JPH01121156U - - Google Patents
Info
- Publication number
- JPH01121156U JPH01121156U JP1988015088U JP1508888U JPH01121156U JP H01121156 U JPH01121156 U JP H01121156U JP 1988015088 U JP1988015088 U JP 1988015088U JP 1508888 U JP1508888 U JP 1508888U JP H01121156 U JPH01121156 U JP H01121156U
- Authority
- JP
- Japan
- Prior art keywords
- write
- optical disc
- once optical
- casing
- solvent
- 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
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
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図の実施例の使用例を説明する斜視図、
第３図は本考案の第２実施例を示す主要部の斜視
図、第４図は第３図の実施例による溶剤塗布面の
形状を示す断面図、第５図は本考案の第３実施例
を示す主要部の斜視図、第６図及び第７図は本考
案の第４実施例を示す主要部の斜視図及び断面図
、第８図は本考案の第５実施例を示す断面図、第
９図追記型光デイスクの一例を示す断面図、第１
０図は第９図の光デイスクのピツト形成部の詳細
を示す拡大断面図である。
１，１４……ケーシング、２……回転ノブ、３
……ネジ棒、４……移動板、５……ゲル状溶剤、
１０……追記型光デイスク、１１……荒目砥石、
１３……刺状体、１５……溶剤、１７……エラス
トマ。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a perspective view illustrating an example of the use of the embodiment shown in FIG.
Fig. 3 is a perspective view of the main parts showing the second embodiment of the present invention, Fig. 4 is a sectional view showing the shape of the solvent coated surface according to the embodiment of Fig. 3, and Fig. 5 is a third embodiment of the invention. FIGS. 6 and 7 are perspective views and sectional views of main parts showing a fourth embodiment of the present invention; FIG. 8 is a sectional view showing a fifth embodiment of the present invention. , FIG. 9 is a sectional view showing an example of a write-once optical disc, the first
FIG. 0 is an enlarged sectional view showing details of the pit forming portion of the optical disk of FIG. 9. 1, 14...Casing, 2...Rotary knob, 3
... Threaded rod, 4 ... Moving plate, 5 ... Gel solvent,
10...Writable optical disk, 11...Rough grindstone,
13...Spine-shaped body, 15...Solvent, 17...Elastomer.
Claims (1)
口部が設けられたケーシングと、該ケーシング内
に装填される固化または液化状の溶剤と、追記型
光デイスクの表面に塗布可能に前記溶剤を前記開
口部に露出または滲出させる手段とを具備するこ
とを特徴とする追記型光デイスクの再使用防止器
。 A casing having a shape and size that can be held in hand and having an opening, a solidified or liquefied solvent charged in the casing, and the opening allowing the solvent to be applied to the surface of the write-once optical disc. 1. A device for preventing reuse of a write-once optical disc, comprising: means for exposing or exuding a write-once optical disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988015088U JPH067505Y2 (en) | 1988-02-09 | 1988-02-09 | Optical information recording medium reuse preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988015088U JPH067505Y2 (en) | 1988-02-09 | 1988-02-09 | Optical information recording medium reuse preventer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01121156U true JPH01121156U (en) | 1989-08-16 |
| JPH067505Y2 JPH067505Y2 (en) | 1994-02-23 |
Family
ID=31518413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988015088U Expired - Lifetime JPH067505Y2 (en) | 1988-02-09 | 1988-02-09 | Optical information recording medium reuse preventer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067505Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5123314U (en) * | 1974-08-08 | 1976-02-20 | ||
| JPS60239930A (en) * | 1984-05-14 | 1985-11-28 | Ricoh Co Ltd | Method for making optical disc unreusable |
-
1988
- 1988-02-09 JP JP1988015088U patent/JPH067505Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5123314U (en) * | 1974-08-08 | 1976-02-20 | ||
| JPS60239930A (en) * | 1984-05-14 | 1985-11-28 | Ricoh Co Ltd | Method for making optical disc unreusable |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067505Y2 (en) | 1994-02-23 |
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