JPH02149118U - - Google Patents
Info
- Publication number
- JPH02149118U JPH02149118U JP1989055545U JP5554589U JPH02149118U JP H02149118 U JPH02149118 U JP H02149118U JP 1989055545 U JP1989055545 U JP 1989055545U JP 5554589 U JP5554589 U JP 5554589U JP H02149118 U JPH02149118 U JP H02149118U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- glass
- glass disk
- attached
- metal
- 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 6
- 239000002184 metal Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案による一実施例の断面図、第２
図は本考案による他の実施例を示すガラス円盤の
断面図である。
１…ガラス円盤、２…ターンテーブル、３…金
属円盤、４，５…凹部、６…黒色繊維。
Figure 1 is a sectional view of one embodiment of the present invention;
The figure is a sectional view of a glass disk showing another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Glass disk, 2... Turntable, 3... Metal disk, 4, 5... Recessed part, 6... Black fiber.
Claims (1)
具備した光デイスク用のガラス円盤において、前
記ガラス円盤の感光面と対向する面に金属の円盤
を貼着し、該金属円盤の貼着面には、前記ガラス
円盤の情報記録部分に対応させて、円環状凹部を
設けたことを特徴とする光デイスク用ガラス円盤
。 In a glass disk for an optical disk, which is equipped with a photosensitive surface on which information is recorded by irradiating a light beam, a metal disk is attached to the surface facing the photosensitive surface of the glass disk, and the attached surface of the metal disk is A glass disk for an optical disk, characterized in that an annular recess is provided corresponding to an information recording portion of the glass disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989055545U JPH02149118U (en) | 1989-05-15 | 1989-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989055545U JPH02149118U (en) | 1989-05-15 | 1989-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02149118U true JPH02149118U (en) | 1990-12-19 |
Family
ID=31578592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989055545U Pending JPH02149118U (en) | 1989-05-15 | 1989-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02149118U (en) |
-
1989
- 1989-05-15 JP JP1989055545U patent/JPH02149118U/ja active Pending