Invention Grant
US07641822B2 Master information carrier for magnetic transfer and a method for producing the carrier
失效
用于磁转移的主信息载体和用于生成载体的方法
- Patent Title: Master information carrier for magnetic transfer and a method for producing the carrier
- Patent Title (中): 用于磁转移的主信息载体和用于生成载体的方法
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Application No.: US11311402Application Date: 2005-12-20
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Publication No.: US07641822B2Publication Date: 2010-01-05
- Inventor: Kazunori Komatsu , Toshihiro Usa
- Applicant: Kazunori Komatsu , Toshihiro Usa
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2002-202629 20020711
- Main IPC: B29D17/00
- IPC: B29D17/00
Abstract:
A method of producing a master information carrier by scanning a track a number of times. The method produces a master information carrier has a pattern of a magnetic layer representing information to be transferred to a high-density recording slave medium where the track width is not larger than 0.3 μm. The pattern is drawn by scanning a given track a plurality of times with an electron beam whose drawing diameter is smaller than the track width.
Public/Granted literature
- US20060099331A1 Master information carrier for magnetic transfer and a method for producing the carrier Public/Granted day:2006-05-11
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