Coplanar transmission structure having spurious mode suppression

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United States of America Patent

PATENT NO 5225796
SERIAL NO

07825904

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Abstract

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An improved coplanar transmission structure has a coplanar transmission line formed on one surface of a substrate and a lossy resistive material formed on the opposite surface of the substrate for suppressing spurious electromagnetic modes propagating through the substrate. The lossy resistive material may be nichrome or the like and is patterned on the substrate using thin or thick film processing.

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Patent Owner(s)

Patent OwnerAddress
TEKTRONIX INC14150 SW KARL BRAUN DRIVE P O BOX 500 M/S 50-LAW BEAVERTON OR 97077

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ruttan, Thomas G Lake Oswego, OR 11 175
Williams, Frank R Banks, OR 7 461

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