title: Modeling and realization of a multilevel read-only disk.
abstract: A model for exposing and developing photoresist using the reaction mechanism of physics and the chemistry of resist is built, and the micropatterns of recording marks on a stamper are calculated. Compared with our experimental results, the deviation of pit width in simulation is less than 8%. When the width of recording marks is varied by modulating laser power during exposure, a multilevel (ML) read-only disk can be achieved as a result of the corresponding readout signal. Experimental results show that an 8-level read-only optical disk can be realized. The model of mastering serves well for the development of novel ML disks in which the integration of conventional run-length deviations technologies can greatly increase recording density.
authors.forename: Jie
authors.initials: J
authors.lastname: Song
authors.forename: Yi
authors.initials: Y
authors.lastname: Ni
authors.forename: Duanyi
authors.initials: D
authors.lastname: Xu
authors.forename: Longfa
authors.initials: L
authors.lastname: Pan
authors.forename: Qicheng
authors.initials: Q
authors.lastname: Zhang
authors.forename: Heng
authors.initials: H
authors.lastname: Hu