How to do PCB double panel
Design good pcb file, directly to the system board business on the line, you do not have professional equipment, then make a double panel is more difficult
Open material - drilling - (metallized milling) - copper - plate plating - dry film - inspection - graphic plating - etching - AOI - solder resist - check - character - Inspection - Spray Tin - (Secondary Drilling, V-CUT) - Outline - Electrical Test - Finished Product Inspection - (OSP - Finished Product Inspection) - Packaging Shipping
Print only the bottom wire, used to make a single layer. Once the single-layer board is made, connect the top wire with the wire.
If you want to do the PCB is not very complicated, after the software wiring, the adjustment, the top of the red wire as much as possible to reduce, shorten, and then placed in the red and blue junction pad to punch.
