JPS6437920U - - Google Patents
Info
- Publication number
- JPS6437920U JPS6437920U JP1987130262U JP13026287U JPS6437920U JP S6437920 U JPS6437920 U JP S6437920U JP 1987130262 U JP1987130262 U JP 1987130262U JP 13026287 U JP13026287 U JP 13026287U JP S6437920 U JPS6437920 U JP S6437920U
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- optical
- dots
- optical recording
- section
- 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 6
- 239000011888 foil Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Credit Cards Or The Like (AREA)
Description
第１図は本考案の一実施例を示した図、第２図
は従来の光学記録媒体の製造方法を示した図であ
る。
１……透明なシート基材、２……黒色インキに
よるドツト、３……金属箔、４……接着剤層、５
……カード基材、６……保護シート。
FIG. 1 is a diagram showing an embodiment of the present invention, and FIG. 2 is a diagram showing a conventional method for manufacturing an optical recording medium. DESCRIPTION OF SYMBOLS 1... Transparent sheet base material, 2... Dots made of black ink, 3... Metal foil, 4... Adhesive layer, 5
...Card base material, 6...Protection sheet.
Claims (1)
なる２種類のドツトからなるデータ記録部を有し
、該データ記録部を光学的手段によつて読み取り
可能な光学記録媒体に於いて、反射部にあたるド
ツトが金属箔で形成されることを特徴とする光学
記録媒体。 An optical recording medium that has a data recording section consisting of two types of dots with different optical reflectances on a plurality of data tracks, and that corresponds to a reflective section in an optical recording medium that can read the data recording section by optical means. An optical recording medium characterized in that dots are formed of metal foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987130262U JPS6437920U (en) | 1987-08-27 | 1987-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987130262U JPS6437920U (en) | 1987-08-27 | 1987-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437920U true JPS6437920U (en) | 1989-03-07 |
Family
ID=31385269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987130262U Pending JPS6437920U (en) | 1987-08-27 | 1987-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437920U (en) |
-
1987
- 1987-08-27 JP JP1987130262U patent/JPS6437920U/ja active Pending
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