Electronics Forum | Thu May 11 20:48:14 EDT 2023 | johndep7
I have issues with damaging PCB with depaneling in my company. Mostly mousebite depaneling and some vscore. I have looked into laser depaneling, pneumatic, routers, hand tools but have not found something that I can put full trust in. To understand m
Electronics Forum | Fri Jun 02 04:45:44 EDT 2023 | calebcsmt
Totally agreed regarding underlying issues if we were continuously on the edge of defects. I think the question for me becomes, when a customer isn't specifying requirements or any particulars: at what point is reworking pointless/waste of time &
Electronics Forum | Thu Jun 01 22:05:01 EDT 2023 | calebcsmt
For contract manufacturers, Unless expectations/requirements are particularly specified by customers OR there is a discussion and contract in place, what are the expectations when it comes to the assembly standards and practices? Is J-STD essenti
Electronics Forum | Mon Jun 12 15:27:09 EDT 2023 | jamesatqkits
It was a nitrogen delivery issue. I used a funnel (silicone) to direct the nitrogen to the board. The way the machine operates is, the nitrogen comes out about 7 cm away from the board, from a large opening around the nozzle. I cut a silicone funnel
Electronics Forum | Fri Feb 23 09:35:36 EST 2024 | emanuel
We have the standard profile as a template made according to the solder paste specs. For some boards we measure the result at 2 points, on the board itself and on top of a sensitive SOT263 module and adjust accordingly. The solder paste is well kept,
Electronics Forum | Thu Jun 13 14:41:40 EDT 2024 | tommy_magyar
Hi David, In one of my previous jobs I worked as an AOI/AXI process engineer and we had a set target of 75% FPY. This means that 75% of the boards at IPC Class 3 standards would not have a single false call. This also means you would need to set y
Electronics Forum | Tue May 01 13:25:20 EDT 2001 | kaoni
Thank you Wolfgang, My time table is the amount of time it takes to get it right. I hope to have product by next December if possible. Yes, I am starting from ground zero. I need to go 201 because of the size limitations as to what I need to fit in
Electronics Forum | Fri Aug 20 14:19:47 EDT 1999 | Earl Moon
| | I'm trying a second time to post this very important message, to me, concerning Air-Vac's following creation. Does any own and use this stuff successfully to remove solder from 20 layer and up MLB's with .020" diameter holes? Also, is any of the
Electronics Forum | Sat Aug 07 11:33:55 EDT 1999 | JohnW
| | What oven temperature should be used to reflow solder (Sn63Pb37) on a PC board (0.075" to 0.100" thickness) in 5 to 10 minutes? | | Profiling - tedious but important. As said, start with the paste manufacturers recomendation which is usually pu
Electronics Forum | Wed Jul 28 16:36:30 EDT 1999 | Earl Moon
| | | While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That w
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