JPH01133273U - - Google Patents
Info
- Publication number
- JPH01133273U JPH01133273U JP2533388U JP2533388U JPH01133273U JP H01133273 U JPH01133273 U JP H01133273U JP 2533388 U JP2533388 U JP 2533388U JP 2533388 U JP2533388 U JP 2533388U JP H01133273 U JPH01133273 U JP H01133273U
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- inner circumferential
- magnetic
- magnetic hub
- circumferential spacer
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 238000003795 desorption Methods 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
図は第１図に示す実施例を説明するための部分断
面図、第３図は従来の一例を示す断面図である。
１……基板、２……情報記録膜、３……内周ス
ペーサ、４……外周スーペーサ、５……光ビーム
入射面、６……磁気吸着板、７……マグネチツク
ハブ、８……弾性部材、９……光デイスクカート
リツジ、１０……スピンドル、１１……フランジ
部、１２……永久磁石、１４……カートリツジハ
ーフ、１５……内壁、１６……リブ部、Ａ……脱
着方向。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a partial sectional view for explaining the embodiment shown in FIG. 1, and FIG. 3 is a sectional view showing a conventional example. DESCRIPTION OF SYMBOLS 1...Substrate, 2...Information recording film, 3...Inner spacer, 4...Outer spacer, 5...Light beam incidence surface, 6...Magnetic adsorption plate, 7...Magnetic hub, 8...Elastic member , 9... Optical disk cartridge, 10... Spindle, 11... Flange portion, 12... Permanent magnet, 14... Cartridge half, 15... Inner wall, 16... Rib portion, A... Desorption direction.
Claims (1)
ーサと外周スペーサと磁気吸着板を含むマグネチ
ツクハブと、光ビーム入射面の内周部で光デイス
クカートリツジのリブ部と接触する領域に形成し
た環状の弾性部材とを含むことを特徴とする情報
記録デイスク。 Two substrates with information recording films formed thereon, a magnetic hub including an inner circumferential spacer, an outer circumferential spacer, and a magnetic adsorption plate, and a magnetic hub formed on the inner circumferential portion of the light beam incident surface in a region that contacts the rib portion of the optical disk cartridge. An information recording disk characterized by comprising an annular elastic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988025333U JPH0617232Y2 (en) | 1988-02-26 | 1988-02-26 | Information recording disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988025333U JPH0617232Y2 (en) | 1988-02-26 | 1988-02-26 | Information recording disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01133273U true JPH01133273U (en) | 1989-09-11 |
| JPH0617232Y2 JPH0617232Y2 (en) | 1994-05-02 |
Family
ID=31245977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988025333U Expired - Lifetime JPH0617232Y2 (en) | 1988-02-26 | 1988-02-26 | Information recording disc |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617232Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01317291A (en) * | 1988-06-16 | 1989-12-21 | Ricoh Co Ltd | Optical disk cartridge |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0193678U (en) * | 1987-12-11 | 1989-06-20 |
-
1988
- 1988-02-26 JP JP1988025333U patent/JPH0617232Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0193678U (en) * | 1987-12-11 | 1989-06-20 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01317291A (en) * | 1988-06-16 | 1989-12-21 | Ricoh Co Ltd | Optical disk cartridge |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0617232Y2 (en) | 1994-05-02 |
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