JPS62256215A - 磁気記録媒体 - Google Patents
磁気記録媒体Info
- Publication number
- JPS62256215A JPS62256215A JP9979986A JP9979986A JPS62256215A JP S62256215 A JPS62256215 A JP S62256215A JP 9979986 A JP9979986 A JP 9979986A JP 9979986 A JP9979986 A JP 9979986A JP S62256215 A JPS62256215 A JP S62256215A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- surface roughness
- magnetic
- recording medium
- 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.)
- Granted
Links
- 239000010410 layer Substances 0.000 claims abstract description 65
- 230000003746 surface roughness Effects 0.000 claims abstract description 58
- 239000011241 protective layer Substances 0.000 claims abstract description 27
- 239000000919 ceramic Substances 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims abstract description 5
- 239000002344 surface layer Substances 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- 239000010408 film Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 239000011651 chromium Substances 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 7
- 238000007747 plating Methods 0.000 description 7
- 230000003068 static effect Effects 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 6
- 239000000956 alloy Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000010409 thin film Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910002441 CoNi Inorganic materials 0.000 description 1
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000005354 aluminosilicate glass Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 etc. Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000005477 sputtering target Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9979986A JPS62256215A (ja) | 1986-04-28 | 1986-04-28 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9979986A JPS62256215A (ja) | 1986-04-28 | 1986-04-28 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62256215A true JPS62256215A (ja) | 1987-11-07 |
| JPH0462413B2 JPH0462413B2 (enrdf_load_stackoverflow) | 1992-10-06 |
Family
ID=14256943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9979986A Granted JPS62256215A (ja) | 1986-04-28 | 1986-04-28 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62256215A (enrdf_load_stackoverflow) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63316314A (ja) * | 1987-06-18 | 1988-12-23 | Asahi Glass Co Ltd | 磁気ディスク用ガラス基板 |
| JPH0373419A (ja) * | 1989-05-22 | 1991-03-28 | Nippon Sheet Glass Co Ltd | 磁気記録媒体 |
| WO1997032055A1 (en) * | 1996-02-28 | 1997-09-04 | Seagate Technology, Inc. | Sputter textured magnetic recording medium |
| US5871621A (en) * | 1994-09-27 | 1999-02-16 | Komag, Incorporated | Method of fabricating a textured magnetic storage disk |
| US6156404A (en) * | 1996-10-18 | 2000-12-05 | Komag, Inc. | Method of making high performance, low noise isotropic magnetic media including a chromium underlayer |
| US6383404B1 (en) * | 1998-08-19 | 2002-05-07 | Hoya Corporation | Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60117415A (ja) * | 1983-11-29 | 1985-06-24 | Matsushita Electric Ind Co Ltd | 薄膜型磁気記録媒体 |
| JPS613322A (ja) * | 1984-06-14 | 1986-01-09 | Mitsubishi Electric Corp | 磁気デイスク装置 |
| JPS6180525A (ja) * | 1984-09-26 | 1986-04-24 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
-
1986
- 1986-04-28 JP JP9979986A patent/JPS62256215A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60117415A (ja) * | 1983-11-29 | 1985-06-24 | Matsushita Electric Ind Co Ltd | 薄膜型磁気記録媒体 |
| JPS613322A (ja) * | 1984-06-14 | 1986-01-09 | Mitsubishi Electric Corp | 磁気デイスク装置 |
| JPS6180525A (ja) * | 1984-09-26 | 1986-04-24 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63316314A (ja) * | 1987-06-18 | 1988-12-23 | Asahi Glass Co Ltd | 磁気ディスク用ガラス基板 |
| JPH0373419A (ja) * | 1989-05-22 | 1991-03-28 | Nippon Sheet Glass Co Ltd | 磁気記録媒体 |
| US5427867A (en) * | 1989-05-22 | 1995-06-27 | Nippon Sheet Glass Co., Ltd. | Substrate used for magnetic disk and magnetic recording medium using the substrate |
| US5871621A (en) * | 1994-09-27 | 1999-02-16 | Komag, Incorporated | Method of fabricating a textured magnetic storage disk |
| WO1997032055A1 (en) * | 1996-02-28 | 1997-09-04 | Seagate Technology, Inc. | Sputter textured magnetic recording medium |
| GB2326169A (en) * | 1996-02-28 | 1998-12-16 | Seagate Technology | Sputter textured magnetic recording medium |
| GB2326169B (en) * | 1996-02-28 | 1999-09-22 | Seagate Technology | Sputter textured magnetic recording medium |
| US5985410A (en) * | 1996-02-28 | 1999-11-16 | Seagate Technology, Inc. | Sputter textured magnetic recording medium |
| US6156404A (en) * | 1996-10-18 | 2000-12-05 | Komag, Inc. | Method of making high performance, low noise isotropic magnetic media including a chromium underlayer |
| US6383404B1 (en) * | 1998-08-19 | 2002-05-07 | Hoya Corporation | Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same |
| US6548139B2 (en) | 1998-08-19 | 2003-04-15 | Hoya Corporation | Glass substrate for magnetic recording medium, magnetic recording medium, and method of manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0462413B2 (enrdf_load_stackoverflow) | 1992-10-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |