:: 2008. 05-10 :: Europe 2008     

:: 2008. 02 :: ISSCC @ San Francisco, USA

:: 2007. 12 :: KAIST-China Workshop @ Xian & Beijing, China

:: 2007. 08 :: KAIST-UofT Workshop @ Toronto, Canada

:: 2007. 03 :: BSN @ Aachen and Paris

:: 2007. 02 :: ISSCC @ San Francisco, USA

:: 2006. 12 :: KAIST-FudanU Workshop @ Shanghai, China

:: 2006. 11 :: ASSCC @ Hangzhou, China  

:: 2006. 08 :: KAIST-China-Samsung Workshop @ Beijing & Harbin, China

:: 2006. 08 :: GIT & New York City, USA

:: 2006. 02 :: ISSCC @ San Francisco, USA

:: 2005. 11 :: KAIST-China-LG Workshop @ Shanghai, China

:: 2005. 11 :: ASSCC @ Taiwan

:: 2005. 08 :: The Vacation @ Sydney & Hongkong

:: 2005. 05 :: ISCAS @ Kobe & Tokyo, Japan

:: 2005. 02 :: ISSCC @ San Francisco, USA

:: 2004. 11 :: KAIST-China-LG Workshop @ Beijing & Shanghai, China

:: 2003. 9-10 :: The Second Travel of Europe

:: 2002. 7-8 :: Summer Session in Berkeley @ CA, USA
     #1 Berkeley, San Francisco     #2 with Michael     #3 L.A.     #4 Yosemite     #5 Stanford, Las Vegas

:: 2001. 7-8 :: The First Travel of Europe
     #1 England. Belgium. Berlin. Czech     #2 Austria. Hungary. Germany     #3 Italy. Switzerland     #4 Spain. Paris