This paper presents the use of micro-particle imaging velocimetry (micro-PIV) to analyse fluid flow and hence ion replenishment in PCB micro-via during the electroplating process. Megasonic streaming is used to remove bubbles from blind micro-via and promote ion transportation within high aspect ratio PCB micro-via to enhance electrodeposition.
Published in:
Design, Test, Integration and Packaging of MEMS/MOEMS (DTIP), 2012 Symposium on
Date of Conference: 25-27 April 2012