GB/T 45505.2-2025 Active National standards

GB/T 45505.2-2025 Test method of flat panel display glass substrate—Part 2:Surface properties

Publish Date: 2025-08-01 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 45505.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Electronic devices and specialized materials, parts, and structural components

ICS Name: Special materials for electronic technology

Publish Date: 2025-08-01

Implement Date: 2026-02-01

Pages: 12 pages

Scope

This document describes the method of measuring the surface roughness and wave pattern of flat panel display substrate glass using a stylus surface roughness tester.
This document is applicable to substrate glass used in flat panel displays.

Development Information

Word Count: 13 Thousand words Pages: 12 pages

Same series standard

GB/T 45505.1-2025 Test method of flat panel display glass substrate—Part 1:Appearance and geometric dimensions GB/T 45505.3-2025 Test method of flat panel display glass substrate—Part 3:Thermal properties GB/T 45505.4-2025 Test methods of flat panel display glass substrate—Part 4:Mechanical properties GB/T 45505.5-2025 Test method of flat panel display glass substrate—Part 5:Photoelectric performance

Replace the following standards

GB/T 32642-2016 Flat panel displays glass substrate surface roughness measurement method GB/T 32643-2016 Flat panel displays glass substrates surface waviness measurement method

Referenced Standards

GB/T 10610-2009 Geometrical Product Specifications(GPS)—Surface texture:Profile method—Rules and procedures for the assessment of surface texture GB/T 32639-2016 Terminology for flat panel display glass substrates

Related Standards

GB/T 2413-1981 Active

GB/T 2413-1981 Piezoelectric ceramic materials—Measuring methods for determination of volume density

Publish Date: 1980-12-31

GB/T 3389.4-1982 Replaced

GB/T 3389.4-1982 Test methods for the properties of piezoelectric ceramics—Longitudinal length extension vibration mode for rod

Publish Date: 1982-12-30

GB/T 5594.1-1985 Active

GB/T 5594.1-1985 Test methods for properties of structure ceramic used in electronic components—Test method for gas-tightness

Publish Date: 1985-11-27

GB/T 5594.2-1985 Active

GB/T 5594.2-1985 Test methods for properties of structure ceramic used in electronic components—Test method for Youngs elastic modulus and Poisson ratio

Publish Date: 1985-11-27

GB/T 5594.3-1985 Replaced

GB/T 5594.3-1985 Test methods for properties of structure ceramic used in electronic components—Test method for mean coefficient of linear expansion

Publish Date: 1985-11-27

GB/T 5594.4-1985 Replaced

GB/T 5594.4-1985 Test methods for properties of structure ceramic used in electronic components—Test method for dielectric loss angle tangent value

Publish Date: 1985-11-27