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一、现状和水平自1966年首次提出光存贮概念,七十年代发明视盘,直至目前的可擦重写光盘,光盘作为一种先进的信息存储技术,在国际范围内有了迅猛的发展。从生产和市场方面看,七十年代进入市场的声盘目前发展十分活跃。1990年美国小型光盘唱片销售3亿张,大大超过传统的树脂唱片(不到3000万张)。90年世界总销量达8亿张,93年预计达13亿张。同期产品,视盘发展较慢,保持在每年几十万台的水平,预计近来市场将较乐观。CD-ROM和八十年代新产品可
First, the status quo and level Since 1966 for the first time put forward the concept of optical storage, the invention of the seventies disc, until the current erasable and rewritable optical disc, optical disc as an advanced information storage technology in the international context has been rapid development. From the perspective of production and marketing, the sound discs entering the market in the 1970s are currently very active. In 1990, 300 million mini-CDs were sold in the United States, far exceeding the traditional resin record (less than 30 million). In 1990, the world’s total sales volume reached 800 million pieces, reaching 93 million in 1993. Over the same period products, slow development of optic disc, maintained at the level of several hundred thousand a year, is expected to be more optimistic about the market recently. CD-ROM and eighties new product can be