Scope
This part of GB/T 12859 specifies the terminology and test methods for piezoelectric ceramic resonators used in oscillation circuits in electronic equipment This section provides the standard terminology inspection procedures and test methods used in the electronic component quality assessment system and its sub specifications and blank detailed specifications for qualification approval
Normative references (partial)
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 documentGB/T 2421.1-2008 Overview and Guidelines for Environmental Testing of Electrical and Electronic Products (IEC 60068-1; 1988, IDT)
GB/T 2423.1-2008 Environmental Testing of Electrical and Electronic Products Part 2: Test Methods Test A: Low Temperature (IEC 60068-2-1:2007, IDT)
GB/T 2423.2-2008 Environmental Testing of Electrical and Electronic Products Part 2: Test Methods Test B; High temperature (IEC 60068-2-2:2007, IDT)
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