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Preservation Imaging Records Management Division

Preservation Imaging Records Management Division. M icrofilm. Master Negative. Printing Master. Service Copy. M aster Negative. Microfilm. Printing Master. Service Copy. Master Negative The film that is in the camera at the time of filming.

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Preservation Imaging Records Management Division

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  1. Preservation Imaging Records Management Division

  2. Microfilm Master Negative Printing Master Service Copy

  3. Master Negative Microfilm Printing Master Service Copy • Master Negative • The film that is in the camera at the time of filming. • It is duplicated once to make the printing master, and thereafter kept in "archival" storage as a permanent security copy. • It is also called “Camera negative”, “Silver master/negative”, “Original silver”, and “First-generation film.”

  4. Master Negative Microfilm Printing Master Service Copy • Silver-gelatin film • They will remain stable for 500 years IF processed/stored according to ANSI. • Only Silver-gelatin films are appropriate for the master and the printing master.

  5. Master Negative Microfilm Printing Master Service Copy • How can you tell if it is master? Why not Wayne? Ask Christy! How about Kim?

  6. Printing Master Microfilm Master Negative Service Copy • Printing Master • A duplicate made directly from the master negative • It should be kept in archival storage. It is used to make all subsequent copies. • It is also called “Duplicate negative”, “Printing negative”, “Silver copy/dupe”, and “Second-generation film.”

  7. Printing Master Microfilm Master Negative Service Copy Cross Section of Silver-Gelatin Film Reduce scratching & staining Capture the image Scratches easily Source: Micrographic Film Technology, 4th ed.

  8. Printing Master Microfilm Master Negative Service Copy • How can you tell if it is Printing master? Look at the film, silly!

  9. Service Copy Microfilm Master Negative Printing Master • Service Copy • Positive or negative copies subsequently available for research and lending. • It is also called “Use copy”, “Dupe”, and “Diazo.”

  10. Service Copy Microfilm Master Negative Printing Master • Diazo film • It must be polyester based. • Generally appears blue or near-black. • It is vulnerable to fungal attack. • It may suffer significant damage upon exposure to light for more than 3 hours in readers.

  11. Service Copy Microfilm Master Negative Printing Master • Vesicular film • It is polyester based. • Sign-reversing: if the master is negative-appearing, the vesicular copy will be positive-appearing. • It doesn’t develop redox.

  12. Service Copy Microfilm Master Negative Printing Master • How can you tell if it is service copy? Duh~ Read a label on the box

  13. Hands-on: Let’s Get Our Hands Dirty!

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