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盗版CD(含VCD)是非法音像制品,是对版权的侵犯,应当打击和取缔。识别盗版CD(含VCD),应先从CD唱片的基片说起,正版的基片采用特制的聚碳酸脂材料,光透射率、排斥水份的性能以及材料内部的纯洁度皆很好,并经专门的时效处理,基片上的金属反射层也镀得严密,保护涂层均匀无汽泡。盗版CD先天不足,用料差,甚至用非光学材料,
Pirated CDs (including VCDs) are illegal audiovisual products and they infringe on copyright and should be cracked down and banned. To identify pirated CDs (including VCDs), we should start with the CD recording substrate. The genuine substrate uses a specially made polycarbonate material. The light transmittance, water repellency and material purity inside are all very good. And the special aging treatment, the substrate of the metal reflective layer is also plated tightly, the protective coating evenly without bubble. Piracy CD congenitally deficient, with poor materials, and even non-optical materials,