JPS6285928U - - Google Patents
Info
- Publication number
- JPS6285928U JPS6285928U JP1985176772U JP17677285U JPS6285928U JP S6285928 U JPS6285928 U JP S6285928U JP 1985176772 U JP1985176772 U JP 1985176772U JP 17677285 U JP17677285 U JP 17677285U JP S6285928 U JPS6285928 U JP S6285928U
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- internal space
- center
- information recording
- opposing surfaces
- 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 10
- 230000003287 optical effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案による情報記憶媒体を示す部分
断面図、第２図は同じく情報記憶媒体の基板を示
す部分断面図、第３図は第２図に示した基板上に
間隔部材を設けた状態を示す部分断面図、第４図
は本考案の他の実施例を示す部分断面図である。
１…情報記憶媒体（光デイスク）、２…第１の
基板、３…第２の基板、４…中心孔、５…情報記
録層、６，７…スペーサ、８…内部空間、９…連
通部（孔）。
FIG. 1 is a partial sectional view showing the information storage medium according to the present invention, FIG. 2 is a partial sectional view showing the substrate of the information storage medium, and FIG. 3 is a partial sectional view showing the substrate of the information storage medium, and FIG. FIG. 4 is a partial sectional view showing another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Information storage medium (optical disk), 2... First substrate, 3... Second substrate, 4... Center hole, 5... Information recording layer, 6, 7... Spacer, 8... Internal space, 9... Communication portion (hole).
Claims (1)
円板状の基板と、これら第１および第２の基板の
間隔を一定に保持するために前記基板の中心及び
縁近くに設けられた間隔部材とによつて前記第１
及び第２の基板の相互対向表面間に内部空間を存
在させ、前記基板の２個の対向表面の少なくとも
一方の表面上に情報記録層を有した情報記録媒体
において、前記第１及び第２の基板の前記間隔部
材との接合面の少なくとも一方に前記内部空間に
外部とを連通させる連通部が設けられていること
を特徴とする情報記憶媒体。 first and second disk-shaped substrates facing each other and having a hole in the center; and a gap provided near the center and edge of the substrate to maintain a constant distance between the first and second substrates. The first member
and an information recording medium in which an internal space exists between mutually opposing surfaces of a second substrate, and an information recording layer is provided on at least one of the two opposing surfaces of the substrate. An information storage medium characterized in that at least one of the joint surfaces of the substrate and the spacing member is provided with a communication portion that communicates the internal space with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985176772U JPS6285928U (en) | 1985-11-19 | 1985-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985176772U JPS6285928U (en) | 1985-11-19 | 1985-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6285928U true JPS6285928U (en) | 1987-06-01 |
Family
ID=31117343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985176772U Pending JPS6285928U (en) | 1985-11-19 | 1985-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6285928U (en) |
-
1985
- 1985-11-19 JP JP1985176772U patent/JPS6285928U/ja active Pending
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