Conference ProceedingsExamining the Minor Printing Screen-dots and Micro-printing Features by Using the USB Interface MicroscopePresenting section:Questioned Documents2006Liu, Kuei, Taipei Taiwan, Republic of China; Lang, Li-Su, Taipei Taiwan, Republic of China; Chuang, Fu-Hsiung, Hsin-Tien Taiwan, Republic of China; Chang, Chuan-Hui, Taipei Taiwan, Republic of ChinaView the paperQuestioned Documents