本文将概述激光模式投射到各种模具表面的历史、现状和未来计划，目的是向装配人员展示铺设在层压板中的预切割材料的正确位置。

This paper will survey the history, current state of the art, and future plans for projecting patterns of laser light onto a variety of tooling surfaces for the purpose of showing assemblers the proper location for pre-cut materials which are being laid up into a laminate.