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Author:

Zhao, Libo (Zhao, Libo.) | Dai, Yanwei (Dai, Yanwei.) | Qin, Fei (Qin, Fei.)

Indexed by:

EI Scopus SCIE

Abstract:

Bonding strength of sintered nano silver (Ag) joints has been an important index for evaluating the reliability of power module packages, which has been reported to be influenced by many factors. However, it is hard to evaluate and predict those factors affecting bonding strength. With the help of artificial intelligence (AI), the utilization of AI tools to assist in finding science solutions has become a mainstream consensus. In this paper, we will show how to evaluate and predict those sintered nano Ag-Al bonded joints bonding strength with deep learning (DL) methods. Firstly, a reliable extended dataset was obtained using the Conditional Tabular Generative Adversarial Networks (CTGAN) based on the dataset of sintered Ag-Al interface shear strength with four different metallization layers under different high-temperature aging time with die shear test. Subsequently, four DL models were adopted to predict the shear strength of Ag-Al interface under different metallization layers to evaluate the interface bonding strength, all with high level of determination coefficient (R2, above 0.99) and classification accuracy (above 85%). Last but not least, factors influencing the shear strength of Ag-Al interface were analyzed and ranked by weight analysis and SHapley Additive exPlanations (SHAP) method. This research could provide a novel perspective on understanding those factors affecting the shear strength of sintered nano Ag interconnect layer in power devices.

Keyword:

CTGAN Sintered nano silver Deep learning model Interface bonding strength Power modules SHAP method

Author Community:

  • [ 1 ] [Dai, Yanwei]Beijing Univ Technol, Inst Elect Packaging Technol & Reliabil, Dept Mech, Beijing 100124, Peoples R China
  • [ 2 ] [Dai, Yanwei]Beijing Univ Technol, Beijing Key Lab Adv Mfg Technol, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Dai, Yanwei]Beijing Univ Technol, Inst Elect Packaging Technol & Reliabil, Dept Mech, Beijing 100124, Peoples R China

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Source :

ENGINEERING FAILURE ANALYSIS

ISSN: 1350-6307

Year: 2024

Volume: 167

4 . 0 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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