
1. Theme and Scope of Application
This standard specifies the relevant terms, models and naming, copper foil requirements, appearance, dimensions, test methods, mechanical processing, inspection rules, marking, packaging, transportation, and storage common requirements for copper clad laminates.
. This standard applies to copper clad laminates for printed circuits (hereinafter referred to as laminates) p>2 Referenced Standards
GB1844 Plastic and Resin Abbreviation Code
GB 2036 Printed Circuit Terminology and Definitions
GB 2828 Batch by Batch Inspection, Sampling Procedures and Tables (Applicable to Continuous Batch Inspection)
GB 2829 Periodic Inspection, Sampling Procedures and Tables (Applicable to Production Process Stability Inspection) GB/T4722 Test Methods for Copper Clad Laminates for Printed Circuits
GB 4723 Copper Clad Phenolic Paper Laminates for Printed Circuits
GB 4724 Copper Clad Epoxy Paper Laminates for Printed Circuits GB 4725 Copper Clad Epoxy Glass Cloth Laminates for Printed Circuits GB 5230 Electrolytic Copper Foil
3 Terminology
3.1 Copper Clad Face
Copper Foil Face of Copper Clad Board p>
3.2 Bonding surface
The surface of the foil plate after etching off the copper foil.
. 3.3 Laminated surfaceSingle sided foil coated board does not have a copper clad surface. 3.4 Cold punching
The punching process of the foil clad plate is carried out between the plate temperature of 20 ℃ and 60 ℃. 3.5 Hot punching
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China