This group standard specifies the terms and definitions, product classification, requirements, test methods, inspection rules and marking, packaging, transportation and storage of high-density interconnected multi-layer printed circuit boards. Technical requirements specify dimensional tolerances, appearance quality, electrical properties, physical properties, mechanical properties, and environmental performance. Dimensional tolerances and appearance quality are determined according to the company's actual conditions. The electrical properties, physical properties, mechanical properties and environmental performance are determined in accordance with the relevant requirements of the industry standard IPC-6012E-2020 "Qualification and Performance Specification for Rigid Printed Boards".
T/JSQA 140-2022 history
2022T/JSQA 140-2022 High pressure antibacterial refractory decorative board