Invention Grant
- Patent Title: Optical recording medium and method for making the same
- Patent Title (中): 光记录媒体及其制作方法
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Application No.: US10264472Application Date: 2002-10-03
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Publication No.: US07078149B2Publication Date: 2006-07-18
- Inventor: Wen-Dar Liu , Nae-Jen Wang , Wan-Chun Chen , Biing-Hwang Lin , Hui-Jen Chen , Hsin-Te Kuo
- Applicant: Wen-Dar Liu , Nae-Jen Wang , Wan-Chun Chen , Biing-Hwang Lin , Hui-Jen Chen , Hsin-Te Kuo
- Applicant Address: TW Hsinchu
- Assignee: Ritek Corporation
- Current Assignee: Ritek Corporation
- Current Assignee Address: TW Hsinchu
- Agency: J.C. Patents
- Priority: TW91112983A 20020612
- Main IPC: G11B7/24
- IPC: G11B7/24

Abstract:
A method for fabricating an optical recording medium is provided. A dye layer is formed on a molded substrate by spin-coating. A reflection layer is formed on the dye layer by sputtering so that the optical disc has enough reflection rate. The dye layer comprises a cyanine type dye and an azo metal chelate compound selected from the formula (I): wherein M is a metal ion; R1 is a hydrogen atom, a linear or branched alkyl group containing 1 to 6 carbon atoms, amino group, alkyl amino group or toluidinyl group; R2 is a hydrogen atom, a hydroxyl group, a halogen atom, an ether group, an ester group or a linear or branched alkyl group containing 1 to 6 carbon atoms; R3 is a hydrogen atom or a linear or branched alkyl group containing 1 to 6 carbon atoms; R4 is a hydrogen atom, a halogen atom or a linear or branched alkyl group containing 1 to 6 carbon atoms; A1 is a heterocyclic derivative group constituted by carbon atoms and nitrogen atoms.
Public/Granted literature
- US20030235783A1 Optical recording medium and method for making the same Public/Granted day:2003-12-25
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