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Method suitable for electron beam radiation processing operation identification

A technology of electron beam radiation and simulated materials, which is applied in the field of electron beam radiation processing operation appraisal, can solve the problems of complex, inability to provide reliable basis for radiation processing technology, low precision, etc., and achieve high efficiency, high reliability, and simple calculation Effect

Active Publication Date: 2012-06-27
CGN DASHENG ELECTRON ACCELERATOR TECH
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Problems solved by technology

[0003] Existing methods for operating identification of simulated materials and measuring depth distribution are relatively complicated and have low precision, which cannot provide a reliable basis for radiation processing technology. Moreover, these existing methods, in the next measurement, the maximum, The minimum dose distribution needs to be remeasured again

Method used

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Embodiment Construction

[0018] The present invention will be further described below in combination with specific embodiments.

[0019] A method suitable for operation qualification of electron beam radiation processing, comprising the steps of:

[0020] (1) Prepare 3 sets of equivalent density simulation materials;

[0021] (2) In the simulated material, place a group of dose sheets at intervals of 4cm in height, and the horizontal distance between two adjacent dose sheets of the same group of dose sheets is 20cm;

[0022] (3) Place a conventional dosimeter at any fixed position of the simulated material;

[0023] (4) The three groups of simulated materials are irradiated by electron beams;

[0024] (5) Use an ultraviolet spectrometer to read the values ​​on each dose tablet and conventional dosimeter, and calculate the average value of the maximum dose distribution, minimum dose distribution, and conventional dosimeter dose distribution of the three groups of simulated materials, and based on th...

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Abstract

The invention discloses a method suitable for electron beam radiation processing operation identification. The method comprises the steps of: (1) preparing 3 groups of equivalent-density simulation materials; (2) placing dose tablets in the simulation materials; (3) disposing a routine dosimeter in a specific place of the simulation material; ( 4 ) subjecting the 3 groups of simulation materials to electron beam irradiation; ( 5) reading the values of each group of the dose tablets and the routine dosimeter, and calculating related proportional coefficients; and (6 ) calculating the average value of dose distribution of all dose tablets on one layer of the 3 groups of simulation materials, and drawing a dose depth distribution map. The method of the invention solves the problems of poor uniformity of simulation materials, great uncertainty of depth dose distribution, large errors in the obtained proportional coefficients between the routine dosimeter and a maximum, minimum dose.

Description

technical field [0001] The invention relates to a method suitable for operation appraisal of electron beam radiation processing, which belongs to the technical field of radiation processing. Background technique [0002] In the field of radiation processing, it is an essential process to use simulated materials of equivalent density for operation qualification and to measure the depth dose distribution of the material to be processed. The relevant parameters of the simulated material obtained according to the measurement can provide reliable information for radiation processing in accordance with. [0003] Existing methods for operating identification of simulated materials and measuring depth distribution are relatively complicated and have low precision, which cannot provide a reliable basis for radiation processing technology. Moreover, these existing methods, in the next measurement, the maximum, The minimum dose distribution needs to be re-measured. Contents of the i...

Claims

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Application Information

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IPC IPC(8): G01N23/00
Inventor 朱南康
Owner CGN DASHENG ELECTRON ACCELERATOR TECH
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