4 layer flex-rigid PCBs from lef electronics
What is FR4? FR4 is the name of a type of epoxy glazing material. fr stands for flame retardant. 4 refers to the factors that differentiate it from other materials. FR4 means two things. The material. As a construction material, it refers to epoxy laminates reinforced with ...
What is FR4? FR4 is the name of a type of epoxy glazing material. fr stands for flame retardant. 4 refers to the factors that differentiate it from other materials. FR4 means two things. The material. As a construction material, it refers to epoxy laminates reinforced with ...
Via In pcb board material fr4, using copper plating or epoxy to fill holesfor circuit board factor, prevent solder paste or flux from flowing into the via in pad, avoid solder ball getting into via or solder mask cover on pad and cause false soldering. HUIHE CIRCUITS Via In Pad ...
Come From Xinfeng Huihe Circuits Co., Ltd.