CN115206349A - 磁记录介质的制造方法、磁记录介质及磁存储装置 - Google Patents
磁记录介质的制造方法、磁记录介质及磁存储装置 Download PDFInfo
- Publication number
- CN115206349A CN115206349A CN202210330080.1A CN202210330080A CN115206349A CN 115206349 A CN115206349 A CN 115206349A CN 202210330080 A CN202210330080 A CN 202210330080A CN 115206349 A CN115206349 A CN 115206349A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- recording medium
- mgo
- layer
- magnetic recording
- 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.)
- Pending
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Classifications
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- 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
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
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- 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
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- 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
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- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
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- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/851—Coating a support with a magnetic layer by sputtering
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021-064071 | 2021-04-05 | ||
JP2021064071A JP2022159710A (ja) | 2021-04-05 | 2021-04-05 | 磁気記録媒体の製造方法、磁気記録媒体及び磁気記憶装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115206349A true CN115206349A (zh) | 2022-10-18 |
Family
ID=83448270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210330080.1A Pending CN115206349A (zh) | 2021-04-05 | 2022-03-31 | 磁记录介质的制造方法、磁记录介质及磁存储装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20220319546A1 (zh) |
JP (1) | JP2022159710A (zh) |
CN (1) | CN115206349A (zh) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200926165A (en) * | 2007-12-03 | 2009-06-16 | Ching-Ray Chang | Perpendicular magnetic recording medium and method for fabricating the same |
US9672854B2 (en) * | 2013-09-30 | 2017-06-06 | Seagate Technology Llc | Magnetic stack including MgO-Ti(ON) interlayer |
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2021
- 2021-04-05 JP JP2021064071A patent/JP2022159710A/ja active Pending
-
2022
- 2022-03-29 US US17/656,964 patent/US20220319546A1/en active Pending
- 2022-03-31 CN CN202210330080.1A patent/CN115206349A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2022159710A (ja) | 2022-10-18 |
US20220319546A1 (en) | 2022-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: Tokyo, Japan Applicant after: Lishennoco Co.,Ltd. Applicant after: TOHOKU University Address before: Tokyo, Japan Applicant before: Showa electrical materials Co.,Ltd. Applicant before: TOHOKU University |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20230803 Address after: Tokyo, Japan Applicant after: Showa electrical materials Co.,Ltd. Applicant after: TOHOKU University Address before: Tokyo, Japan Applicant before: SHOWA DENKO Kabushiki Kaisha Applicant before: TOHOKU University |