Paper
3 November 2003 Fabrication of micropyramid prism array with coding gray-tone mask method
Qian Liu, Fuhua Gao, Feng Gao, Qingjun Peng, Yongkang Guo, Jun Yao
Author Affiliations +
Abstract
An optimized coding gray-tone mask method with multi-parameters is presented in this paper. Precise calculations, which are performed on the dead area in the backward reflection of the pyramid prism, demonstrate that the fringe error caused by the coding gray-tone mask has little affect on the performance of the pyramid prisms. This not only greatly reduce the resolution requirement of the coding gray-tone mask, but also reduce the errors produced by the exposure process. A satisfying simulation result is obtained with the designed coding gray-tone mask.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Qian Liu, Fuhua Gao, Feng Gao, Qingjun Peng, Yongkang Guo, and Jun Yao "Fabrication of micropyramid prism array with coding gray-tone mask method", Proc. SPIE 5183, Lithographic and Micromachining Techniques for Optical Component Fabrication II, (3 November 2003); https://doi.org/10.1117/12.505022
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KEYWORDS
Photomasks

Prisms

Modulation

Reflection

Image processing

Lithography

Opacity

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