Electronics Forum | Fri Mar 10 03:16:07 EST 2006 | Slaine
Multicore make a HMP alloy liquidus at 298 degrees, Pb93Sn5Ag2.Ive used it to attatch thermocouples but they're difficult to solder as they dont wet.
Electronics Forum | Thu May 18 09:40:08 EDT 2006 | russ
Good post WML! you helped a lot!, Chunks brings up good point. Are there vias that can be shorted by this component being slightly misaligned? When reworking there could be residual solder or even flux that has shorted the pads or component, etc.
Electronics Forum | Tue Jun 06 17:00:36 EDT 2006 | pjc
Be carefull of the effect on other components with a 7mil stencil, like fine-pitch devices will bridge more, excess solder.
Electronics Forum | Tue Jul 11 04:14:24 EDT 2006 | Rob
1) Use insulated wire & only strip back as much as you need for a good joint. 2) Wrap insulation tape around each joint (package lead with wire) after soldering to avoid any possibility of touching.
Electronics Forum | Tue Jul 18 07:39:52 EDT 2006 | Chunks
Is the hole always in the same solder joint? What parts do you see the hole(s) on? Can you try a different paste?
Electronics Forum | Fri Jul 28 08:46:36 EDT 2006 | davef
Two lines of thought are: * That you have some solder connections points us towards components. It seems like the solderability protection on some components need to have the reflothermal recipe tailored for that component. * Paste selection is a BI
Electronics Forum | Thu Aug 31 11:34:44 EDT 2006 | flipit
Could you get by using a Wenesco or Air Vac PCBRM10 wave pot instead of an entire wave soldering machine?
Electronics Forum | Thu Aug 31 15:27:17 EDT 2006 | Chunks
We use two Streckfuss wave solder machines. They are pretty small depending on your needs. Maybe not the best, but being local and since we use a lot of their forming equipment, it works out well
Electronics Forum | Tue Jan 30 04:20:26 EST 2007 | Phil J
Print your paste onto a ceramic tile, place the offending component onto it and send through the reflow oven; then observe the results. You will soon see if the component is solderable!
Electronics Forum | Tue Jun 05 15:34:05 EDT 2007 | aj
Hi all, Just to close off this issue I was having - the customer supplied a new batch of components and there was no issues . Looks like the whole of the previous batch was effected with solderability problems. Thanks for all the replies. aj...
