... team on site production technical support and after sales service. Specializing in Double Side PCB, Multi-Layer PCB, F4BK PCB, ... , Rogers PCB, Aluminum PCB.1.Single-sided, double-sided and multi-layer boards.2.HAL, HAL lead free, Immersion Gold/ ... diameter0.1mm9Min bonding pad diameter10mil10Max proportion of drilling hole and board thickness1:12.511Minimum linewidth of Idents4mil12Min Height of ...