JPS63146314U - - Google Patents
Info
- Publication number
- JPS63146314U JPS63146314U JP1987038197U JP3819787U JPS63146314U JP S63146314 U JPS63146314 U JP S63146314U JP 1987038197 U JP1987038197 U JP 1987038197U JP 3819787 U JP3819787 U JP 3819787U JP S63146314 U JPS63146314 U JP S63146314U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- pair
- disk substrates
- optical information
- information recording
- 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
- 239000000758 substrate Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図はこの考案による光学式情報記録デイス
クの部分断面図、第２図は従来の光学式情報記録
デイスクの部分断面図である。
２１……デイスク基板、２２……記録膜、２３
……補強板、２４……内周スペーサ部、２５……
外周スペーサ部、２６，２７……内部空間部、２
９……連通孔。
FIG. 1 is a partial sectional view of an optical information recording disk according to this invention, and FIG. 2 is a partial sectional view of a conventional optical information recording disk. 21...Disk substrate, 22...Recording film, 23
... Reinforcement plate, 24 ... Inner spacer section, 25 ...
Outer periphery spacer part, 26, 27...Inner space part, 2
9...Communication hole.
Claims (1)
ク基板と、前記記録膜が内側になるように対向す
べく前記デイスク基板の外周部及び内周部を各々
担持する環状スペーサと、前記一対のデイスク基
板間に形成された内部空間部を２つの内部空間部
に分割するよう前記一対のデイスク基板と同軸的
に配置された補強板とからなる光学式情報記録デ
イスクであつて、前記２つの内部空間部を連通さ
せる連通孔を形成したことを特徴とする光学式情
報記録デイスク。 A pair of disk substrates having a recording film on at least one side; an annular spacer supporting the outer and inner peripheral portions of the disk substrates so as to face each other so that the recording film is on the inside; and a spacer between the pair of disk substrates. An optical information recording disk comprising a reinforcing plate coaxially arranged with the pair of disk substrates so as to divide the formed internal space into two internal spaces, the two internal spaces communicating with each other. What is claimed is: 1. An optical information recording disk characterized in that a communication hole is formed to allow the information to be recorded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987038197U JPS63146314U (en) | 1987-03-16 | 1987-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987038197U JPS63146314U (en) | 1987-03-16 | 1987-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63146314U true JPS63146314U (en) | 1988-09-27 |
Family
ID=30850218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987038197U Pending JPS63146314U (en) | 1987-03-16 | 1987-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63146314U (en) |
-
1987
- 1987-03-16 JP JP1987038197U patent/JPS63146314U/ja active Pending