Through-hole technology introduce Thru-hole is short for Through-hole technology. The Through-hole technology is a mounting scheme used for electronic components. The thru-hole use of the leads on the components that are inserted into holes drilled in the PCB. The mounted method of through-hole technology Different PCBA plants have differed mounted method of through-hole. Usually Thru-hole […]
Monthly Archives: November 2016
The Surface-mount technology (SMT) introduce Simply say Surface-mount technology is a PCB assembly technology. SMT is a method for producing electronic circuit assembly. The components are mounted or placed directly onto the surface of the PCB. Most of the time this mounted procedures are in PCBA plants. SMD is related to SMT SMD is short […]
PCBA engineers must know Component package Nowadays, most of electronic component has been standardized size. And the standardizing component package makes it easier for PCBA engineers. Due to the size of component package is known, just consider other factors in PCBA design. 4MCPCB experts also note that there were still plenty of packages out standard. […]
PCB board type and its shape PCB have various board types, some of them are well know PCB board type, and the rest may not. For example, to most PCBA engineers choose rigid PCB board. That is the reason why PCBA companies handle rigid PCB board mostly. And few of them use flex or rigid-flex […]
The difficulty of repair & rework for PCBA If you have visited PCBA factory, you may find a few of them have repaired & rework procedure. One reason is that the cost of repair & rework is very expensive. Even repair & rework procedure finish, the quality of PCBA may effect. Then is PCBA have […]
The necessary of PCBA functional testing procedure First of all, we should know that PCBA functional testing is following customer’s test procedures. This means that all of the test items are depending customers’ requirements. This is a quality assurance process. To ensure all functions is same with design. PCBA Functional testing different with ICT You […]
PCBA ICT procedure introduces ICT is short for In-Circuit Test. 4MCPCB experts told us that ICT is an example of white box testing. Simple say is use an electrical probe test a populated printed circuit board. Most of PCBA factories will use an ICT mould to testing. The items of PCBA ICT procedure There were […]
AOI testing is a normal method for electronic industry. In PCB manufacturing and PCA assembly process, also have to AOI testing procedure. Top three items of AOI testing procedure AOI testing: Missing componet checking First of all, Frank has to clear that different testing items in PCBA with PCB manufacture. Here we discuss will be […]
Why we should use X-ray inspection during PCBA testing There were two reasons resulting use x-ray inspection during PCB testing. The first one is newer type components use in PCBA. Like BGA and flip-chip devices, make PCBA become more complex. Then is due to traditional microscope inspection have obvious shortage. In most of solder connections […]
The reason why we discuss Visual inspection There were many kinds of PCB testing procedure. Visual inspection is the basically one. Almost all PCBA factories have visual inspection procedure. This paper will introduce this basically PCBA testing procedure visual inspection for most new guys. The definition of visual inspection Visual Inspection used in maintenance of […]