Equipment name: full phase microscope

                                                                                                                      Process involved: physical laboratory

                                                                                                                      It is mainly used to accurately test the thickness of copper hole, 

                                                                                                                      the maximum amplification factor of copper thickness is 400 times, accurate to 0.1um

           Equipment name: quadratic element

                                  Process: physical laboratory/chemical laboratory

                                 Special customized equipment, the effective measurement area 

                                 of the equipment is 600mmx1600mm, the measurement size is large, 

                                 specially customized for the measurement of T5/T8 flexible circuit board