JPS63129273U - - Google Patents
Info
- Publication number
- JPS63129273U JPS63129273U JP1987019629U JP1962987U JPS63129273U JP S63129273 U JPS63129273 U JP S63129273U JP 1987019629 U JP1987019629 U JP 1987019629U JP 1962987 U JP1962987 U JP 1962987U JP S63129273 U JPS63129273 U JP S63129273U
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- shaped signal
- signal recording
- thicker
- 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
- 238000000465 moulding Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図乃至第４図は本考案記録媒体の一例を示
す構成断面図、第５図は従来の光デイスクの一例
を示す構成断面図である。
１…デイスク本体、２…記録面、３…入射面、
４…係合穴、６１…肉厚部、６２…リング状突起
部、６３…溝又は穴。
1 to 4 are cross-sectional views showing an example of a recording medium of the present invention, and FIG. 5 is a cross-sectional view showing an example of a conventional optical disk. 1...Disk body, 2...Recording surface, 3...Incidence surface,
4... Engagement hole, 61... Thick part, 62... Ring-shaped protrusion, 63... Groove or hole.
Claims (1)
記録媒体において、その最外周付近に厚みが他の
部分に比較し大きい肉厚部を一体成形により構成
したことを特徴とする円盤状信号記録媒体。 (2) 厚みを他の部分より大きく構成した肉厚部
に、半径方向の溝又は穴を形成した実用新案登録
請求の範囲第１項記載の円盤状信号記録媒体。[Scope of Claim for Utility Model Registration] (1) In a disc-shaped signal recording medium having a recording surface for recording signals, a thick part near the outermost periphery is formed by integral molding, which is thicker than other parts. A disc-shaped signal recording medium characterized by: (2) The disk-shaped signal recording medium according to claim 1, wherein a radial groove or hole is formed in a thick portion that is thicker than other portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987019629U JPS63129273U (en) | 1987-02-12 | 1987-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987019629U JPS63129273U (en) | 1987-02-12 | 1987-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63129273U true JPS63129273U (en) | 1988-08-24 |
Family
ID=30814396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987019629U Pending JPS63129273U (en) | 1987-02-12 | 1987-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63129273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999010883A1 (en) * | 1997-08-22 | 1999-03-04 | Tetsuya Oguchi | Recording medium and method of manufacturing recording media |
| JP2008004252A (en) * | 2006-05-26 | 2008-01-10 | Tdk Corp | Information medium substrate and information medium |
-
1987
- 1987-02-12 JP JP1987019629U patent/JPS63129273U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999010883A1 (en) * | 1997-08-22 | 1999-03-04 | Tetsuya Oguchi | Recording medium and method of manufacturing recording media |
| JP2008004252A (en) * | 2006-05-26 | 2008-01-10 | Tdk Corp | Information medium substrate and information medium |