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Ultrasonic Micro-welding Using High-Frequency and Complex Vibrations

Research Project

Project/Area Number 07555530
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section展開研究
Research Field Material processing/treatments
Research InstitutionKANAGAWA UNIVERSITY

Principal Investigator

TSUJINO Jiromaru  KANAGAWA UNIV., Fac.Eng., Dept.Electrical Eng., Professor, 工学部, 教授 (20078299)

Co-Investigator(Kenkyū-buntansha) YONEYAMA Masahide  TOYO UNIV., Fac.Eng., Dept.Information Eng., Professor, 情報工学科, 教授
YAZAWA Kimihiko  Ultrasonic Enginering Co.Ltd, Technical Division, Head, 取締役電子技術部長
OHYA Kanji  Ceramic Division of NGK Co., Technical Division, Head, 取締役研究部長
NAKAYAMA Akiyoshi  KANAGAWA UNIV., Fac.Eng., Dept.Electrical Eng., Professor, 工学部, 教授 (90183524)
ENDOH Nobuyuki  KANAGAWA UNIV., Fac.Eng., Dept.Electrical Eng., Professor, 工学部, 教授 (20016801)
平山 弘三  TDK(株), 商品開発部部長
Project Period (FY) 1995 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥8,100,000 (Direct Cost: ¥8,100,000)
Fiscal Year 1997: ¥2,400,000 (Direct Cost: ¥2,400,000)
Fiscal Year 1996: ¥5,700,000 (Direct Cost: ¥5,700,000)
Keywordsultrasonic wire bonding / ultrasonic micro-joining / frequency characteristic of ultrasonic welding / high frequency vibration system / complex vibration ultrasonic welding / vibration locus of welding tip / ceramic capillary / vibration distributions of ceramic capillary / ボールボンディング / 高周波数複合振動系 / 複合振動軌跡 / 溶接チップ振動分布 / 複合振動超音波ワイヤーボンディング / 線形軌跡溶接チップ / 方形・円形軌跡溶接チップ / 必要振動速度・変位振幅の周波数特性 / 高周波数超音波ワイヤーボンディング / 複合曲げ振動を用いた超音波ボールボンディング / セラミックキャピラリーの振動 / 超音波金属溶接 / 超音波溶接チップの振動軌跡 / アルミニウム細線の接合 / 超音波溶接の周波数特性 / 接合の方向性
Research Abstract

1.Frequency characteristics of ultrasonic welding High-frequency systems at 90-780 kHz have been shown that high-frequency systems become to be significantly effective in comparison to a conventional system at 60 kHz. The required vibration velocity v and displacement amplitude xi decrease as frequency increases. v=Af^<-0.6>, xi=Bf^<-1.49> A,B : constants. A peak-to-zero value of 0.04 mum at 780 kHz is 1/30 of that at 60 kHz.
2.Complex vibration locus welding tip was found to be effective for improving the welding characteristics. Welding characteristics and temperature rise of ultrasonic wire bonding using 190 kHz circular and square vibration loci are equivalent to these of a 600 kHz linear vibration locus. Complex vibration welding tips which vibrate in elliptical to circular or rectangular to square shapes at either the same or different frequencies effectively joined welding specimens successfully in shorter welding times, under smaller vibration amplitudes, and over wider good welding areas in comparison to linear locus.
3.High-frequency longitudinal to complex transverse vibration systems 160 kHz - 1 MHz were proposed for ultrasonic ball bonding using a ceramic capillary. Aluminum wire specimens of 0.1 mm diameter were successfully joined using the 400 kHz longitudinal-complex transverse vibration system.
4.The conventional ceramic capillaries were found vibrating with two or three nodes along the capillary at 400 kHz - 1 MHz. The vibration velocity amplitude obtained at the welding tip is sufficient for successful welding.
5.The welding characteristics of the ultrasonic wire bonding were found to be significantly improved by these results obtained by this research. The high-frequency welding systems available in two vibration frequencies, for an example 160 and 500 kHz, were developed.
6.The automatic system using high-frequency and complex vibration systems is under working, and also welding characteristics using ultra-high frequency is under investigation.

