SPR Heating Structure with Partitioning Walls
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Solution Overview
Problem
Existing heating technologies face inefficiencies in generating localized heat, particularly in aerosol generating devices, where uniform heating is challenging and energy distribution is not optimal.
Innovation Solution
A heating structure utilizing surface plasmon resonance (SPR) is developed, featuring a substrate with metal particles of varying sizes separated by a partitioning wall to prevent bonding and enhance heat generation, integrated into an aerosol generating device that includes a light source to optimize heat distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If metal particles are disposed closely to enhance heating efficiency, then heating efficiency is improved, but metal particles may bond together causing uneven heating
Solution Approach 1:
The patent introduces partitioning walls that divide the metal particle array into separate regions, preventing metal particles from bonding together while maintaining close spacing for efficient heating. This segmentation resolves the contradiction by allowing high particle density without agglomeration.
Solution Approach 2:
The partitioning walls act as intermediary structures between adjacent metal particles, physically separating them to prevent bonding while allowing optical fields to interact with multiple particles for enhanced heating efficiency.
2Power
If metal particles are allowed to bond to increase particle size, then SPR effect may be enhanced, but localized heating capability is reduced
Solution Approach 1:
The partitioning walls prevent metal particles from bonding into large aggregates, maintaining them as smaller discrete particles that can provide both strong SPR effects and localized heating capabilities through controlled light interaction.
Solution Approach 2:
The patent creates different zones with varying particle sizes and densities by using partitioning walls, allowing each region to optimize for either SPR effect strength or localized heating based on specific operational requirements.
3Ease of manufacture
If uniform metal particles are used to simplify manufacturing, then manufacturing complexity is reduced, but heating uniformity across different targets is compromised
Solution Approach 1:
The partitioning walls create defined regions where metal particles can be deposited with controlled size variations, allowing the structure to adapt to different heating requirements while maintaining relatively simple manufacturing processes.
Solution Approach 2:
The patent allows variation in metal particle size parameters within different regions defined by partitioning walls, enabling adaptation to different target materials and heating requirements without fundamentally changing the manufacturing approach.
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 enables localized and efficient heating of targets, maintaining or improving heating efficiency by utilizing SPR to generate heat through light interaction with metal particles, preventing agglomeration and ensuring consistent energy transfer.
Implementation Method 1
a heating structure configured to generate heat using surface plasmon resonance (SPR), wherein the heating structure may include a substrate, a plurality of metal particles disposed on the substrate and configured to generate heat by SPR
Data Source
AI summary
A heating structure configured to generate heat using surface plasmon resonance (SPR) includes a substrate, a plurality of metal particles disposed on the substrate and configured to generate heat by SPR, and a partitioning wall disposed between adjacent metal particles.