Storage Device Current Control for Low-Temperature Leakage
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Solution Overview
Problem
Storage devices experience characteristic degradation and increased failure rates at low temperatures due to leakage currents, which are not effectively managed by existing technologies.
Innovation Solution
Incorporating a memory device with a leakage current information storage and a current controller that manages current consumption based on temperature ranges to maintain operation within a leakage current margin, generating heat to prevent degradation and failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the storage device operates at low temperatures, then energy consumption is reduced, but leakage current increases causing characteristic degradation and failure
Solution Approach 1:
The patent changes the operating parameters by dynamically adjusting current consumption levels based on temperature conditions. The memory controller modifies operational parameters such as command sequences and timing to compensate for leakage current effects at low temperatures, thereby maintaining device reliability while operating in cold environments.
Solution Approach 2:
The patent implements feedback mechanisms where the memory controller continuously monitors device status and adjusts operations accordingly. By detecting temperature conditions and leakage current characteristics, the system feedback-adjusts command execution to prevent characteristic degradation and maintain reliable operation at low temperatures.
2Productivity
If the storage device is designed for high performance, then speed and capacity are improved, but susceptibility to leakage current effects increases at low temperatures
Solution Approach 1:
The patent applies preliminary actions by pre-compensating for leakage current effects before they cause damage. The memory controller performs preliminary adjustments to command sequences and operational timing when low temperature conditions are detected, preventing characteristic degradation before it affects storage performance.
Solution Approach 2:
The patent introduces intermediary mechanisms between the high-performance storage operations and the harmful leakage current effects. The memory controller acts as an intermediary that translates high-performance commands into temperature-compensated operations, shielding the storage device from leakage current impacts while maintaining productivity.
3Quantity of substance
If the storage device uses advanced memory technology, then capacity and density are increased, but manufacturing precision requirements become more stringent at low temperatures
Solution Approach 1:
The patent adjusts operational parameters to compensate for temperature-induced variations in advanced memory processes. By dynamically modifying command sequences, timing parameters, and voltage levels based on temperature conditions, the system maintains manufacturing precision requirements even as temperature varies, enabling high-capacity storage devices to operate reliably in cold environments.
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
Prevents characteristic degradation and reduces failure rates in storage devices by controlling current consumption and heat generation within defined margins, thereby stabilizing device performance at low temperatures.
Implementation Method 1
a current consuming component configured to generate heat by consuming a current
Data Source
AI summary
A storage device is provided which is capable of preventing characteristic degradation of the storage device at low temperature and reducing a failure. The storage device includes a memory device; a leakage current information storage for storing information associated with a leakage current generated based on a temperature range of the memory device; and a current controller for controlling the current internally consumed, based on the information associated with the leakage current, when a current temperature of the memory device is equal to or lower than a first temperature.