WO2008133060A1 - 垂直磁気記録媒体 - Google Patents

垂直磁気記録媒体 Download PDF

Info

Publication number: WO2008133060A1
Authority: WO; WIPO (PCT)
Prior art keywords: recording medium; magnetic recording; perpendicular magnetic; medium; recording
Prior art date: 2007-04-13
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.): Ceased

Application number

PCT/JP2008/057206

Other languages

English (en)

French (fr)

Inventor

Hiroyuki Uwazumi

Yasushi Sakai

Shunji Takenoiri

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Fuji Electric Co Ltd

Original Assignee

Fuji Electric Device Technology Co Ltd

Priority date (The priority date 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 date listed.)

2007-04-13

Filing date

2008-04-11

Publication date

2008-11-06

2008-04-11 Application filed by Fuji Electric Device Technology Co Ltd filed Critical Fuji Electric Device Technology Co Ltd

2008-04-11 Priority to US12/595,618 priority Critical patent/US8105707B2/en

2008-04-11 Priority to JP2009511787A priority patent/JP4626861B2/ja

2008-11-06 Publication of WO2008133060A1 publication Critical patent/WO2008133060A1/ja

2009-10-13 Anticipated expiration legal-status Critical

Status Ceased legal-status Critical Current

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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
- G11B5/657—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing inorganic, non-oxide compound of Si, N, P, B, H or C, e.g. in metal alloy or compound
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer
- G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
- G11B5/737—Physical structure of underlayer, e.g. texture

Landscapes

Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Engineering & Computer Science (AREA)
Metallurgy (AREA)
Magnetic Record Carriers (AREA)

PCT/JP2008/057206 2007-04-13 2008-04-11 垂直磁気記録媒体 Ceased WO2008133060A1 (ja)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
US12/595,618 US8105707B2 (en)	2007-04-13	2008-04-11	Perpendicular magnetic recording medium
JP2009511787A JP4626861B2 (ja)	2007-04-13	2008-04-11	垂直磁気記録媒体

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP2007-106193		2007-04-13
JP2007-106194		2007-04-13
JP2007106194		2007-04-13
JP2007106193		2007-04-13

Publications (1)

Publication Number	Publication Date
WO2008133060A1 true WO2008133060A1 (ja)	2008-11-06

Family

ID=39925518

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PCT/JP2008/057206 Ceased WO2008133060A1 (ja)	2007-04-13	2008-04-11	垂直磁気記録媒体

Country Status (3)

Country	Link
US (1)	US8105707B2 (ja)
JP (1)	JP4626861B2 (ja)
WO (1)	WO2008133060A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4940417B2 (ja) *	2008-08-28	2012-05-30	株式会社東芝	磁気記憶装置及び磁気記憶媒体
KR102451098B1 (ko)	2015-09-23	2022-10-05	삼성전자주식회사	자기 메모리 장치 및 이의 제조 방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2001312815A (ja) *	2000-04-27	2001-11-09	Showa Denko Kk	磁気記録媒体、その製造方法、スパッタリングターゲットおよび磁気記録再生装置
JP2003077122A (ja) *	2001-08-31	2003-03-14	Fuji Electric Co Ltd	垂直磁気記録媒体及びその製造方法
JP2003123245A (ja) *	2001-08-01	2003-04-25	Showa Denko Kk	磁気記録媒体、その製造方法、および磁気記録再生装置
JP2004310910A (ja) *	2003-04-07	2004-11-04	Showa Denko Kk	磁気記録媒体、その製造方法および磁気記録再生装置
WO2005088609A1 (ja) *	2004-03-15	2005-09-22	Fuji Electric Device Technology Co., Ltd.	垂直磁気記録媒体、その製造方法、および磁気記録装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
MY138888A (en)	1999-07-16	2009-08-28	Showa Denko Kk	Magnetic recording medium and magnetic recording and reproducing device.
JP3993786B2 (ja) *	2001-06-29	2007-10-17	富士通株式会社	磁気記録媒体
JP4214472B2 (ja)	2003-03-05	2009-01-28	富士電機デバイステクノロジー株式会社	垂直磁気記録媒体及びその製造方法
JP4761224B2 (ja) *	2006-10-12	2011-08-31	富士電機デバイステクノロジー株式会社	垂直磁気記録媒体

