Neodymium Yttrium Aluminum Garnet (Nd:YAG) Laser Marking System

Ronald L. Hansen

doi:10.1117/12.959374

31 October 1980 Neodymium Yttrium Aluminum Garnet (Nd:YAG) Laser Marking System

Ronald L. Hansen

Proceedings Volume 0247, Advances in Laser Engineering and Applications; (1980) https://doi.org/10.1117/12.959374
Event: 24th Annual Technical Symposium, 1980, San Diego, United States

Abstract

A Nd:YAG laser-based microprocessor-controlled marking system has been developed for commercial use. It can mark a variety of metallic, semiconductor, plastic, and coated materials with letters, numbers, special symbols, and company logos. The alpha-numeric information is presented in a standard 5 by 7 dot matrix format, with continuously adjustable character height up to 7 mm. Programming features of the control system allow for either automatic or manual serializing, editing of messages during laser marking, "reverse-video" marking, among others. Depending upon the marked material or the required marking rate, either a CW pumped Q-Switched laser or a flash-pumped pulsed laser is used. Examples of marked materials are shown.

Citation Download Citation

Ronald L. Hansen "Neodymium Yttrium Aluminum Garnet (Nd:YAG) Laser Marking System", Proc. SPIE 0247, Advances in Laser Engineering and Applications, (31 October 1980); https://doi.org/10.1117/12.959374

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