Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Reexamination Certificate
2006-11-14
2006-11-14
Ha, Nguyen T. (Department: 2831)
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
C361S306100, C361S321100, C361S767000, C361S794000, C174S050510, C174S255000, C174S260000
Reexamination Certificate
active
07136274
ABSTRACT:
An embedded multilayer printed circuit includes a first ground plane (105, 1205, 1405) of a multilayer printed circuit board and an embedded layer. The embedded layer includes a co-planar capacitor (110, 1210, 1410), a distributed inductor (125, 1215, 1415), and a capacitive plate (135, 1220, 1420) circuit. The capacitive plate is a plate of a vertical capacitor (270, 1305, 1505). The embedded layer further includes a node (111, 1225, 1425) of the embedded multilayer printed circuit that is formed by a connection of a first terminal of the co-planar capacitor and a first terminal of the first distributed inductor, and in some embodiments, the first capacitive plate is also connected to the node. A second terminal of one of the co-planar capacitor and the distributed inductor is connected to the first ground plane.
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Sutono, A.; Laskar, J.; Smith, W.R. “Design of Miniature Mulilayer On-Package Integrated Image-Reject Filters” IEEE Transactions on Microwave Theory and Techniques val. 51, No. 1 Jan. 2003.
Hwang Lih-Tyng
Lempkowski Robert B.
Li Li
Ha Nguyen T.
Motorola Inc.
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