Electronics Forum | Mon May 14 17:12:20 EDT 2001 | davef
Continuing along the path that Brian took ... IPC-7525 gives design guideline for stepped stencils. It goes something like: * Stepped area SB GT 25 thou from pads located on the greatest thickness of the stencil * Pads in stepped area SB GT 35 tho
Electronics Forum | Wed May 03 22:14:29 EDT 2006 | davef
We think well done carbon ink and well done ENIG are equally reliable [maybe 1M operations]. If the gold is pourous [not all that an uncommon], ENIG is far less reliable than carbon ink.
Industry News | 2018-10-18 10:16:53.0
Solder Tinned Pads vs Gold Plated Pads - The Importance of Selecting the Proper Surface Finish
Industry News | 2008-02-04 11:15:15.0
The European Institute of Printed Circuits (EIPC) extends an invitation to companies and individuals active in the Packaging and Interconnection Industry to submit abstracts for presentation at their Summer Conference which is to be held onMay 29 & 30 2008 in Dresden, Germany.
Evaluation of Laminates in Pb-free HASL Process and Pb-free Assembly Environment SMTnet Express September 20, 2012, Subscribers: 25503, Members: Companies: 8989, Users: 33687 Evaluation of Laminates in Pb-free HASL Process and Pb-free Assembly
40731 | https://www.smta.org/smtai/SMTAI-2019-Technical-Program.pdf?v=200609010628
Surface Mount Technology Association (SMTA)
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
