Welcome to the 10 th International “Hiroshima” Symposium Y. Unno (KEK) on behalf of International Organizing Committee Y. Unno, Opening address, 2015/9/261

10 th of the Series Thank you, Prof. Li Liang, for your and the university’s strong support to the Symposium. Representing the international organizing committee, we also thank you for the interest and the support from, – all the participants, all the contributors – and, not least, the enthusiasm of the local hosts. Without your support, this Symposium can not be successful. The symposium was originated in Hiroshima in 1993 by Prof. Takashi Ohsugi together with the members of IOC, – to bring experts of semiconductor tracking detectors together from around the world to discuss and to stimulate each other. This is the 10 th of the series, another anniversary!, and 22 years since the 1 st Symposium. Since the 1 st one,... Y. Unno, Opening address, 2015/9/262

around the Pacific rim, every 2-3 yrs, alternating Hiroshima and outside, in tradition… Hiroshima: 1993, 1995, 2000, 2004, 2009, 2013 Taipei:2011 Melbourne: 1997 Carmel:2006 3Y. Unno, Opening address, 2015/9/26 ©Google map Xi’an:2015 Missing South America?

“Moore’s Law” in Silicon Devices(?) “Hiroshima” Symposia have been witnessing the evolution of the silicon area from O(1 m 2 ) to O(100 m 2 ) Y. Unno, Opening address, 2015/9/264 HSTD1 HSTD10 Compilation by Y. Unno & E. Heijne

“Moore’s Law” in Silicon Devices(?) The front of the 1 st “wave” has been “Strip” detectors. Y. Unno, Opening address, 2015/9/265 HSTD1 HSTD10 Compilation by Y. Unno & E. Heijne

“Moore’s Law” in Silicon Devices(?) We may have been witnessing the 2 nd “wave” of the “pixel-like” detectors now... Y. Unno, Opening address, 2015/9/266 HSTD1 HSTD10 Compilation by Y. Unno & E. Heijne

Xi’an, the “silk roads” UNESCO World Heritage: Silk Roads: the Routes Network of Chang'an (Xi’an)-Tianshan Corridor...linking multiple civilizations and facilitating far-reaching exchanges of activities..., scientific knowledge, technological innovation, cultural practices and the arts... 7Y. Unno, Opening address, 2015/9/26 Xi’an West East

Enjoy the Symposium and all activities! from the organizers Y. Unno, Opening address, 2015/9/268

Acknowledgements Local Organizers – X.C. Lou (Chair), IHEP Beijing – Q. Ouyang, IHEP Beijing – I. Han, USTC Hefei – C.H. He, Xi’an Jiaotong Uinv. – Z. Li, Xiangtan Univ. – Y. Lu, IHEP Beijing – Z. Wang, IHEP Beijing – Q.M. Zhang, Xi’an Jiaotong Univ. – H.B. Zhu, IHEP Beijing International Organizers – T. Ohusgi, Hiroshima Univ. – S. Hou, Academia Sinica, Taipei – H.F-W. Sadrozinski, UC Santa Cruz – Y. Unno (Chair), KEK Scientific Secretaries – Tianhong XING, IHEP Beijing – Yeliu MO, IHEP Beijing –... Xi’an Jiaotong Univ. International Advisory Board – G. Hall, Imperial College – T. Kondo, KEK – S.C. Lee, Academia Sinica – H. Sadrozinski, UC Santa Cruz – A. Seiden, UC Santa Cruz – H. Spieler, LBNL – T. Takahashi, ISAS – M. Turala, Polish Academy of Sciences (PL) – P. Weilhammer, CERN Supported by – IHEP Beijing – Xi’an Jiaotong Univ. – USTC Hefei Y. Unno, Opening address, 2015/9/269