Choosing Which Paper is Used For PCB Printing When choosing the type of paper to use for PCB printing, there are a few different options. Some options are thermal transfer paper, while others are toner transfer paper and photo paper. Depending on the purpose of your PCB printing, you may want to choose one or the other. Thermal transfer paper Thermal transfer paper is a special type of paper that is used for printing PCBs. The paper is heated between 150-180 degrees Celsius and then a circuit board’s circuit diagram is printed onto it. After the transfer paper is printed, Bonded Copper is etched with an Ammonium persulphate solution and […]