The Identification Methods and Application of the Refurbished Chips Packaged with Metal Lid
With the increasing demand for the reliability of electronic products,there is no tolerance for counterfeited and refurbished chip.The traditional counterfeit refurbishment judgment methods and criteria are mainly for plastic sealed devices,and the refurbishment identification methods and basis of metal capped chip are still blank in the industry.The identification methods for the refurbished chip with metal lid are developed based on the packaging structure,destructive physical analysis and relevant industry standards.According to the the cases in the previous refurbishment identification work,it is found that more than 90%of the refurbished chips with metal lid can be identified by the outline,types and colors of thermal interface materials.These results provide a very effective method for identification of refurbished chip,and lay a solid technical fundation for improving the reliability of electronic products manufacturing.
metal lid packagerefurbished chipsidentification methods of refurbished chipsreliability
万方数据
维普
