JPS6273426A - 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
- JPS6273426A JPS6273426A JP21346685A JP21346685A JPS6273426A JP S6273426 A JPS6273426 A JP S6273426A JP 21346685 A JP21346685 A JP 21346685A JP 21346685 A JP21346685 A JP 21346685A JP S6273426 A JPS6273426 A JP S6273426A
- Authority
- JP
- Japan
- Prior art keywords
- film
- glass substrate
- magnetic
- thin film
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000758 substrate Substances 0.000 claims abstract description 55
- 239000010408 film Substances 0.000 claims abstract description 37
- 239000011521 glass Substances 0.000 claims abstract description 36
- 239000010409 thin film Substances 0.000 claims abstract description 20
- 230000003746 surface roughness Effects 0.000 claims abstract description 14
- 238000005342 ion exchange Methods 0.000 claims abstract description 12
- 238000005498 polishing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 16
- 238000000151 deposition Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 11
- 238000005452 bending Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000005188 flotation Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000005361 soda-lime glass Substances 0.000 description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000005354 aluminosilicate glass Substances 0.000 description 3
- 229910000420 cerium oxide Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- 238000007517 polishing process Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910020630 Co Ni Inorganic materials 0.000 description 2
- 229910002440 Co–Ni Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21346685A JPS6273426A (ja) | 1985-09-26 | 1985-09-26 | 磁気記録媒体の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21346685A JPS6273426A (ja) | 1985-09-26 | 1985-09-26 | 磁気記録媒体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6273426A true JPS6273426A (ja) | 1987-04-04 |
| JPH0352130B2 JPH0352130B2 (enrdf_load_stackoverflow) | 1991-08-09 |
Family
ID=16639669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21346685A Granted JPS6273426A (ja) | 1985-09-26 | 1985-09-26 | 磁気記録媒体の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6273426A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63175220A (ja) * | 1987-01-16 | 1988-07-19 | Tdk Corp | 磁気記録媒体 |
| JPS6455703A (en) * | 1987-08-27 | 1989-03-02 | Tdk Corp | Magnetic recording and reproducing device |
| JPH0231325A (ja) * | 1988-07-20 | 1990-02-01 | Hoya Corp | 記録媒体用ガラス基板及び記録媒体並びにそれらの製造方法 |
-
1985
- 1985-09-26 JP JP21346685A patent/JPS6273426A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63175220A (ja) * | 1987-01-16 | 1988-07-19 | Tdk Corp | 磁気記録媒体 |
| JPS6455703A (en) * | 1987-08-27 | 1989-03-02 | Tdk Corp | Magnetic recording and reproducing device |
| JPH0231325A (ja) * | 1988-07-20 | 1990-02-01 | Hoya Corp | 記録媒体用ガラス基板及び記録媒体並びにそれらの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0352130B2 (enrdf_load_stackoverflow) | 1991-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |