Category:PCB Solder Paste
Solder paste is a material used in the manufacture of printed circuit boards to connect surface mount components to pads on the board. It is also possible to solder through hole pin in paste components by print solder paste in/over the holes.
Hi, Has anyone had any experience with lead free Sn-8Zn-3Bi solder paste? Apparently in Japan it's becoming popular because it's got a melting point of below +200C. Can anyone confirm that...(view more)
We use water soluble solder paste. When it gets a little dried out, can we add something to rejuvenate it? Liquid flux? We do not place components, just print and reflow the solderpaste so solde...(view more)
We are using Kester Type R520A, Alloy SN96.5/A63.0/CU.5 paste which is applied using an MPM Accuflex machine. Our plant Humidity is 38 degrees. We are seeing insufficient paste post stencil on fine pi...(view more)
Hi, Recently we have encountered solder wicking on components termination (total of 13 pcs of components on one pcb)with Ag/Pd finishes during lead-free reflow soldering. The pcb is LF HASL surface fi...(view more)
Looking for some opinions on what the best, readily available, Alpha lead free water sol paste is out there. Only thing I can see on their website is the WS-819. Anyone with experience with this? We c...(view more)
Guys, We're seeing what looks like an issue where through hole solder joints from our ive solder process are cracking during the cooling phase of the soldering process. This was detected during therma...(view more)
What film do people use to check paste alignment on PCB's? We used to use a mylar but it is now obsolete and the last stuff that we ordered was more like cling film.(view more)
hey am working in continuos improvement dept and am lokking foraward to save time and cost by imlimenting solder paste catridges in place of jars can any one help me out in this topic!(view more)
we face the problem to last month dry solder issue.when we found PCB is dry. (PTH not fill not properly)then we change the parameter like flux Tank pressure increase 130 to 250. after these activity P...(view more)
Hi, I am searching a method of reflow process for less / nothing solder ball defect.(view more)