发明名称 |
Multi-layer structure and method of drawing microscopic structure therein, optical disc master and method of fabricating the same using the multi-layer structure, and optical disc manufactured using the optical disc master |
摘要 |
A multi-layer structure whose volume changes when a temperature exceeds a predetermined threshold value, a microscopic structure drawing method that involves emitting a laser beam onto the multi-layer structure to create a temperature distribution within a beam spot and performing microscopic recording on a portion of the beam spot having a temperature higher than the threshold value, an optical disc master, and a mastering method using the same, where the multi-layer structure includes a substrate and a transformation layer formed on the substrate, wherein a volume of a portion of the transformation layer irradiated by a laser beam changes when the temperature of the portion exceeds a predetermined temperature. The microscopic structure drawing method includes emitting the laser beam onto a predetermined region of the transformation layer and heating the region of the transformation layer irradiated by the laser beam beyond a predetermined temperature so that the heated region can undergo a volume change.
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申请公布号 |
US7435468(B2) |
申请公布日期 |
2008.10.14 |
申请号 |
US20040849522 |
申请日期 |
2004.05.20 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD.;NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCEAND TECHNOLOGY |
发明人 |
KIM JOO-HO;PARK IN-SIK;KUWAHARA MASASHI;TOMINAGA JUNJI;SIMA TAKAYUKI |
分类号 |
B32B9/00;G03F7/004;B32B17/06;B41M5/26;G11B7/0045;G11B7/24;G11B7/26 |
主分类号 |
B32B9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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