JPS6313148A - 光磁気記録用フロツピ−デイスクのガラス基板の同心度を高める方法およびその装置 - Google Patents
光磁気記録用フロツピ−デイスクのガラス基板の同心度を高める方法およびその装置Info
- Publication number
- JPS6313148A JPS6313148A JP11236285A JP11236285A JPS6313148A JP S6313148 A JPS6313148 A JP S6313148A JP 11236285 A JP11236285 A JP 11236285A JP 11236285 A JP11236285 A JP 11236285A JP S6313148 A JPS6313148 A JP S6313148A
- Authority
- JP
- Japan
- Prior art keywords
- glass substrate
- concentricity
- glass plate
- center hole
- floppy disk
- 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
- 239000011521 glass Substances 0.000 title claims abstract description 54
- 239000000758 substrate Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims description 20
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 27
- 239000010432 diamond Substances 0.000 claims abstract description 27
- 238000003754 machining Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000006247 magnetic powder Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Turning (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11236285A JPS6313148A (ja) | 1985-05-27 | 1985-05-27 | 光磁気記録用フロツピ−デイスクのガラス基板の同心度を高める方法およびその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11236285A JPS6313148A (ja) | 1985-05-27 | 1985-05-27 | 光磁気記録用フロツピ−デイスクのガラス基板の同心度を高める方法およびその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6313148A true JPS6313148A (ja) | 1988-01-20 |
| JPH036583B2 JPH036583B2 (enExample) | 1991-01-30 |
Family
ID=14584788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11236285A Granted JPS6313148A (ja) | 1985-05-27 | 1985-05-27 | 光磁気記録用フロツピ−デイスクのガラス基板の同心度を高める方法およびその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6313148A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58223054A (ja) * | 1982-06-18 | 1983-12-24 | Terumo Corp | イオン電極用基体およびイオン電極 |
| JPH01103014U (enExample) * | 1987-12-28 | 1989-07-12 |
-
1985
- 1985-05-27 JP JP11236285A patent/JPS6313148A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58223054A (ja) * | 1982-06-18 | 1983-12-24 | Terumo Corp | イオン電極用基体およびイオン電極 |
| JPH01103014U (enExample) * | 1987-12-28 | 1989-07-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH036583B2 (enExample) | 1991-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100570132B1 (ko) | 디스크 드라이브 데이터 저장 장치에 사용되는 글래스또는 세라믹 디스크를 위한 에지 마무리 처리 공정 | |
| JP3830291B2 (ja) | 研磨砥石の作製方法 | |
| JP3061605B2 (ja) | ドーナツ状基板の円孔研削工具 | |
| JP2001129750A (ja) | ワークエッジの研磨方法および研磨装置 | |
| JPS6313148A (ja) | 光磁気記録用フロツピ−デイスクのガラス基板の同心度を高める方法およびその装置 | |
| JP2898827B2 (ja) | 基板の切り出しおよび面取り方法と装置 | |
| JPH1133918A (ja) | 磁気記録媒体用基板の内外径加工用砥石及び内外径加工方法 | |
| WO2014178416A1 (ja) | 研削砥石、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 | |
| JPH05303735A (ja) | 磁気ディスクおよび磁気ディスク装置 | |
| JP2721642B2 (ja) | 傾斜ラッピング加工方法 | |
| JPH01210259A (ja) | 研磨装置 | |
| JPS6328552A (ja) | 非球面加工法 | |
| JPS62298953A (ja) | 溝付光デイスク原盤の製造方法 | |
| JP3368928B2 (ja) | 押出成形用金型の製造方法 | |
| JPS59219155A (ja) | 研磨加工機 | |
| JP2009015914A (ja) | 磁気ディスク用ガラス基板の製造方法、製造装置及び磁気ディスクの製造方法 | |
| JPH06710A (ja) | 工作機械及びその加工方法 | |
| Brehm | Diamond Machining of Metal & Plastic Optics | |
| JPS63232963A (ja) | 球面研磨装置 | |
| JPH06304854A (ja) | 両頭平面研削方法および装置 | |
| JPS61236402A (ja) | レ−ザピツクアツプ用アクチユエ−タの加工方法 | |
| JPS63300849A (ja) | ディスクの研削方法 | |
| JPH0752017A (ja) | 研削装置及び方法、並びにプリズムの製作方法 | |
| JPH0542466A (ja) | 磁気ヘツドの製造方法 | |
| JPS63228441A (ja) | 光デイスク原盤の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |