1 Scope
This International Standard specifies the characteristics of the black and white ISO character and of the ISO test chart No. 1, as well as their use.
It applies to the quality control of the microimages produced with a given micrographic system and the assessment of the potential legibility of the documents recorded using that system.
BS ISO 446:2004 history
2006BS ISO 446:2006 Micrographics - ISO character and ISO test chart No 1. Description and use
2006BS ISO 446:2004 Micrographics. ISO character and ISO test chart No 1. Description and use