Laser cutting of wire-wound resistors: Theory and experiments

被引:3
|
作者
Atanasova, PA
Manolov, VP
机构
[1] Institute of Electronics, Bulgarian Academy of Sciences, Sofia 1784, 72, Tsarigradsko Shose Blvd.
关键词
D O I
10.1063/1.363093
中图分类号
O59 [应用物理学];
学科分类号
摘要
The present study discusses cw CO2-laser cutting of wire-wound resistors. Based on the three-dimensional mathematical model developed, we computed the evolution of the temperature field in the sample and the phase change, as functions of the laser beam power and processing speed. The temperature dependence of the thermophysical coefficients and the dependence of light-absorption coefficient on the laser beam angle on incidence are taken into account. Experimental results are presented for the minimum laser power that provides cutting of the sample at different speeds. A reasonable agreement between the experimental and theoretical results is found. (C) 1996 American Institute of Physics.
引用
收藏
页码:2003 / 2008
页数:6
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