We developed a 25GB ROM disc whose substrate is made of paper. Structure of the disc is based on the Blu-ray Disc format. We improved mechanical characteristics of a paper core by introducing a
symmetrical multi-layer structure. The signals in the paper disc were reproduced successfully and the jitter values were less than 6%.© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.