How should PCB board be stored and how long is its shelf life
At the same time, physical and chemical changes are formed on the surface of the functional groups o...
At the same time, physical and chemical changes are formed on the surface of the functional groups o...
The most effective way to increase PCB density is to reduce the number of through-holes and precisel...
It is a test method in which the assembled plate is supported by two cross bars from the outside of ...
That is to say, in a specific storage environment, the quality of the goods must be able to continue...
HDI board is one of the most precise PCB board, and its process is also more complex. The core steps...
Generally practical oxidation in the narrow sense refers to the reaction of direct combination with ...
general solid insulation material is not easy to fill the dead corners, and where the need to be clo...
Sunblock welding process can be roughly divided into three operating procedures:The first step is ex...
must try to be dispersed or diluted or offset, in order to maintain the good operation and performan...
It refers to a way of connecting the circuit board with the outside world, that is, on the board has...
this method can be used for imaging inspection of the sealing quality of the packaged traditional IC...
The measurement method is to dissolve the sample in hot alcohol with titanium phenol as an indicator...