Inspection and testing standards for electroplated products Inspection and certification services for factories and products

As a crucial step in the manufacturing of electronic components, the quality of electroplated terminals directly affects the reliability and service life of the products. To ensure that the electroplated terminals meet industry standards and quality certification requirements, establishing a professional inspection process is of utmost importance. This article will systematically introduce the inspection standards, testing methods, and certification requirements for electroplated terminals, providing a complete quality control guideline for enterprises. 
I. Film Thickness Inspection Certification System
1.1 Professional Certification of Inspection Equipment
Standardized inspection certification is carried out using a fluorescence film thickness meter (X-RAY) 
Establish a professional certification system for equipment calibration and maintenance 
Implement a periodic equipment accuracy verification system 
1.2 Standardization Certification of Testing Process
Daily Certification: Standardization of Startup Spectral Calibration 
Monthly Certification: Standardization of Crossline Calibration 
Weekly Certification: Programmed Calibration of Gold and Nickel 
Material compatibility certification: Select the corresponding test file based on the type of steel. 
1.3 Testing File Management Certification
Establish a standardized process for testing file management of new products 
Standardization certification of archive codes (e.g. Au-Ni-Cu series) 
Accurate record and certification of material composition 
II. Adhesion Test Certification Standards
2.1 Professional Certification for Testing Methods
Bending method certification: 
Use standard thickness copper sheet pads 
Standardized operation for 180-degree bending 
Microscopic observation standardization 
Tape method certification: 
Standardization selection of 3M tape 
90-degree vertical tearing standardization 
10x magnification microscope observation standardization 
2.2 Result determination certification criteria
Certification for the absence of metal powder falling phenomenon 
Certificate of no coating peeling phenomenon 
No cracking or peeling phenomenon certification 
No foam phenomenon certification 
No exposure of lower layer metal phenomenon certification 
2.3 Poor Analysis Professional Certification
Certification for Accurate Determination of Flaking Layer Location 
Standardization of coating thickness analysis 
Procedural workstation traceability systematization 
III. Weldability Inspection Certification System
3.1 Basic Welding Performance Certification
Standardized certification for direct tin plating method: 
Standardization of soldering agent application 
Standardization of tin furnace temperature at 235℃ 
25mm/s precise control of extraction speed 
10x magnification microscope inspection standardization 
3.2 Durability Performance Certification
Professional certification for steam aging test: 
8 - 16-hour aging standardization 
Simulation of harsh environments to achieve realism 
Verification of welding performance and durability 
3.3 Acceptance Criteria - Professional Certification
The area of tin consumption should be ≥ 95% standardized. 
Surface smoothness and glossiness certification 
Non-rejection and non-detachment welding inspection 
Defect-free pinhole certification 
IV. Appearance Quality Inspection Certification
4.1 Standardization Certification for Inspection Conditions
Observation with a magnifying glass of 10 times or more is standardized 
Standard white light source is vertically irradiated for standardization. 
Environmental Certification for Specialized Inspection Services 
4.2 Appearance Certification Standards
Uniformity of Color Intensity Professional Certification 
Pollutant-free adhesion certification 
Standardization test for dryness 
Professional assessment of surface smoothness 
No mechanical damage certification 
No exposure of the underlying layer certification 
4.3 Special Standards Management Certification
Certification of Compliance with Drawing Requirements 
Standardization of the QE Engineer's Decision-making Process 
Standardization of Limit Sample Management 
Standardization of appearance assistance system 
V. Packaging, Transportation, Inspection and Certification
5.1 Packaging Quality Certification
Standardized verification of packaging orientation correctness 
Certification of cleanliness of packaging containers 
Professional assessment of packaging integrity 
5.2 Label Management Certification
Label Information Integrity Certification 
Verification of Label Filling Accuracy 
Confirmation of consistency in the number of inner and outer labels 
VI. Special Environment Testing and Certification
6.1 Porosity Test Certification
Gold coating: Standardized by nitric acid vapor method 
Palladium-nickel plated products: Standardization of gel electrolysis method 
Test condition precise control certification 
6.2 Salt Spray Test Certification
Standardized Control of Test Environment 
Standardized management of test duration 
Result determination - Professional certification 
VII. Inspection and Certification Process Standards
7.1 Sampling Inspection Plan
Implement statistical sampling certification in accordance with the AQL standard 
The key performance items implement a full inspection certification system. 
Establish a complete quality traceability management system 
7.2 Equipment Certification for Testing
Regular calibration certification of testing instruments 
Verification of environmental standardization control 
Precise management of test conditions 
7.3 Defect Level Determination
Critical Defect: Any item that affects functionality is strictly prohibited. 
Serious defect: Major performance issue - strictly controlled 
Minor defect: The appearance flaws fall within the acceptable range as per the standards. 
VIII. Key Control Matters for Factory Inspection Certification
To ensure that the quality of the electroplated terminals continues to meet the certification requirements, during the factory inspection process, the following matters need to be given special attention: 
Electroplating process control certification: Establish an electroplating parameter monitoring system 
Pharmaceutical solution management certification: Regular quality inspection of electroplating solutions 
Equipment maintenance certification: Verification of regular maintenance of electroplating equipment 
Environmental Management Certification: Control of Workshop Temperature and Humidity 
Personnel qualification certification: Operators undergo professional training and obtain certificates. 
Inspection Certification Summary
The inspection and certification of electroplated terminal products is a highly technical and systematic project that requires comprehensive testing and certification from aspects such as film thickness accuracy, adhesion strength, and solderability. By establishing a professional inspection process and strict quality standards, enterprises can ensure that electroplated terminal products meet industry certification requirements, providing reliable electroplating solutions for electronic components.

Our "China HuiBang Focus" specializes in providing services such as product inspection and quarantine, testing and certification, supplier audits, audits, and factory inspections. We also offer international transportation, customs clearance, local delivery, etc. The main modes include international express delivery, dedicated lines, overseas warehouses, postal small packages, and sea/air transportation. At the same time, we can also provide various certifications such as CNCA certification, CBCA certification, Kuwait KUCAS certification, Saudi Arabia SASO customs clearance certification, SONCAP customs clearance certification, and Egyptian GOEIC customs clearance certification. If you need, you can contact us via WhatsApp at +86 15192763911 or +86 18561558189. We look forward to getting in touch with you.