All Questions
5
questions
2
votes
2
answers
121
views
Plating via without chemicals
In my lab we can mill and drill double sided PCBs. Holes are not plated. To create a via we usually use little copper rivets. Electroplating is out of the question because we don’t do any chemicals ...
1
vote
1
answer
104
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PCB design for Renesas' DA7212 audio codec
I'm designing my very first PCB. I managed to route all my components and I'm stuck at the last footprint - DA7212 from Renesas:
Those balls are both incredibly tiny and packed dense. I'd need a ...
4
votes
1
answer
196
views
Deliver high current through vias
There is a demand for a delivery of 3 A through several layers using vias.
Presented below in the picture is my PCB manufacturer's abilities regarding vias.
A single via can withstand 1.4 A. Are there ...
3
votes
2
answers
2k
views
Many small via vs few bigger via
While I was designing a board I thought, if we want to make a better path for the current what is the best choise?
Small vias and big in numbers or fewer but with bigger hole?
21
votes
2
answers
14k
views
How are vias made commercially?
How are or were vias made commercially?
Wikipedia (http://en.wikipedia.org/wiki/Via_(electronics)) mentions
"The hole is made conductive by electroplating, or is lined with a tube or a rivet"
Can ...