micrographics

/ˌmaɪkrəˈɡræfɪks/
noun
  1. The technology or process of producing very small images, such as microfilm or microfiche, for storage and retrieval.
    • Students learned about micrographics in their information science class.
    • The library used micrographics to preserve old newspapers.
    • Many companies switched from micrographics to digital scanning.