I have some PCBs that were wave soldered but the vias still remain open, they are not filled nor plugged…
Is there an industry standard for showing how plates in the SMT cap are oriented? How can you tell if…
Printed circuit boards (PCBs) are at the heart of electronics manufacturing. However, PCBs can sometimes experience failures due to a…
What I would like to know is if ICs also have a limited shelf life and if so, do some…
The assembly note states: Bake bare PCBs in a clean and well ventilated oven prior to assembly at 125*C for…
I know that using leaded process for lead-free BGA chips is not acceptable, because the solder balls of the BGA…
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?