JPS63164862U - - Google Patents
Info
- Publication number
- JPS63164862U JPS63164862U JP5539687U JP5539687U JPS63164862U JP S63164862 U JPS63164862 U JP S63164862U JP 5539687 U JP5539687 U JP 5539687U JP 5539687 U JP5539687 U JP 5539687U JP S63164862 U JPS63164862 U JP S63164862U
- Authority
- JP
- Japan
- Prior art keywords
- glass substrate
- coating layer
- magnetic disk
- layer according
- substrate magnetic
- 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.)
- Pending
Links
- 239000011247 coating layer Substances 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Description
第１図および第２図は本考案の具体例の説明図
である。
１……ガラス基板磁気デイスク、２……コーテ
イング層、３……取付部品（スペーサー）、４…
…取付部品（締結金具）。
FIGS. 1 and 2 are explanatory diagrams of specific examples of the present invention. 1...Glass substrate magnetic disk, 2...Coating layer, 3...Mounting parts (spacer), 4...
...Mounting parts (fastening metal fittings).
Claims (1)
部分にコーテイング層を設けてなることを特徴と
するガラス基板磁気デイスク。 (2) 実用新案登録請求の範囲第１項記載のコー
テイング層が、プラスチツク材料からなることを
特徴とするガラス基板磁気デイスク。 (3) 実用新案登録請求の範囲第１項記載のコー
テイング層が、デイスクの内周側面および内周面
取部を含んだ部分に設けられていることを特徴と
するガラス基板磁気デイスク。 (4) 実用新案登録請求の範囲第１項記載のコー
テイング層が、軟質金属あるいはその合金からな
ることを特徴とするガラス基板磁気デイスク。 (5) 実用新案登録請求の範囲第２項記載のコー
テイング層の厚さが５〜５０μｍの範囲にあるこ
とを特徴とするガラス基板磁気デイスク。 (6) 実用新案登録請求の範囲第４項記載のコー
テイング層の厚さが１０〜１００μｍの範囲にあ
ることを特徴とするガラス基板磁気デイスク。[Claims for Utility Model Registration] (1) A glass substrate magnetic disk characterized in that a coating layer is provided on the portion that comes into contact with the drive rotation shaft and mounting parts. (2) A glass substrate magnetic disk, wherein the coating layer according to claim 1 is made of a plastic material. (3) A glass substrate magnetic disk characterized in that the coating layer according to claim 1 of the utility model registration is provided on a portion including the inner circumferential side surface and the inner circumferential chamfered portion of the disk. (4) A glass substrate magnetic disk characterized in that the coating layer according to claim 1 is made of a soft metal or an alloy thereof. (5) A glass substrate magnetic disk characterized in that the thickness of the coating layer according to claim 2 is in the range of 5 to 50 μm. (6) A glass substrate magnetic disk characterized in that the thickness of the coating layer according to claim 4 is in the range of 10 to 100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5539687U JPS63164862U (en) | 1987-04-14 | 1987-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5539687U JPS63164862U (en) | 1987-04-14 | 1987-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63164862U true JPS63164862U (en) | 1988-10-27 |
Family
ID=30883259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5539687U Pending JPS63164862U (en) | 1987-04-14 | 1987-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63164862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000007189A1 (en) * | 1998-07-31 | 2000-02-10 | Sony Corporation | Discoid recording medium and disk drive |
-
1987
- 1987-04-14 JP JP5539687U patent/JPS63164862U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000007189A1 (en) * | 1998-07-31 | 2000-02-10 | Sony Corporation | Discoid recording medium and disk drive |
| CN100347782C (en) * | 1998-07-31 | 2007-11-07 | 索尼公司 | Disc-shaped recording medium and disc driving system |
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