All Questions
Tagged with manufacturing-process pcb
9
questions
1
vote
1
answer
54
views
Electronics Manufacturing Engineers: What needs to meet IPC-6012 the finished copper or the starting copper foil?
I have a PCB that has a finished copper thickness of 1 oz on all layers and must meet IPC-6012 requirements for Class 2.
Does this mean that the manufacturer can start with 0.5 oz copper foil then ...
- 111
3
votes
3
answers
385
views
A good method to clamp PCBs down for bed of nails fixture?
I would like to build a bed of nails fixture with pogo pins.
Is there a good method that works to hold down a PCB that is releasable and easy to pop a PCB in and out of the fixture?
- 84.5k
22
votes
4
answers
2k
views
Environmentally sustainable electronics
I am part of my company's work to become more environmentally friendly and sustainable. On a high level for the company that means pursuing ISO certifications (such as ISO 14001) and working according ...
- 607
11
votes
3
answers
1k
views
What exactly makes small quantity PCB production costly compared to large quantity PCB production?
The per-PCB cost of manufacturing a small number of PCB is 10 times or more compared to the per-PCB cost of manufacturing a large number of PCBs.
So what is it exactly that adds to the cost?
People ...
- 135
1
vote
0
answers
47
views
How to Design method to Program & Calibrate a Panel of PCBs
I'm designing a sensor-package PCB which needs to be programmed and calibrated while still in a panel of 10.
I'd like to avoid a large bed-of-nails type setup for this step so that the panel can ...
- 11
2
votes
1
answer
433
views
PCB design rules
To design my board, how may I ask a PCB manufacturer for the constants rules or clearance rules? What is the particular terminology that I would use at the time of asking about the design standards ...
16
votes
1
answer
1k
views
Why can my bare PCB be magnetized?
I am working on a magnetic sensors design and noticed that my measured magnetic field bias shifts over time. I have studied the bare PCB and measured that it can be magnetized with a strong magnet.
...
- 161
0
votes
1
answer
616
views
Will a 0.400mm thick PCB be too flexible?
My PCB will roughly have the following stackup:
35um copper foil (tracks)
100um FR4 prepreg
200um FR4 core
100um FR4 prepreg
35um copper foil (tracks)
This gives a total board thickness of around ....
- 211
9
votes
3
answers
2k
views
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?
- 312