Memory Module Retainer Mounting for High-Vibration Stability
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Solution Overview
Problem
Memory modules in computer systems, particularly in ruggedized environments, face issues with loosening or dislodging due to high vibration, leading to operational instability and potential errors.
Innovation Solution
A retainer system is used to secure memory modules in place within memory sockets, providing triple redundancy retention along the x, y, and z axes, using a retainer that attaches to the memory module and socket latches to stabilize the module during high vibration conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If memory modules are mounted in memory sockets without additional retention mechanisms, then the device complexity is reduced, but the reliability deteriorates under high vibration conditions causing modules to loosen or dislodge
Solution Approach 1:
The retention system is segmented into multiple independent retention points arranged along the memory module, with each point providing retention in specific directions. This segmentation allows the system to achieve comprehensive three-axis retention stability without requiring a single complex retention mechanism, thereby improving reliability while controlling device complexity
Solution Approach 2:
Different retention points are designed with locally optimized structures tailored to their specific functional requirements. Each retention point provides retention forces in particular directions based on local vibration patterns and mechanical stress distributions, enabling the overall system to achieve superior reliability through localized optimization rather than uniform complexity throughout
2Reliability
If traditional single-point retention mechanisms are used, then the device complexity is minimized, but the reliability deteriorates as the module can loosen or dislodge under vibration
Solution Approach 1:
The retention system transitions from traditional single-point retention to a distributed multi-point retention architecture that operates across three spatial dimensions. By arranging retention points along the memory module and configuring them to provide forces in x, y, and z directions, the system achieves comprehensive retention stability without proportionally increasing complexity, as each dimension is addressed independently at multiple locations
3Reliability
If multiple retention points are distributed along the memory module, then the reliability improves with triple redundancy, but the device complexity increases
Solution Approach 1:
The retainer structure is designed as a universal multi-functional component that simultaneously provides retention forces in multiple directions (x, y, and z axes) through its geometric configuration. This single retainer structure performs multiple retention functions that would otherwise require separate mechanisms, achieving triple redundancy reliability while minimizing the increase in device complexity through functional integration
Data Source
AI summary
A memory module operation system for operating in high stress environments with strong vibration. The application and use of a retainer to reduce and dampen the effects of system vibration and the application of dynamic loads can retain a memory module in place in a memory socket. Further, the retainer can operate to reduce the effects of electromagnetic interference and can act as a heat transport system to reduce thermal stress on components.