Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Reexamination Certificate
2006-01-17
2006-01-17
Dinkins, Anthony (Department: 2831)
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
C361S329000, C257S419000, C257S704000, C338S221000
Reexamination Certificate
active
06987661
ABSTRACT:
An integrated circuit substrate having embdedded passive components provides a reduced cost and compact package for a die and one or more passive components. An insulating layer of the substrate is embossed or laser-ablated to generate apertures for insertion of a paste forming the body of the passive component. A resistive paste is used to form resistors and a dielectric paste is used for forming capacitors. A capacitor plate may be deposited at a bottom of the aperture by using a doped substrate material and activating only the bottom wall of the aperture, enabling plating of the bottom wall without depositing conductive material on the side walls of the aperture. Vias may be formed to the bottom plate by using a disjoint structure and conductive paste technology. Connection to the passive components may be made by conductive paste-filled channels forming conductive patterns on the substrate.
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Huemoeller Ronald Patrick
Rusli Sukitano
Amkor Technology Inc.
Dinkins Anthony
Weiss, Moy & Harris P.C.
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