四探针薄层电阻测试仪的电路原理作者:李斌来源:《河南科技》第 14 期 摘 要:四探针薄层电阻测试仪含有量程选择方便、恒流源电流可调及数据读出快速、稳定的特点
因此,本文结合半导体制程中扩散层薄层电阻测量的实际需要,介绍了四探针薄层电阻测试仪的测试原理和电路原理,以期为有关学者的研究提供参考
核心词:薄层电阻;扩散层;PN 结 中图分类号:TN407 文献标记码:A 文章编号:1003-5168()14-0045-03 Circuit principles of Four probe sheet resistance tester for Semiconductor diffusion layer LI Bin (Guangzhou Semiconductor Materials Research Institute ,Guangzhou Guangdong 510610) Abstract : The four probe thin layer resistance tester has the characteristics of convenient range selection , adjustable current source current and fast and stable data reading
Therefore , this paper introduced the testing principle and circuit principle of the four probe thin layer resistance tester with the practical needs of the thin layer resistance measurement of the diffusion layer in the semico