... PCB, double-sided PCB, multilayer PCB, PCB layout and design and PCB assembly.2. Material Type: FR4, CEM-1, non-halogen ... bulk productionMax Layers1-28 layers1-14 layersMIN Line width(mil)3mil4milMIN Line space(mil)3mil4milMin via (mechanical drilling)Board ... pcb, pcb manufacturer, rigid flex pcb, pcb design, pcb factory, pcb design, pcb assembly, pcb manufacturing, pcb prototype, pcb fabrication, ...