[1] [1] Y M Noor, S C Tam, L E N Lim, et al.. A review of the NdYAG laser marking of plastic and ceramic IC packages[J]. Journal of Materials Processing Technology, 1994, 42(1): 95-103.

[2] [2] L Chitu, R Cernat, I Bucatica, et al.. Improved technologies for marking of different materials[J]. Laser Physics, 2003, 13(8): 1108-1111.

[3] [3] T Dumont, T Lippert, A Wokaun, et al.. Laser writing of 2D data matrices in glass[J]. Thin Solid Films, 2004, 453: 42-45.

[4] [4] W Jangsombatsiri, J D Porter. Laser direct-part marking of data matrix symbols on steel substrates[J]. Journal of Manufacturing Science and Engineering, 2007, 129(3): 583-591.

[5] [5] C Connolly. Part-tracking labelling and machine vision[J]. Assembly Automation, 2005, 25(3): 182-187.

[6] [6] Wang Su′an, He Weiping, Zhang Wei, et al.. Direct tool markingand identification method[J]. Computer Integrated Manufacturing Systems, 2007, 13(6): 1169-1174.

[7] [7] M F Chen, W T Hsiao, W L Huang, et al.. Laser coding on the eggshell using plused-laser marking system[J]. Materials Processing Technology, 2009, 209(a): 737-744.

[8] [8] C Lenone, S Genna, G Caprino, et al.. AISI 304 stainless steel marking by a Q-switched diode pumped NdYAG laser[J]. Journal of Materials Processing Technology, 2010, 210(10): 1297-1303.

[9] [9] L Costa, K Lansford, D Rajput, et al.. Unique corrosion and wear resistant identification tags via LISITM laser marking[J]. Surface & Coatings Technology, 2009, 203(14): 1984-1990.

[10] [10] Wang Su′an, He Weiping, Zhang Wei, et al.. Research on application of direct laser marking and 2-dimention code technology in tool marking[J]. China Mechanical Engineering, 2007, 18(6): 676-680.

[11] [11] Wang Wei, He Weiping, Lei Lei, et al.. 2-D bar code data extraction on metal pasts[J]. Journal of Computer-Aided Design & Computer Graphics, 2012, 24(5): 612-619.

[12] [12] Qiu Huadong, Lu Changhou, Xiao Rujing. Laser parameters influence in direct-part marking barcodes on aluminum alloy[J]. Chinese J Lasers, 2011, 38(8): 0803006.

[13] [13] NASA. Applying Data Matrix Identification Symbols on Aerospace Parts[S]. Washington, DC: NASA, 2008.