[2] KRUGER J.Investigation of excimer laser ablation threshold of polymers using a microphone[J].Applied Surface Science 2002,197-198(1-4):800-804.

[4] SHARIFF G,SATHYANARAYANA P M.Positron lifetime study of diffusion kinetics in electron irradiated polycarbonate[J].Polymer Degradation and Stablity,2002,76(2):265-273.

[7] SATO H,NISHIO S.Polymer laser photochemistry,ablation,reconstruction,and polymerization[J].Journal of Photochemistry and Photobiology C:Photochemistry Reviews,2001,2(2):139-152.