Particle Beam Accelerator Intensity Control for Scanning Speed
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Solution Overview
Problem
Current particle beam treatment apparatuses face challenges in increasing scanning speed while maintaining appropriate intensity adjustment, leading to prolonged treatment times and potential decreased service life of the particle generation unit.
Innovation Solution
The apparatus incorporates an accelerator that virtually divides the irradiation target into layers, adjusts the particle beam intensity based on set parameters, and uses a damper to scrape part of the beam, allowing for appropriate intensity adjustment and increased scanning speed without prolonged irradiation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the particle generation unit operates at high intensity to cover maximum scanning speed requirements, then scanning speed can be increased, but the service life of the particle generation unit decreases and treatment time increases for low-intensity regions
Solution Approach 1:
The particle beam intensity is dynamically adjusted during scanning by controlling the particle generation unit's operating parameters in real-time based on the required intensity at each scanning position, rather than maintaining constant high intensity throughout
Solution Approach 2:
The operating parameters of the particle generation unit are changed according to the required beam intensity for different scanning positions, allowing intensity optimization without requiring maximum capacity operation
2Reliability
If the particle generation unit operates at high intensity, then sufficient beam intensity can be ensured, but treatment time increases and scanning speed decreases
Solution Approach 1:
The particle beam intensity is dynamically adjusted during scanning by controlling the particle generation unit's operating parameters in real-time based on the required intensity at each scanning position, rather than maintaining constant high intensity throughout
Solution Approach 2:
The operating parameters of the particle generation unit are changed according to the required beam intensity for different scanning positions, allowing intensity optimization without requiring maximum capacity operation
3Reliability
If the particle beam intensity is adjusted by scraping with a damper, then intensity can be reduced, but the adjustment range is limited to decreasing intensity only
Solution Approach 1:
The operating parameters of the particle generation unit are changed according to the required beam intensity for different scanning positions, enabling both increase and decrease of intensity through parameter adjustment rather than solely through damper scraping
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
This approach enables faster scanning with precise intensity control, reducing treatment time and extending the service life of the particle generation unit by optimizing beam intensity for each layer.
Implementation Method 1
an accelerator that generates the particle beam in an acceleration space
Implementation Method 2
the irradiation unit performs the irradiation while moving the position of particle beam irradiation with respect to the affected part by scanning with a scanning electromagnet
Implementation Method 3
an adjusting unit adjusting the intensity of the particle beam by bending the particle beam with a deflector
Implementation Method 4
an adjusting unit adjusting the intensity of the particle beam by bending the particle beam with a deflector and scraping a part of the particle beam with a damper
Data Source
AI summary
Provided is a particle beam treatment apparatus irradiating an irradiation target with a particle beam. The apparatus includes: an accelerator that generates the particle beam in an acceleration space; and an irradiation unit that virtually divides the irradiation target into a plurality of layers and irradiates each layer while performing scanning with the particle beam with a scanning electromagnet. The accelerator includes a particle generation unit generating particles that are to accelerate in the acceleration space, and the accelerator sets a parameter of the particle generation unit based on at least one of the layers of the irradiation target and adjusts an intensity of the particle beam based on the set parameter.