Pre-plating preparation and electroplating treatment of thick copper PCB: The main purpose of thickening copper plating is to ensure that there is a thick enough copper plating layer in the hole to ensure that the resistance value is within the range of the process requirements. As a plug-in part, ......
Read More1. The telephone is required to be easy to use after the components are installed, that is, the electrical connection must meet the requirements; 2. The line width, line thickness, and line distance of the HDI PCB circuit meet the requirements to prevent the circuit from heating, breaking, and ......
Read MoreI believe everyone is no stranger to circuit boards. HDI PCB circuit boards have many colors, black, white, yellow, green, etc. Maybe many electronic enthusiasts will ask, why are HDI PCBs mostly green Woolen cloth? Then let us discuss this issue together!
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