Diamond-Particle Ceramic Heat Paths for Directed Heat Dissipation
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Solution Overview
Problem
Certain devices, such as electronics and laser systems, generate heat that is difficult to dissipate effectively, leading to potential danger and impaired functionality if not managed properly.
Innovation Solution
A heat management system comprising a ceramic body with channels or extension components filled with a material containing diamond particles, which have a higher thermal conductivity than the ceramic body, allowing for efficient heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional ceramic materials are used for heat management, then the device structure is simple and easy to manufacture, but the thermal conductivity is insufficient leading to poor heat dissipation
Solution Approach 1:
The patent applies composite materials by combining diamond particles with ceramic matrix materials to create a composite ceramic body. The diamond particles provide high thermal conductivity while the ceramic matrix maintains structural integrity and ease of manufacturing. This composite approach resolves the contradiction by achieving superior heat dissipation without significantly complicating the manufacturing process, as the composite can be formed using conventional ceramic processing techniques.
Solution Approach 2:
The patent implements local quality by creating regions with different diamond particle concentrations within the ceramic body. Areas requiring enhanced heat dissipation have higher diamond content, while other regions maintain lower diamond content for cost-effectiveness and manufacturing ease. This localized optimization allows the system to achieve high thermal conductivity where needed without uniformly increasing manufacturing complexity throughout the entire structure.
2Temperature
If diamond particles are added to enhance thermal conductivity, then heat dissipation efficiency improves, but the material cost and processing difficulty increase
Solution Approach 1:
The patent applies parameter changes by systematically varying the size, shape, and concentration of diamond particles within the ceramic matrix. By optimizing these parameters, the patent achieves high thermal conductivity while managing material cost and processing difficulty. For example, using a specific size range of diamond particles and optimizing their volumetric fraction allows maximizing heat dissipation performance while maintaining manufacturability and controlling complexity.
3Temperature
If uniform diamond distribution is used throughout the ceramic body, then thermal conductivity is maximized, but manufacturing precision and particle distribution control become more difficult
Solution Approach 1:
The patent applies preliminary action by pre-distributing diamond particles within the ceramic matrix before final sintering or processing. This pre-distribution step ensures uniform particle placement throughout the ceramic body, which maintains thermal conductivity while simplifying subsequent manufacturing steps. The preliminary distribution prevents particle aggregation and ensures consistent thermal properties throughout the material.
Solution Approach 2:
The patent utilizes porous materials by incorporating a porous structure within the ceramic body that facilitates uniform diamond particle distribution. The porous network provides pathways for particle dispersion and ensures even spacing throughout the material. This approach maintains high thermal conductivity while making the manufacturing process more controllable and precise, as the porous structure naturally guides particle placement.
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 system efficiently dissipates heat by transferring it in predetermined directions, enhancing safety and functionality of heat-generating devices.
Implementation Method 1
a material having a higher thermal conductivity than the ceramic body and including a plurality of diamond particles... transfer heat encountered by the heat management system in a predetermined direction
Data Source
Figure 1A~1D
Figure 1E~1F
Figure 1G~1H
AI summary
The present disclosure is directed to a heat management system that includes a ceramic body and a material having a higher thermal conductivity than the ceramic body, the material including a plurality of diamond particles. The material is arranged in a network of channels defined in a surface of the ceramic body and/or forms an extension component attached to the ceramic body.