JPH0352130B2 - - Google Patents
Info
- Publication number
- JPH0352130B2 JPH0352130B2 JP21346685A JP21346685A JPH0352130B2 JP H0352130 B2 JPH0352130 B2 JP H0352130B2 JP 21346685 A JP21346685 A JP 21346685A JP 21346685 A JP21346685 A JP 21346685A JP H0352130 B2 JPH0352130 B2 JP H0352130B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- substrate
- magnetic
- glass
- 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.)
- Expired
Links
- 239000000758 substrate Substances 0.000 claims description 53
- 239000010408 film Substances 0.000 claims description 33
- 239000011521 glass Substances 0.000 claims description 30
- 239000010409 thin film Substances 0.000 claims description 17
- 230000003746 surface roughness Effects 0.000 claims description 11
- 238000005342 ion exchange Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 12
- 230000007547 defect Effects 0.000 description 9
- 239000005361 soda-lime glass Substances 0.000 description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 239000005354 aluminosilicate glass Substances 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 229910020630 Co Ni Inorganic materials 0.000 description 3
- 229910002440 Co–Ni Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 229910000420 cerium oxide Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 239000000463 material Substances 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
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000008119 colloidal silica Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- -1 Co alone Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910018104 Ni-P Inorganic materials 0.000 description 1
- 229910018536 Ni—P Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 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
- 239000002585 base Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 229910052742 iron 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
- 229910052759 nickel Inorganic materials 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
- 239000004576 sand Substances 0.000 description 1
- 229910001415 sodium ion 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 JPS6273426A (ja) | 1987-04-04 |
| JPH0352130B2 true JPH0352130B2 (de) | 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 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2547994B2 (ja) * | 1987-01-16 | 1996-10-30 | ティーディーケイ株式会社 | 磁気記録媒体 |
| JPH0695363B2 (ja) * | 1987-08-27 | 1994-11-24 | ティーディーケイ株式会社 | 磁気記録再生装置 |
| JP2657967B2 (ja) * | 1988-07-20 | 1997-09-30 | ホーヤ株式会社 | 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
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6273426A (ja) | 1987-04-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5972460A (en) | Information recording medium | |
| US6544893B2 (en) | Method of manufacturing a glass substrate for an information recording medium, and method of manufacturing an information recording medium | |
| US5868953A (en) | Method for manufacturing a magnetic disk substrate | |
| JP4208035B2 (ja) | 情報記録媒体用ガラス基板及び磁気記録媒体並びに情報記録媒体用ガラス基板の製造方法 | |
| JP4176811B2 (ja) | 磁気記録媒体用ガラス基板、磁気記録媒体用ガラス基板の製造方法、及び磁気記録媒体の製造方法 | |
| SG178005A1 (en) | Glass substrate for magnetic disk and manufacturing method of the same | |
| CN1178361A (zh) | 玻璃衬底、磁性载声体以及磁性载声体的制造方法 | |
| JP3512702B2 (ja) | 情報記録媒体用ガラス基板の製造方法、及び情報記録媒体の製造方法 | |
| JPH11232627A (ja) | 情報記録媒体用基板 | |
| JP3254157B2 (ja) | 記録媒体用ガラス基板、及び該基板を用いた記録媒体 | |
| JPH0352130B2 (de) | ||
| JPH10241134A (ja) | 情報記録媒体用ガラス基板及びこれを用いた磁気記録媒体 | |
| JPH08124153A (ja) | 磁気記録媒体用ガラス基板、その製造方法及び磁気記録媒体 | |
| KR20050005233A (ko) | 유리 기판의 마이크로에칭 처리시 사용하기 위한 용융물의ｐｈ 조절 방법 | |
| JP2003173518A (ja) | 磁気記録媒体用ガラス基板の製造方法、及び磁気記録媒体の製造方法 | |
| JP2998952B2 (ja) | 記録媒体用ガラス基板及び記録媒体の製造方法 | |
| JP3577486B2 (ja) | 磁気記録媒体及びその製造方法 | |
| JPH044656B2 (de) | ||
| JP3564631B2 (ja) | 情報記録媒体用ガラス基板の製造方法及び情報記録媒体の製造方法、並びに磁気ディスク用ガラス基板の製造方法及び磁気ディスクの製造方法。 | |
| JP2547994B2 (ja) | 磁気記録媒体 | |
| JP4099291B2 (ja) | 磁気ディスク用ガラス基板の製造方法 | |
| JP3600767B2 (ja) | 情報記録媒体用ガラス基板及びその製造方法並びに該基板を用いた磁気記録媒体及びその製造方法 | |
| JPH10194785A (ja) | 情報記録媒体用ガラス基板の製造方法、及び情報記録媒体の製造方法 | |
| JP2967698B2 (ja) | 磁気記録媒体の製造方法 | |
| JPH10194786A (ja) | 情報記録媒体用ガラス基板の製造方法、及び情報記録媒体の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |