JPH0558368B2 - - Google Patents
Info
- Publication number
- JPH0558368B2 JPH0558368B2 JP21230887A JP21230887A JPH0558368B2 JP H0558368 B2 JPH0558368 B2 JP H0558368B2 JP 21230887 A JP21230887 A JP 21230887A JP 21230887 A JP21230887 A JP 21230887A JP H0558368 B2 JPH0558368 B2 JP H0558368B2
- Authority
- JP
- Japan
- Prior art keywords
- disk support
- thickness
- turntable
- mold
- disk
- 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.)
- Expired - Lifetime
Links
- 238000000465 moulding Methods 0.000 claims description 12
- 229920003002 synthetic resin Polymers 0.000 claims description 9
- 239000000057 synthetic resin Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21230887A JPS6453819A (en) | 1987-08-25 | 1987-08-25 | Molding of turn table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21230887A JPS6453819A (en) | 1987-08-25 | 1987-08-25 | Molding of turn table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6453819A JPS6453819A (en) | 1989-03-01 |
| JPH0558368B2 true JPH0558368B2 (fr) | 1993-08-26 |
Family
ID=16620412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21230887A Granted JPS6453819A (en) | 1987-08-25 | 1987-08-25 | Molding of turn table |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6453819A (fr) |
-
1987
- 1987-08-25 JP JP21230887A patent/JPS6453819A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6453819A (en) | 1989-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4781879A (en) | Method of making a magnetic recording disk | |
| KR940010947B1 (ko) | 광학 판독 정보 디스크와 그 기판의 제공 방법과 그 주형 및 그 수행 장치 | |
| JPS6396754A (ja) | 光学式情報記録円盤の製造方法 | |
| JPH0225009Y2 (fr) | ||
| JPH0558368B2 (fr) | ||
| JPS6396755A (ja) | 光学式情報記録円盤の製造方法 | |
| JPH0493217A (ja) | 回転ヘッドシリンダーおよびその製造方法 | |
| KR100286295B1 (ko) | 고밀도/저밀도겸용광디스크 | |
| JPS5949180B2 (ja) | アウトサ−ト成形法 | |
| JP4093686B2 (ja) | ディスク基板の成形金型及び成形装置 | |
| JPS625306Y2 (fr) | ||
| JPS6195942A (ja) | 複合基板の製法 | |
| JP2799754B2 (ja) | 磁気テープカセット用ハーフケースとその成形装置 | |
| JP2516822B2 (ja) | 光磁気ディスク基板の製造方法 | |
| JPS5820339Y2 (ja) | テ−プレコ−ダナドノキバンソウチ | |
| JPH0948045A (ja) | 金型装置 | |
| JP2683742B2 (ja) | 光ディスク等用成型装置 | |
| JPH01248340A (ja) | 基板成形装置 | |
| JPS599017A (ja) | 複合成形部材 | |
| JPH10128807A (ja) | 型押えと型とこれを用いた成形装置とこれにより成形された成型品 | |
| JPH02260184A (ja) | 基板の成形方法 | |
| JPH04249139A (ja) | シャーシーボス座 | |
| WO2003042995A1 (fr) | Dispositif de moulage metallique utilise dans la fabrication d'un materiau de substrat en forme de disque, procede de fabrication d'un materiau de substrat en forme de disque, materiau de substrat en forme de disque pour disque optique et disque optique | |
| JPH0295818A (ja) | 光ディスク基板成形金型 | |
| JPH0698638B2 (ja) | アウトサ−ト成形法 |