Report

(4 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • 1995 Annual Research Report
  • Research Products

    (58 results)

All Other

All Publications (58 results)

  • [Publications] Jiromaru TSUJINO and Hiroyuki YOSHIHARA: "Vibration characteristics of high frequency and complex vibration systems 160 kHz and 1 Mhz for ultrasonic wire bonding" 18th International Congress on Acoustics(ICA'98) Seattle WA,USA. (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO, et.al.: "Temperature rise and welding characteristics of ultrasonic wire bonding using 190 kHz linear,circular and square vibration,and 600 kHz linear vibration locus welding tips" Jpn.J.Applied Physics. Vol.37,No.5. (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO, et.al: "High frequency longitudinal-transverse complex vibration systems for ultrasonic wire bonding" Proceedings of IEEE 1997 International Ultrasonics Symposium. 849-854 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 辻野 次郎丸, 吉原 弘行: "縦振動-曲げ振動変換振動系を用いた超音波ワイヤーボンディング装置-高周波数および複合振動を用いた超音波ワイヤーボンディング-" Proceedings of The 4th Symposium on Microjoining and Assembly. 79-84 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 辻野 次郎丸, 他: "複合振動による超音波ワイヤーボンディングの溶接特性および高周波数の複合振動系の構成について" 電子情報通信学会超音波研究会技術研究報告. US97-83. 25-32 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "Welding characteristics of ultrasonic wire bonding systems using high frequency and complex vibration locus" The Sixth Western Pacific Regional Conference on Acoustics(WESTPRAC VI97). 516-521 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 辻野 次郎丸, 他: "振動軌跡形状および周波数による超音波ワイヤーボンディングの温度上昇および接合特性について" 第8回超音波エレクトロニクスの基礎と応用に関するシンポジウム 講演論文集. 185-186 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 辻野 次郎丸: "金属および高分子材料の超音波溶接について" 電子情報通信学会論文誌. Vol.J80-A. 1597-1613. (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru Tsujino, et.al.: "Welding characteristics of ultrasonic wire bonding high frequency and complex vibration locus" Proceedinfgs of Ultrasonics World Congress(WCU97). 156-157 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jromaru TSUJINO, et.al.: "Frequency characteristics of ultrasonic wire bonding systems of 40kHz to 780kHz" Proceedings of IEEE 1996 International Ultrasonics Symposium. 1021-1026 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 辻野 次郎丸: "高周波数および複合振動を用いた超音波ワイラーボンディングの接合特性について" Proceedings of The 3rd symposium on Microjoining and Assembly Technology in Electronics'97(Mate'97). 151-156 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 辻野 次郎丸: "超音波ワイヤーボンディング-高周波数・無方向性ボンダーの提案-" 超音波テクノ,日本工業出版(株). Vol.8.No.11. 1-6 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO, et. al.: "Frequency characteristics of ultrasonic welding -High frequcncy ultrasonic wire bonding-" Proceedings of 1st World Congress on Ultrasonics 1995(WCU'95). 867-872 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO and Koichi HASEGAWA: "Ultrasonic wire bonding using high frequency 330,600kHz and complex Vibration 190kHz welding systems" Ultrasonics,Elsevier Science B.V.(Proceedings of Ultrasonics International95). Vol.34(1996). 223-228 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "Frequency characteristics of ultrasonic wire bonding-High frequency ultrasonic wire bonding-:" Transactions of 26th Ultrasonic Industry Association Symposium(UIA Symposium)). DVS173. 125-128 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "Frequency characteristics of ultrasonic wire bonding-Higth frequcncy ultrasonic wire bonding-:" Proceedings of 2nd European Conferencc on Electronic Packaging Technology & 8th International Conference on Interconnection Technology in Electronics(EuPac'96). Vol.178. 125-128 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 辻野 次郎丸, 他: "超音波ワイヤーボンディングの周波数特性について" 第16回超音波エレクトロニクスの基礎と応用に関するシンポジウム 講演論文集. 297-298 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiroumaru TSUJINO, et.al.: "One dimensional longitudinal-torsional vibration converters with diagonal slits for ultrasonic motor, Complex vibration metal welding and wire bonding" Proceedings of International Congress on Acoustics 95(ICA'95). Vol.I. 447-450 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 辻野 次郎丸、他: "複合振動および高周波数を用いた超音波ワイヤーボンディングについて" Proceedings of The First Symposium on Microjoining and Assembly Technology in Electronics'95(Mate'95). 11-16 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "High frequency ultrasonic wire bonding using complex and linear vibration welding tips-Frequency characteristics of ultrasonic wire bonding-" Transactions of 26th Ultrasonic Industry Association Symposium(UIA Symp.). 