GB/T 18405-2008 Active National standards

GB/T 18405-2008 Micrographics—ISO character and ISO test chart No.1—Description and use

Publish Date: 2008-07-16 Implement Date: 2009-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 18405-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Library, archives, literature, and information work

ICS Name: Document imaging technology

Publish Date: 2008-07-16

Implement Date: 2009-01-01

Pages: 8 pages

Scope

This standard specifies the characteristics of ISO black and white characters and the ISO No.1 test chart, as well as their usage methods. This standard is applicable to the quality control of microfilm images generated by a given microfilm system and the potential readability of microfilm products produced using this system.

Development Information

Word Count: 12 Thousand words Pages: 8 pages

Replace the following standards

GB/T 18405-2001 Micrographics—ISO character and test chart No.1—Description and use

Referenced Standards

GB/T 321-2005 Preferred numbers—Series of preferred numbers GB/T 1543-2005 Paper and board—Determination of opacity (paper backing)—Diffuse reflectance method GB/T 6159.1-2003 Micrographics—Vocabulary—Part 1:General terms GB/T 6159.3-2003 Micrographics—Vocabulary—Part 3:Film processing GB/T 6159.4-2003 Micrographics—Vocabulary—Part 4:Materials and packaging GB/T 6159.5-2000 Micrographics—Vocabulary—Part 05:Quality of images,iegibility,inspection GB/T 6159.6-2003 Micrographics—Vocabulary—Part 6:Equipment GB/T 6159.22-2000 Micrographics—Vocabulary—Part 02:Image positions and methods of recording GB/T 6160-2003 Micrographics First generation silver-gelatin microforms of source documents—Density specifications and method of measurement ISO 5-2:2001 ISO 5-3:1995 ISO 5-4:1995

Adopt standards

ISO 446:2004

Related Standards

GB/T 7519-1987 Abolished

GB/T 7519-1987 Micrographics—Determination of residual thiosulphate in processed microfilm—Methylene blue method

Publish Date: 1987-03-25

GB/T 8987-1988 Replaced

GB/T 8987-1988 Micrographics—Test target of optical density measurement for microfilming negative

Publish Date: 1988-04-10

GB/T 8988-1988 Replaced

GB/T 8988-1988 Micrographics—Manufacture of test target for inspecting the quality of micrography of technical drawings

Publish Date: 1988-04-10

GB/T 8990-1988 Replaced

GB/T 8990-1988 Micrographics—Reflectance test target used in the test target for inspecting the quality of micrography of technical drawing

Publish Date: 1988-04-10

GB/T 12355-1990 Replaced

GB/T 12355-1990 Micrographics—Splices of microfilm with image

Publish Date: 1990-06-11

GB/T 12356-1990 Replaced

GB/T 12356-1990 Micrographics—Test object character and instruction for 16mm microfilm recorder

Publish Date: 1990-06-11