JPS62164619U - - Google Patents
Info
- Publication number
- JPS62164619U JPS62164619U JP5177686U JP5177686U JPS62164619U JP S62164619 U JPS62164619 U JP S62164619U JP 5177686 U JP5177686 U JP 5177686U JP 5177686 U JP5177686 U JP 5177686U JP S62164619 U JPS62164619 U JP S62164619U
- Authority
- JP
- Japan
- Prior art keywords
- optical disks
- master disk
- glass master
- opaque layer
- photoresist
- 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
- 239000011521 glass Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 2
- 229920002120 photoresistant polymer Polymers 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Description
第１図は、本考案のガラス原盤の断面斜視図、
第２図は、本発明にかかる不透明層形成の実施例
を示す縦断面図である。
１……ガラス円盤、２……不透明層、３……空
隙を有するガラス円盤、４……空隙、５……不透
明液体。
FIG. 1 is a cross-sectional perspective view of the glass master disc of the present invention;
FIG. 2 is a longitudinal sectional view showing an example of forming an opaque layer according to the present invention. DESCRIPTION OF SYMBOLS 1... Glass disk, 2... Opaque layer, 3... Glass disk with voids, 4... Void, 5... Opaque liquid.
Claims (1)
き込んで光デイスクの製造に用いるガラス原盤に
おいて、前記ガラス原盤中に暗色の不透明層を形
成したことを特徴とする光デイスク製造用ガラス
原盤。 1. A glass master disk for manufacturing optical disks, which is coated with a photoresist and used to write information with a laser beam to manufacture optical disks, characterized in that a dark opaque layer is formed in the glass master disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5177686U JPS62164619U (en) | 1986-04-07 | 1986-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5177686U JPS62164619U (en) | 1986-04-07 | 1986-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62164619U true JPS62164619U (en) | 1987-10-19 |
Family
ID=30876350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5177686U Pending JPS62164619U (en) | 1986-04-07 | 1986-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62164619U (en) |
-
1986
- 1986-04-07 JP JP5177686U patent/JPS62164619U/ja active Pending
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