1 Scope
This standard specifies the application level, performance requirements, quality assurance regulations, delivery regulations, etc. for single and double sided flexible printed boards (hereinafter referred to as flexible printed boards or FPCs). This standard applies to flexible printed boards using single or double sided polyester film or polyimide film copper clad laminates (including adhesive free types)
2 Normative References
The following documents are essential for the application of this document.
. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document GB/T 2423.17-2008 Environmental Testing for Electrical and Electronic Products, Part 2; Test Method Test Ka: Salt Spray GB/T 4677-2002 Test Methods for Printed BoardsGB/T 13555 Polyimide Film Copper Clad Sheet for Flexible Printed Circuits GB/T 13556 Polyester Film Copper Clad Sheet for Flexible Printed Circuits
GB/T 13557-2017 Test Methods for Flexible Copper Clad Sheet Materials for Printed Circuits GB/T 16261-2017 General Specification for Printed Boards
sJ20828 Test Graphics and Layout Plan for Qualification
3 Application Levels
Products specified in this standard It is divided into three application levels. Customers are responsible for specifying the level requirements for each product in their contracts or procurement documents, and if necessary, exceptions to specific parameters should be indicated. The specific classification is as follows:
a) Level 1: General electronic products
Products that have lower requirements for appearance but mainly require printed boards to have complete functions, including consumer products, certain computers and their external devices
b) Level 2: Durable electronic products
Non critical equipment products that require high performance, long service life, and uninterrupted operation, including communication equipment, complex commercial machines, and instruments.
c) Level 3: High reliability electronic products
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