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1. US20120326636 - Accelerator system stabilization for charged particle acceleration and radiation beam generation

Office United States of America
Application Number 13134989
Application Date 22.06.2011
Publication Number 20120326636
Publication Date 27.12.2012
Grant Number 08803453
Grant Date 12.08.2014
Publication Kind B2
IPC
H05H 7/02
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY- CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
7Details of devices of the types covered by groups H05H9/-H05H13/102
02Circuits or systems for supplying or feeding radio-frequency energy
CPC
H05H 7/02
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
HPLASMA TECHNIQUE
7Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
02Circuits or systems for supplying or feeding radio-frequency energy
H05H 2007/022
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
HPLASMA TECHNIQUE
7Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
02Circuits or systems for supplying or feeding radio-frequency energy
022Pulsed systems
Applicants Eaton Douglas W.
Varian Medical Systems, Inc.
Chen Gongyin
Fox Timothy R.
Inventors Eaton Douglas W.
Chen Gongyin
Fox Timothy R.
Agents O'Connor Cozen
Sklar Brandon N.
Title
(EN) Accelerator system stabilization for charged particle acceleration and radiation beam generation
Abstract
(EN)

A method for generating stabilized particle acceleration by a radio-frequency (RF) accelerator is described, comprising operating the accelerator in a warm-up mode during a warm-up time period, without injecting charged particles or without accelerating injected charged particles, and operating the accelerator in a beam-on mode during a beam-on time period after the warm-up time period, to accelerate charged particles injected by the charged particle source. Automatic frequency control to match an expected frequency of the accelerator during the beam-on time period, prior to the start of the beam-on time period, for stability, is also described.