论文部分内容阅读
一、媒体的长期保存性缩微技术作为信息的模拟影像存储技术,已有一个多世纪的发展历史,它在文献长期保存方面的技术优势早己得到肯定,是目前用于文献保护最成熟的,保险系数较高的技术。缩微胶片不仅能真实保持档案原貌,而且保存的时间长,寿命可达500年,并因其拷贝简单从而几乎可以无限期保存下去。相对于胶片缩微品而言,光盘的寿命一般公认为10—20年。虽然三井公司曾声称将酞菁金盘置80度高
First, the media’s long-term preservation of microfilm technology as information analog image storage technology, has more than a century of development history, its long-term preservation of the literature has long been recognized for its technological advantages, is currently the most mature for the protection of the literature, Higher insurance factor technology. The microfilm not only keeps the original file intact, but it also lasts for as long as 500 years and can be stored indefinitely for its simplicity of copying. Relative to the film microforms, the disc life is generally recognized as 10-20 years. Although Mitsui has claimed that Phthalocyanine gold plate set at 80 degrees