JPS62161353U - - Google Patents
Info
- Publication number
- JPS62161353U JPS62161353U JP5104486U JP5104486U JPS62161353U JP S62161353 U JPS62161353 U JP S62161353U JP 5104486 U JP5104486 U JP 5104486U JP 5104486 U JP5104486 U JP 5104486U JP S62161353 U JPS62161353 U JP S62161353U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- utility
- attached
- scope
- registration request
- 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
- 239000012779 reinforcing material Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Description
第１図は本考案の一実施例を示す断面図、第２
図はセンターハブを有する磁気デイスクでの本考
案の応用例を示す断面図、第３図は従来のデイス
ク回転をインデツクスホールにより検出する方式
の断面図である。
１……磁気デイスク、２……センターホール補
強シート、３……センターホール、４……インデ
ツクスホール、５……発光ダイオード、６……フ
オトセンサー、７……デイスクドライブのクラン
プ、８……センターハブ。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a sectional view showing an example of application of the present invention to a magnetic disk having a center hub, and FIG. 3 is a sectional view of a conventional system for detecting disk rotation using an index hole. 1... Magnetic disk, 2... Center hole reinforcing sheet, 3... Center hole, 4... Index hole, 5... Light emitting diode, 6... Photo sensor, 7... Disk drive clamp, 8... center hub.
Claims (1)
ツクスホールを含むセンターホール補強材を貼付
けたことを特徴とする磁気デイスク。 A magnetic disk characterized in that a center hole reinforcing material including an index hole for detecting rotation by sensing light is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5104486U JPS62161353U (en) | 1986-04-04 | 1986-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5104486U JPS62161353U (en) | 1986-04-04 | 1986-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62161353U true JPS62161353U (en) | 1987-10-14 |
Family
ID=30874954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5104486U Pending JPS62161353U (en) | 1986-04-04 | 1986-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62161353U (en) |
-
1986
- 1986-04-04 JP JP5104486U patent/JPS62161353U/ja active Pending