一种 Snake 算法在PCB板SEM分析中的应用

游培寒; 肖圣敏; 祝逢春; 葛贤坤

doi:10.15892/j.cnki.djzdxb.2010.03.050

弹箭与制导学报 >

2010 , Vol. 30 >Issue 3: 251 - 252

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2010.03.050

摘要

测量电路板焊接界面IMC厚度是电子器件扫描电子显微镜(SEM)分析的重要环节。文中采用Snake算法检测IMC介质边缘,再测算其厚度,该算法测定边缘准确方便,应用于某型空地导弹电子部件可靠性试验,得到了较好效果。

关键词： Snake 算法; SEM; IMC; 空地导弹

本文引用格式

游培寒 , 肖圣敏 , 祝逢春 , 葛贤坤 . 一种 Snake 算法在PCB板SEM分析中的应用[J]. 弹箭与制导学报, 2010 , 30(3) : 251 -252 . DOI: 10.15892/j.cnki.djzdxb.2010.03.050

Abstract

Scanning electron microscope (SEM) analysis is an important method of calculating reliability of PCB. It detects the inter-metallic compounds'(IMC)thickness of PCB to get its life span. In this paper, the Snake algorithm was used to detect the IMC boundary and get its thickness. The new algorithm is proper and convenient. it was used in some air-to-ground missile PCB relia-bility analysis, and a good measurement result was obtained.

Key words： Snake algorithm; scanning electron microscope; inter-metallic compounds; air-to-ground missile

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