... workpieces, such as filter,TV shadow masks, Lead frames and etc. Photo Etching Machine(two chamber) How It Works:Chemical ... KK-YB2S1000; KK-YB2S1360; KK-YB2S2400KK-YB2S600 Precision Chemical Etching MachineParameters: Model: KK-YB2S600 Feeding width: 650mmEtching length: ... used to engraving or etching through the metallic graphics such as meshes, filter,TV shadow masks, Lead frames, encoder disks, ...