It is the harsh environment in which the circuit board is manufactured that creates the necessity for a very durable ribbon and label. A bar code is affixed to the base of the circuit board before the manufacturing process begins. This bar code has to withstand the extreme heat and solvent conditions of the manufacturing process.
                                             

Polyimide, Kapton

Flat head technology – B120EC, SDX20, R510.
Near edge technology – UEX10, UEX30.