New Equipment | Solder Materials
Nitrogen is an essential part of the selective soldering process. Soldering without a nitrogen atmosphere leaves solder joints open to the possibility of oxidizing. Individual components will not maintain the long term reliability expected in the har
http://yincae.com/index.html YINCAE SMT 256 Dipping Process YINCAE SMT 266 Jetting Process
Nitrogen is an essential part of the selective soldering process. Soldering without a nitrogen atmosphere leaves solder joints open to the possibility of oxidizing. Individual components will not maintain the long term reliability expected in the har
New Equipment | Selective Soldering
Nitrogen is an essential part of the selective soldering process. Soldering without a nitrogen atmosphere leaves solder joints open to the possibility of oxidizing. Individual components will not maintain the long-term reliability expected in the har
Technical Library | 2014-06-23 14:50:52.0
It was unusual to see chip terminations change colors when tin lead solders were used but with the introduction of lead free reflow soldering and the corresponding increases in reflow temperatures terminations are now changing colors. Two conditions are present when reflow temperatures are increased for lead free solder alloys that leads to discoloration. Reflow temperatures are above the melting point of tin (Sn MP is 232oC). Air temperatures commonly used in forced convection reflow systems are high enough to both melt the tin plating on the termination allowing it to be pulled into the solder joint due to solder joint liquid solder surface tension leaving behind the exposed nickel barrier. Now those metal oxide colors will be visible due to high air temperatures during reflow.
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100g Solder Paste for BGA refwork mobile phone repare 100g Solder Paste BGA refwork Solder Paste mobile phone repare Solder Paste 100g Solder Paste for BGA refwork Product description: 100g Solder Paste for BGA refwork mobile phone repare &
Sn42Bi57Ag1 Solder Paste NP505-LT lead-free soldering paste SMT Solder Paste Sn42Bi57Ag1 Solder Paste NP505-LT flux solder paste Product description: Sn42Bi57Ag1 Solder Paste NNP505-LT is a no-clean, Pb-free, zero-halogen solder paste for asse
COT specializes in high quality SMT nozzles and consumables for pick and place machines. We provide special engineering design service of custom nozzles for those unique and odd components.
2481 Hilton Drive
Gainesville, GA USA
Phone: (770) 538-0411
