Printed circuit board having integrated decoupling capacitive core with discrete elements
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United States of America Patent
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Jun 27, 1995
Grant Date -
N/A
app pub date -
Jan 28, 1993
filing date -
Jan 28, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A printed circuit board laminate is disclosed having a high capacitance power distribution core. The power distribution core comprises a pair of conductive plates electrically connected to an array of high capacitance core tiles, separated by a compliant dielectric filler. The resulting capacitance of the power distribution core is sufficient to eliminate the need for decoupling capacitors on a typical printed circuit board. Separate power supply areas of variable decoupling capacitance can be formed for mounted integrated circuits with different power supply requirements. A method for manufacturing such board laminates is also disclosed that is compatible with standard printed circuit board assembly technology.
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