JP4024770B2 - ダミーディスク基板の成形用金型 - Google Patents
ダミーディスク基板の成形用金型 Download PDFInfo
- Publication number
- JP4024770B2 JP4024770B2 JP2004083137A JP2004083137A JP4024770B2 JP 4024770 B2 JP4024770 B2 JP 4024770B2 JP 2004083137 A JP2004083137 A JP 2004083137A JP 2004083137 A JP2004083137 A JP 2004083137A JP 4024770 B2 JP4024770 B2 JP 4024770B2
- Authority
- JP
- Japan
- Prior art keywords
- disk substrate
- mold
- cavity forming
- mirror plate
- dummy 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 - Fee Related
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/58—Applying the releasing agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
- B29C2033/422—Moulding surfaces provided with a shape to promote flow of material in the mould cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
- B29C33/424—Moulding surfaces provided with means for marking or patterning
- B29C2033/426—Stampers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
Description
12,42 固定金型
13,43 可動金型
14,44,45 キャビティ
15 固定型板
16 断熱板
17 固定裏板
18,53 固定鏡面板
18a,19a,24a ,26a,53a,62a キャビティ形成面
19,52 ゲートインサート
20,51 スプルブッシュ
21 固定外周リング
22 可動型板
23 可動裏板
24,54,62 可動鏡面板
25 外周キャビティ形成ブロック
26,63 内周キャビティ形成ブロック
26b 環状突起
27,59 エジェクタ
28,60 オスカッタ
29,61 突出ピン
29a 係止部
30 可動外周リング
31,64 離型エア通路
46 ホットランナ機構
47 ノズル当接部
48 マニホールド
49 溶融樹脂通路
50 ノズル
55 転写用スタンパ
56 外周スタンパホルダ
57 内周スタンパホルダ
58 ステーショナリスリーブ
A ピットが転写されないダミーディスク基板(ダミーディスク基板)
A1 貼合わせ面
A2,B2 環状凹部
A3,B3 内周孔
A4 プリント面
B ピットが転写されたディスク基板(転写ディスク基板)
B1 転写面
B4 読取面
C 光ディスク
D 接着剤
Claims (2)
- ピットが転写されたディスク基板と貼合わされるピットが転写されていないダミーディスク基板を、固定金型と可動金型の間に形成されるキャビティにて成形するダミーディスク基板の成形用金型において、
前記ピットが転写されたディスク基板との貼合わせ面を形成するスタンパが配設されないキャビティ形成面を有する鏡面板と、前記鏡面板の中心開口に挿入される円筒状の内周キャビティ形成ブロックと、前記内周キャビティ形成ブロックに形成される環状突起と、前記鏡面板と内周キャビティ形成ブロックとの間には離型エア通路とが設けられ、
可動金型の型開きと前後して前記離型エア通路からエアがダミーディスク基板の貼合わせ面と鏡面板のキャビティ形成面の間に及ぼされることを特徴とするダミーディスク基板の成形用金型。 - 前記ピットが転写されたディスク基板との貼合わせ面を形成するスタンパが配設されないキャビティ形成面を有する鏡面板の表面には、ダイヤモンドライクカーボン、窒化化合物、炭化化合物、およびタングステンカーバイトの少なくとも一種類からなるコーティングがなされ、表面粗度が0.05μmRzないし0.4μmRzに加工されていることを特徴とする請求項1に記載のダミーディスク基板の成形用金型。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004083137A JP4024770B2 (ja) | 2004-03-22 | 2004-03-22 | ダミーディスク基板の成形用金型 |
TW093141034A TWI276100B (en) | 2004-03-22 | 2004-12-28 | Mould for optical disc substrate forming |
TW095105299A TW200705439A (en) | 2004-03-22 | 2004-12-28 | Molding mold for disc substrate |
CNA2005100001700A CN1672904A (zh) | 2004-03-22 | 2005-01-06 | 光盘基板成形用模具 |
KR1020050007137A KR100716496B1 (ko) | 2004-03-22 | 2005-01-26 | 디스크 기판의 성형용 금형 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004083137A JP4024770B2 (ja) | 2004-03-22 | 2004-03-22 | ダミーディスク基板の成形用金型 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005262842A JP2005262842A (ja) | 2005-09-29 |
JP4024770B2 true JP4024770B2 (ja) | 2007-12-19 |
Family
ID=35045804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004083137A Expired - Fee Related JP4024770B2 (ja) | 2004-03-22 | 2004-03-22 | ダミーディスク基板の成形用金型 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4024770B2 (ja) |
KR (1) | KR100716496B1 (ja) |
CN (1) | CN1672904A (ja) |
TW (2) | TWI276100B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007253372A (ja) * | 2006-03-22 | 2007-10-04 | Meiki Co Ltd | ディスク基板の成形金型、ディスクの製造方法、およびディスク |
JPWO2008111387A1 (ja) * | 2007-03-15 | 2010-06-24 | コニカミノルタオプト株式会社 | 記録媒体用基板、及び記録媒体用基板の製造方法 |
JP2009006615A (ja) * | 2007-06-28 | 2009-01-15 | Taiyo Yuden Co Ltd | 光ディスクおよび成形用金型装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1058443A1 (en) * | 1999-06-02 | 2000-12-06 | Alcatel | User terminal with internal directory for storage of telephone numbers as well as an address of an external directory |
-
2004
- 2004-03-22 JP JP2004083137A patent/JP4024770B2/ja not_active Expired - Fee Related
- 2004-12-28 TW TW093141034A patent/TWI276100B/zh not_active IP Right Cessation
- 2004-12-28 TW TW095105299A patent/TW200705439A/zh not_active IP Right Cessation
-
2005
- 2005-01-06 CN CNA2005100001700A patent/CN1672904A/zh active Pending
- 2005-01-26 KR KR1020050007137A patent/KR100716496B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TWI276100B (en) | 2007-03-11 |
TW200532683A (en) | 2005-10-01 |
TW200705439A (en) | 2007-02-01 |
CN1672904A (zh) | 2005-09-28 |
TWI329317B (ja) | 2010-08-21 |
KR20050094347A (ko) | 2005-09-27 |
JP2005262842A (ja) | 2005-09-29 |
KR100716496B1 (ko) | 2007-05-09 |
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