JPS63118717U - - Google Patents
Info
- Publication number
- JPS63118717U JPS63118717U JP1987010334U JP1033487U JPS63118717U JP S63118717 U JPS63118717 U JP S63118717U JP 1987010334 U JP1987010334 U JP 1987010334U JP 1033487 U JP1033487 U JP 1033487U JP S63118717 U JPS63118717 U JP S63118717U
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- recording surface
- bond
- outer periphery
- inner circumferential
- 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 9
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 2
- 230000001070 adhesive effect Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 229920000515 polycarbonate Polymers 0.000 claims 1
- 239000004417 polycarbonate Substances 0.000 claims 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Description
第１図は本考案の一実施例の断面図、第２図ａ
およびｂは、それぞれメカニカル・クランプ用光
デイスクおよびマグネツト・クランプ用光デイス
クの断面図である。
図において、１……第１基板、２……第２基板
、３……内周スペーサ、４……外周スペーサ、５
……磁性金属フランジ。
Figure 1 is a sectional view of an embodiment of the present invention, Figure 2a
and b are cross-sectional views of an optical disk for mechanical clamping and an optical disk for magnetic clamping, respectively. In the figure, 1...first substrate, 2...second substrate, 3...inner spacer, 4...outer spacer, 5
...Magnetic metal flange.
Claims (1)
が片面に形成される当該記録面が前記第１基板と
対面する位置に設定される第２基板と、前記第１
基板ならびに第２基板の外周部を所定の接着剤等
を介して結合するために用いられるポリカーボネ
イト等の材料により形成される外周スペーサと、
前記第１基板ならびに第２基板の内周部を所定の
接着剤等を介して結合するために用いられる磁性
金属により形成される内周スペーサと、を備える
ことを特徴とする光デイスク。 a first substrate having a recording surface formed on one side; a second substrate having a recording surface formed on one side and set in a position where the recording surface faces the first substrate;
an outer periphery spacer formed of a material such as polycarbonate used to bond the outer periphery of the substrate and the second substrate via a predetermined adhesive or the like;
An optical disk comprising: an inner circumferential spacer formed of a magnetic metal and used to bond the inner circumferential portions of the first substrate and the second substrate via a predetermined adhesive or the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987010334U JPS63118717U (en) | 1987-01-26 | 1987-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987010334U JPS63118717U (en) | 1987-01-26 | 1987-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63118717U true JPS63118717U (en) | 1988-08-01 |
Family
ID=30796527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987010334U Pending JPS63118717U (en) | 1987-01-26 | 1987-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63118717U (en) |
-
1987
- 1987-01-26 JP JP1987010334U patent/JPS63118717U/ja active Pending