New Equipment | Assembly Services
One-stop PCB and Assembly Manufacturers Specialized in one-stop PCB and Assembly manufacturing, Heros Electronics is committed to providing quick-turn high quality custom PCB and smt assembly to our customers all over the world with affordable pri
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New Equipment | Assembly Services
One-stop PCB and Assembly Manufacturers Specialized in one-stop PCB and Assembly manufacturing, Heros Electronics is committed to providing quick-turn high quality custom PCB and smt assembly to our customers all over the world with affordable pri
Electronics Forum | Sat Mar 15 09:30:29 EDT 2008 | davef
Unlike other solderability protection, immersion coatings [eg, ImAg, ImSn, OSP, etc] can be reworked by the board fabricator prior to assembly operations. Reasons for selecting immersion are: * Until a supplier can demonstrate that they can turn bla
Electronics Forum | Tue Jul 29 09:28:24 EDT 2003 | russ
Why would you get black pad from rework? I could be wrong but once the pad has accepted solder from the first reflow process wouldn't that eliminate the possibility of a latent finish defect? I am curious. We do perform rework on ENIG all of the tim
Industry News | 2011-12-21 22:41:39.0
Offering convenient and cost-effective staff development, IPC announces its Winter Webinar Series for January, February and March 2012. The one-hour webinars which focus on critical issues facing the industry, offer companies an opportunity to bring IPC technical information to a large number of employees at one time.
Industry News | 2020-02-18 15:10:01.0
IPC presented Committee Leadership, Special Recognition and Distinguished Committee Service Awards on February 3 and 5 at IPC APEX EXPO 2020 at the San Diego Convention Center. The awards were presented to individuals who made significant contributions to IPC and the industry by lending their time and expertise through IPC committee service.
Technical Library | 2023-01-10 20:15:42.0
Over the past years there has been consistent growth in the use of electroless nickel / immersion gold (ENIG) as a final finish. The finish is now frequently being used for PBGA, CSP, QFP and COB and more recently gathered considerable interest as a low cost under-bump metallization for flip chip bumping application. One of the largest users for this finish has been the telecommunication industry, were millions of square meters of PCBs with ENIG have been successfully used. The nickel layer offers advantages such as multiple soldering cycles and hand reworks without copper dissolution being a factor. The nickel also acts as a reinforcement to improve through-hole and blind micro via thermal integrity. In addition the nickel layer offers advantages such as co-planarity, Al-wire bondability and the use as contact surface for keypads or contact switching. Especially those pads, which are not covered by solder need a protective coating in corrosive environment – such as high humidity or pollutant gas.
Surface Mount Technology Association (SMTA) | https://www.smta.org/icsr/speaker_forms/Paper-Format-Requirements.doc
. For instance, what is the impact of reworking a SAC305/405 assembled connector using an alternate Pb-free alloy? Is changing the Pb-free alloy used within the primary attach process to match the PTH rework alloy the right solution
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