Four methods of proofing aluminum substrate
Four proofing methods of aluminum substrate: one, photographic material proofing method, two, mechan...
Four proofing methods of aluminum substrate: one, photographic material proofing method, two, mechan...
Only under certain conditions can the 20H principle have obvious effects. 1. The power plane shall b...
Common bad reasons for PCBA welding resistance film processing :1. Welding pad and through hole conn...
The difference between them is that the core is thinner, the pp sheets of one or two layers and five...
The characteristics of the gold process: the copper on the circuit board is mainly copper, copper so...
The function of PCB design discharge teeth: in surge testing or ESD testing, the two ends of the com...
The role of PCB process edge: process edge is the part added on both sides or four sides of PCB boar...
PCB board common bad reasons: 1, short circuit, 2, open circuit, 3, PCB board dark and granular cont...
Common heat dissipation mode of circuit board: 1, high heating device plus radiator, heat conduction...
Soft and hard combined board PCB design points: 1, flexible area line design requirements, 2, dimens...
The application of wave-crest welding technology and reflow welding technology are completely differ...
When printing plate is printing solder paste, there is a certain restrictive relationship between sc...