JPS62158634U - - Google Patents
Info
- Publication number
- JPS62158634U JPS62158634U JP1986021793U JP2179386U JPS62158634U JP S62158634 U JPS62158634 U JP S62158634U JP 1986021793 U JP1986021793 U JP 1986021793U JP 2179386 U JP2179386 U JP 2179386U JP S62158634 U JPS62158634 U JP S62158634U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- air gap
- utility
- model registration
- absorbing member
- 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 7
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 239000004677 Nylon Substances 0.000 claims 1
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 229920001778 nylon Polymers 0.000 claims 1
- 229940068984 polyvinyl alcohol Drugs 0.000 claims 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims 1
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 1
- 239000000741 silica gel Substances 0.000 claims 1
- 229910002027 silica gel Inorganic materials 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案に係る光デイスクの断面図、第
２図は本考案に係る光デイスクの他の実施例を示
す断面図、第３図は従来のエア・サンドウイツチ
型光デイスクを示す断面図である。
１０，１１……透明なデイスク基板、１０１，
１１１……中心孔、１２，１２……（内、外）ス
ペーサ、１４……エアギヤツプ、１５，１６……
記録層、２０，３０……吸湿部材。
FIG. 1 is a cross-sectional view of an optical disk according to the present invention, FIG. 2 is a cross-sectional view showing another embodiment of the optical disk according to the present invention, and FIG. 3 is a cross-sectional view showing a conventional air sandwich type optical disk. It is. 10, 11...transparent disk substrate, 101,
111... Center hole, 12, 12... (inner, outer) spacer, 14... Air gap, 15, 16...
Recording layer, 20, 30... Moisture absorbing member.
Claims (1)
る一対の透明デイスク基板を、内、外周縁に設け
た環状スペーサを介して向い合わせ、その対向内
面間にエアギヤツプを形成し、かつその対向内面
のうち少なくとも一方の面に光記録用の記録層を
形成して成る光デイスクにおいて、前記エアギヤ
ツプ中に吸湿性の高い無機物質又は有機物質より
なる吸湿部材を介在させたことを特徴とする光デ
イスク。 (2) 前記吸湿部材が、６．６―ナイロン、Ｐ．
Ｖ．Ａ（ポリ―ビニル―アルコール）、デオライ
ト、シリカゲル等より成ることを特徴とする実用
新案登録請求の範囲第(1)項に記載の光デイスク
。 (3) 前記吸湿部材を膜状またはフイルム状に形
成したことを特徴とする実用新案登録請求の範囲
第(1)項または第(2)項に記載の光デイスク。[Claims for Utility Model Registration] (1) A pair of transparent disk substrates with a center hole to be mounted on a turntable are faced to each other with annular spacers provided on the inner and outer peripheries, and an air gap is provided between the opposing inner surfaces. and a recording layer for optical recording is formed on at least one of the opposing inner surfaces, in which a moisture absorption member made of a highly hygroscopic inorganic or organic substance is interposed in the air gap. An optical disk characterized by: (2) The moisture absorbing member is made of 6.6-nylon, P.
V. The optical disk according to claim (1) of the utility model registration, characterized in that it is made of A (poly-vinyl-alcohol), deolite, silica gel, etc. (3) The optical disk according to claim 1 or 2, wherein the moisture absorbing member is formed in the form of a membrane or film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986021793U JPS62158634U (en) | 1986-02-17 | 1986-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986021793U JPS62158634U (en) | 1986-02-17 | 1986-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62158634U true JPS62158634U (en) | 1987-10-08 |
Family
ID=30818563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986021793U Pending JPS62158634U (en) | 1986-02-17 | 1986-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62158634U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5683851A (en) * | 1979-12-12 | 1981-07-08 | Toshiba Corp | Optical recording material |
| JPS57150150A (en) * | 1981-03-11 | 1982-09-16 | Hitachi Ltd | Optical disc |
| JPS629548A (en) * | 1985-07-08 | 1987-01-17 | Ricoh Co Ltd | Optical information recording medium |
-
1986
- 1986-02-17 JP JP1986021793U patent/JPS62158634U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5683851A (en) * | 1979-12-12 | 1981-07-08 | Toshiba Corp | Optical recording material |
| JPS57150150A (en) * | 1981-03-11 | 1982-09-16 | Hitachi Ltd | Optical disc |
| JPS629548A (en) * | 1985-07-08 | 1987-01-17 | Ricoh Co Ltd | Optical information recording medium |