Optical disk mastering an using optical superresolution effect

ShihYaon Tsai; TsungEong Hsieh; Han-Ping D. Shieh

doi:10.1117/12.390494

6 July 2000 Optical disk mastering an using optical superresolution effect

ShihYaon Tsai, TsungEong Hsieh, Han-Ping D. Shieh

Proceedings Volume 4081, Optical Storage and Optical Information Processing; (2000) https://doi.org/10.1117/12.390494
Event: Photonics Taiwan, 2000, Taipei, Taiwan

Abstract

We propose a new laser lithography technique using the effect of thermal-induced super resolution and demonstrate that the technique can effectively reduce the exposed spot size on the photoresist layer, thus allowing disk mastering toward higher density by using exiting light source and optics. A mask layer, whose nonlinear optical properties result in formation an aperture in high temperature area near to the center of the laser spot, is deposited on the top of the photoresist layer. Usually, the aperture size is much smaller than the laser spot, thus, achieving thermal- induced super resolution. The simulation and experimental results reveal that the line width on the photoresist layer could be shrunk by more than 40%.

Citation Download Citation

ShihYaon Tsai, TsungEong Hsieh, and Han-Ping D. Shieh "Optical disk mastering an using optical superresolution effect", Proc. SPIE 4081, Optical Storage and Optical Information Processing, (6 July 2000); https://doi.org/10.1117/12.390494

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