Circuitry with integrated passive components and method for producing
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United States of America Patent
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Apr 1, 2003
Grant Date -
N/A
app pub date -
Jul 15, 1999
filing date -
Jul 15, 1999
priority date (Note) -
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Abstract
Passive electrical components such as capacitors, resistors, inductors, transformers, filters and resonators are integrated in to electrical circuits utilizing a process which maximizes the utilization of the planar surfaces of the substrates for high density placement of active components such as logic or memory integrated circuits. The passive components are integrated into a conventional circuit board utilizing a photoimageable dielectric material. The dielectric is photoimaged and etched to provide one or more recesses or openings for the passive devices, and photovias interconnecting the inputs and outputs of the integrated circuit board. The electronic structure comprising at least one of the passive devices integrated into a photoimaged dielectric is described as well as the method of manufacturing the same.
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