ISO 18938:2008 成像材料 光盘 扩充存储的维护和处理

标准编号：ISO 18938:2008

中文名称：成像材料 光盘 扩充存储的维护和处理

英文名称：Imaging materials — Optical discs — Care and handling for extended storage

发布日期：2008-09

标准范围

This International Standard establishes general principles for the care and handling of digital optical discsduring use. It addresses the issues of physical integrity of the medium necessary to preserve access to therecorded data (information). This International Standard includes recommendations for handling procedures tomaximize the effective life of optical discs. Faulty handling, packing and transporting techniques and methodsoften cause physical damage to the discs and to the content recorded thereon. Extending the longevity ofoptical discs requires the identification of appropriate handling methods, as well as well-developed andimplemented training programs.For the purposes of this International Standard, the term "optical disc" includes the families of compact disc(CD), digital versatile disc (DVD), high definition digital versatile disc (HD DVD) and Blu-ray disc (BD)2), and anyhybrids of these families. The term "optical disc" also includes each type of disc within a family, includinginjection moulded [read-only memory (ROM)], dye-layer [recordable (R)] and phase change [rewriteable (RW),random access memory (RAM)] technologies.While some of the recommendations in this International Standard (e.g. those for staff training) applyspecifically to large-scale or long term usage, the basics of all recommendations in this International Standardare intended to be applied in circumstances where the desired result is long-term usage of the medium whetherarchival, commercial or personal.This International Standard does not cover magneto-optical (MO) discs, laser discs (LD) or glass discs. At thetime of writing, International Standards do not exist for HD DVD and Blu-ray discs. Nonetheless, it is believedthat the recommendations in this International Standard for care and handling can equally apply to them. It isrecognized that some of these requirements are not necessarily possible for the individual user to achieve.The following are within the scope of this International Standard:-- use and handling environments, including pollutants, temperature and humidity and light exposure;-- contamination concerns;-- inspection;-- cleaning and maintenance, including cleaning methods and frequency;-- transportation;m disasters, including water, fire, construction and post-disaster procedures;-- staff training.The quality of the data written on the disc is outside the scope of this International Standard. However, a highquality result of the recording phase is important to the longevity of information. It is advisable that a rigorousprogram of data integrity testing be implemented, as this forms an obligatory part of all digital long-term storage.In addition, when keeping digital information for archival purposes, it is advisable that a multiple copy/multiplelocation strategy be in place.

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