Technical Library | 2020-05-08 18:22:31.0
A customer contacted the Helpline to perform analysis on a lead-free assembly which exhibited intermittent functionality. The lead-free assembly exhibiting intermittent functionality when pressure was applied to the ball grid array (BGA) packages. Industrial adaptation of a Restriction of Hazardous Substances (RoHS) compliant solder standard has created a new host of failure modes observed in lead-free assemblies. Pad cratering occurs when fractures propagate along the epoxy resin layer on the underside of the BGA connecting pads. While originating from process, design, and end use conditions, it is the combination of a rigid lead-free solder with inflexible printed circuit board (PCB) laminates that has advanced the prevalence of this condition. Pad cratering is simply the result of mechanical stress exceeding material limitations.
ACI Technologies Inc. (ACI) is a scientific research corporation dedicated to the advancement of electronics manufacturing processes and materials for The Department of Defense and industry. This video provides an overview of our commercial service
Industry News | 2011-03-31 11:54:23.0
Over the past few years, pad cratering has become a vexing problem in lead-free assemblies, largely attributed to problems with the resin used to make a printed board. To help industry eliminate the defect and, at the same time, cut costs, IPC — Association Connecting Electronics Industries® has released IPC-9708, Test Methods for Characterization of PCB Pad Cratering.
Industry News | 2012-03-14 12:30:54.0
The SMTA is pleased to announce several new online presentations coming up this Spring. Webtorials are two-part (90 minutes each part) online presentations that provide more depth on a subject and are comparable to half-day tutorials.
Industry News | 2016-11-30 14:47:45.0
ACI Technologies invites you to download a free copy of its very popular e-booklet, “Failure Analysis Techniques for Electronics” from its Website store, which is located at http://store.aciusa.org/Failure-Analysis-Techniques-for-Electronics-Digital-Download-P181.aspx
Industry News | 2012-02-23 14:43:13.0
IPC has announced the winners of the Best U.S. and International Papers of IPC APEX EXPO® 2012. Selected through a ballot process by the event’s Technical Program Committee, the papers will be presented at IPC APEX EXPO, February 28–March 1, at the San Diego Convention Center.
Events Calendar | Thu Oct 03 00:00:00 EDT 2019 - Thu Oct 03 00:00:00 EDT 2019 | ,
IPC Tech Ed Webinar Series: Ball Grid Array (BGA) and Bottom Termination Component (BTC) Design and Assembly Challenges: Reflow Profiling to Achieve Low Defect Rates and Successful Assembly! – Part 2
Industry News | 2011-04-20 21:19:17.0
IPC – Association Connecting Electronics Industries® has announced the winners of this year's Best U.S. and International Papers at IPC APEX EXPO™, held April 12–14, 2011, in Las Vegas. The event's Technical Program Committee selected the winners through a ballot process.
Industry News | 2011-06-09 13:06:41.0
Focused on critical, practical and social issues facing the electronics manufacturing industry, these sessions are based on award-winning technical papers from IPC APEX EXPO 2011. The one-hour webinars offer organizations cost-effective opportunities to bring important new information directly to their conference rooms.
Industry News | 2011-09-06 15:20:36.0
SMTA China announced the Best Paper/Presentation and Best Exhibit Awards at its annual awards presentation held in conjunction with SMTA China and Hong Kong Chapter Breakfast Reception, which took place August 31, 2011 at the Ritz-Carlton Hotel in Shenzhen.
