JPS6372722U - - Google Patents
Info
- Publication number
- JPS6372722U JPS6372722U JP1986163580U JP16358086U JPS6372722U JP S6372722 U JPS6372722 U JP S6372722U JP 1986163580 U JP1986163580 U JP 1986163580U JP 16358086 U JP16358086 U JP 16358086U JP S6372722 U JPS6372722 U JP S6372722U
- Authority
- JP
- Japan
- Prior art keywords
- diameter
- optical information
- center hole
- spacer
- recording layer
- 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
- 230000003287 optical effect Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１〜第３図は従来のエアーサンドイツチタイ
プの光デイスクの構造を示す断面図であり、第４
図は本考案の１実施態様に係る光デイスクの断面
図であり、第５図は第４図の光デイスクをターン
テーブルに装着した際の断面図であり、第６図は
本考案の他の実施態様に係る光デイスクの断面図
でありそして第７図および第８図は本考案に係る
光デイスクにおいて接着剤のはみ出し部分の存在
の様子を示す断面図である。
１……基板、２……記録層、３……内周スペー
サ、４……ターンテーブル、５……接着剤はみ出
し部分。
1 to 3 are cross-sectional views showing the structure of a conventional air sandwich type optical disk.
The figure is a cross-sectional view of an optical disk according to one embodiment of the present invention, FIG. 5 is a cross-sectional view of the optical disk of FIG. 4 mounted on a turntable, and FIG. FIGS. 7 and 8 are cross-sectional views of an optical disk according to an embodiment of the invention, and FIGS. 7 and 8 are cross-sectional views showing the presence of an adhesive protruding portion in the optical disk according to the present invention. DESCRIPTION OF SYMBOLS 1... Substrate, 2... Recording layer, 3... Inner spacer, 4... Turntable, 5... Adhesive protruding portion.
Claims (1)
た２枚の円基板のうち少くとも１枚の片面に記録
層を有する１対の基板を、同心的に配置された円
筒状の内周スペーサおよび外周スペーサを介して
前記記録層が内側になるように接着剤で貼り合わ
せ一体化させてなる封止構造を有する光情報記録
媒体において前記内周スペーサの中心孔の径を前
記円基板の中心孔の径よりも小さく設定したこと
を特徴とする光情報記録媒体。 A pair of circular substrates each having a recording layer on one side of at least one of the two circular substrates provided with a center hole for mounting on a turntable, with a cylindrical inner circumference spacer and an outer circumference arranged concentrically. In an optical information recording medium having a sealing structure in which the recording layer is bonded and integrated with an adhesive so that the recording layer is on the inside through a spacer, the diameter of the center hole of the inner circumferential spacer is equal to the diameter of the center hole of the circular substrate. An optical information recording medium characterized in that the optical information recording medium is set smaller than the diameter of the medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986163580U JPS6372722U (en) | 1986-10-27 | 1986-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986163580U JPS6372722U (en) | 1986-10-27 | 1986-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372722U true JPS6372722U (en) | 1988-05-16 |
Family
ID=31091908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986163580U Pending JPS6372722U (en) | 1986-10-27 | 1986-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372722U (en) |
-
1986
- 1986-10-27 JP JP1986163580U patent/JPS6372722U/ja active Pending