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Design and Improvement of Service Processes—Process Management  359

                                  PCh          PFs



               Process planning data
               Copper clad
                                         PCB          Finished
               Resist material
                                     manufacturing    product
               Etchant
                                                  A1

                                       Operator
                               Machine       CAM software
        Figure 10.9 Level-1 IDEF0 Process Mapping for Printed-Circuit Board (PCB)
        Manufacturing

        10.4.3 Value Stream Mapping

        Based on process mapping, a value stream mapping can be developed to
        analyze how well a process works. Once a process map is established at an
        appropriate level of detail, the flows of products, programs, and services,


                                   PCh
                                      PFs
        PP data  Bonding
          Outer   &
          layer  Drilling
                    Al1
                                               Inner
                                               layer
                        Metalising
          Solution
                            Al2
            Inner
            layer               Photomech
            Mask                    Al3
                                          Plating
          Solution
                                             Al4
                                                   Etching
                                                    &
                                                  Stripping
           Etchart                                    Al5
                                                           Coating
                                                             &   Totest
                                                           Finishing
                                               Material       Al6
                               Operator
                                  Machine
        Figure 10.10 Level-2 IDEF0 Process Mapping for Printed-Circuit Board (PCB)
        Manufacturing Process
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