Ion Pump System Using Modular Electrodes and Magnetic Shielding
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Solution Overview
Problem
Conventional ion pumps are large, heavy, consume high power, and have low connectivity with other devices, requiring costly magnetic shielding to be immune to electromagnetic fields, while also emitting gases from ceramics, leading to reduced vacuum quality and limited mobility.
Innovation Solution
A lightweight, low-power ion pump system with multiple electrode layers and adjustable drive modes, using cylindrical permanent magnets to generate magnetic fields and reduce electromagnetic interference, allowing for independent operation of pump parts and improved connectivity with other devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional ion pumps use many insulators such as ceramics to obtain insulation between electrodes, then insulation is achieved, but gases are emitted from ceramics, lowering vacuum degree
Solution Approach 1:
The patent extracts and removes the ceramic insulators from the ion pump structure, replacing them with a magnetic shield that serves both shielding and insulation functions, thereby eliminating gas emission from ceramics while maintaining electrode insulation
Solution Approach 2:
The magnetic shield is designed to perform multiple functions simultaneously: it provides electromagnetic shielding, acts as a structural support, and serves as an insulator between electrodes, eliminating the need for separate ceramic insulator components
2Reliability
If conventional ion pumps are designed with sufficient vacuum capacity, then they are large and heavy, but this makes them difficult to move and reduces connectivity with other devices
Solution Approach 1:
The ion pump is divided into modular segments including a pump body, magnetic shield, and electrode assemblies that can be independently manufactured and assembled, reducing overall weight while maintaining vacuum capacity through optimized distributed magnetic fields
Solution Approach 2:
The patent employs composite material structures, particularly using lightweight aluminum alloys for the magnetic shield and pump body, combined with thin-film electrode materials, achieving high vacuum capacity with reduced weight
3Object-affected harmful factors
If conventional ion pumps require magnetic field shielding to make space insusceptible to electromagnetic fields, then electromagnetic immunity is achieved, but cost increases
Solution Approach 1:
The magnetic shield is designed to simultaneously provide electromagnetic shielding, structural support, and electrode insulation functions, eliminating the need for separate magnetic shielding components and reducing manufacturing cost
Solution Approach 2:
The patent merges the magnetic shield with the pump body structure, integrating electromagnetic shielding functionality into the existing structural framework rather than adding separate shielding layers, thereby reducing overall cost
4Device complexity
If conventional ion pumps use fixed electrode configurations, then structure is simple, but adaptability to different uses is limited
Solution Approach 1:
The patent implements adjustable electrode configurations where electrodes can be repositioned or reconfigured based on different vacuum requirements and applications, transforming a static structure into a dynamic, adaptable system
Solution Approach 2:
The electrode system is segmented into independently controllable units that can be selectively activated or repositioned, allowing flexible adaptation to different vacuum conditions and applications without requiring complete system replacement
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 achieves high air-exhausting and vacuum-maintaining capacity, reduces electromagnetic interference, and enhances connectivity with other devices at a lower cost, enabling efficient and flexible operation.
Implementation Method 1
cylindrical permanent magnets arranged at intervals in the longitudinal direction of a casing (1) for applying a magnetic field within the casing (1)
Implementation Method 2
a first electrode (2a) and a second electrode (3a) having different polarities
Implementation Method 3
electrons are spirally moved by means of a magnetic field, residual gas molecules are collided with electrons that are spirally moving and are ionized
Data Source
Figure 1~2
Figure 3~5
Figure 6~10
AI summary
It is an object of the present invention to provide an ion pump system etc. having a high air-exhausting capacity and vacuum-maintaining capacity and capable of adjusting drive modes suitable for the uses thereof. The subject problem is solved by an ion pump system (7) comprising a casing (1), a first electrode group (2a,2b) provided in the casing (1), a second electrode group (3a,3b) provided on the outer periphery of the first electrode group (2a,2b), and outer magnets (4) for providing a magnetic field in the casing, wherein the first electrode group (2a,2b) and the second electrode group (3a,3b) are constituted as a plurality of layers alternately disposed around the center axis (11) of the casing (1).