All Questions
Tagged with manufacturing-process pcb-assembly
5
questions
1
vote
1
answer
76
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Functional discrepancy within PCBA batch
When manufacturing a small prototype batch of an embedded system at EMS I have detected different behavior between the units. All units work as expected, except that some units fail to operate same ...
- 91
5
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3
answers
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Question on "Parts should be used within 5 days after opening." statement on component shipping package
I've been given the task of verifying a batch of ICs from a chinese broker, to see that the chips the company has bought are what the broker claims they are. The package we've received looks like this,...
- 5,293
4
votes
2
answers
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Placing through hole and SMT on the same side
I have a design with huge push buttons (with 6 TH holes.)
There's a few of them so they do take up quite a bit of space mechanically from the top.
I was thinking of placing the majority of the SMT ...
- 4,742
0
votes
0
answers
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How long can the leads protrude for a typical selective solder machine?
I have an LCD who's leads extend about 10mm past the board surface.
Can a typical selective solder machine fountain reach this high?
If not, any suggestions on the best way to handle long ...
- 10.2k
9
votes
3
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Anyone know the premise of this PCB assembly note?
The assembly note states:
Bake bare PCBs in a clean and well ventilated oven prior to assembly at 125*C for 24 hours.
Why is this necessary?
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