Thin film delay lines having a serpentine delay path
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United States of America Patent
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-
Jul 17, 1990
Grant Date -
N/A
app pub date -
Apr 11, 1988
filing date -
Jul 20, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Multi-layered, thick/thin film, nanosecond delay lines, the inductive/capacitive characteristics of which are tailored to provide line impedances yielding unit delays of 1 to 10 nanoseconds. The delay lines are constructed on a supporting ceramic, resin/fiber or plastic substrate. In alternative embodiments, a serpentine conductive layer of tailored line widths and conductor spacings is sandwiched relative to overlying dielectric layers of 25 to 200 microns thickness and associated ground plane layers. In another embodiment, multiple conductor layers are sandwiched relative to intervening dielectric and ground plane layers. Lateral contact pads/pins, vertical vias and jumper conductors permit circuit connection and interconnection of the layers.
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