JPH01156021U - - Google Patents
Info
- Publication number
- JPH01156021U JPH01156021U JP4742288U JP4742288U JPH01156021U JP H01156021 U JPH01156021 U JP H01156021U JP 4742288 U JP4742288 U JP 4742288U JP 4742288 U JP4742288 U JP 4742288U JP H01156021 U JPH01156021 U JP H01156021U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- stamper
- molding
- optical disk
- outer peripheral
- 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
- 210000000078 claw Anatomy 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4742288U JPH01156021U (el) | 1988-04-08 | 1988-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4742288U JPH01156021U (el) | 1988-04-08 | 1988-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01156021U true JPH01156021U (el) | 1989-10-26 |
Family
ID=31273632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4742288U Pending JPH01156021U (el) | 1988-04-08 | 1988-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01156021U (el) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03278339A (ja) * | 1989-03-31 | 1991-12-10 | Hitachi Maxell Ltd | 光記録媒体用透明基板の製造方法および成形金型 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63237921A (ja) * | 1987-03-26 | 1988-10-04 | Meiki Co Ltd | デイスク用射出成形金型 |
-
1988
- 1988-04-08 JP JP4742288U patent/JPH01156021U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63237921A (ja) * | 1987-03-26 | 1988-10-04 | Meiki Co Ltd | デイスク用射出成形金型 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03278339A (ja) * | 1989-03-31 | 1991-12-10 | Hitachi Maxell Ltd | 光記録媒体用透明基板の製造方法および成形金型 |