作者: Sung-min Kim , Seung-Jun Lee , Jeong-Geun Yoo
DOI:
关键词: First line 、 Second line 、 Engineering 、 Engineering drawing 、 Screen printing
摘要: A screen printing mesh including a plurality of octagonal first openings and polygonal second openings, each the being disposed between wherein an inner angle line segment adjacent is 90 degrees or greater.