Imagineering, Inc. | https://www.pcbnet.com/blog/everything-you-need-to-know-about-pcb-finish/
. Most finishes will allow for this, with the main exception being organic solderability preservative (OSP). While this type of finish is eco-friendly, low-cost, and simple to manufacture and rework, it has virtually no shelf-life and can be easily damaged
| https://www.eptac.com/faqs/ask-helena-leo/ask/post-lead-trimming-reflow-requirements
. Exposed basis metal shall not prevent the formation of an acceptable solder connection Exposed Organic Solderability Preservatives (OSP) shall not prevent the formation of an acceptable solder connection
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
Imagineering, Inc. | https://www.pcbnet.com/blog/pcb-prototyping-what-you-should-be-looking-for/
. Copper weights range from 1 to 4g. Finish plating can be leaded solder, or any following RoHS-compliant finishes: lead-free solder, immersion gold, immersion silver, white tin, or OSP
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
Imagineering, Inc. | https://www.pcbnet.com/blog/understanding-the-pcb-fabrication-process-from-design-to-delivery/
. Hard gold is durable and RoHS compliant but also expensive. Organic solderability preservative (OSP) is RoHS-compliant and cost-effective but has a short shelf life
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) | 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
Heller 公司 | http://hellerindustries.com.cn/Vacuum-Void-Reduction-Reflow.pdf
. The test boards were fabricated with Panasonic R-1755V high temperature PCB laminate and Entek HT Plus organic solderability preservative (OSP) final finish
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/Vacuum-Void-Reduction-Reflow.pdf
. The test boards were fabricated with Panasonic R-1755V high temperature PCB laminate and Entek HT Plus organic solderability preservative (OSP) final finish
