发明名称 TRANSFER TOOL, MANUFACTURING METHOD OF GLASS SUBSTRATE FOR RECORDING MEDIUM, GLASS SUBSTRATE FOR RECORDING MEDIUM AND RECORDING MEDIUM
摘要 PROBLEM TO BE SOLVED: To provide a transfer tool by which a glass substrate for a recording medium can be stably transferred and the glass substrate is not damaged, to provide a manufacturing method of the glass substrate for the recording medium using the transfer tool and to provide the glass substrate for the recording medium and the recording medium. SOLUTION: In the transfer tool 5 transferring the glass substrate having an opening part in the center part thereof, the transfer tool 5 has a bar-shaped transfer part 50 and a grip part 51 and the opening part is supported by two supporting parts P1 and P2 of recessed parts of the transfer part 50. The transfer tool is characterized in that the transfer part 50 has a bar-shaped core material 502 and a pair of plate materials 501 with recessed parts fixed and held to side surfaces of the core material, the bar-shaped core material 502 is made of metal and the pair of plate materials 501 are made of resin. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008159199(A) 申请公布日期 2008.07.10
申请号 JP20060348961 申请日期 2006.12.26
申请人 KONICA MINOLTA OPTO INC 发明人 ISHIDA FUTOSHI;SASAKI KENICHI;SAWADA HIROAKI
分类号 G11B5/84;C03C21/00;G11B5/73 主分类号 G11B5/84
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