Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2022/04/last-will-of-bga-void-1.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
Imagineering, Inc. | https://www.pcbnet.com/blog/the-role-of-pcb-assembly-and-fabrication-in-the-aerospace-industry/
with immersion gold coating (ENIG) and immersion silver. Hot air solder leveling (HASL) is a type of PCB finish that involves dipping the PCB into molten solder, which covers exposed copper surfaces. The PCB is then passed between hot air knives to
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& Leo Have a technical question? Dealing with a process or standards issue and not sure where to turn? *Helena and Leo, our technical experts, are here to help
Surface Mount Technology Association (SMTA) | https://www.smta.org/icsr/speaker_forms/Paper-Format-Requirements.doc
] that the immersion silver surface finish selected for lead-free PCBs had the susceptibility to creep corrode when used in high sulfur and high humidity environments
| https://www.eptac.com/wp-content/uploads/2015/03/ecss_q_st_70_18c-space-product-assurance-rf-coax-cables.pdf
‐18C 15 November 2008 Second issue The following is a summary of changes between ECSS‐Q‐70‐18A and the present issue: • Redrafting ECSS‐Q‐70‐18A according to ECSS drafting rules and new template. • Reorganization of the content to separate descriptive text and requirements, and creation of DRD. 3 ECSS‐Q‐ST‐70‐18C 15 November 2008 Table of contents Change log
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