Invention Grant
- Patent Title: Optical recording medium, and recording and reproducing method
- Patent Title (中): 光记录介质，以及记录和再现方法
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Application No.: US11409449Application Date: 2006-04-20
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Publication No.: US07920458B2Publication Date: 2011-04-05
- Inventor: Hiroshi Miura
- Applicant: Hiroshi Miura
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Cooper & Dunham LLP
- Priority: JP2005-130465 20050427; JP2005-138961 20050511; JP2006-054695 20060301
- Main IPC: G11B7/24
- IPC: G11B7/24
Abstract:
An optical recording medium is provided with at least a substrate, light absorbing and heat generating parts each of which absorbs light and generates heat, and recording parts, and each of the recording parts are formed between two recording tracks.
Public/Granted literature
- US20060245342A1 Optical recording medium, and recording and reproducing method Public/Granted day:2006-11-02
Information query
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