长期以来,档案部门所保存的档案是以纸张为主要载体,档案保护工作主要围绕纸张和字迹的耐久性而展开。随着光学技术、磁记录技术的发展,特别是电子技术的发展,档案载体增加了许多新的形式,越来越多的社会实践活动不再采用传统的纸张和字迹材料记录,而是以缩微型(胶卷、胶片等)、声像型(影片、照片、唱片、录音带、录像带等)、机读型(磁性材料、光盘等)新型载体和记录 For a long time, the archives kept by the archival department are based on paper as the main carrier. Archival protection work mainly focuses on the durability of paper and handwriting. With the development of optical technology and magnetic recording technology, especially the development of electronic technology, many new forms have been added to file carriers. More and more social practice activities no longer use traditional paper and handwriting materials records, (Film, film, etc.), audio-visual type (video, photos, records, tapes, videotapes, etc.)