A planetary gearset printed in place with subpixel clearances. (IMAGE)
Caption
A planetary gearset with a gear module of 50 μm fabricated using grayscale mask compensation and segmented exposure, with scanning electron microscopy revealing a clearance of 1.6 μm, equivalent to 0.8 times the printer's projected pixel pitch.
Credit
Mingpei Cang, Haidong Wu, Hanzhang Zhi, Anchenyi Yang, Leihan Zhang, Jikai Liu, Hao Li, Ying Zhou*, Shanghua Wu* and Huachen Cui*
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted.
License
CC BY-NC