All Questions
Tagged with pcb-assembly pcb-design
173
questions
16
votes
4
answers
11k
views
Feasibility of PCB edge plating?
How feasible is it to edge plate a PCB or at least a portion of one? I've seen it done but as I understand the outer edge is only cut after plating at most fab houses. Is this something that's ...
- 2,525
4
votes
2
answers
1k
views
Questions About PCBs
I understand what they are but i have a few questions...
What are the multi layers on a pcb (i understand 1 and 2 is front back but what about 3, 4 ,5 etc.)
In http://www.youtube.com/watch?v=...
- 85
-5
votes
1
answer
192
views
building thin devices, how to get started? [closed]
I want to build thin devices, just as thin as those ipod touches, how do I get started?
What courses, what machines, what books?
- 101
18
votes
4
answers
4k
views
What is the best way to short adjacent SMD pads?
Which of the three ways shown above would be the best way to short two adjacent SMD pads together, and why? These are TSSOP pads and the assembly process will be lead-free reflow, if that matters. ...
- 8,551
6
votes
1
answer
848
views
How do PCB fabrication houses make PCBs?
I know the different ways of making PCBs at home, but I can't seem to find a lot of information on how board houses professionally make their PCBs. Is this how they do it?: http://www.youtube.com/...
- 4,546
12
votes
3
answers
6k
views
Soldering heatsink pad on bottom of IC
I am attempting to make a board for the tlc5951 24-channel led driver to drive an 8x8 rgb led array. I have made what I think is a good eagle library for the sop-38 package, but I am not sure what to ...
- 2,054
30
votes
3
answers
11k
views
Should I worry about the risk of tombstoning?
A colleague has (apparently unsuccessfully :-)) tried to convince me of the risk of tombstoning
in the following situation:
He claims pad 1 for R55 and R59 will lose heat faster during ...
- 146k
8
votes
2
answers
430
views
Designing electronics systems with weight constraints
How would you go about designing a PCB with weight constraints? Suppose, the PCB has a weight constraint that say it must weight less than 140grams.
In searching for parts and components, I realized ...
- 2,260