ISO 11962:2002 Preview
Micrographics -- Image mark (blip) used with 16 mm and 35 mm roll microfilm
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
This International Standard specifies the location, size, and density of single-size image marks and small, medium, and large image marks recorded on 16 mm and 35 mm microfilm for use in image-mark retrieval systems. It applies to 16 mm and 35 mm microfilm used in a retrieval system, regardless of the method and equipment used to generate the original or duplicate microfilm.