• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

On A Reliability Evaluation Method for Electronic Devices Considering Thermal Stress Generated by the Manufacturing Process Based on Super Imposed Method

Research Project

Project/Area Number 14350057
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Materials/Mechanics of materials
Research InstitutionOsaka University

Principal Investigator

ZAKO Masaru  ZAKO,Masaru, 大学院・工学研究科, 教授 (40170831)

Co-Investigator(Kenkyū-buntansha) KURASHIKI Tetsusei  Osaka University, Graduate school of Eng., Research Associate, 大学院・工学研究科, 助手 (30294028)
TAKANO Noki  Osaka University, Graduate school of Eng., Associate Professor, 大学院・工学研究科, 助教授 (10206782)
Project Period (FY) 2002 – 2003
Project Status Completed (Fiscal Year 2003)
Budget Amount *help
¥13,900,000 (Direct Cost: ¥13,900,000)
Fiscal Year 2003: ¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 2002: ¥12,500,000 (Direct Cost: ¥12,500,000)
KeywordsSuper Impose method / Multi-scale analysis / Electronic devices / In-site observation / Damage development / Reliability engineering / Lifetime evaluation / 熱問題 / 損傷進展挙動 / 製造プロセス
Research Abstract

A micro-electronic circuit on a plastic film has been expected as one of the future information-communication devices. In order to realize, the aims of this study are to establish a multi-scale numerical analysis and an experimental method for the measurement of the mechanical properties of the film with the residual stress generated by the manufacturing process.
An important point for evaluation of reliability of the devices is to comprehend the stress state acted on the structure under applied load and the mechanism of the damage mode. New fatigue testing apparatus to detect the damage using a laser microscope had been developed. The mechanism of damage development of the plastic film and woven fabric composites for the substrate of the electric devices under load had been investigated with In-situ observation during the static test and fatigue test.
Since the experimental results of fatigue test show large scatter, the statistical method was proposed in order to decide the fatigue strength for design. The design margin can be decided by the probability of failure and confidence level considering an effect of small samples. The stress level with a margin can be decided by the proposed method. Furthermore, the super impose method, which is one of the multi-scale numerical methods, had been developed in order to analyze the local stress conditions and behavior of the global deformation considering an effect of the thermal stress. The proposed procedure has superior properties about accuracy and computational cost than the traditional method. It is revealed that the proposed numerical and experimental methods are very useful for the reliability and lifetime evaluations for the electronic devices.

Report

(3 results)
  • 2003 Annual Research Report   Final Research Report Summary
  • 2002 Annual Research Report
  • Research Products

    (19 results)

All Other

All Publications (19 results)

  • [Publications] M.Zako, Y.Uetsuji, T.Kurashiki: "Finite Element Analysis of Damaged Woven Fabric Composite Materials"Composites Science and Technology. Vol.63. 507-516 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] 倉敷哲生, 座古勝, 石井敦, 花木聡, 杉谷宗彦: "BGAはんだ接合部の熱サイクル疲労寿命評価手法に関する研究"材料. 52巻. 535-540 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] 座古勝, 林晋也, 倉敷哲生, 久保太: "重合メッシュ法による熱応力解析(第1報:解析手法の定式化)"日本機械学会論文集(A編). 69巻. 1325-1330 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] 花木 聡, 岩尾康寛, 山下正人, 内田 仁, 座古 勝, 倉敷哲生: "疲労強度分布に注目した設計基準決定法に関する研究"第5回構造物の安全性・信頼性に関する国内シンポジウム論文集. 477-480 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] 座古勝, 倉敷哲生, 中井啓晶, M.A.Kumar: "平均応力・応力振幅の不確定性を考慮した破壊確率評価手法に関する研究"日本機械学会第16回計算力学講演会講演論文集. 845-846 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] T.Kurashiki, M.Zako, I.Verpoest, Y.Hayashi: "On a simulation for mechanical behaviors of woven fabric composites based on damage mechanics"Proceedings of the 4th Korea-Japan Joint Symposium on Composite Materials. 123-124 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] M.Zako, Y.Uetsuji, T.Kurashiki: "Finite Element Analysis of Damaged Woven Fabric Composite Materials"Composites Science and Technology. Vol.63, No.3. 507-516 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] T.Kurashiki, M.Zako, A.Ishii, S.Hanaki, M.Sugitani: "Study on Evaluation Method of Thermal Fatigue Life for BGA Solder"Journal of Japan Society of Materials Science. Vol.52, No.5. 535-540 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] M.Zako, S.Hayashi, T.Kurashiki, F.Kubo: "Thermal Stress Analysis by Mesh Superposition Method (1st Report, Formulation of Mesh Superposition Method for Thermal Stress Analysis)"Journal of Japan Society of Mechanical Engineers (A). Vol.69, No.685. 1325-1330 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] Y.Iwao, S.Hanaki, M.Yamashita, H.Uchida, M.Zako, T.Kurashiki: "On Decision Method of Design Criteria Based on Fatigue Strength Distribution"Proceedings of 4^<th> Japan Conference of Structural Safety and Reliability. 477-480 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] M.Zako, T.Kurashiki, H.Nakai, M.A.Kumal: "Study on Evaluation of Failure Probability Considering Uncertainty of Mean Stress and Stress Amplitude"Proceedings of 16^<th> Computational Mechanics Conference. 845-846 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] T.Kurashiki, M.Zako, I.Verpoest Y.Hayashi: "On a simulation for mechanical behaviors of woven fabric composites based on damage mechanics"Proceedings of the 4th Korea-Japan Joint Symposium on Composite Materials. 123-124 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] M.Zako, Y.Uetsuji, T.Kurashiki: "Finite Element Analysis of Damaged Woven Fabric Composite Materials"Composites Science and Technology. Vol.63,No.3. 507-516 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] 倉敷哲生, 座古勝, 石井敦, 花木聡, 杉谷宗彦: "BGAはんだ接合部の熱サイクル疲労寿命評価手法に関する研究"材料. 52巻・5号. 535-540 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] 座古勝, 林晋也, 倉敷哲生, 久保太: "重合メッシュ法による熱応力解析(第1報:解析手法の定式化)"日本機械学会論文集(A編). 69巻・9号. 1325-1330 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] 花木 聡, 岩尾康寛, 山下正人, 内田仁, 座古 勝, 倉敷哲生: "疲労強度分布に注目した設計基準決定法に関する研究"第5回構造物の安全性・信頼性に関する国内シンポジウム論文集. 477-480 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] 座古勝, 倉敷哲生, 中井啓晶, M.A.Kumar: "平均応力・応力振幅の不確定性を考慮した破壊確率評価手法に関する研究"日本機械学会 第16回計算力学講演会 講演論文集. 845-846 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] T.Kurashiki, M.Zako, I.Verpoest, Y.Hayashi: "On a simulation for mechanical behaviors of woven fabric composites based on damage mechanics"Proceedings of the 4th Korea-Japan Joint Symposium on Composite Materials. 123-124 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Masaru ZAKO: "How to discover the advantages of composites by computer simulation?"Proc. of Symposium on the past, present and future of polymer composites (6, 7, November, 2002), Belgium. (2002)

    • Related Report
      2002 Annual Research Report

URL: 

Published: 2002-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi