Optical recording discs through the burning surface of the embossing Siu Hang recorded signal, and then electroplated with aluminum foil to signal reflection, Siu Hang in there and no Siu Hang Department of light reflection, CD-ROM laser beam discs of reflective aluminum foil to read data. Therefore normal CD can read, the brightness of reflective aluminum foil is essential, and very high requirements. However, the CD-ROM on the surface with plastic protective film trace moisture penetrating the nature, In high humidity environment ALUMINA brightness water will be produced by the electrochemical dehumidifiers.com.cn/News/HumidityConcept/" target="_blank">oxidation reaction, resulting in lower brightness, CD result could not read or wrong signal, causing the normal broadcast use scrapped. It can also mold the plastic discs surface. Therefore, for the dehumidifiers.com.cn/News/HumidityConcept/" target="_blank">oxidation resistant, CDs stored in 40% relative humidity environment, to ensure safety.

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Edit by Frank at 2007/5/11 10:56:04