Low loss ridged microstrip line for monolithic microwave integrated circuit (MMIC) applications
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United States of America Patent
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Oct 12, 1999
Issued Date -
N/A
app pub date -
Nov 5, 1997
filing date -
Aug 5, 1996
priority date (Note) -
Expired
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Abstract
A microstrip line device is disclosed of the type which typically includes a strip conductor disposed on the top of a substrate. The device further includes a layer of dielectric material disposed between the strip conductor and the substrate for reducing the dissipation loss in these devices. In order to accomplish this, the dielectric layer has a dielectric constant which is less than the dielectric constant of the substrate.
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