GB/T 16920-1997
Replaced
GB/T 41805-2022
Active
National standards
GB/T 41805-2022 Methodology for the quantitative inspection of the defect on optics surface—Microscopic scattering dark-field imaging
GB/T 41805-2022 Methodology for the quantitative inspection of the defect on optics surface—Microscopic scattering dark-field imaging
Basic Information
Standard Code:
GB/T 41805-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Materials and components for instruments and meters
ICS Name:
\nGlass Composite
Publish Date:
2022-10-12
Implement Date:
2023-05-01
Pages:
15 pages
Scope
This document describes the detection principle, test conditions, instrumentation, samples, detection steps, test data processing, and detection reports for quantitatively detecting surface defects on optical components using microscopic scattering dark-field imaging. This document is applicable to the detection of the length, width, light-blocking area, and location of surface defects on flat, double-sided polished optical components.
Development Information
Referenced Standards
Related Standards
GB/T 6580-1997
Replaced
GB/T 6580-1997 Glass—Resistance to attack by a boiling aqueous solution of mixed alkali—Method of test and classification
GB/T 6582-1997
Replaced
GB/T 6582-1997 Glass—Hydrolytic resistance of glass grains at 98℃—Method of test and classification
GB/T 17129-1997
abolished_transferred
GB/T 17129-1997 Colourless optical glass test methods of chemical stability—Powder
GB 17762-1999
Replaced
GB 17762-1999 Safe and hygienic requirements of thermotolerant glass ware
GB/T 17763-1999
Active