A Low Cost Manufacturing Solution - Low Temperature Super-Fast Cure and Flow Reworkable Underfill
Published: |
January 12, 2016 |
Author: |
Dr. Mary Liu and Dr. Wusheng Yin |
Abstract: |
In order to meet the increasing demand of device miniaturization, high speed, more memory, more function, low cost, and more flexibility in device design and manufacturing chain, underfilling has increasingly become an essential process for the good reliability of electronic devices. Filled capillary underfill has been selected for used in package-level where there is large thermal stress caused by CTE mismatch issue, but the underfill is usually not reworkable. Unfilled capillary underfill has been used for board-level application such as BGA/CSP, POP, WL-CSP where there is need for mechanical shock resistance, the underfill is usually reworkable.... |
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