Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2007-10-25
2010-11-23
Dinh, Tuan T (Department: 2841)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S762000, C361S763000, C361S764000, C174S260000
Reexamination Certificate
active
07839650
ABSTRACT:
The present invention provides a circuit board structure having an embedded capacitor and a method for fabricating the same. The circuit board structure includes a core layer board with at least one surface having non-penetrating first and second grooves, a circuit layer and a first electrode plate formed in the first and second grooves of the core layer board respectively and being flush with the core layer board; a high dielectric material layer formed on the core layer board, the circuit layer and the first electrode plate; a second electrode plate formed on the high dielectric material layer and corresponding to the first electrode plate, thereby forming a capacitor by the first and second electrode plates and the high dielectric material layer. The high dielectric material layer is formed on a plane surface so as to eliminate poor filling and improve reliability.
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Aychillhum Andargie M
Dinh Tuan T
Morrison & Foerster / LLP
Unimicron Technology Corp.
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