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
| https://www.eptac.com/wp-content/uploads/2021/11/webinar_eptac_12_17_08.pdf
40731 | https://www.smta.org/smtai/SMTAI-2019-Technical-Program.pdf?v=200609010628
Surface Mount Technology Association (SMTA)
40731 | https://www.smta.org/smtai/SMTAI-2019-Technical-Program.pdf?v=200622100619
Surface Mount Technology Association (SMTA)
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
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. | 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
Surface Mount Technology Association (SMTA) | https://www.smta.org/education/presentations/presentations.cfm
. Three surface finishes including OSP, ImAg, and ENIG are considered. The test vehicle consists of 15mm and 6mm Ball Grid Array (BGA) components. The assembled test boards were isothermally aged at 125oC for 12 months, which are then thermally cycled between -40oC to
Surface Mount Technology Association (SMTA) | https://www.smta.org/webinars/
. Three surface finishes including OSP, ImAg, and ENIG are considered. The test vehicle consists of 15mm and 6mm Ball Grid Array (BGA) components. The assembled test boards were isothermally aged at 125oC for 12 months, which are then thermally cycled between -40oC to
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/last-will-of-bga-void.pdf
] Investigation Specifics: 84 I/O Plastic CSP, daisy chained, 0.3mm (12 mil) diameter solderballs Sn63 solder paste Test vehicle: Characteristics not available, Immersion Silver (IAg) and ENIG finishes Thermal cycling: 0°C-100
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