patent
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Nov 3, 1998
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N/A
app pub date -
Feb 12, 1997
filing date -
May 29, 1996
priority date (Note) -
Expired
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Abstract
A composite structure including stacked layers of dielectric material hav a center conductor in the form of a cylindrical via which is surrounded by an annular dielectric region and an outer ground plane comprised of contiguous pairs of generally circular ground plane segments where each pair of ground plane segments are separated by a pair of spaces or gaps therebetween and wherein the gaps of adjoining layers are mutually oriented by a predetermined angle of rotation, preferably 90.degree..
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