17-18 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO and Hiroyuki YOSHIHARA: "Vibration characteristics of high frequency and complex vibration systems 160 kHz and 1 Mhz for ultrasonic wire bonding" 18th International Congress on Acoustics (ICA'98) Seattle WA,USA. (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO,Hiroyuki YOSHIHARA,Tomohiko ITOH,Kazutoshi INUJIMA and Yasuyuki HIRANO: "Temperature rise and welding characteristics of ultrasonic wire bonding using 190 kHz linear, circular and square vibration, and 600 kHz linear vibration locus welding tips" Jpn.J.Applied Physics. vol.37, No.5. (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO,Hiroyuki YOSHIHARA,Kazuyoshi KAMIMOTO and Yoshiaki OSADA: "High frequency longitudinal-transverse complex vibration systems for ultrasonic wire bonding" Proceedings of IEEE 1997 International Ultrasonics Symposium. 849-854 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO and Hiroyuki YOSHIHARA: "Ultrasonic wire bonding equipment using a longitudinal to complex transverse vibration system-Ultrasonic wire bonding using high-frequency complex vibrations-" Proceedings of The 4th Symposium on Microjoining and Assembly Technology in Electronics'98 (Mate'98) (in Japanese.). 79-84 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO,Hiroyuki YOSHIHARA,Kazutoshi INUJIMA,Tomohiko ITOH and Yasuyuki HIRANO: "Welding characteristics of the ultrasonic wire bonding using complex vibrationsand configurations of high-frequency complexvibration systems" Technical Report on Ultrasonics of The Institute of Electronics, Information and Communication Engineers (in Japanese.). US97-83. 25-32 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "Welding characteristics of ultrasonic wire bonding systems using high frequency and complex vibration locus" The sixth Western Pacific Regional Conference on Acoustics (WESTPRAC VI 97). 516-521 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO,Hiroyuki YOSHIHARA,Tomohiko ITOH,Kazutoshi INUJIMA and Yasuyuki HIRANO: "Vibration locus shape and frequency effects on the temperature rise and the welding characteristics of the ultrasonic wire bonding" Proceedings of The 18th Symposium on Ultrasonic Erectronics. 185-186 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "Ultrasonic welding of metal and plastic materials, The Transactions of the Institute of Electronics" Information and Communication Engineers A. Vol.J80-A. 1597-1613 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru Tsujino, Hiroyuki Yoshihara, Kazuyoshi Kamimoto, Yoshiaki Osada: "Welding characteristics of ultrasonic wire bonding using high frequency and complex vibration locus" Proceedings of Ultrasonics World Congress (WCU 97). 156-157 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO,Koichi HASEGAWA,Yukio SONE and Koji NOZAKI: "Frequency characteristics of ultrasonic wire bonding systems of 40 kHz to 780 kHz" Proceedings of IEEE 1996 International Ultrasonics Symposium. 1021-1026 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "Welding characteristics of ultrasonic wire bonding using high-frequency and complex vibration" Proceedings of The 3rd Symposium on Microjoining and Assembly Technology in Electronics'97 (Mate'97) (in Japanese.). 151-156 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "Ultrasonic wire bonding-Proposal of high-frequency and nodirectivity bonding systems-, Ultrasonic Technology" Japan Industry Publishing Co.(in Japanese.). Vol.8, No.11. 1-6 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO,Koichi HASEGAWA and Takahiro MORI: "Frequency characteristics of ultrasonic welding-High frequency ultrasonic wire bonding-" Proceedings of 1st World Congress on Ultrasonics 1995 (WCU'95). 867-872 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO and Koichi HASEGAWA: "Ultrasonic wire bonding using High frequency 330,600 kHz and complex vibration 190 kHz welding systems" Ultrasonics, Elsevier Science B.V.(Proceedings of Ultrasonics International 95). vol.34 (1996). 223-228 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "Frequency characteristics of ultrasonic wire bonding-High frequency ultrasonic wire bonding-" Transactions of 26th Ultrasonic Industry Association Symposium (UIA Symposium). DVS 173. 125-128 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "Frequency characteristics of ultrasonic wire bonding-High frequency ultrasonic wire bonding-" Proceedings of 2nd European Conference on Electronic Packaging Technology & 8th International Conference on Interconnection Technology in Electronics (EuPacユ96). vol.178. 125-128 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO,Kohichi HASEGAWA,Yukio SONE and Koji NOZAKI: "Frequency characteristics of ultrasonic wire bonding" Proceedings of The 16th Symposium on Ultrasonic Erectronics (in Japanese.). 297-298 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO,Tetsugi UEOKA,Toshiyuki SHIRAKI,Koichi HASEGAWA,Ryo SUZUKI and Masanobu TAKEUCHI: "One dimensional longitudinal-torsional vibration converters with diagonal slits for ultrasonic motor, complex vibration metal welding and wire bonding" Proceedings of International Congress on Acoustics 95 (ICA'95). vol.I. 447-450 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO and Kohichi HASEGAWA: "Ultrasonic wire bonding using a complex and high-frequency vibration system" Proceedings of The First Symposium on Microjoining and Assembly Technology in Electronics'95 (Mate'95) (in Japanese.). 