JPS63129269U - - Google Patents
Info
- Publication number
- JPS63129269U JPS63129269U JP1987016536U JP1653687U JPS63129269U JP S63129269 U JPS63129269 U JP S63129269U JP 1987016536 U JP1987016536 U JP 1987016536U JP 1653687 U JP1653687 U JP 1653687U JP S63129269 U JPS63129269 U JP S63129269U
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- fitting portion
- hub
- information recording
- recording 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.)
- Pending
Links
- 239000000758 substrate Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 1
Description
第１図は本考案の一実施例に係る情報記録デイ
スクを一部破断して示す斜視図、第２図はハブを
示す断面図、第３図は第１図に示された情報記録
デイスクの中央部を拡大して示す断面図、第４図
は従来の情報記録デイスクを一部破断して示す斜
視図である。
２ａ，２ｂ…基板、３…外周側スペーサ、４…
内周側スペーサ、１０…情報記録デイスク、１１
ａ，１１ｂ…ハブ、１２…センターホール、１３
…嵌合部、１４…鍔状部。
FIG. 1 is a partially cutaway perspective view of an information recording disk according to an embodiment of the present invention, FIG. 2 is a sectional view showing a hub, and FIG. 3 is a view of the information recording disk shown in FIG. 1. FIG. 4 is a partially cutaway perspective view of a conventional information recording disk. 2a, 2b...Substrate, 3...Outer spacer, 4...
Inner circumferential spacer, 10... Information recording disk, 11
a, 11b...Hub, 12...Center hole, 13
...fitting portion, 14...flange-shaped portion.
Claims (1)
状スペーサを介して接合しその中心部両面に磁性
体からなる円盤状のハブを取付けてなる情報記録
デイスクであつて、前記ハブがドライブ装置のス
ピンドルに嵌合するセンターホールと、前記基板
中心部に形成された開口に嵌合すべく突出した嵌
合部と、該嵌合部より大径で前記基板表面に密着
する鍔状部とからなり、前記嵌合部が前記ハブを
固着する基板の厚さより薄く形成されていること
を特徴とする情報記録デイスク。 An information recording disk consisting of two disc-shaped substrates joined via an annular spacer on the inner and outer periphery sides, and a disc-shaped hub made of a magnetic material attached to both sides of the center part, the hub being a drive. a center hole that fits into a spindle of the device; a fitting portion that protrudes to fit into an opening formed in the center of the substrate; and a flange-like portion that has a diameter larger than the fitting portion and that fits tightly to the surface of the substrate. An information recording disk characterized in that the fitting portion is formed thinner than the thickness of a substrate to which the hub is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987016536U JPS63129269U (en) | 1987-02-09 | 1987-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987016536U JPS63129269U (en) | 1987-02-09 | 1987-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63129269U true JPS63129269U (en) | 1988-08-24 |
Family
ID=30808482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987016536U Pending JPS63129269U (en) | 1987-02-09 | 1987-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63129269U (en) |
-
1987
- 1987-02-09 JP JP1987016536U patent/JPS63129269U/ja active Pending