Reworkability of Underfill Materials NEPP Deliverable Jong Kadesch Harry Shaw
Outline
Objective ? Procurement – underfill material, and two rigid boards (one with pins, and one without pins) ? Assembly Process – Mate two rigid boards using conductive epoxy – Column Grid Array (CGA) interconnection – Fill with underfill around CGA interface ? Test Plan – temperature cycles – Destructive Physical Analysis (DPA) ? Removal Method Experiment
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