11-16 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru TSUJINO: "High frequency ultrasonic wire bonding using complex and linear vibration welding tips-Frequency characteristics of ultrasonic wire bonding-" Transactions of 26th Ultrasonic Industry Association Symposium (UIA Symp.). 17-18 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Jiromaru Tsujino 他: "Welding characteristics of ultrasonic wire bonding using high frequency and complex vibration locus" Proceedings of Ultrasonics World Congress 1997(WCU 97). 156-157 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Jiromaru TSUJINO: "Welding Characteristics of Ultrasonic Wire Bonding Systems Using HIgh Frequency and Complex Vibration Locus" Proceedings of The Sixth Western Pacific Regional Conference on Acoustics. 516-521 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 辻野次郎丸: "複合振動による超音波ワイヤーボンディングの溶接特性および高周波数の複合振動系の構成について" 電子情報通信学会超音波研究会技術研究報告. US97-83. 25-32 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 辻野次郎丸: "縦振動-曲げ振動変換振動系を用いた超音波ワイヤーボンディング装置-高周波数および複合振動を用いた超音波ワイヤーボンディング" Proceedings of Microjoining and Assembly Technology in Electronics '98. 79-84 (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] Jiromaru TSUJINO,et al.: "High Frequency Longitudinal-Transverse Complex Vibration Systems for Ultrasonic Wire Bonding" Proceedings of IEEE 1997 International Ultrasonics Symposium. 849-854 (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] Jiromaru TSUJINO,et al.: "Temperature Rise and Welding Characteristics of Ultrasonic Wire Bonding Using 190 kHz Linear,Circular and Square Vibration,and 600 kHz Linear Vibration Locus Welding Tips." Japanese Journal of Applied Physics. vol.37 No.5. (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] Jiromaru TSUJINO: "Frequency Characteristics of Ultrasonic Wire Bonding --High Frequency Ultrasonic Wire Bonding--" 2nd European Conference on Electronic Packaging Technology & 8th International Conference on Interconnection Technology in Electronics ISBN 3-87155-478-2 ISSN 0418-9639. DVS vol.178. 125-128 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Jiromaru TSUJINO: "Frequency Characteristics of Ultrasonic Welding -High Frequency Ultrasonic Wire Bonding-" Proceedings of 1st World Congress on Ultrasonics 1995 (WCU'95) ISBN 3-9805013-0-2. Part 2. 867-872 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Jiromaru TSUJINO: "Ultrasonic Wire Bonding using High Frequency 330,600 kHz and complex Vibration 190 kHz Welding Systems" Ultrasonics,Elsevier Science B.V.vol.34(1996). 223-228 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 辻野次郎丸: "超音波ワイヤーボンディング-高周波数・無方向性ボンダーの提案-" 超音波テクノ,日本工業出版(株). vol.8. 1-6 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Jiromaru TSUJINO: "Frequency Characteristics of Ultrasonic Wire Bonding Systems of 40kHz to 780kHz." IEEE 1996 International Ultrasonics Symposium. (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] Jiromaru TSUJINO: "高周波数および複合振動を用いた超音波ワイヤーボンディングの接合特性について" Proceedings of Microjoining and Assembly Technology in Electronics 1997 (Mate'97). 151-156 (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] Jiromaru TSUJINO, Tetsugi UEOKA Toshiyuki SHIRAKI, Koichi HASEGAWA et. al: "One Dimensional Longitudinal-Torsional Vibration Converters with Diagonal Slits for Ultrasonic Motor, Complex Vibration Metal Welding and Wire Bonding" Proc. of International Congress on Acoustics 95(ICA '95). vol. 1. 447-450 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Jiromaru TSUJINO: "Ultrasonic Wire Bonding Using High Frequency 330, 600kHz and complex Vibration 190 kHz Welding Systems" Ultrasonics(Elsevier Sience). (to be published). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] Jiromaru TSUJINO: "Frequency Characteristics of Ultrasonic Welding-High Frequency Ultrasonic Wire Bonding-" Proc. of 1st World Congress on Ultrasonics 1995(WCU'95). (to be published). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] Jiromaru TSUJINO: "Recent Developments of Ultrasonic Welding(Invited)" Proc. of IEEE 1995 International Ultrasonics Symposium. (to be published). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] 辻野次郎丸、長谷川浩一、他: "超音波ワイヤーボンディングの周波数特性について" 第16回超音波エレクトロニクスの基礎と応用に関するシンポジウム. vol. 16. 297-298 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Jiromaru TSUJINO: "Frequency Characteristics of Ultrasonic Wire Bonding--High Frequency Ultrasonic Wire Bonding--" Proc. of 2nd European Conference on Electronic Packaging Technology & 8th International Conference on Interconnection Technology in Electronics. DVS173. 125-128 (1996)

    • Related Report
      1995 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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