Many times for a variety of reasons lead to damage to the circuit board, which not only affects the quality of products only affect the speed of circuit board proofing, if the circuit board surface 

burr how to deal with it?

     Usually have several methods: the shape of the complexity of the pieces should pay attention to the quality of the precoating to prevent the resulting replacement of copper layer; regularly add hydrogen peroxide, add the appropriate stirring should be; test and ensure the concentration of sulfuric acid, thereby reducing the role of copper powder; Anode anode and cathode area ratio of not less than l5: 1; anode sleeve should not be too thick to prevent clogging (single-layer polyester cloth is appropriate); anode hook and pole bar contact between the good.