2008
- 2008-04-11 WO PCT/JP2008/057206 patent/WO2008133060A1/ja not_active Ceased
- 2008-04-11 JP JP2009511787A patent/JP4626861B2/ja not_active Expired - Fee Related
- 2008-04-11 US US12/595,618 patent/US8105707B2/en active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2001312815A (ja) *	2000-04-27	2001-11-09	Showa Denko Kk	磁気記録媒体、その製造方法、スパッタリングターゲットおよび磁気記録再生装置
JP2003123245A (ja) *	2001-08-01	2003-04-25	Showa Denko Kk	磁気記録媒体、その製造方法、および磁気記録再生装置
JP2003077122A (ja) *	2001-08-31	2003-03-14	Fuji Electric Co Ltd	垂直磁気記録媒体及びその製造方法
JP2004310910A (ja) *	2003-04-07	2004-11-04	Showa Denko Kk	磁気記録媒体、その製造方法および磁気記録再生装置
WO2005088609A1 (ja) *	2004-03-15	2005-09-22	Fuji Electric Device Technology Co., Ltd.	垂直磁気記録媒体、その製造方法、および磁気記録装置

Also Published As

Publication number	Publication date
JPWO2008133060A1 (ja)	2010-07-22
US8105707B2 (en)	2012-01-31
JP4626861B2 (ja)	2011-02-09
US20100165509A1 (en)	2010-07-01

Publication	Publication Date	Title
WO2009035075A1 (ja)	2009-03-19	磁気記録媒体
AU311130S (en)	2006-10-31	Recording medium
EP2037452B8 (en)	2013-05-01	Perpendicular magnetic recording medium and method of manufacturing the same
DE602006001037D1 (de)	2008-06-12	Magnetisches Aufzeichnungsmedium
IL201311A0 (en)	2010-05-31	Advantageous recording media for holographic applications
EP1872481A4 (en)	2009-12-23	RECORDING MEDIA WITH PIRATE PROTECTION
EP2102014A4 (en)	2010-09-01	INKJET RECORDING MEDIUM
EP2127203A4 (en)	2013-03-27	MULTIMEDIA CONTEXT INFORMATION
SG126816A1 (en)	2006-11-29	Perpendicular magnetic recording medium
EP2180473A4 (en)	2011-04-06	OPTICAL RECORDING MEDIUM
GB2433687B (en)	2011-03-09	Media recording selection system
AU323775S (en)	2009-01-12	Recording medium
SG120283A1 (en)	2006-03-28	Perpendicular magnetic recording medium
SG137734A1 (en)	2007-12-28	Magnetic recording medium and magnetic storage unit
SG128662A1 (en)	2007-01-30	Tilted magnetic recording media
WO2008133035A1 (ja)	2008-11-06	垂直磁気記録媒体
PL2203918T3 (pl)	2012-11-30	Nośniki zapisu dużej gęstości w kształcie dysku
EP2346043A4 (en)	2012-04-04	OPTICAL INFORMATION RECORDING MEDIUM
WO2008133060A1 (ja)	2008-11-06	垂直磁気記録媒体
TWI366823B (en)	2012-06-21	Optical recording medium
TWI315521B (en)	2009-10-01	Optical recording medium
SG122910A1 (en)	2006-06-29	Perpendicular magnetic recording medium
WO2008132880A1 (ja)	2008-11-06	垂直磁気記録媒体
EP2088594A4 (en)	2010-11-10	RECORDING MEDIUM FOR OPTICAL INFORMATION
EP1993847A4 (en)	2009-11-11	OPTICAL RECORDING MEDIUM

Legal Events

Date	Code	Title	Description
2008-12-24	121	Ep: the epo has been informed by wipo that ep was designated in this application	Ref document number: 08740303 Country of ref document: EP Kind code of ref document: A1
2009-06-25	WWE	Wipo information: entry into national phase	Ref document number: 2009511787 Country of ref document: JP
2009-10-14	NENP	Non-entry into the national phase	Ref country code: DE
2010-03-15	WWE	Wipo information: entry into national phase	Ref document number: 12595618 Country of ref document: US
2010-05-12	122	Ep: pct application non-entry in european phase	Ref document number: 08740303 Country of ref document: EP Kind code of ref document: A1