JPS6442574U - - Google Patents
Info
- Publication number
- JPS6442574U JPS6442574U JP1987136888U JP13688887U JPS6442574U JP S6442574 U JPS6442574 U JP S6442574U JP 1987136888 U JP1987136888 U JP 1987136888U JP 13688887 U JP13688887 U JP 13688887U JP S6442574 U JPS6442574 U JP S6442574U
- Authority
- JP
- Japan
- Prior art keywords
- hub
- synthetic resin
- resin member
- optical disk
- convex portion
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 229920003002 synthetic resin Polymers 0.000 claims 5
- 239000000057 synthetic resin Substances 0.000 claims 5
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987136888U JPS6442574U (pt) | 1987-09-08 | 1987-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987136888U JPS6442574U (pt) | 1987-09-08 | 1987-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6442574U true JPS6442574U (pt) | 1989-03-14 |
Family
ID=31397816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987136888U Pending JPS6442574U (pt) | 1987-09-08 | 1987-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6442574U (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993003482A1 (en) * | 1991-08-02 | 1993-02-18 | Mitsui Petrochemical Industries, Ltd. | Hub for optical recording medium and optical recording medium |
-
1987
- 1987-09-08 JP JP1987136888U patent/JPS6442574U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993003482A1 (en) * | 1991-08-02 | 1993-02-18 | Mitsui Petrochemical Industries, Ltd. | Hub for optical recording medium and optical recording medium |