Active Interposer Sensing for Shock-Resilient Memory Storage
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Solution Overview
Problem
Memory devices in electronic devices are susceptible to various shocks and environmental conditions that threaten their reliability, including wide temperature and humidity ranges, mechanical shocks, and electrical anomalies, which can degrade their performance and integrity.
Innovation Solution
A storage device incorporating a printed circuit board with a memory device, a storage controller, an active interposer containing sensors and strain gauges, which sense impacts and measure physical strain, allowing the controller to adjust operations based on sensed conditions to enhance reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the memory device is exposed to various shocks and environmental conditions (wide temperature range, wide humidity range, mechanical shocks, electrical shocks), then the memory device can operate in diverse environments, but the reliability of the memory device deteriorates
Solution Approach 1:
The patent applies preliminary action by installing sensors and strain gauges before environmental shocks occur. These components continuously monitor physical conditions (impact, temperature, humidity, electrical parameters) and provide advance warning signals to the storage controller, enabling preventive measures to be taken before damage occurs to the memory device
Solution Approach 2:
The patent implements feedback through a closed-loop monitoring system where sensors and strain gauges continuously measure environmental conditions and device state, transmit data to the storage controller, which then adjusts operations or alerts the host based on the feedback. This real-time feedback mechanism enables dynamic adaptation to changing environmental conditions while maintaining reliability
2Reliability
If sensors and strain gauges are added to monitor impacts and physical strain, then the reliability is improved through real-time monitoring, but the device complexity increases
Solution Approach 1:
The patent applies merging by integrating multiple monitoring functions (impact sensing, temperature monitoring, humidity sensing, electrical parameter monitoring) and the strain gauge measurement system into a single active interposer component. This consolidation reduces the number of separate discrete components needed and simplifies the overall device architecture while maintaining comprehensive monitoring capabilities
Solution Approach 2:
The active interposer serves multiple functions simultaneously: it acts as a mounting substrate for sensors and strain gauges, provides electrical interconnection between components, and functions as a signal routing platform. This multi-functionality reduces device complexity by eliminating the need for separate structural and functional components
3Reliability
If the storage controller dynamically adjusts memory device operations based on sensor signals, then the reliability under varying conditions is improved, but the control complexity increases
Solution Approach 1:
The patent applies dynamics by implementing adaptive control where the storage controller modifies memory device operating parameters in real-time based on sensor feedback. The controller dynamically adjusts operations such as read/write speeds, error correction levels, and power consumption according to monitored environmental conditions and physical strain levels, enabling consistent performance across varying conditions
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides enhanced reliability by dynamically controlling the memory device's operations in response to sensed impacts and strains, preventing degradation and ensuring consistent performance under varying conditions.
Implementation Method 1
a strain gauge disposed inside the active interposer, configured to measure a physical strain and provide a signal about the physical strain to the storage controller
Implementation Method 2
a sensor disposed inside the active interposer, configured to sense an impact, and provide a sensor signal of the impact to the storage controller
Data Source
AI summary
In some embodiments, a storage device includes a printed circuit board, a memory device coupled to the printed circuit board, a storage controller which controls the memory device and is coupled to the printed circuit board, an active interposer including a logic element coupled to the printed circuit board, a sensor disposed inside the active interposer and configured to sense an impact and provide a sensor signal of the impact to the storage controller, and a strain gauge disposed inside the active interposer and configured to measure a physical strain and provide a signal about the physical strain to the storage controller.