Electronics Forum | Fri Oct 24 06:55:48 EDT 2008 | clampron
Good Morning WS, If you experieced the solder balls after reflow of a bare board through the oven, then the source of the solder is either the oven or the board. I have had boards with untented via's that were HASL'd that had entrapped solder and fl
Electronics Forum | Thu Oct 23 23:38:48 EDT 2008 | pathakvj
We have 8 layer HASL PCB. We saw molten solder blobs / balls on op side of assembled PCB. (to check, if this was a bare board problem), We passed bare board as received thru, SMT reflow oven and saw solder balls on top side of board. What could be th
SMT Express, Issue No. 5 - from SMTnet.com Volume 1, Issue No. 5 Wednesday, October 13, 1999 Featured Article Return to Front Page HASL WHAT A HASSLE, or HASL'd AGAINby Earl Moon INTRODUCTION This article updates one I wrote for Printed
Reliability Enhancement of Wafer Level Packages with Nano-Column-Like Hollow Solder Ball Structures Reliability Enhancement of Wafer Level Packages with Nano-Column-Like Hollow Solder Ball Structures by: Ronak Varia, Xuejun Fan; Lamar University
Imagineering, Inc. | https://www.pcbnet.com/blog/pcb-industry-trends-that-matter-in-2022/
. Higher temperatures are required during the solder reflow process to create today’s printed circuit boards. Rapid moisture expansion and mismatched materials contribute greatly to this, particularly in ball grid array and chip-scale packages
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