[Analysis Case] Evaluation of Dopant and Carrier Concentration Distribution in Power Devices
Evaluation of activation rate is possible through composite analysis.
By comparing the impurity concentration distribution obtained from SIMS with the carrier concentration distribution from SRA, not only can we understand the activation state of the dopants, but the presence of unknown impurities and inherent structural issues are also suggested in areas that do not align. Using Profile Viewer, it is possible to overlay and analyze SIMS data and SRA data on your own. As an example, we will introduce a case where SIMS and SRA were performed on a commercially available diode chip, specifically on the central part of the surface and the outer edge (Figure 1) as well as the backside after the package was opened.
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Analysis of power devices.
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MST is a foundation that provides contract analysis services. We possess various analytical instruments such as TEM, SIMS, and XRD to meet your analysis needs. Our knowledgeable sales representatives will propose appropriate analysis plans. We are also available for consultations at your company, of course. We have obtained ISO 9001 and ISO 27001 certifications. Please feel free to consult us for product development, identifying causes of defects, and patent investigations! MST will guide you to solutions for your "troubles"!