JP2005044476A - 磁気転写用マスター担体 - Google Patents
磁気転写用マスター担体 Download PDFInfo
- Publication number
- JP2005044476A JP2005044476A JP2003280404A JP2003280404A JP2005044476A JP 2005044476 A JP2005044476 A JP 2005044476A JP 2003280404 A JP2003280404 A JP 2003280404A JP 2003280404 A JP2003280404 A JP 2003280404A JP 2005044476 A JP2005044476 A JP 2005044476A
- Authority
- JP
- Japan
- Prior art keywords
- master carrier
- substrate
- magnetic
- transfer
- recording medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
- G11B5/865—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers by contact "printing"
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
Abstract
【解決手段】 本発明にかかる磁気転写用マスター担体10は、基板11と、基板11の表面に形成された磁性層14とを備え、磁性層14の表面に磁気記録媒体20に転写すべき情報に応じた凹凸状の転写パターンが設けられ、転写パターンが形成されていない箇所に肉ぬすみ部16を設ける。
【選択図】 図1
Description
11,21,31,41 基板
12,22,32,43 転写領域
13,23,33,43 非転写領域
14,24 磁性層
16,26,36,46 肉ぬすみ部
20 磁気記録媒体(スレーブ媒体)
Claims (4)
- 基板と、該基板の表面に形成された磁性層とを備え、該磁性層の表面に磁気記録媒体に転写すべき情報に応じた凹凸状の転写パターンが設けられた磁気転写用マスター担体であって、
前記転写パターンが形成されていない箇所に肉ぬすみ部を設けたことを特徴とする磁気転写用マスター担体。 - 前記肉ぬすみ部が前記基板の厚さ方向に貫通する貫通孔であることを特徴とする請求項1に記載の磁気転写用マスター担体。
- 前記肉ぬすみ部が前記基板の厚さが薄くなるように形成された薄肉部であることを特徴とする請求項1に記載の磁気転写用マスター担体。
- 前記肉ぬすみ部が前記基板の厚さ方向に貫通し且つ径方向内方から外方にわたって形成されたスリットであって、該スリットが、前記基板の外周端部又は内周端部をその周方向において分断するように、形成されていることを特徴とする請求項1に記載の磁気転写用マスター担体。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003280404A JP2005044476A (ja) | 2003-07-25 | 2003-07-25 | 磁気転写用マスター担体 |
EP04017504A EP1501082A1 (en) | 2003-07-25 | 2004-07-23 | Master carrier for magnetic transfer |
US10/897,162 US7368186B2 (en) | 2003-07-25 | 2004-07-23 | Master carrier for magnetic transfer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003280404A JP2005044476A (ja) | 2003-07-25 | 2003-07-25 | 磁気転写用マスター担体 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005044476A true JP2005044476A (ja) | 2005-02-17 |
Family
ID=33487727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003280404A Abandoned JP2005044476A (ja) | 2003-07-25 | 2003-07-25 | 磁気転写用マスター担体 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7368186B2 (ja) |
EP (1) | EP1501082A1 (ja) |
JP (1) | JP2005044476A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006260690A (ja) * | 2005-03-17 | 2006-09-28 | Fuji Photo Film Co Ltd | 磁気転写用マスターディスク |
US20110311303A1 (en) * | 2010-06-18 | 2011-12-22 | Kenneth Damon Black | Method and apparatus for rotor torque transmission |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW342495B (en) | 1996-07-22 | 1998-10-11 | Matsushita Electric Ind Co Ltd | Master information carrier, method of producing the same, and method for recording master information signal on magnetic recording medium |
JP3323743B2 (ja) | 1996-07-22 | 2002-09-09 | 松下電器産業株式会社 | マスター情報担体および磁気記録媒体の製造方法 |
US6074126A (en) * | 1997-10-17 | 2000-06-13 | Sikorsky Aircraft Corporation | Structural interlock for inhibiting relative rotation between mating elements |
JP4118989B2 (ja) | 1997-12-01 | 2008-07-16 | 松下電器産業株式会社 | 磁気転写装置 |
JP2002074656A (ja) * | 2000-09-04 | 2002-03-15 | Fuji Photo Film Co Ltd | 磁気転写方法 |
US6980380B2 (en) | 2001-12-28 | 2005-12-27 | Matsushita Electric Industrial Co., Ltd. | Master information carrier and method for manufacturing magnetic disk |
-
2003
- 2003-07-25 JP JP2003280404A patent/JP2005044476A/ja not_active Abandoned
-
2004
- 2004-07-23 EP EP04017504A patent/EP1501082A1/en not_active Ceased
- 2004-07-23 US US10/897,162 patent/US7368186B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050018335A1 (en) | 2005-01-27 |
US7368186B2 (en) | 2008-05-06 |
EP1501082A1 (en) | 2005-01-26 |
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