JPH0435266U - - Google Patents
Info
- Publication number
- JPH0435266U JPH0435266U JP1990077310U JP7731090U JPH0435266U JP H0435266 U JPH0435266 U JP H0435266U JP 1990077310 U JP1990077310 U JP 1990077310U JP 7731090 U JP7731090 U JP 7731090U JP H0435266 U JPH0435266 U JP H0435266U
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- recording medium
- disk substrate
- flange portion
- medium according
- 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
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図ないし第４図はそれぞれ別の実施例によ
る情報記録媒体を示す断面図、第５図および第６
図は従来の情報記録媒体の断面図である。
各図中、同一符号は同一または相当部分を示し
、１は情報記録媒体、２はデイスク基板、３は記
録層、４は内周スペーサ、５はセンター穴、６は
ハブ、６ａは挿入部、６ｂはフランジ部、６ｃは
突出部、７，７ａ，７ｂ，７ｃは接着剤層、１８
は外周スペーサである。
FIGS. 1 to 4 are cross-sectional views showing information recording media according to different embodiments, and FIGS.
The figure is a cross-sectional view of a conventional information recording medium. In each figure, the same reference numerals indicate the same or equivalent parts, 1 is the information recording medium, 2 is the disk substrate, 3 is the recording layer, 4 is the inner spacer, 5 is the center hole, 6 is the hub, 6a is the insertion part, 6b is a flange portion, 6c is a protrusion portion, 7, 7a, 7b, 7c are adhesive layers, 18
is the outer periphery spacer.
Claims (1)
録層が形成され、かつその記録層を内側にして貼
合わされた２枚のデイスク基板と、このデイスク
基板のセンター穴付近を外側から覆うフランジ部
およびこのフランジ部から外向に突出する突出部
を有する２個のハブとを備えたことを特徴とする
情報記録媒体。 (2) デイスク基板が直接またはスペーサを介し
て貼合わされた請求項(1)記載の情報記録媒体。 (3) デイスク基板および／またはハブが接着剤
により貼合わされた請求項(1)または(2)記載の情
報記録媒体。[Claims for Utility Model Registration] (1) Two disk substrates each having a recording layer formed on one side of at least one transparent resin substrate and bonded together with the recording layer inside, and the center of the disk substrate. An information recording medium comprising: a flange portion that covers the vicinity of the hole from the outside; and two hubs each having a protrusion portion that protrudes outward from the flange portion. (2) The information recording medium according to claim (1), wherein the disk substrate is bonded directly or via a spacer. (3) The information recording medium according to claim (1) or (2), wherein the disk substrate and/or the hub are bonded together with an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990077310U JPH0435266U (en) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990077310U JPH0435266U (en) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0435266U true JPH0435266U (en) | 1992-03-24 |
Family
ID=31619581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990077310U Pending JPH0435266U (en) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435266U (en) |
-
1990
- 1990-07-20 JP JP1990077310U patent/JPH0435266U/ja active Pending
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