JPS59125731U - Glass disc for master disc - Google Patents
Glass disc for master discInfo
- Publication number
- JPS59125731U JPS59125731U JP1983019911U JP1991183U JPS59125731U JP S59125731 U JPS59125731 U JP S59125731U JP 1983019911 U JP1983019911 U JP 1983019911U JP 1991183 U JP1991183 U JP 1991183U JP S59125731 U JPS59125731 U JP S59125731U
- Authority
- JP
- Japan
- Prior art keywords
- disc
- glass
- master
- glass disc
- concentric
- 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
Landscapes
- Manufacturing Optical Record Carriers (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は光ディスクを説明するための図で、イはディス
ク平面図、口はトラックの説明図、第２図は本考案の原
盤用ガラス円板の１実施例を示す斜視図、第３図イル二
は第２図円板の作成手順を示す図で、４１口は平面図、
ハ、二は斜視図である。
図において、５はスピンドル穴、６はガラス円板、７，
８はスケール目盛、９は原図、１０はシルクスクリーン
、１１は枠、１２は塗布具、１３はローラを示す。Fig. 1 is a diagram for explaining an optical disc, A is a plan view of the disc, A is an explanatory diagram of a track, Fig. 2 is a perspective view showing one embodiment of a glass disk for master disc of the present invention, and Fig. 3 is a diagram for explaining an optical disc. Figure 2 is a diagram showing the procedure for creating a disc, and Figure 41 is a plan view.
C.2 is a perspective view. In the figure, 5 is a spindle hole, 6 is a glass disk, 7,
8 is a scale graduation, 9 is an original drawing, 10 is a silk screen, 11 is a frame, 12 is an applicator, and 13 is a roller.
Claims (1)
る層を形成するための原盤用ガラス円板であって、該ガ
ラス円板の裏面に同心同上および放射状のマークを有す
ることを特徴とする原盤用ガラス円板。A glass disc for a master disc having a rotation center and for forming a layer made of an inorganic or organic material on the surface, characterized by having concentric, concentric and radial marks on the back surface of the glass disc. Glass disc for master disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983019911U JPS59125731U (en) | 1983-02-14 | 1983-02-14 | Glass disc for master disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983019911U JPS59125731U (en) | 1983-02-14 | 1983-02-14 | Glass disc for master disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59125731U true JPS59125731U (en) | 1984-08-24 |
Family
ID=30151049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983019911U Pending JPS59125731U (en) | 1983-02-14 | 1983-02-14 | Glass disc for master disc |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59125731U (en) |
-
1983
- 1983-02-14 JP JP1983019911U patent/JPS59125731U/en active Pending
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