Memory Cooling Ducts for Centrally Located Hot Circuitry
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Solution Overview
Problem
Memory system components, particularly those with high operating temperatures, face challenges in effective cooling due to spatial constraints and the inefficacy of traditional cooling methods like heat sinks, which can be costly and complex, especially when components are centrally located and difficult to reach with external air.
Innovation Solution
Implementing physical ducts made of low thermal conductivity materials to direct cool air directly onto high-temperature components, providing insulation and improving airflow efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional cooling methods like heat sinks are used, then cooling capability is provided, but cost and device complexity increase
Solution Approach 1:
The patent introduces air ducts as intermediary structures that channel cooling air from external sources directly to heat-generating components. These ducts act as mediators between the cooling air source and the components, enabling effective heat dissipation without requiring complex active cooling systems or heat sinks, thus reducing device complexity while maintaining temperature control
Solution Approach 2:
The invention extracts the cooling function from integrated heat sinks and separates it into an independent airflow delivery system. By taking out the heat dissipation mechanism and replacing it with directed airflow through ducts, the system achieves cooling with simpler, more cost-effective components while maintaining or improving thermal management effectiveness
2Temperature
If heat sinks are used for cooling, then temperature control is achieved, but manufacturing cost increases
Solution Approach 1:
The patent replaces expensive, complex heat sink assemblies with simpler, lower-cost air duct structures. The ducts are designed as straightforward airflow channels that can be manufactured more economically than traditional heat sinks, achieving the same thermal management function at reduced manufacturing cost
Solution Approach 2:
The air ducts serve as cost-effective intermediary structures that provide thermal management through simple airflow direction rather than expensive heat dissipation hardware. This intermediary approach achieves temperature control using lower-cost materials and manufacturing processes compared to traditional heat sinks
3Area of stationary object
If components are located centrally on the PCB, then space utilization is improved, but accessibility for cooling air flow is reduced
Solution Approach 1:
The patent solves the accessibility problem by introducing vertical or three-dimensional airflow paths through ducts that can reach centrally located components from above or below the PCB plane. This dimensional approach allows cooling air to access centrally positioned heat-generating components without requiring peripheral placement, maintaining compact PCB layout while ensuring effective cooling delivery
4Temperature
If air is directed from outside the PCB to central components, then cooling effectiveness should improve, but air heating over distance reduces efficacy
Solution Approach 1:
The patent implements preliminary action by introducing cooling air sources at or near the PCB level, rather than relying on distant external air sources. The ducts are configured to draw in cooler air at the PCB location and deliver it directly to components, minimizing the distance air travels and the opportunity for it to heat up en route, thus maintaining cooling effectiveness
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
Enhances cooling efficacy and extends the operational lifespan of memory devices by ensuring effective temperature management and reducing thermal interference with surrounding components.
Implementation Method 1
one or more physical ducts including material having a first thermal conductivity that is less than a second thermal conductivity of one or more other materials in the memory system
Data Source
AI summary
Methods, systems, and devices for duct structures for cooling of memory system components are described. For example, a memory system may include multiple memory devices in a first region of the memory system. The memory system may also include circuitry within a second region of the memory system, which may be associated with management of memory device operations. In some examples, the circuitry may be associated with a high operating temperature. The memory system may also include one or more physical ducts made of a material associated with a thermal conductivity that is less than a thermal conductivity of one or more other materials in the memory system. The one or more physical ducts may extend, over a third region of the memory system and between the circuitry and a region associated with a temperature that is less than the operating temperature of the circuitry.