On Inspection Methods for Sequences of Crossed Writings and Seal Stamps in Laser Printing
HE Zhu-kan · Journal of Guangxi Police Academy · 2013
Sequences of crossed writings and seal stamps is the key part of documents inspection in which inspection of sequences of crossed writings and seal stamps in laser printing is much more complicated. In practice, inspection methods for sequences of crossed writings and seal stamps in laser printing mainly include those through optical microscopes, fluorescent, measuring the stroke width, fixing transfer printing and computer software-assisted technique. In application of inspection methods for sequences of crossed writings and seal stamps in laser printing, we should emphasize on the different application features of different techniques, following the principle of lossless subsequent to loss and integrated inspection.