SMTnet Express, September 23, 2021, Subscribers: 26,674, Companies: 11,444, Users: 26,860 Micro-Sectioning of PCBs for Failure Analysis Micro-sectioning (sometimes referred to as cross-sectioning)is a technique, used to characterize
to as cross-sectioning)is a technique, used to characteriz
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/leadfree.pdf
°C N2 Good Wetting with Grainy Surface Finish PROPRIETARY AND CONFIDENTIAL INFORMATION Pages: 11 of 24 Rev Level: 1 Rev Date: 1/03/01 Test # 3 Thin Intermetallic Layer No Voids BGA Cross Section Material
Heller 公司 | http://hellerindustries.com.cn/Vacuum-Void-Reduction-Reflow.pdf
(thermal fatigue reliability) by 23%. The photomicrographs taken from orthogonal cross sections of failed thermal cycling samples show that microvoiding and its effects on crack propagation are not always evident or easy to detect using
