公开(公告)号：US20070002720A1

公开(公告)日：2007-01-04

申请号：US11208611

申请日：2005-08-23

Applicant: Hung-Chieh Cheng ,  Rod Huang

Inventor： Hung-Chieh Cheng ,  Rod Huang

IPC: G11B7/24

CPC classification number: G11B7/00736 ,  G11B7/24079 ,  G11B7/24082 ,  G11B2007/0006

Abstract: An optical data storage medium which has a recording layer and a reflective layer formed on a substrate with a pregroove, is characterized in that a track pitch of the pregroove is equal to or greater than 0.535 μm and less than 0.74 μm.

Abstract translation: 具有记录层和形成在具有预槽的基板上的反射层的光学数据存储介质的特征在于，预制槽的轨道间距等于或大于0.535μm，小于0.74μm。