Flxible pcb connections have main two kinds: plug and welding ways. Flexible pcb plug that is inserted into the connector inside, then FPC insertion end and Goldfinger designed according to the spec....

Factors causing the circuit board welding defects has the following three reasons:1, weldability impact mass soldering circuit board holesPCB hole solderability properly, it will produce Weld defects,...

First, get a PCB, first recorded on paper all the good vitality of the model parameters, and the location, especially the direction of the diode, three machine direction of the tube, IC notch. Prefera...

This time let’s talk about the electrical testing methods of circuit boards, there are: Dedicated,Universal Grid,Flying Probe, non-contact electron beam, conductive cloth (plastic), Capacity and...

A 300mm wafer is 12 inches in diameter. When using a chip that is 1 square centimeter, a 300mm wafer includes approximately 706 chips. The 300mm wafer has 2.25 times the wafer area than a 200mm wafer...

Today let’s have a look at the PCB design and cost controlling, in order to allow the PCB cost the lower the better, there are many design factors must be taken into considerations:1, T...

BOM and parts list are important documents in the production of PCBA, but they have obvious differences in several aspects.BOM is bill of material, which helps the computer identify the structure of t...

Today, the use of ENIG is more and more extensive, which is mainly used for the surface treatment of the PCB, in order to prevent the surface of copper oxidation or corrosion.Why does ENIG start to po...