There are several round pads on the PCB prototypes made by the manufacturer. They are marked Scx and labelled with…
I have a professional question about BGA package. Why is BGA (Ball Grid Array) socket not considered as an actual…
PCB lamination is a critical step in PCB fabrication, which involves “sandwiching” a core layer containing the circuitry between sheets of…
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…