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The Role of Microfilm in Digital Preservation

Authors: John Baker, IDMi (Information & Document Management international), Heather Brown, Walter Cybulski, New York State Newspaper Project / U.S. Newspaper Program, Andy Fenton, New Zealand Micrographic Services (NZMS), John Glover, Alpha Data Imaging, Paul Negus, The Microfilm Shop, Jonas Palm, National Archives of Sweden,

In the last few years there have been some exciting new software and equipment developments that allow for the fully integrated use of microfilm as a digital preservation strategy within the lifecycle model.To maximise its potential, microfilm should be considered and integrated with the range of digital preservation strategies as a long term, trusted storage option from the point of creation and throughout the life cycle of the digital asset.

Drawing on a risk management perspective, this instalment will introduce the role that microfilm and particularly COM (computer output microfilm) can play in digital preservation. It will provide some international examples of current and best practice, comment on ongoing developments in the uses of microform for extended term analog preservation of digital data, and highlight some technical issues relating to standards.

Key Points

  • risk management

  • authenticity, trusted digital repositories  and integration with the lifecycle  approach

  • cost benefits analysis

  • technical issues: standards, technical measurement of devices, film choice, handling considerations, storage, ensuring 500 years permanence is achievable

  • training