JPH01165917U - - Google Patents
Info
- Publication number
- JPH01165917U JPH01165917U JP1988059946U JP5994688U JPH01165917U JP H01165917 U JPH01165917 U JP H01165917U JP 1988059946 U JP1988059946 U JP 1988059946U JP 5994688 U JP5994688 U JP 5994688U JP H01165917 U JPH01165917 U JP H01165917U
- Authority
- JP
- Japan
- Prior art keywords
- guide groove
- information signal
- land portion
- optical disc
- disc
- 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 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の実施例を説明するための説明
図、第２図は、本考案の他の実施例を説明するた
めの説明図、第３図は、デイスクフオーマツトを
説明するための説明図、第４図は、従来の案内溝
付光デイスクの部分拡大斜視図、第５図は従来の
案内溝付光デイスクの部分拡大平面図である。
主要部分の符号の説明、１……透明基板、２…
…案内溝、３……ランド部、４……プリアドレス
ピツト、５……記録層、６……スペーサ、７……
基板、９……追記されたピツト、Ｆ……プリフオ
ーマツト部、Ｒ……記録部。
FIG. 1 is an explanatory diagram for explaining an embodiment of the present invention, FIG. 2 is an explanatory diagram for explaining another embodiment of the present invention, and FIG. 3 is an explanatory diagram for explaining a disk format. FIG. 4 is a partially enlarged perspective view of a conventional optical disk with guide grooves, and FIG. 5 is a partially enlarged plan view of the conventional optical disk with guide grooves. Explanation of symbols of main parts, 1...Transparent substrate, 2...
...Guide groove, 3...Land portion, 4...Pre-address pit, 5...Recording layer, 6...Spacer, 7...
Substrate, 9... Added pit, F... Preformat section, R... Recording section.
Claims (1)
れたランド部を有する記録層を担持する案内溝付
光デイスクであつて、 前記案内溝若しくは前記ランド部の半径方向の
幅に情報信号を担わしめたことを特徴とする案内
溝付光デイスク。 (2) 前記情報信号は、アドレス情報信号である
ことを特徴とする請求項１記載の案内溝付光デイ
スク。[Claims for Utility Model Registration] (1) An optical disk with a guide groove carrying a recording layer having a land portion defined by a guide groove extending in the circumferential direction, the guide groove or the land portion An optical disc with a guide groove, characterized in that the radial width of the disc carries an information signal. (2) The optical disc with guide grooves according to claim 1, wherein the information signal is an address information signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988059946U JPH01165917U (en) | 1988-05-06 | 1988-05-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988059946U JPH01165917U (en) | 1988-05-06 | 1988-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01165917U true JPH01165917U (en) | 1989-11-21 |
Family
ID=31285680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988059946U Pending JPH01165917U (en) | 1988-05-06 | 1988-05-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01165917U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595449A (en) * | 1982-06-30 | 1984-01-12 | Matsushita Electric Ind Co Ltd | Recording carrier for optical disk |
-
1988
- 1988-05-06 JP JP1988059946U patent/JPH01165917U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS595449A (en) * | 1982-06-30 | 1984-01-12 | Matsushita Electric Ind Co Ltd | Recording carrier for optical disk |
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