Cold Plasma Jet Array via Orifice Substrate
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Solution Overview
Problem
Current methods for generating cold plasma jets at atmospheric pressure are limited by the small size of the jets produced, requiring complex and expensive multi-electrode and multi-generator systems to treat larger surfaces, which are not suitable for targets with varying dimensions and aspect ratios.
Innovation Solution
A device and method that utilize a single plasma source and substrate with multiple orifices to generate a plurality of cold plasma jets, allowing treatment of targets of any size or shape, including dielectric or conductive materials, by directing a primary plasma jet through the orifices to produce secondary plasma jets, reducing the complexity and cost of the system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single plasma source is used to treat larger surfaces, then the system complexity is reduced, but the treatment area coverage is insufficient
Solution Approach 1:
The invention divides a single plasma jet into multiple smaller jets by passing it through a substrate with multiple orifices. This segmentation allows one plasma source to effectively cover a larger treatment area, resolving the contradiction between system complexity and treatment area coverage.
2Area of stationary object
If multiple plasma jets are generated using multi-electrode and multi-generator systems, then the treatment surface area is increased, but the device complexity and cost increase
Solution Approach 1:
The invention merges multiple plasma jets into a single plasma source that is divided through a substrate with multiple orifices. This combining approach achieves multi-jet treatment capability while maintaining a single generator system, thereby increasing treatment surface area without proportionally increasing device complexity.
Solution Approach 2:
The substrate with multiple orifices serves as a universal component that can distribute a single plasma jet to multiple treatment zones. This multi-functional element allows one plasma source to perform the work of multiple sources, increasing treatment area while controlling system complexity.
3Area of stationary object
If multiple plasma jets are generated using multi-electrode and multi-generator systems, then the treatment surface area is increased, but the system cost increases
Solution Approach 1:
The invention merges multiple plasma jets into a single plasma source that is divided through a substrate with multiple orifices. This combining approach achieves multi-jet treatment capability while maintaining a single generator system, thereby increasing treatment surface area without proportionally increasing device complexity.
4Area of stationary object
If the plasma jet is scanned over the surface to treat larger areas, then the treatment area coverage is increased, but the device complexity increases
Solution Approach 1:
The invention divides a single plasma jet into multiple smaller jets by passing it through a substrate with multiple orifices. This segmentation allows one plasma source to effectively cover a larger treatment area, resolving the contradiction between system complexity and treatment area coverage.
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
Enables the treatment of targets with diverse dimensions and aspect ratios using a single generator and plasma gas source, significantly reducing gas consumption and system complexity, while allowing for precise control over plasma distribution and application.
Implementation Method 1
A plasma is a phase of matter comprising charged particles, ions and electrons. Typically, it is an ionized gas, that is, a gas comprising free electrons which are not bound to an atom or a molecule.
Implementation Method 2
The invention relates more particularly to cold plasmas at atmospheric pressure.
Implementation Method 3
a jet of cold plasma at atmospheric pressure using a plasma source (10)
Data Source
Figure 1
Figure 2~3a
Figure 3b~3c
AI summary
The invention relates to a method (S) for generating a plurality of cold-plasma jets at atmospheric pressure in order to treat a target (2), wherein said method includes the following steps: producing (S1) a primary cold-plasma jet (3) at atmospheric pressure using a plasma source (10); placing (S2) a substrate (20, 21, 30, 32, 34) near the target (2) to be treated, said substrate (20, 21, 30, 32, 34) including at least two through-holes; and passing (S3) the plasma through the through-holes (22) of the substrate (20) such as to generate at least two secondary cold-plasma jets (4) at atmospheric pressure.