照片档案的产生和作用档案工作是随着生产的发展,科学的进步而不断发展和丰富多彩的。殷商时期,书写材料以甲骨为主,辅以竹木和青铜,后来多用竹简编成,笔用铁或用竹木蘸墨为书。秦朝蒙恬用兽毛作笔,柔软耐用,于是竹简逐渐改为缣帛。但竹简重,缣帛贵,总嫌不便和难于普及。公元二世纪汉代蔡伦总结了前人的经验,独出心裁,采用树皮麻头,以及破布鱼网,用 The production and function of photo archives Archives work with the development of production, scientific progress and continuous development and colorful. During the period of Shang Dynasty, the materials of the inscriptions were mainly oracle bone, supplemented by bamboo and bronze. Later, they were mostly made of bamboo slips. They were made of iron or bamboo dipped in ink. Qin Chao Meng Tian pen with animal hair, soft and durable, so bamboo slips gradually changed to silk. However, bamboo weight, silk expensive, are too inconvenient and difficult to popularize. In the second century AD, Cai Lun of the Han Dynasty summed up the experience of his predecessors and made his own contribution to the use of bark,