Beam-Steered Laser Marking of Plastics by Rick Stevenson
Beam-steered Nd:YAG (Neodymium:Yttrium Aluminum Garnet) laser marking provides a unique combination of speed, permanence, and imaging versatility in a noncontact marking process. Laser marking can generate considerable savings in reduced manufacturing and tooling costs; elimination of secondary... After all the logos are in place, the template layer is removed, and the final CAD file is converted to the laser marker program format. ... Paints must be suitable for high-temperature processing and be free of any contaminants that may absorb the laser wavelength and speed up the thermal rise.

Use of RFID Technology in Libraries: An Automated Metheod of Circulation, Security, Tracking and... by Syed Mohammad Shahid
1. Introduction RFID is an acronym for Radio Frequency Identification. It is a technology that allows an item, for example a library book to be tracked and communicated with by radio waves. This technology is similar in concept to a Cell Phone. Radio frequency identification, or RFID, is a... Readers in RFID library are used in the following ways: Conversion station-where library data is written to the tag; Staff workstation at circulation- used to charge and discharge library materials; Self check-out station-used to check-out library materials without staff assistance; Self check-in...