JPS58164030A - 磁気記録媒体の製造方法 - Google Patents
磁気記録媒体の製造方法Info
- Publication number
- JPS58164030A JPS58164030A JP57047672A JP4767282A JPS58164030A JP S58164030 A JPS58164030 A JP S58164030A JP 57047672 A JP57047672 A JP 57047672A JP 4767282 A JP4767282 A JP 4767282A JP S58164030 A JPS58164030 A JP S58164030A
- Authority
- JP
- Japan
- Prior art keywords
- protective film
- recording medium
- magnetic recording
- boron nitride
- ferromagnetic layer
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 44
- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 229910052582 BN Inorganic materials 0.000 claims abstract description 16
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 6
- 238000005268 plasma chemical vapour deposition Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims 2
- 238000004544 sputter deposition Methods 0.000 abstract description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57047672A JPS58164030A (ja) | 1982-03-25 | 1982-03-25 | 磁気記録媒体の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57047672A JPS58164030A (ja) | 1982-03-25 | 1982-03-25 | 磁気記録媒体の製造方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP34107390A Division JPH03259417A (ja) | 1990-11-30 | 1990-11-30 | 磁気記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58164030A true JPS58164030A (ja) | 1983-09-28 |
JPH0355887B2 JPH0355887B2 (enrdf_load_html_response) | 1991-08-26 |
Family
ID=12781752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57047672A Granted JPS58164030A (ja) | 1982-03-25 | 1982-03-25 | 磁気記録媒体の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58164030A (enrdf_load_html_response) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4777068A (en) * | 1984-08-10 | 1988-10-11 | Canon Kabushiki Kaisha | Optical recording medium |
US5073460A (en) * | 1984-10-22 | 1991-12-17 | Hitachi, Ltd. | Magnetic recording medium and process for producing the same |
US5268799A (en) * | 1989-02-27 | 1993-12-07 | Tdk Corporation | Magnetic recording and reproducing apparatus |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57181428A (en) * | 1981-04-30 | 1982-11-08 | Hitachi Maxell Ltd | Magnetic recording medium and its manufacture |
-
1982
- 1982-03-25 JP JP57047672A patent/JPS58164030A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57181428A (en) * | 1981-04-30 | 1982-11-08 | Hitachi Maxell Ltd | Magnetic recording medium and its manufacture |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4777068A (en) * | 1984-08-10 | 1988-10-11 | Canon Kabushiki Kaisha | Optical recording medium |
US5073460A (en) * | 1984-10-22 | 1991-12-17 | Hitachi, Ltd. | Magnetic recording medium and process for producing the same |
US5268799A (en) * | 1989-02-27 | 1993-12-07 | Tdk Corporation | Magnetic recording and reproducing apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPH0355887B2 (enrdf_load_html_response) | 1991-08-26 |
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