电子元件.电子元件的长期存储.实施指南

[中文适用范围]： 该公开规范（PAS）首先是长期存储（五年以上）方法的实用指南，总结了行业现有的实践。除非另有说明，该方法以及所提出的方法适用于所有电子元件系列，例如无源元件，包括石英晶体、连接器和继电器。然而，具有显示有效期或特定存储条件的“制造商”规格的组件不包括在本文件中（例如原电池、存储电池等）； > 硅 [Si] 或砷化镓 [GaAs] 技术的封装或非封装有源元件； > 微电子组件。 [外文原描述]： This PAS applies to the long-duration storage of electronic components. Although it has always existed to some extent, obsolescence of electronic components, and particularly integrated circuits, has become increasingly intense over the last few years. Indeed, with the existing technological boom, the commercial life of a component has become very short compared with the life of industrial equipment such as those encountered in the aeronautical field, the railway industry or the energy sector. The many solutions enabling obsolescence to be resolved are now identified. However, selecting one of these solutions must be preceded by a case-by-case technical and economic feasibility study, depending on whether storage is envisaged for field service or production, for example: - remedial storage as soon as components are no longer marketed - preventive storage anticipating declaration of obsolescence Taking into account the expected life of some installations, sometimes covering several decades, the qualification times, and the unavailability costs, which can also be very high, the solution to be adopted to resolve obsolescence must often be rapidly implemented. This is why the solution retained in most cases consists in systematically storing components which are in the process of becoming obsolescent. The technical risks of this solution are, a priori, fairly low. However, it requires the perfect mastery of the implemented process, and especially of the storage environment, although this mastery becomes critical when it comes to long-term storage. All handling, protection, storage and test operations must be performed according to the state of the art.