Tsinghua University’s admission letter uses laser engraving technology

Learned from Tsinghua University, Tsinghua University 2021 admission letter officially released. This year’s notice of the shell material and three-dimensional gate structure have been upgraded, laser engraving, manual Mosaic of the new version of the notice color is more beautiful lasting, three-dimensional structure is more stable.

Carving is an ancient art. Since ancient times, dental carving, jade carving, wood carving, stone carving, clay carving, face carving, bamboo carving, bone carving, inkstone carving, etc., have jointly formed a precious artistic heritage of Chinese arts and crafts. Carving tools are also multifarious, carving knife, chisel, round chisel, awl (cone), flat axe and hammer…… This is a field that has nothing to do with lasers, so to speak. Can enter the 21st century, with the continuous deepening of the application of laser technology, the development of electronic technology and the wide application of computer aided design, two irrelevant technical fields have intersection, integration into the “laser engraving technology”. Laser has become a tool for engraving, and the object of engraving is not limited to the above types, more glass, steel, plastic and other types of engraving.

Laser engraving is divided into outer carving and inner carving, compared with outer carving, inner carving technology is more difficult, and the artistic effect of the product is better. Laser engraving through a variety of plastic materials or can be carved, carved hard materials, to create a certain space visible, touchable artistic image, so as to reflect social life, express people’s will.