FR2676577B1 - - Google Patents
Info
- Publication number
- FR2676577B1 FR2676577B1 FR9105821A FR9105821A FR2676577B1 FR 2676577 B1 FR2676577 B1 FR 2676577B1 FR 9105821 A FR9105821 A FR 9105821A FR 9105821 A FR9105821 A FR 9105821A FR 2676577 B1 FR2676577 B1 FR 2676577B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
- B29D17/005—Producing optically read record carriers, e.g. optical discs
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9105821A FR2676577A1 (fr) | 1991-05-14 | 1991-05-14 | Procede de fabrication de matrices de pressages, notamment pour la realisation de disques optiques. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9105821A FR2676577A1 (fr) | 1991-05-14 | 1991-05-14 | Procede de fabrication de matrices de pressages, notamment pour la realisation de disques optiques. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2676577A1 FR2676577A1 (fr) | 1992-11-20 |
| FR2676577B1 true FR2676577B1 (US07943777-20110517-C00090.png) | 1995-04-07 |
Family
ID=9412763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9105821A Granted FR2676577A1 (fr) | 1991-05-14 | 1991-05-14 | Procede de fabrication de matrices de pressages, notamment pour la realisation de disques optiques. |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2676577A1 (US07943777-20110517-C00090.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6190838B1 (en) * | 1998-04-06 | 2001-02-20 | Imation Corp. | Process for making multiple data storage disk stampers from one master |
| US6616867B2 (en) | 2001-02-07 | 2003-09-09 | Imation Corp. | Multi-generation stampers |
| US6638692B1 (en) | 2001-07-16 | 2003-10-28 | Imation Corp. | Replicated regions on optical disks |
| US7008208B1 (en) | 2002-01-17 | 2006-03-07 | Imation Corp. | Grounded molding tool for manufacture of optical components |
| US6977052B1 (en) | 2002-01-18 | 2005-12-20 | Imation Corp | Check disk for optical data storage disk manufacturing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5835742A (ja) * | 1981-08-21 | 1983-03-02 | Victor Co Of Japan Ltd | 情報記録媒体円盤の製作に用いられるスタンパの製作法 |
| NL8802081A (nl) * | 1988-08-23 | 1990-03-16 | Nagron Precision Tooling | Werkwijze voor het vervaardigen van een drager met optisch leesbare, digitale informatie. |
-
1991
- 1991-05-14 FR FR9105821A patent/FR2676577A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2676577A1 (fr) | 1992-11-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| RN | Application for restoration | ||
| FC | Favourable decision of inpi director general on an application for restauration. | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |