Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2022/04/leadfree.pdf
Procured specially prepared components with no lead metalization. Either tin, palladium silver or nickel. ♦ For BGAs, removed tin/lead balls and re-balled with tin/silver balls. ♦
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/products/solder-paste/fluxplus-paste-flux
Iron / Alloy42 Nickel Silver Palladium Platinum Silver Solder Plated Stainless Steel Tin Titanium Non-solderable Zinc Flux Types Recommended Use RMA Rosin mildly activated Recommended RA Rosin activated Wets clean surfaces NC No clean Alloy specific (contact EFD
| https://www.eptac.com/faqs/ask-helena-leo/page/9
. Is there a special iron to use? Read More Silver Immersion Finish Boards QUESTION Question: We have a customer requesting us to use Silver Immersion Finish boards that are at least 5 years old
| http://etasmt.com/cc?ID=te_news_industry,3561&url=_print
. If slowly cooled, large grains arise, the boundaries of which may serve as precipitation points for Sn, resulting in cracks. Tin-Silver. Sn-3.5%Ag exhibits good solderability and mechanical properties and has the longest history of reliable usage as a lead-free solder
Surface Mount Technology Association (SMTA) | https://www.smta.org/knowledge/proceedings_abstract.cfm?PROC_ID=5255
today’s lead-free soldering applications. A series of soldering dissolution experiments, modeled on Bader’s, were conducted using SAC305 solder with gold, silver, palladium, platinum, copper and nickel samples
Imagineering, Inc. | https://www.pcbnet.com/blog/everything-you-need-to-know-about-pcb-finish/
. Cost In the world of printed circuit boards, you get what you pay for. Generally, the more expensive PCB finishes like electrolytic wire bondable gold, electrolytic hard gold, and electroless nickel electroless palladium immersion gold (ENEPIG
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/products/efd-products/fluxplus-paste-flux
Iron / Alloy42 Nickel Silver Palladium Platinum Silver Solder Plated Stainless Steel Tin Titanium Non-solderable Zinc Flux Types Recommended Use RMA Rosin mildly activated Recommended RA Rosin activated Wets clean surfaces NC No clean Alloy specific (contact EFD
| http://etasmt.com:9060/te_news_industry/2013-03-29/3561.chtml
. If slowly cooled, large grains arise, the boundaries of which may serve as precipitation points for Sn, resulting in cracks. Tin-Silver. Sn-3.5%Ag exhibits good solderability and mechanical properties and has the longest history of reliable usage as a lead-free solder
| http://etasmt.com/te_news_industry/2013-03-29/3561.chtml
. If slowly cooled, large grains arise, the boundaries of which may serve as precipitation points for Sn, resulting in cracks. Tin-Silver. Sn-3.5%Ag exhibits good solderability and mechanical properties and has the longest history of reliable usage as a lead-free solder
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/pan_APEX06.pdf
is interesting to note that Ag was detected in the fracture area. Figure 11. Fracture Area of SnPb Joint Reflowed at 215C for 90 sec. Figure 12. Fracture Area of SAC305 Joint Reflowed at 250C for 90 sec. A typical termination structure of lead-free
