I see recommendations of 2-4 mils for solder mask expansion. But why is it necessary?
I received the PCB design file from supplier. There are some teardrops, which I have seldom seen. Why are there…
Last week, I visit a PCBA manufacturer for our new project. They not only introduce in-circuit tester but also flying…
I have a technical question about thermal management with mid-power LED diodes.Do you use thermal vias on the PC board…
I have a THERMAL problem when designing a power LED ALUMINUM PCB. I have 10 5W UV power LEDs.Coldwater flows…
As we all know, flex PBC is flexible. I am curious about the reliability of vias in it. Is it…
I am designing a micro-strip antenna with an HFSS toll, what's the thickness of FR4 substrate that one should take…
The power electronic converter is for high power application. I am going to design it for a new project. Any…
When I sourcing PCB online, I found some of them are with heavy copper. Why would the designer use copper…
Prepreg, short for pre-impregnated composite fibers, is an essential material in the manufacture of multilayer printed circuit boards. However, it is often…