9. Finishing - the process of coating the pad areas having a slim layer of solder to prepare the board for the wave that is eventual or reflow soldering process that will occur at a later date after the elements were placed.
[img]http://media1.picsearch.com/is?QpSPhSG8o4UOaRO6LPtjYC7fjl2JZSWzKl7frUtwny0 this process additionally enables cutting notches or slots to the board if needed.
12. Quality Control - a visual assessment of the boards; may also function as the procedure of inspecting wall surface quality for plated through holes in multilayer boards by cross-sectioning or other techniques.
13. electric Testing - the entire process of checking for continuity or shorted connections regarding the boards by means applying a voltage between different points in the board and determining if your flow that is current. Depending upon the board complexity, this technique might need a specifically designed test fixture and test system to integrate aided by the test that is electrical used by the board manufacturer.
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Manufacturing circuit panels is a procedure that takes some time and it is not considered a "simple thing" to accomplish. Although, there are enthusiasts who is able to make their boards that are own home with the right materials, but they frequently tend to be much less complex as bulk manufactured ones. Additionally, it will be time that is pretty to hand make 20,000 PCBs. Below, I will briefly walk you through the PCB Assembly process and what exactly is included at each and every stage.
PCB Assembly, that will be also called Printed Circuit Board Assembly is once you solder electronic elements to a PCB or printed circuit board. A circuit board which has perhaps not yet been assembled using the electronic elements are known as PCB or Printed Circuit board as soon as the boards have actually soldered elements they are technically referred to as Printed Circuit Assembly or Printed Circuit Board Assembly on them.