1010 月/22 Shape and size requirements of tin printing laser steel mesh opening 10 10 月, 2022PostPCB assembly, Shape and size requirements of tin printing laser steel mesh opening, SMT, SMT spare parts, solder paste, Special SMT element laser mesh opening, Surface Mount Technology, Two diagonal positioning holes must be opened at the opposite corners of the laser steel meshAlice 1. General principles: According to Read More…