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Research paper : Development of laser-assisted inkjet printing technology (A. Endo et al.)−17−Synthesiology - English edition Vol.4 No.1 (2011) J. Akedo, S. Nakano, J. H. Park, S. Baba and K. Ashida: Aerosol deposition method - For production of high performance micro device with low cost and low energy consumption, Synthesiology, 1 (2), 130-138 (2008) (in Japanese) Synthesiology English edition 1 (2), 121-130(2008)).K. Suganuma and H. Tanaami: Purinttedo Erekutoronikusu Gijutsu (Printed Electronics Technology), Kogyo Chosakai Publishing (2009) (in Japanese).J. Kolbe, A. Arp, F. Calderone, E. M. Meyer, W. Meyer, H. Schaefer and M. Stuve: Inkjettable conductive adhesive for use in microelectronics and microsystems technology, Microelectronics Reliability, 47, 331-334 (2007).New Energy and Industrial Technology Development Organization: Seimitsu Buzai Seikeiyo Zairyo Sosei Kako Purosesu Gijutsu Ni Kansuru Chosa Seika Hokokusho (Report on the Survey of the Manufacturing and Processing Technology for Precision Member Forming Materials )(2005) (in Japanese).[1][2][3][4]References[5][6][7][8][9][10][11][12]H. Sirringhaus, T. Kawase, R. H. Friend, T. Shimoda, M. Inbasekaran, W. Wu and E. P. Woo: High-resolution inkjet printing of all-polymer transistor circuits, Science, 290 (5499), 2123-2126 (2000).P. J. Smith, D. Y. Shin, J. E. Stringer, B. Derby and N. Reis: Direct ink-jet printing and low temperature conversion of conductive silver patterns, J. Mater. Sci., 41, 4153-4158 (2006). K. Takahashi: Inkujetto Purinta No Oyo To Zairyo II (Application of Inkjet Printer and Material II), CMC Publishing (2007) (in Japanese).Konica Minolta Holdings, Inc.: Conducting film pattern and formation method of the conducting film pattern (Doden maku patan oyobi doden maku patan no keisei hoho), Patent Publication No. 2010-182775 (2009) (in Japanese).K. Morii and T. Shimoda: Film formation by inkjet: behavior of inkjet droplets, Hyomen Kagaku (Journal of the Surface Science Society of Japan), 24 (2), 90-97 (2003) (in Japanese).K. Murata, J. Matsumoto, A. Tezuka, Y. Matsuba and H. Yokoyama: Super-fine ink-jet printing: toward the minimal manufacturing system, Microsyst. Technol., 12, 2-7 (2005).R. D. Deegan, O. Bakajin, T. F. Dupont, G. Huber, S. R. Nagel and T. A. Witten: Capillary flow as the cause of ring stains from dried liquid drops, Nature, 389, 827- 829 (1997).P. C. Duineveld: The stability of ink-jet printed lines of liquid with zero receding contact angle on a homogeneous substrate, J. Fluid Mechanics, 477, 175-200 (2003).AuthorsAkito EndoCompleted the courses at the Graduate School, Toin University of Yokohama in 2007. Doctor (Engineering). Studied environmental application, ultrasonic device, and medical ultrasound diagnosis. Worked at a company on the development of plasma vacuum equipment. Member of the inaugural class on AIST Innovation School. Currently, dispatch employee at the Advanced Manufacturing Research Institute, AIST. In the doctorate courses, engaged in the R&D of the medical array-type high frequency ultrasound probe by hydrothermal synthesis. Through joint research with companies, felt the importance of patterning of fine wiring and mounting technology of electronic members, and worked on the development of the laser-assisted inkjet technology. In this paper, was in charge of the R&D for the high aspect ratio wire formation technology using the laser-assisted inkjet technology.Jun AkedoGraduated from Applied Physics Department, Faculty of Engineering and Science, Waseda University in 1984. Assistant at Faculty of Engineering and Science, Waseda University from 1988~1991. Joined the Mechanical Engineering Laboratory, Agency of Industrial Science and Technology, Ministry of International Trade and Industry in 1991. Currently, senior researcher of the Advanced Manufacturing Research Institute, AIST. Doctor (Engineering). Specialties are film engineering, high-diversity variable-volume production, selection of the solution method, and research results and positioning of the results are summarized. The issues that may become important in the future and the flow of the technological development are described.In the future, we wish to develop additional multiple functions, to enable custom-made production that instantly provides function demanded by the user, to expand the market, and to create a new market for electronic device with new functions. By increasing the throughput of the laser-assisted inkjet technology, we plan to develop a technology that can handle devices with large surface areas that could not be handled with the conventional inkjet printing technology.AcknowledgementsThe results of this research was obtained through the “Development of High-Integration Complex MEMS Manufacturing Technology: MEMS-Semiconductor Lateral Wiring Technology (Mounting Technology for Highly Dense Low-Temperature Stacking and Unification)” (FY2006~FY2008) of the New Energy and Industrial Technology Development Organization (NEDO). We are grateful to Yeong-gyu Park of the Advanced Manufacturing Research Institute, AIST who cooperated in evaluating the material, and Hiroki Tsuda who helped us evaluate the electrical properties.

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