What is the difference between PCBA and PCB?

I believe many people are familiar with the terms related to the electronic industry, such as PCB circuit board and SMT chip processing, which are often heard in daily life, but many people don't know much about PCBA and often confuse it with PCB. So what is PCBA? What is the difference between PCBA and PCB?

The difference between PCBA and PCB:

From the above introduction, we can know that PCBA generally refers to a processing flow, which can also be understood as a finished circuit board, that is, PCBA can only be counted after all the processes on the PCB are completed.

Pcd refers to the circuit board; The circuit board is divided into two, six, four and eight layers.

PCB refers to a blank printed circuit board without any parts on it.

PCBA refers to the whole process of PCB blank through SMT and then through DIP plug-in, referred to as PCBA.

The popular point is to weld some ic chip capacitors with resistance on the pcb board of the main board.

Modern processing industry is highly automated. Minghua avionics smt mounter uses machine intelligence instead of manual welding; Accurate, fast and meticulous machining can be realized.