Ceramic-Reinforced Composite Enclosure for Wireless Devices
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Solution Overview
Problem
Modern portable electronic devices require enclosures that balance electromagnetic, optical, and mechanical properties for wireless communication and charging systems, while traditional enclosures often fail to provide adequate toughness and dielectric constants.
Innovation Solution
A composite enclosure component is developed using a porous ceramic structure embedded in a glass-based matrix with metallic nanoparticles, which enhances toughness and dielectric properties, and imparts specific optical and electromagnetic properties suitable for wireless communication and charging systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a glass-based matrix material is used for the enclosure, then optical properties and ease of manufacture are improved, but mechanical toughness is insufficient
Solution Approach 1:
The patent employs a composite material consisting of a glass-based matrix material combined with a porous ceramic structure. The glass matrix provides ease of manufacture and optical properties, while the embedded porous ceramic structure enhances mechanical toughness and impact resistance. This composite approach allows the enclosure to achieve both manufacturability and improved mechanical strength simultaneously.
2Strength
If a porous ceramic structure is added to enhance toughness, then mechanical properties are improved, but dielectric constant increases
Solution Approach 1:
The porous ceramic structure is selectively embedded within the glass-based matrix rather than using it as the primary material throughout. This local reinforcement approach provides toughness enhancement only where needed for impact resistance, while the majority of the enclosure maintains the low dielectric constant characteristics of the glass matrix, thus preserving dielectric properties for wireless communication.
Solution Approach 2:
The patent utilizes a porous ceramic structure with controlled porosity that provides mechanical reinforcement while maintaining a lower overall dielectric constant compared to dense ceramic materials. The porous nature reduces the dielectric constant while still providing the toughness benefits of ceramic reinforcement.
3Illumination intensity
If metallic nanoparticles are embedded to improve optical properties, then color and transmission are enhanced, but manufacturing complexity increases
Solution Approach 1:
The metallic nanoparticles are incorporated during the formation of the glass-based matrix material, combining multiple functions (optical properties, structural integrity) into a single integrated material system. This eliminates the need for separate nanoparticle deposition steps and reduces manufacturing complexity compared to post-processing approaches.
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 composite enclosure component provides a balance between toughness and dielectric properties, ensuring compatibility with internal components of wireless communication and charging systems, while also offering customizable optical properties and impact resistance.
Implementation Method 1
The nanoparticles are metallic nanoparticles configured to impart a color to the glass-based matrix
Implementation Method 2
the composite material includes a porous ceramic structure at least partially embedded in a glass-based matrix
Implementation Method 3
all or part of the enclosure component may be configured to have dielectric properties suitable for use over a component of a wireless communication system
Data Source
AI summary
A composite enclosure component for an electronic device is disclosed. The composite enclosure component is formed at least in part from a composite material that includes a porous ceramic structure at least partially embedded in a glass-based matrix. The glass-based matrix includes one or more sets of nanoparticles that impart a color to the composite enclosure component.