JPS61140440U - - Google Patents
Info
- Publication number
- JPS61140440U JPS61140440U JP1985025120U JP2512085U JPS61140440U JP S61140440 U JPS61140440 U JP S61140440U JP 1985025120 U JP1985025120 U JP 1985025120U JP 2512085 U JP2512085 U JP 2512085U JP S61140440 U JPS61140440 U JP S61140440U
- Authority
- JP
- Japan
- Prior art keywords
- disc
- information recording
- shaped optical
- recording carrier
- optical information
- 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
- 238000010586 diagram Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図Ａ，Ｂは本考案の一実施例を示す円盤状
光学情報記録担体の側面図および裏面図、第２図
Ａ，Ｂはそれぞれ原点マークの一例を示す側面図
、第３図および第４図は第２図Ａの原点マークの
読み方を説明する図およびその時の光デイテクタ
の出力信号波形図、第５図および第６図は第２図
Ｂの原点マークの読み方を説明する図およびその
時の光デイテクタの出力信号波形図、第７図Ａ，
Ｂは本考案の他の実施例を示す円盤状光学情報記
録担体の側面図および裏面図、第８図Ａ，Ｂはデ
イスク製造プロセスを説明する図、第９図および
第１０図は円盤状光学情報記録担体の検査装置の
構成図および該検査装置における光デイスクの出
力信号波形図である。
１……ガラス盤、２……フオトレジスト、２０
，３０……原点マーク。
1A and 1B are side and back views of a disk-shaped optical information recording carrier showing an embodiment of the present invention, FIGS. 2A and 2B are side views showing an example of the origin mark, and FIGS. Figure 4 is a diagram explaining how to read the origin mark in Figure 2A and the output signal waveform diagram of the optical detector at that time, and Figures 5 and 6 are diagrams explaining how to read the origin mark in Figure 2B and at that time. Output signal waveform diagram of the optical detector, Fig. 7A,
B is a side view and a back view of a disc-shaped optical information recording carrier showing another embodiment of the present invention, FIGS. 8A and B are diagrams explaining the disc manufacturing process, and FIGS. 9 and 10 are disc-shaped optical 2 is a configuration diagram of an information recording carrier inspection device and an output signal waveform diagram of an optical disk in the inspection device. FIG. 1...Glass disk, 2...Photoresist, 20
,30...Origin mark.
Claims (1)
録担体であつて、光学的に情報記録を行う面と、
円盤状担体自身の角度基準のための原点マークを
備えた面を有する円盤状光学情報記録担体。 ２ 原点マークを担体の側面に設けたことを特徴
とする実用新案登録請求の範囲第１項記載の円盤
状光学情報記録担体。[Scope of Claim for Utility Model Registration] 1. A disk-shaped optical information recording carrier on which information is recorded optically, a surface on which information is recorded optically;
A disc-shaped optical information recording carrier having a surface provided with an origin mark for angular reference of the disc-shaped carrier itself. 2. A disc-shaped optical information recording carrier according to claim 1, characterized in that an origin mark is provided on the side surface of the carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985025120U JPS61140440U (en) | 1985-02-22 | 1985-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985025120U JPS61140440U (en) | 1985-02-22 | 1985-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61140440U true JPS61140440U (en) | 1986-08-30 |
Family
ID=30519910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985025120U Pending JPS61140440U (en) | 1985-02-22 | 1985-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61140440U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5265404A (en) * | 1975-11-26 | 1977-05-30 | Matsushita Electric Ind Co Ltd | Information recording original disk being furnished with pattern for d etecting focus position |
| JPS58161160A (en) * | 1982-03-19 | 1983-09-24 | Hitachi Ltd | Optical disk and its device |
| JPS58169354A (en) * | 1982-03-31 | 1983-10-05 | Hitachi Ltd | Information recording disk |
-
1985
- 1985-02-22 JP JP1985025120U patent/JPS61140440U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5265404A (en) * | 1975-11-26 | 1977-05-30 | Matsushita Electric Ind Co Ltd | Information recording original disk being furnished with pattern for d etecting focus position |
| JPS58161160A (en) * | 1982-03-19 | 1983-09-24 | Hitachi Ltd | Optical disk and its device |
| JPS58169354A (en) * | 1982-03-31 | 1983-10-05 | Hitachi Ltd | Information recording disk |
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