JPS61174093U - - Google Patents
Info
- Publication number
- JPS61174093U JPS61174093U JP1985057200U JP5720085U JPS61174093U JP S61174093 U JPS61174093 U JP S61174093U JP 1985057200 U JP1985057200 U JP 1985057200U JP 5720085 U JP5720085 U JP 5720085U JP S61174093 U JPS61174093 U JP S61174093U
- Authority
- JP
- Japan
- Prior art keywords
- optical recording
- disk
- protrusions
- parts
- area
- 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 9
- 239000000758 substrate Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 2
Description
第１図、第２図、第３図および第４図は、本考
案の光記録デイスクのそれぞれの異なる例を示す
切断端面図である。第５図および第６図は、本考
案の光記録デイスクの部品である基板のそれぞれ
異なる例を示す部分拡大斜視図である。第７図は
、本考案の光記録デイスクの基板の一例を示す平
面図である。第８図および第９図は、第７図のＡ
部のそれぞれ異なる例を示す部分拡大図である。
符号の説明、１……光記録デイスク、２１，２
５……光記録部分、３１，３５……基板、４１，
４５……記録層、６……内側連結部材、７，７１
，７２，８１，８２……棒状突起。
1, 2, 3, and 4 are cut end views showing different examples of the optical recording disk of the present invention. 5 and 6 are partially enlarged perspective views showing different examples of substrates that are components of the optical recording disk of the present invention. FIG. 7 is a plan view showing an example of the substrate of the optical recording disk of the present invention. Figures 8 and 9 are A of Figure 7.
FIG. 6 is a partially enlarged view showing different examples of parts. Explanation of symbols, 1... Optical recording disk, 21, 2
5... Optical recording portion, 31, 35... Substrate, 41,
45... Recording layer, 6... Inner connecting member, 7, 71
, 72, 81, 82... Rod-shaped projection.
Claims (1)
記録部分を、記録層が空隙を介して対向するよう
に一体化してなる光記録デイスクにおいて、 少なくとも一方の光記録部分の基板の周縁部お
よび／または内周部に複数の棒状突起を設け、突
起を介して、デイスク周縁部を一体化し、突起の
非存在部により識別標識が現われるようにしたこ
とを特徴とする光記録デイスク。[Claims for Utility Model Registration] In an optical recording disk formed by integrating a pair of optical recording parts each having a recording layer on a disk-shaped substrate so that the recording layers face each other with a gap in between, at least one of the optical recording parts A plurality of rod-shaped protrusions are provided on the peripheral edge and/or inner circumference of the base plate of the part, the disk peripheral area is integrated through the protrusions, and the identification mark is made to appear in the area where the protrusions are not present. Optical recording disk.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985057200U JPS61174093U (en) | 1985-04-17 | 1985-04-17 | |
| DE8686104268T DE3686081T2 (en) | 1985-04-17 | 1986-03-27 | OPTICAL RECORDING PLATE. |
| EP86104268A EP0199136B1 (en) | 1985-04-17 | 1986-03-27 | Optical recording disc |
| US06/845,636 US4739345A (en) | 1985-04-17 | 1986-03-28 | Optical recording disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985057200U JPS61174093U (en) | 1985-04-17 | 1985-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61174093U true JPS61174093U (en) | 1986-10-29 |
Family
ID=30581507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985057200U Pending JPS61174093U (en) | 1985-04-17 | 1985-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174093U (en) |
-
1985
- 1985-04-17 JP JP1985057200U patent/JPS61174093U/ja active Pending