JPS63195679U - - Google Patents
Info
- Publication number
- JPS63195679U JPS63195679U JP1987086965U JP8696587U JPS63195679U JP S63195679 U JPS63195679 U JP S63195679U JP 1987086965 U JP1987086965 U JP 1987086965U JP 8696587 U JP8696587 U JP 8696587U JP S63195679 U JPS63195679 U JP S63195679U
- Authority
- JP
- Japan
- Prior art keywords
- hub
- bonded
- utility
- model registration
- recording medium
- 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 7
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 3
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案によるハブと透明基板の接着状
態を示す断面図、第２図は第１図の部分拡大図、
第３図は第１図とは異なる形状をもつたハブと透
明基板の接着状態の例を示した断面図、第４図は
透明基板とハブの接合体を回転装置にとりつけた
状態を概念的に示した要部断面図、第５図は従来
の接着剤のはみ出し部が形成されたハブと透明基
板の接着状態を示す断面図である。
１：透明基板、２：ハブ、３：接着剤、７，７
ａ：はみ出し部、８，８ａ，９，９ａ：凹部。
Fig. 1 is a sectional view showing the adhesion state of the hub and transparent substrate according to the present invention, Fig. 2 is a partially enlarged view of Fig. 1,
Figure 3 is a cross-sectional view showing an example of the adhesion state between a hub with a shape different from that in Figure 1 and a transparent substrate, and Figure 4 is a conceptual diagram showing the state in which the assembled body of the transparent substrate and hub is attached to a rotating device. FIG. 5 is a cross-sectional view of the main part shown in FIG. 5, and FIG. 5 is a cross-sectional view showing the state of adhesion between a hub having a conventional adhesive protrusion and a transparent substrate. 1: Transparent substrate, 2: Hub, 3: Adhesive, 7,7
a: protruding portion, 8, 8a, 9, 9a: recessed portion.
Claims (1)
て一体とした２枚の透明基板の表裏両面に、それ
ぞれ中心孔が一致するように接着する光記録媒体
用円板状ハブであつて、該ハブの前記透明基板と
接着する側の表面の内外周端近傍に、余剰の接着
剤の溜り部となる凹部を同心状に設けたことを特
徴とする光記録媒体用ハブ。 ２ 実用新案登録請求の範囲第１項記載のハブに
おいて、凹部は該ハブの厚さが減少する領域とし
て形成したことを特徴とする光記録媒体用ハブ。[Claims for Utility Model Registration] 1. An optical recording medium that is bonded to both the front and back surfaces of two transparent substrates whose surfaces with a center hole and a recording layer are bonded together so that the center holes are aligned with each other. A disc-shaped hub for use in an optical device, characterized in that concave portions for storing excess adhesive are provided concentrically near the inner and outer circumferential ends of the surface of the hub on the side to be bonded to the transparent substrate. Hub for recording media. 2 Utility Model Registration A hub for an optical recording medium according to claim 1, characterized in that the concave portion is formed as a region where the thickness of the hub decreases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987086965U JPS63195679U (en) | 1987-06-04 | 1987-06-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987086965U JPS63195679U (en) | 1987-06-04 | 1987-06-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63195679U true JPS63195679U (en) | 1988-12-16 |
Family
ID=30943755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987086965U Pending JPS63195679U (en) | 1987-06-04 | 1987-06-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63195679U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6047279A (en) * | 1983-08-24 | 1985-03-14 | Hitachi Maxell Ltd | Disc cartridge |
| JPS6141167U (en) * | 1984-08-17 | 1986-03-15 | 富士紡績株式会社 | Automatic yarn winding device with elasticity |
| JPS63153776A (en) * | 1986-12-17 | 1988-06-27 | Sony Corp | Information disk |
| JPS63179479A (en) * | 1987-01-20 | 1988-07-23 | Hitachi Maxell Ltd | Tape cartridge |
-
1987
- 1987-06-04 JP JP1987086965U patent/JPS63195679U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6047279A (en) * | 1983-08-24 | 1985-03-14 | Hitachi Maxell Ltd | Disc cartridge |
| JPS6141167U (en) * | 1984-08-17 | 1986-03-15 | 富士紡績株式会社 | Automatic yarn winding device with elasticity |
| JPS63153776A (en) * | 1986-12-17 | 1988-06-27 | Sony Corp | Information disk |
| JPS63179479A (en) * | 1987-01-20 | 1988-07-23 | Hitachi Maxell Ltd | Tape cartridge |