Laser Ablation of zincic, his energy and low signal change with graphics and text: image color depth that corresponds to the depth of high energy, Ablation, on the other hand the depth.

• 激光烧蚀金属锌时，其能度矮低随图文暗记保持：图像颜色深处差应的能度矮，烧蚀广度不小，反之则广度小。