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《Journal of Zhejiang University(Natural Science)》 1993-01
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An analysis of thermal deformation of shadow mask

Jiao Mengcao Chu Xuanwen(Dept. of Information & Electronics )  
In this paper, by using the Galerkin finite element method,the temperature distribution of shadow mask and frame is found by solving the nonlinear expression of radiative heat transfer coupled with the conductive mode. The thermal deformation of mask and frame is calculated by using general structure and analysis programe SAP 84. Then the beam landing shift is given by the deviation of the electron beam path. The result shows good agreement with practice. More calculation has been done to analyze several factors which will influence beam landing shifts. These results are of value to the design of shadow mask.
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