Electronics Forum | Fri Dec 13 19:01:14 EST 2002 | Tooling Guy
I have heard of people using tiny lead-shot filled bags to hold down thru-hole components on circuit boards while running through a wave solder machine on selective solder pallets. How successful has this been? What kind of material is being used f
Electronics Forum | Thu Dec 22 10:37:38 EST 2005 | Amol Kane
Hi Steve, We just got the retrofitted machine and i was trained by PVA on Pathmaster. I just wanted to know if many other ppl were using it so i can post any questions/comments on the programming aspect. The coating we will be using is envibar, and
Electronics Forum | Fri Feb 15 03:38:37 EST 2008 | keithej2
The X1 glass scale reader is bad. After cleaning it didn't help, we removed the read head and took the cover off. There is a cracked component (L1) and magic smoke/dust on the parts around L1. There's also a dead short on the two tiny wires that supp
Electronics Forum | Tue Apr 01 14:09:09 EDT 2008 | cyber_wolf
I have always heard the glory of plexi glass templates but have never seen them successfully implemented. ECR changes make this system nearly impossible when you are trying to manage thousands of assemblies. We have removed the hand cranks from the
Electronics Forum | Sat Feb 27 01:16:16 EST 2010 | jmelson
I had a batch of Xilinx chips that I believe had microscopic hairs of the lead frame left as slivers on the leads. These maybe got encapsulated by the solder plating, and then were free to move when the chips were reflowed. You could see the tiny h
Electronics Forum | Thu Sep 13 13:04:52 EDT 2018 | jrs192
Hello! Recently started buying PCBs with peelable mask to remove the need for Kapton tape. Had no issues with our first batch, but our supplier has over-cured the second batch - it comes off in tiny bits, and is stuck in the holes. After timing the
Electronics Forum | Mon May 18 22:15:20 EDT 1998 | Steve Gregory
Howdy Richard, Welcome to the club! I now dub thee a full fledged member of the "Spotty Gold Finger and Bleeding Ulcer Society"...or SGFBUS for short... (GRIN) I know it's not funny to be in that position, but there's so many different places to pick
Electronics Forum | Tue May 19 10:23:06 EDT 1998 | Mike C
| Howdy Richard, | Welcome to the club! I now dub thee a full fledged member of the "Spotty Gold Finger and Bleeding Ulcer Society"...or SGFBUS for short... (GRIN) | I know it's not funny to be in that position, but there's so many different places t
Electronics Forum | Mon Jan 19 20:01:11 EST 1998 | Steve Gregory
| We use no clean paste and sometimes experience | flux splattering which gives spot on gold fingers. | Need help in analize the cause. thx. Dominic, That is STILL a problem huh? It's a tough one to solve sometimes...especially when you have as
Electronics Forum | Wed Jun 05 15:09:44 EDT 2002 | cyber_wolf
I have seen this happen before it has been my experience that even one tiny sphere of solder form your solder paste will melt and spread out on your gold fingers. The particles are so small that they are not visible to the naked eye. If operators ha
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