PCB News - How much do you know about PCBA production process, let you know more about PCBA

How much do you know about PCBA production process, let you know more about PCBA
In life, we can often see PCBA boards, so do you really understand it? The editor will take you into this article and take you to learn more about PCBA.
PCBA is the abbreviation of Printed Circuit Board Assembly in English, which means that the empty PCB board goes through SMT loading or the entire manufacturing process of DIP plug-in, referred to as PCBA. This is a common way of writing in China, and the standard way of writing in Europe and America is PCB' A, "'" is added, which is called the official idiom.
SMT and DIP are both ways to integrate parts on the PCB. The main difference is that SMT does not need to drill holes on the PCB. In DIP, the PIN pins of the parts need to be inserted into the holes that have been drilled.

SMT (SurfaceMounted Technology)

Surface mount technology mainly uses mounters to mount some tiny parts on the PCB. The production process is: PCB board positioning, solder paste printing, mounter mounting, reflow oven and final inspection. With the development of technology, SMT can also mount some large-size parts, for example, some larger-size mechanical parts can be mounted on the motherboard.

SMT is very sensitive to positioning and the size of parts during integration. In addition, the quality of solder paste and printing quality also play a key role.

DIP

DIP stands for "plug-in", that is, inserting parts on the PCB board. Because the parts are large in size and not suitable for placement or the manufacturer's production process cannot use SMT technology, the parts are integrated in the form of plug-ins. At present, there are two implementation methods of manual plug-in and robot plug-in in the industry. The main production process is: sticking adhesive (to prevent tin plating to the place where it should not be), plug-in, inspection, wave soldering, and brushing (removing in the furnace Stains left in the process) and made inspection.

Well, the above is how much you know about the PCBA production process carefully compiled by the editor for everyone. I will take you to further understand the sharing of PCBA-related content. I hope everyone can learn something and learn something!
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