Invention Application
US20150270241A1 FLIP CHIP INTERCONNECTION WITH REDUCED CURRENT DENSITY 审中-公开
具有降低电流密度的FLIP芯片互连

FLIP CHIP INTERCONNECTION WITH REDUCED CURRENT DENSITY
Abstract:
A method and system for electrically connect a semiconductor device with a flip-chip form factor to a printed circuit board. An exemplary embodiment of the method comprises: aligning solder contacts on the device with a first copper contact and a second copper contact of the external circuitry, and, applying a supply current only directly to a buried layer of the first copper and not directly to the layer which is nearest the device, such that no current is sourced to the device through the layer nearest the device.
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