Affected by the epidemic in January this year, domestic medical equipment, such as ventilators, are urgently needed, which is especially important for severely ill patients...
A few days ago, I watched a very good movie on CCTV 6, called "Alien E.T.", and it is very suitable for adults and children to watch. The plot is very interesting...
At the end of last year, there were more than 1.29 million charging infrastructures nationwide, and the nation’s new energy electric vehicle ownership reached more than 3.7 million...
The current status and development trend of China’s PCB industry in 2020. The PCB industry chain is basically conducted in accordance with the raw material-copper clad laminate-PCB-product application: from the perspective of the industry chain, P
Summary of common problems in PCB dry area (circuits, solder mask, text) (1) 1. Why do PCB board BGA solder masks have holes? What is the reception standard?