JPS6470925A - Making of magnetically recording carrier - Google Patents
Making of magnetically recording carrierInfo
- Publication number
- JPS6470925A JPS6470925A JP63196242A JP19624288A JPS6470925A JP S6470925 A JPS6470925 A JP S6470925A JP 63196242 A JP63196242 A JP 63196242A JP 19624288 A JP19624288 A JP 19624288A JP S6470925 A JPS6470925 A JP S6470925A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- magnetic
- contg
- underlayer
- substrate
- 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
Links
- 239000010410 layer Substances 0.000 abstract 8
- 230000005291 magnetic effect Effects 0.000 abstract 7
- 239000000758 substrate Substances 0.000 abstract 3
- 230000005294 ferromagnetic effect Effects 0.000 abstract 2
- 238000000992 sputter etching Methods 0.000 abstract 2
- 229910018104 Ni-P Inorganic materials 0.000 abstract 1
- 229910018536 Ni—P Inorganic materials 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000008246 gaseous mixture Substances 0.000 abstract 1
- 238000001755 magnetron sputter deposition Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000011241 protective layer Substances 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/928—Magnetic property
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
- Thin Magnetic Films (AREA)
- Physical Vapour Deposition (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873726464 DE3726464A1 (de) | 1987-08-08 | 1987-08-08 | Verfahren zur herstellung magnetischer aufzeichnungstraeger |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6470925A true JPS6470925A (en) | 1989-03-16 |
Family
ID=6333378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63196242A Pending JPS6470925A (en) | 1987-08-08 | 1988-08-08 | Making of magnetically recording carrier |
Country Status (4)
Country | Link |
---|---|
US (1) | US4900397A (ja) |
EP (1) | EP0303178A3 (ja) |
JP (1) | JPS6470925A (ja) |
DE (1) | DE3726464A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5316631A (en) * | 1989-02-16 | 1994-05-31 | Victor Company Of Japan, Ltd. | Method for fabricating a magnetic recording medium |
US5202810A (en) * | 1989-04-27 | 1993-04-13 | Hitachi, Ltd. | Magnetic disk having an improved surface configuration |
US5084152A (en) * | 1990-10-02 | 1992-01-28 | Industrial Technology Research Institute | Method for preparing high density magnetic recording medium |
EP1160782A3 (en) * | 1991-12-27 | 2004-09-22 | Honeywell International Inc. | Multilayered magnetooptical recording medium and manufacturing method |
US5536549A (en) * | 1993-08-02 | 1996-07-16 | Tulip Memory Systems, Inc. | Austenitic stainless steel substrate for magnetic-recording media |
US5733370A (en) * | 1996-01-16 | 1998-03-31 | Seagate Technology, Inc. | Method of manufacturing a bicrystal cluster magnetic recording medium |
US5830584A (en) * | 1996-01-16 | 1998-11-03 | Seagate Technology, Inc. | Bicrystal cluster magnetic recording medium |
JP3150898B2 (ja) * | 1996-02-19 | 2001-03-26 | 日本ミクロコーティング株式会社 | 表面にアモルファス−ニッケル−リンから成る被膜層を形成して成る被加工物の加工方法 |
US5879783A (en) * | 1996-08-05 | 1999-03-09 | Seagate Technology, Inc. | Low noise magnetic recording medium and method of manufacturing |
US5866227A (en) * | 1996-08-20 | 1999-02-02 | Seagate Technology, Inc. | Magnetic recording medium with partially oxidized seed layer |
GB2334134B (en) * | 1996-10-17 | 2000-10-25 | Seagate Technology | Magnetic recording medium comprising a nickel aluminum or iron aluminum underlayer |
JP3371062B2 (ja) | 1996-11-05 | 2003-01-27 | 株式会社日立製作所 | 磁気記録媒体、その製造方法及び磁気記憶装置 |
US6218028B1 (en) | 1997-01-15 | 2001-04-17 | Seagate Technology Llc | High coercivity magnetic recording medium comprising a sputter textured layer |
US6010795A (en) * | 1997-02-26 | 2000-01-04 | Seagate Technology, Inc. | Magnetic recording medium comprising a nickel aluminum or iron aluminum underlayer and chromium containing intermediate layer each having (200) dominant crystalographic orientation |
US6139981A (en) * | 1997-10-23 | 2000-10-31 | Seagate Technology, Inc. | Magnetic thin film medium with adhesion enhancement layer |
US6095160A (en) * | 1998-04-06 | 2000-08-01 | Chu; Xi | In-situ magnetron assisted DC plasma etching apparatus and method for cleaning magnetic recording disks |
US6413608B1 (en) | 1999-06-18 | 2002-07-02 | International Business Machines Corporation | Seed layer and underlayer with high and low oxygen concentration portions for hand disk magnetic recording medium on a glass substrate |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59177726A (ja) * | 1983-03-28 | 1984-10-08 | Toshiba Corp | 垂直磁気デイスク記録媒体 |
US4610911A (en) * | 1983-11-03 | 1986-09-09 | Hewlett-Packard Company | Thin film magnetic recording media |
US4552820A (en) * | 1984-04-25 | 1985-11-12 | Lin Data Corporation | Disc media |
US4659605A (en) * | 1984-05-16 | 1987-04-21 | Richardson Chemical Company | Electroless deposition magnetic recording media process and products produced thereby |
JPS61120330A (ja) * | 1984-11-14 | 1986-06-07 | Ulvac Corp | 面内記録型磁気記録体 |
US4698251A (en) * | 1985-01-22 | 1987-10-06 | Victor Company Of Japan, Limited | Magnetic recording medium and method of producing the same |
EP0205239A3 (en) * | 1985-05-03 | 1987-11-19 | Akashic Memories Corporation | Thin film magnetic disc |
US4786564A (en) * | 1987-02-25 | 1988-11-22 | Komag, Inc. | Method for manufacturing a magnetic disk having reduced bit shift, minimized noise, increased resolution and uniform magnetic characteristics, and the resulting disk |
-
1987
- 1987-08-08 DE DE19873726464 patent/DE3726464A1/de not_active Withdrawn
-
1988
- 1988-08-04 EP EP88112669A patent/EP0303178A3/de not_active Withdrawn
- 1988-08-05 US US07/228,724 patent/US4900397A/en not_active Expired - Fee Related
- 1988-08-08 JP JP63196242A patent/JPS6470925A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE3726464A1 (de) | 1989-02-16 |
EP0303178A3 (de) | 1989-12-20 |
EP0303178A2 (de) | 1989-02-15 |
US4900397A (en) | 1990-02-13 |
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