New Equipment | Solder Materials
Proposal Pro Contra Vaporphase OT2 SCAN-Ge XF3+ Large melting range Anti-Tombstoning Dull solder joints
Electronics Forum | Tue Jul 19 18:40:41 EDT 2022 | emeto
Nitrogen is helping voids, so if you have specific parts that are prone to voids, you might start seeing more voids. Joints will probably look a little dull in comparison and this might affect your existing AOI programs.
Electronics Forum | Tue Mar 15 09:46:06 EST 2005 | davef
Comments are: * J-STD-001 and A-610 committees have eliminated the requirement that solder joints be "bright and shiny". Certain metallizations (such as gold) can influence the solder joint surface texture, but have no impact of reliability. Reliance
| http://etasmt.com:9060/te_news_bulletin/2021-08-31/23576.chtml
Reflow-related causes: • Preheat portion of profile and rate of heating too aggressive (should not exceed 4K/sec. per 20 sec. interval. Dull solder joints Dull