13 enig solderability results

:  Impact functionality  Impact reliability 5 Typical Metal Combinations to be Soldered  Cu to Cu  Cu to Sn/Pb  Pd to Sn/Pb  Au to Sn/Pb  Ag to Ag  Sn to Ni  SS to SS  SAC to Sn/Pb  ImAg to SAC  ImSn to Sn/Pb  ENIG to SAC & SnPb  Etc. 6 Flux Selection Process

| https://www.eptac.com/wp-content/uploads/2021/11/webinar_eptac_10_17_07.pdf

Beyond the Surface: A Peek into How PCBs Are Made

Imagineering, Inc. | https://www.pcbnet.com/blog/how-pcbs-are-made/

. Common types of surface finishes are: HASL (Hot Air Solder Leveling): A cost-effective finish that enhances solderability and protects copper. ENIG

Imagineering, Inc.

SMT Processes Re-Certification

Surface Mount Technology Association (SMTA) | https://www.smta.org/certification/recertification.cfm

. James Hall are divided into 11 modules each with slides and a quiz on the following updated topics: PCB Basics and Surface Finishes like HASL and ENIG Surface Finishes like OSP, Immersion Tin, Immersion Silver Paste, stencils, printing and how they are interrelated Component placement with a focus

Surface Mount Technology Association (SMTA)

18 EWS - develop implement maintain 001 610.PPT [Read-Only]

| https://www.eptac.com/wp-content/uploads/2021/11/webinar_eptac_05_20_09.pdf

both guidelines and standards in the areas of: Joining techniques and soldering requirements Solderability Testing/Soldering Materials Opto-Electronic Assembly What is the 5-20 A&J Committee

Journal of SMT Articles

Surface Mount Technology Association (SMTA) | https://www.smta.org/knowledge/journal.cfm

., Nathan Blattau, Joelle Arnold, Thomas Johnston, Stephani Gulbrandsen, Julie Silk, Alex Chiu, and Yew-Hoong Chan Abstract 26-4 Is a High Phosphorus Content in the Nickel Layer A Root Cause for Black Pad on ENIG Finishes? Dipl.-Ing. Mustafa Özkök, Joe

Surface Mount Technology Association (SMTA)

Webinars and Webtorials

Surface Mount Technology Association (SMTA) | https://www.smta.org/education/presentations/presentations.cfm

– Equipment, Techniques, & Process Issues Webinar Jul 6, 2020 Webinar: Solderability Benchmarking, Failures & Production Testing Methods Jul 8, 2020 Webinar: Europe Chapter

Surface Mount Technology Association (SMTA)

Webinars

Surface Mount Technology Association (SMTA) | https://www.smta.org/webinars/

: Modern Conformal Coating – Equipment, Techniques, & Process Issues Webinar Jul 6, 2020 Solderability Benchmarking, Failures & Production Testing Methods Jul 8, 2020 Europe Chapter

Surface Mount Technology Association (SMTA)

Understanding the PCB Fabrication Process: From Design to Delivery

Imagineering, Inc. | https://www.pcbnet.com/blog/understanding-the-pcb-fabrication-process-from-design-to-delivery/

. For example, electroless nickel immersion gold (ENIG) is a common surface finish due to its long shelf life and RoHS compliance . However, it’s more expensive than other options

Imagineering, Inc.

Surface Mount International

Surface Mount Technology Association (SMTA) | https://www.smta.org/icsr/speaker_forms/Paper-Format-Requirements.doc

. Immersion silver surface finish eliminated due to corrosion risk Alternative finish must meet ICT and solderability requirements Investigate several alternatives (OSP, ImSn, ENIG, and LF HASL) PCB laminate may change from what was used on DT and NB products

Surface Mount Technology Association (SMTA)

Solder Dictionary of Terms | Nordson EFD

ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/resource-center/solder-glossary-of-terms

.   Drawbridging See Tombstoning .     E ENIG Surface finishing process of electroless nickel followed by immersion gold. During soldering the gold is dissolved into the solder joint

ASYMTEK Products | Nordson Electronics Solutions