Micrographics; Manufacture of test target for inspecting the quality of micrography of technical drawings

This standard specifies the production method and material requirements for testing the holding capacity of technical drawings microfilm. The test plate is suitable for testing the resolution and clarity of microfilm. GB/T 8988-1988 Microfilm technology Testing of technical drawings Microfilm quality test plate production GB/T8988-1988 standard download decompression password: www.bzxz.net
This standard specifies the production method and material requirements for testing the holding capacity of technical drawings microfilm. The test plate is suitable for testing the resolution and clarity of microfilm.

National Standard of the People's Republic of China
Micrographics-- Manufactwre of test target for inspecting the quallty ofmicrography of technical drawings1 Subject content and scope of application
UDC 778.14www.bzxz.net
GB 8988—88
This standard specifies the method and material requirements for the manufacture of test targets for inspecting the quallty ofmicrography of technical drawings. The test targets are suitable for inspecting the resolution and clarity of microphotography.
2 Manufacture of test targets
2.1 The base of the test target must be made of dimensionally stable white matte material with an area of ​​(39.6 mm × R) × (28.0 mm × R). Paste the No. 1 or No. 2 test chart, gray plate, shrinkage test tape and shrinkage digital card on the base. The size and layout are shown in the figure. Note: Test chart No. 1 is used for standard sheets with a surface size larger than (including) A4. Test No. 2 will be conducted in accordance with the requirements of B6161-85 "Micrographic Technology 2 Test Chart Characteristics and Its Application in Micrographics".
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