Crystal plasticity analysis of the suppression of dislocation accumulation during the production process of semiconductor devices

High-density memories and high-speed CPUs are usually realized by reduction of the size of semiconductor cells in Large Scale Integrations (LSIs). Representative length scale of Ultra Large Scale Integration (ULSI) cells is going to be in nano-meter order. Dislocation accumulation during the product...

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Main Authors: Michihiro SATO, Tetsuya OHASHI, Yoshiki KAWANO
Format: Article
Language:Japanese
Published: The Japan Society of Mechanical Engineers 2020-04-01
Series:Nihon Kikai Gakkai ronbunshu
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/transjsme/86/884/86_19-00457/_pdf/-char/en
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author Michihiro SATO
Tetsuya OHASHI
Yoshiki KAWANO
author_facet Michihiro SATO
Tetsuya OHASHI
Yoshiki KAWANO
author_sort Michihiro SATO
collection DOAJ
description High-density memories and high-speed CPUs are usually realized by reduction of the size of semiconductor cells in Large Scale Integrations (LSIs). Representative length scale of Ultra Large Scale Integration (ULSI) cells is going to be in nano-meter order. Dislocation accumulation during the production process in the electron channel of semiconductor device is one of the most serious problems. Dislocation accumulation has an enormous effect on the electronic state of the device. Therefore, the evaluation and suppression of dislocation accumulation are crucially important for the design and development of semiconductor device structure. In this study, we numerically analyze the suppression of dislocation accumulation in the shallow trench isolation type ULSI cells. Accumulation of dislocations is analyzed by employing a technique of crystal plasticity analysis and we evaluate the dislocation density distribution and total length of dislocations in the silicon substrate. Possibilities for the suppression of dislocation accumulation are discussed.
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spelling doaj.art-4eef4ae9726c4258ae852d5009b8409c2022-12-22T03:41:36ZjpnThe Japan Society of Mechanical EngineersNihon Kikai Gakkai ronbunshu2187-97612020-04-018688419-0045719-0045710.1299/transjsme.19-00457transjsmeCrystal plasticity analysis of the suppression of dislocation accumulation during the production process of semiconductor devicesMichihiro SATO0Tetsuya OHASHI1Yoshiki KAWANO2Department of Mechanical Engineering, Kitami Institute of TechnologyDepartment of Mechanical Engineering, Kitami Institute of TechnologyDepartment of Mechanical Engineering, Kitami Institute of TechnologyHigh-density memories and high-speed CPUs are usually realized by reduction of the size of semiconductor cells in Large Scale Integrations (LSIs). Representative length scale of Ultra Large Scale Integration (ULSI) cells is going to be in nano-meter order. Dislocation accumulation during the production process in the electron channel of semiconductor device is one of the most serious problems. Dislocation accumulation has an enormous effect on the electronic state of the device. Therefore, the evaluation and suppression of dislocation accumulation are crucially important for the design and development of semiconductor device structure. In this study, we numerically analyze the suppression of dislocation accumulation in the shallow trench isolation type ULSI cells. Accumulation of dislocations is analyzed by employing a technique of crystal plasticity analysis and we evaluate the dislocation density distribution and total length of dislocations in the silicon substrate. Possibilities for the suppression of dislocation accumulation are discussed.https://www.jstage.jst.go.jp/article/transjsme/86/884/86_19-00457/_pdf/-char/enulsishallow trench isolationdislocationcrystal plasticity analysis
spellingShingle Michihiro SATO
Tetsuya OHASHI
Yoshiki KAWANO
Crystal plasticity analysis of the suppression of dislocation accumulation during the production process of semiconductor devices
Nihon Kikai Gakkai ronbunshu
ulsi
shallow trench isolation
dislocation
crystal plasticity analysis
title Crystal plasticity analysis of the suppression of dislocation accumulation during the production process of semiconductor devices
title_full Crystal plasticity analysis of the suppression of dislocation accumulation during the production process of semiconductor devices
title_fullStr Crystal plasticity analysis of the suppression of dislocation accumulation during the production process of semiconductor devices
title_full_unstemmed Crystal plasticity analysis of the suppression of dislocation accumulation during the production process of semiconductor devices
title_short Crystal plasticity analysis of the suppression of dislocation accumulation during the production process of semiconductor devices
title_sort crystal plasticity analysis of the suppression of dislocation accumulation during the production process of semiconductor devices
topic ulsi
shallow trench isolation
dislocation
crystal plasticity analysis
url https://www.jstage.jst.go.jp/article/transjsme/86/884/86_19-00457/_pdf/-char/en
work_keys_str_mv AT michihirosato crystalplasticityanalysisofthesuppressionofdislocationaccumulationduringtheproductionprocessofsemiconductordevices
AT tetsuyaohashi crystalplasticityanalysisofthesuppressionofdislocationaccumulationduringtheproductionprocessofsemiconductordevices
AT yoshikikawano crystalplasticityanalysisofthesuppressionofdislocationaccumulationduringtheproductionprocessofsemiconductordevices