Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1993-11-01
1994-10-18
Ham, Seungsook
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333235, H01P 1203
Patent
active
053572297
ABSTRACT:
A microstrip filter having a plurality of parallel resonant conductors mounted on a dielectric substrate is tuned by applying a portion of a hot-melt type glue to the filter surface. The glue is melted and then deposited on the conductors and spread across and along the conductors until the filter has a desired frequency response. The glue is then cooled until it becomes solid.
REFERENCES:
patent: 3864824 (1975-02-01), Watson et al.
patent: 4243960 (1981-01-01), White et al.
patent: 4638271 (1987-01-01), Jecko et al.
patent: 4706050 (1987-11-01), Andrews
Anderson Edward B.
Ham Seungsook
Pacific Monolithics, Inc.
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