Low cost microelectronic circuit package

Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Wire contact – lead – or bond

Reexamination Certificate

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C438S106000

Reexamination Certificate

active

09946749

ABSTRACT:
A low cost microelectronic circuit package includes a single build up metallization layer above a microelectronic die. At least one die is fixed within a package core using, for example, an encapsulation material. A single metallization layer is then built up over the die/core assembly. The metallization layer includes a number of landing pads having a pitch that allows the microelectronic device to be directly mounted to an external circuit board. In one embodiment, the metallization layer includes a number of signal landing pads within a peripheral region of the layer and at least one power landing pad and one ground landing pad toward a central region of the layer.

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