Abstract
We present a new lithography technique, namely digital-division-mask technique by binary coding, which is developed for
forming microstructure relief and improving the edge lithography resolution. The microstructure relief is firstly transformed
into multiple binary patterns and then they are superposed on a photoresist-coated silicon substrate in sequence. The
mechanism for improvement of image edge sharpness by using division method is disclosed, and the division principle is
described. As a result of the digital-division-mask lithography, positive photoresist patterns of zigzag gratings with a period
of 16m and 64m are fabricated..
Keywords
Digital-division-mask technique, Binary coding, Edge lithography resolution, Edge sharpness.
Citation
NINGNING LUO, YIQING GAO, ZHIMIN ZHANG, MENGCHAO XIAO, Digital-division-mask technique by binary coding for microstructure fabrication, Optoelectronics and Advanced Materials - Rapid Communications, 6, 1-2, January-February 2012, pp.313-318 (2012).
Submitted at: Nov. 29, 2011
Accepted at: Feb. 20, 2012