IS 10456 : 2003 Density of Silver-Gelatin Type Microforms - Specification

1 Scope

1.1 This standard specifies a method for measuring densities offirst generation silver-gelatin microforms. It specifies densityvalues for different types of documents.

1.2 It applies to source document negative-appearing microforms(light lines against a dark background).

1.3 It does not apply to microforms for technical drawings,which are dealt with in IS 12879 : Part 2 : 1999 `Microfilming oftechnical drawings and other drawing office documents: Part 2Quality criteria and control of 35 mm silver-gelatin microfilms,or to diazo and vesicular films or to COM microfilms.

2 References

IS 15027 Micrographics - Vocabulary :

     Part 1 : 2001/ISO 6196-1 :1993 Part 1 General terms

     Part 5 : 2001/ISO 6196-5 :1987 Part 5 Quality of images, legibility, inspection

     Part 6 : 2001/ISO 6196-6 :1992 Part 6 Equipment