JPS6347420U - - Google Patents
Info
- Publication number
- JPS6347420U JPS6347420U JP1986141377U JP14137786U JPS6347420U JP S6347420 U JPS6347420 U JP S6347420U JP 1986141377 U JP1986141377 U JP 1986141377U JP 14137786 U JP14137786 U JP 14137786U JP S6347420 U JPS6347420 U JP S6347420U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- disk support
- spacer
- outer periphery
- inner flange
- 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.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims 1
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000001070 adhesive effect Effects 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要部断面図
、第２図はデイスク支持体の拡大平面図、第３図
は第２図のＡ―Ａ断面図、第４図は内周スペーサ
の平面図、第５図はデイスク支持体および内周ス
ペーサの配置を示す平面図、第６図は従来技術に
係る光デイスクの断面図、第７図は従来技術の光
デイスクに適用されるデイスク支持体の拡大平面
図、第８図は第７図のＡ―Ａ断面図、第９図は従
来技術の光デイスクに適用される内周スペーサの
平面図、第１０図は従来技術の光デイスクに適用
される外周スペーサの平面図、第１１図は従来技
術の光デイスクにおけるデイスク支持体と内周ス
ペーサの配置を示す平面図である。
１……第１デイスク、２……第２デイスク、６
……外周スペーサ、７……センターホール、８…
…第１デイスク基板、９……第１転写層、１０…
…第１記録層、１１……センターホール、１２…
…第２デイスク基板、１３……第２転写層、１４
……第２記録層、３１……第１デイスク支持体、
３２……第２デイスク支持体、３３……内周スペ
ーサ、３４……円筒部、３５……内側つば部、３
６……クリアランス。
Fig. 1 is a sectional view of essential parts of the optical disk according to the present invention, Fig. 2 is an enlarged plan view of the disk support, Fig. 3 is a sectional view taken along line A-A in Fig. 2, and Fig. 4 is a cross-sectional view of the inner spacer. 5 is a plan view showing the arrangement of the disk support and the inner spacer, FIG. 6 is a cross-sectional view of a conventional optical disk, and FIG. 7 is a disk support applied to the conventional optical disk. FIG. 8 is an enlarged plan view of the body, FIG. 8 is a sectional view taken along line A-A in FIG. 7, FIG. 9 is a plan view of an inner spacer applied to a conventional optical disk, and FIG. FIG. 11 is a plan view of the applied outer spacer, and FIG. 11 is a plan view showing the arrangement of the disk support and the inner spacer in a conventional optical disk. 1...First disk, 2...Second disk, 6
...Outer spacer, 7...Center hole, 8...
...First disk substrate, 9...First transfer layer, 10...
...First recording layer, 11...Center hole, 12...
...Second disk substrate, 13...Second transfer layer, 14
... second recording layer, 31 ... first disk support,
32... Second disk support, 33... Inner spacer, 34... Cylindrical part, 35... Inner flange part, 3
6...Clearance.
Claims (1)
イスク支持体と、第２デイスク基板の中央部に接
着される第２デイスク支持体と、前記第１デイス
ク支持体および第２デイスク支持体に形成された
内側つば部の外周部に配置されるリング状の内周
スペーサを備えた光デイスクにおいて、前記内側
つば部の外周縁および内周スペーサの内周縁を円
形に形成し、これら内側つば部の外周面と内周ス
ペーサの内周面との間に０．０５〜０．０６mmの
クリアランスを設け、このクリアランス内に、前
記内側つば部の対向面を接着する接着剤と連続す
る接着剤を充填したことを特徴とする光デイスク
。 a first disk support bonded to the center of the first disk substrate, a second disk support bonded to the center of the second disk substrate, and formed on the first disk support and the second disk support. In an optical disk equipped with a ring-shaped inner spacer disposed on the outer periphery of the inner flange, the outer periphery of the inner flange and the inner periphery of the inner spacer are formed into a circular shape, and the outer periphery of the inner flange is circular. A clearance of 0.05 to 0.06 mm is provided between the outer circumferential surface and the inner circumferential surface of the inner circumferential spacer, and an adhesive that is continuous with the adhesive bonding the opposing surfaces of the inner flange portion is filled within this clearance. An optical disc characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986141377U JPH0433554Y2 (en) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986141377U JPH0433554Y2 (en) | 1986-09-17 | 1986-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6347420U true JPS6347420U (en) | 1988-03-31 |
| JPH0433554Y2 JPH0433554Y2 (en) | 1992-08-11 |
Family
ID=31049100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986141377U Expired JPH0433554Y2 (en) | 1986-09-17 | 1986-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0433554Y2 (en) |
-
1986
- 1986-09-17 JP JP1986141377U patent/JPH0433554Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0433554Y2 (en) | 1992-08-11 |