JPH01170334U - - Google Patents
Info
- Publication number
- JPH01170334U JPH01170334U JP1988067426U JP6742688U JPH01170334U JP H01170334 U JPH01170334 U JP H01170334U JP 1988067426 U JP1988067426 U JP 1988067426U JP 6742688 U JP6742688 U JP 6742688U JP H01170334 U JPH01170334 U JP H01170334U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- substrates
- spacer
- recording layer
- circumferential spacer
- 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
- Gasket Seals (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図ａ〜ｄは本考案の光メモリーデイスクの
製造工程を示す概略説明図、第２図ａ〜ｂは本考
案のメモリーデイスクに用いられる形状記憶合金
製のＣリングを示し、ａ，ｃは加熱前の状態を、
ｂ，ｄは加熱後の状態を示す。第３図は従来の密
封型の光メモリーデイスクの製造工程を示す説明
図である。
１……角板、２……記録層、３……内周スペー
サ、４……外周スペーサ、５……ヒーター台、６
……形状記憶合金製のＣリング（内周スペーサ）
、７ａ，７ｂ……モーター軸受けのハブ、８ａ，
８ｂ……デイスク基板、９……中空部、１０……
デイスクの中心口。
Figures 1 a to d are schematic explanatory diagrams showing the manufacturing process of the optical memory disk of the present invention, and Figures 2 a to b show a C ring made of a shape memory alloy used in the memory disk of the present invention; a, c is the state before heating,
b and d show the state after heating. FIG. 3 is an explanatory diagram showing the manufacturing process of a conventional sealed optical memory disk. 1... Square plate, 2... Recording layer, 3... Inner spacer, 4... Outer spacer, 5... Heater stand, 6
...Shape memory alloy C ring (inner spacer)
, 7a, 7b... motor bearing hub, 8a,
8b...Disk substrate, 9...Hollow part, 10...
Center opening of the disk.
Claims (1)
面に記録層を有する１対の基板が記録層を内側に
して、かつ、外周スペーサと内周スペーサを介し
て同心的に配置され、外周スペーサとデイスク基
板間のみが接着剤で接着され、内周スペーサが形
状記憶合金製のＣリングで形成されたことを特徴
とするメモリーデイスク。 A pair of substrates having a recording layer on one side of at least one of the two disk substrates are arranged concentrically with the recording layer on the inside and an outer circumferential spacer and an inner circumferential spacer interposed therebetween, and the outer circumferential spacer and the disk A memory disk characterized in that only the substrates are bonded with adhesive, and the inner spacer is formed of a C-ring made of a shape memory alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988067426U JPH01170334U (en) | 1988-05-20 | 1988-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988067426U JPH01170334U (en) | 1988-05-20 | 1988-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01170334U true JPH01170334U (en) | 1989-12-01 |
Family
ID=31292797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988067426U Pending JPH01170334U (en) | 1988-05-20 | 1988-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01170334U (en) |
-
1988
- 1988-05-20 JP JP1988067426U patent/JPH01170334U/ja active Pending