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Photochemical Chemical etching（PCM）is the engineering and technology refers to using of photographic technique generated mask, through selective chemical attack to produce no glitches, no stress and formation Metal components. Products can be part of etch penetration can also be part of no penetration. and can also be carried out etching up to part of shaping metal machining workpieces.
Compared with traditional mechanical press methods and laser method,Etching has the following advantages：1. Machinable the vast majority of metals and alloys; 2. Processing and high precision; 3. Machinable the shape of complex components; 4. Lower processing costs; 5. Process of flexible, large or small-scale production can be; 6. Processing without stress; 7. Products without any glitches; 8. To be processed materials had no effect on performance; 9. New development of cheap and easy to modify; 10. And shorter processing cycle。The shortest day of the sample is three days.
Etching process applied to low-volume, high-volume, multi-species, small size, large-area sheet metal, precision machining of thin plates and metal crafts surface processing, and can be done with a semi-etching graphics metal products.Products are widely used in electronics, machinery, optical, medical, petroleum, chemicals, automobiles, handicrafts and other industries.Products such as：IC lead frame; (VFD) grid display, frame; encoder grating; package cover; phone buttons, antenna, substrate and metal accessories; Microelectrode; metal filters; surface mount components ( SMT) metal screen; spectacles frame; model pieces of metal etching; metal mask; CRT mask; television, computer network speaker enclosures and some metal parts; metal etching fever tablets Etc.
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