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The Optimal Solution of Reflow Oven Recipe based on Physics-guided Machine Learning Model

  • Yangyang Lai
  • , Ke Pan
  • , Jonghwan Ha
  • , Chongyang Cai
  • , Junbo Yang
  • , Pengcheng Yin
  • , Jiefeng Xu
  • , Seungbae Park

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

11 Scopus citations

Abstract

This paper presents a physics-guided machine learning model to provide the optimal reflow recipe for a 7-zone oven. The numerical method based on the computational fluid dynamics (CFD) simulation was used to predict reflow profiles of a BGA package. After validating the CFD model with the measurement results, an automated system was programmed to collect profiles subjected to 81 sets of boundary conditions (reflow recipe). A machine learning model trained by 81 sets of input data was employed to predict profiles subjected to 148,176 sets boundary conditions rapidly. The peak temperature and time above liquidous of output profiles were extracted to quantify the performance of the corresponding boundary conditions. The boundary condition with the best reflow performance was regarded as the optimal recipe.

Original languageEnglish
Title of host publicationProceedings of the 21st InterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, ITherm 2022
PublisherIEEE Computer Society
ISBN (Electronic)9781665485036
DOIs
StatePublished - 2022
Event21st InterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, ITherm 2022 - San Diego, United States
Duration: May 31 2022Jun 3 2022

Publication series

NameInterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, ITHERM
Volume2022-May

Conference

Conference21st InterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, ITherm 2022
Country/TerritoryUnited States
CitySan Diego
Period05/31/2206/3/22

Keywords

  • Surface-mount technology
  • artificial neural network (ANN)
  • computational fluid dynamics (CFD)
  • reflow soldering process

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