TW200630198A - Mold for molding disk substrate and method for molding disk substrate - Google Patents
Mold for molding disk substrate and method for molding disk substrateInfo
- Publication number
- TW200630198A TW200630198A TW094145253A TW94145253A TW200630198A TW 200630198 A TW200630198 A TW 200630198A TW 094145253 A TW094145253 A TW 094145253A TW 94145253 A TW94145253 A TW 94145253A TW 200630198 A TW200630198 A TW 200630198A
- Authority
- TW
- Taiwan
- Prior art keywords
- disk substrate
- mold
- interior hole
- cutter
- molding
- Prior art date
Links
- 239000000758 substrate Substances 0.000 title abstract 8
- 238000000465 moulding Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 230000002950 deficient Effects 0.000 abstract 1
- 238000003475 lamination Methods 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
Abstract
To solve the following problem: burrs higher than the central area surface of a disk substrate are formed in the interior hole end part of the disk substrate during the molding of the disk substrate, crushed in the following process, dropped on the transfer surface of the disk substrate to cause the occurrence of a defective, and contacted with each other when laminated on another disk substrate to obstruct the lamination. In a mold for molding the disk substrate having a fixed mold (12) and a movable mold (13) forming a cavity (4) when put together, a male cutter (28) which is set in the movable mold (13) and can be projected, a female cutter (19) set in the fixed mold (12) and provided with an interior hole (19a) into which the male cutter (28) is inserted, and a sprue bush (20) which is set in the interior hole (19a) of the female cutter (19) or formed integrally and to which a molten resin is supplied, an annular projection part (30) of the height of 30-80 μm is formed in the tip surface of the female cutter (19) to adjoin the interior hole (19a).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005049161A JP4369381B2 (en) | 2005-02-24 | 2005-02-24 | Disk substrate molding die and disk substrate molding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200630198A true TW200630198A (en) | 2006-09-01 |
| TWI289500B TWI289500B (en) | 2007-11-11 |
Family
ID=36935398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW94145253A TWI289500B (en) | 2005-02-24 | 2005-12-20 | Mold for molding disk substrate and method for molding disk substrate |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4369381B2 (en) |
| CN (1) | CN100429065C (en) |
| TW (1) | TWI289500B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI621118B (en) * | 2012-11-15 | 2018-04-11 | Sony Corp | Manufacturing method of substrate for optical recording medium |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008069048A1 (en) * | 2006-11-29 | 2008-06-12 | Sumitomo Heavy Industries, Ltd. | Disc forming die, disc substrate and method for forming the disc substrate |
| CN103737827B (en) * | 2014-01-15 | 2016-04-13 | 晟扬精密模具（昆山）有限公司 | Supporting cast gate |
| EP3319776B1 (en) * | 2015-07-08 | 2022-02-23 | Husky Injection Molding Systems Ltd. | Injection molding apparatuses |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11240048A (en) * | 1998-02-25 | 1999-09-07 | Meiki Co Ltd | Mold for molding disc base and method for molding disc base |
-
2005
- 2005-02-24 JP JP2005049161A patent/JP4369381B2/en not_active Expired - Fee Related
- 2005-12-20 TW TW94145253A patent/TWI289500B/en not_active IP Right Cessation
- 2005-12-30 CN CNB2005101355863A patent/CN100429065C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI621118B (en) * | 2012-11-15 | 2018-04-11 | Sony Corp | Manufacturing method of substrate for optical recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI289500B (en) | 2007-11-11 |
| JP4369381B2 (en) | 2009-11-18 |
| CN100429065C (en) | 2008-10-29 |
| CN1824485A (en) | 2006-08-30 |
| JP2006231687A (en) | 2006-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |