Patents
Patents for B29D 17 - Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback or cylinder records; Producing record discs from master stencils (1,284)
03/1999
03/11/1999WO1998054227A3 Device for curing an adhesive between two layers of an information carrier
03/10/1999EP0900436A1 Process for producing an optical information carrier and optical information carrier
03/04/1999WO1999010153A1 Apparatus and method of production of optical recording medium
03/03/1999EP0675794B1 Injection mold with heating and cooling phases
02/1999
02/24/1999CN1208923A Method and apparatus for mfg. disc-shaped recording medium
02/23/1999US5874132 Video or compact disks; reduced thickness distribution of a resin layer and improved productivity
02/11/1999WO1998049010A3 Method and device for gluing two substrates
02/09/1999US5870265 Magnetic recording disc having an idle fly zone and tapering transition zones on each side thereof
02/03/1999EP0895234A1 Method and apparatus for manufacture of laminated optical disc
01/1999
01/27/1999EP0879121A4 Apparatus and method for curing endless rubber track
01/21/1999WO1999003100A1 Method of manufacturing a master disc unit and a matrix produced therefrom and adapter ring for manufacturing the master disc unit
01/20/1999EP0891621A1 Process for manufacturing optical data storage disk stamper
01/20/1999EP0891253A1 Stamper for two layered disc
01/12/1999US5858498 Optical disk containing multilayred substrate
12/1998
12/23/1998WO1998057806A1 Compact disc tack curing assembly line
12/23/1998WO1998057799A1 Preparation of a recording carrier
12/23/1998CA2294370A1 Preparation of a recording carrier
12/16/1998EP0884724A2 Optical discs
12/08/1998US5846627 Method for writing and reading data on a multi-layer recordable interferometric optical disc and method for fabricating such
12/03/1998WO1998054708A1 Method and apparatus for manufacturing optical disk
12/03/1998WO1998054227A2 Device for curing an adhesive between two layers of an information carrier
12/01/1998US5843257 Method of developing an adhesive and a rotary holding table for carrying out the same method
11/1998
11/25/1998EP0879121A1 Apparatus and method for curing endless rubber track
11/24/1998US5840395 Optical information recording medium and method for producing same
11/18/1998CN1198980A Stamper protecting layer for optical disk molding apparatus, optical disk molding apparatus and optical disk molding method using the stamper protecting layer
11/11/1998EP0876901A1 Device for manufacturing information carriers by injection moulding
11/11/1998EP0876662A1 Manufacture of optical data storage disc
11/05/1998WO1998049681A1 Dry bonded digital versatile disc with one or more layers of adhesive
11/05/1998WO1998049010A2 Method and device for gluing two substrates
11/05/1998DE19718471A1 Verfahren und Vorrichtung zum Verkleben von zwei Substraten Method and device for bonding two substrates
10/1998
10/28/1998CN1197529A Optical disc and process for the prodn. of the same, and process for the prodn. of sheet material
10/27/1998US5827593 Disc substrate used for an optical disc and a molding die for molding the same
10/22/1998WO1998047140A1 Hubless optical disc having low radial runout and method of manufacture
10/21/1998EP0872331A1 Stamper protecting layer for optical disk molding apparatus, optical disk molding apparatus and optical disk molding method using the stamper protecting layer
10/13/1998US5820794 Multi-layer optical recording medium manufacturing method
10/07/1998EP0869488A2 Bonded optical disk
09/1998
09/24/1998WO1998041984A1 Method of production of information recording carrier
09/23/1998EP0866450A1 Device and process for gluing disc halves for manufacturing data-storage optical discs
09/17/1998CA2230413A1 Apparatus and method for gluing disc halves together during manufacturing of data-storage optical discs
09/16/1998EP0865038A1 Transferring device for optical discs being processed in a disc-making machine, machine incorporating said device and transferring method put into practice thereby
09/12/1998CA2230394A1 Transferring device for optical discs being processed in a disc manufacturing assembly, disc manufacturing assembly incorporating the transferring device and associated transferring method
09/08/1998US5804017 Curable polymer; flexible stamper having information bearing pattern on surface; distortion; pressing; forming replica of information bearing pattern in polymer surface; curing
08/1998
08/27/1998WO1998037556A1 Original board for manufacturing optical disk stampers, optical disk stamper manufacturing method, and optical disk
08/26/1998EP0860259A2 Apparatus for transporting substrates
08/19/1998EP0858658A1 Method of copying a recording stamper
08/04/1998US5789053 Bonded disc and an apparatus for manufacturing the same and the manufacturing method thereof
07/1998
07/30/1998WO1998032590A1 Diffractive optical elements
07/29/1998EP0772875A4 Process for manufacturing optical data storage disk stamper
07/21/1998US5783371 Process for manufacturing optical data storage disk stamper
07/14/1998US5780205 Method for manufacturing a mold for a disc-shaped registration carrier
07/14/1998US5779855 Apparatus for curing an optical disc
07/08/1998CN1039063C Device for manufacturing mould for disc shaped registration carrier
06/1998
06/25/1998WO1998027551A1 Master for producing optical discs
06/25/1998DE19653078A1 Leitstrukturen in optischen Speichermedien Lead structures in optical storage media
06/23/1998US5770238 Master disk for making dies for pressing in particular optical disks
06/16/1998US5766407 Optical disk producing apparatus
06/09/1998US5763037 Optical recording media with grooves, moldings
06/09/1998US5763002 Methods of manufacture of master disk for making a die for pressing optical disks
05/1998
05/26/1998US5756265 Multilayer optical disc and method of making same
05/13/1998EP0840926A1 Method and apparatus for making an optical information record
04/1998
04/15/1998EP0836182A2 Methods for bonding structurally dissimilar optical discs
04/15/1998EP0836181A2 Methods for bonding double-sided discs
03/1998
03/12/1998WO1998009806A1 Stamper for two layered disc
03/05/1998WO1998009282A1 Method of copying a recording stamper
02/1998
02/11/1998CN1173017A Optical disk and process for producing the same
02/10/1998US5716761 Double-sided-multi-layered optical disc and a method for manufacturing the same
01/1998
01/22/1998WO1998002875A1 Optical disc and process for the production of the same, and process for the production of sheet material
01/13/1998US5708652 Multi-layer recording medium and method for producing same
12/1997
12/29/1997EP0814470A2 Optical disk and process for producing the same
12/23/1997US5700539 Thin film and interferometric optical disk media and mass production method for fabricating such and multi-layer CDS
11/1997
11/18/1997US5688447 Mass production method for fabricating multi-layer CDs
11/11/1997US5686026 Process for manufacturing optical discs
11/06/1997WO1997041557A1 Process for producing an optical information carrier and optical information carrier
10/1997
10/30/1997WO1997040494A1 Method and apparatus for manufacture of laminated optical disc
10/23/1997WO1997039449A1 A device for manufacturing of disc-shaped information carriers
10/15/1997EP0801383A1 A device for processing a disc-shaped substrate as well as a station suitable for being coupled to such a device
10/09/1997WO1997037348A1 Process for manufacturing optical data storage disk stamper
10/09/1997WO1997036737A1 Method and apparatus for glueing together disc elements
10/09/1997CA2250543A1 Process for manufacturing optical data storage disk stamper
10/02/1997WO1997035720A1 Method and apparatus for laminating boards
09/1997
09/30/1997US5673251 Two substrates bonding type optical disk and method of producing the same
09/23/1997US5669995 Spin coating a ultra violet curable polymer to a master disc having pre-recording grooves, curing, shaping plastic or glass substrate in the form of disk, peeling cured film, attaching to disk, depositing dye, refractive, lacquer layers
09/17/1997CN1159863A Process for manufacturing optical data storage disk stamper
09/17/1997CN1159644A Information recording medium, method and equipment for making medium
09/16/1997US5667658 Compact disks, sputtered nickel vanadium alloy has improved releasing properties
09/03/1997EP0793224A1 Disk bonding system
09/02/1997US5663016 All-polymeric phase shift masks
08/1997
08/20/1997EP0790608A1 Method of developing an adhesive and a rotary holding table for carrying out the same method
07/1997
07/31/1997WO1997027584A2 Manufacture of optical data storage disc
07/17/1997DE19654306A1 Forming prerecorded optical disc substrate in high speed moulding process
07/09/1997EP0782911A2 Stamper plate attaching/detaching device of injection mold for optical disc substrate
07/09/1997CN1154174A Optical disk and production method thereof
06/1997
06/25/1997EP0780216A2 Information recording medium, method for manufacturing the medium, and apparatus for manufacturing the medium
06/03/1997US5635114 Master duplication; data processing
05/1997
05/14/1997EP0773372A2 Rotation holding table for rotating and holding a storage disc thereon and a boss thereof
05/14/1997EP0772875A1 Process for manufacturing optical data storage disk stamper
05/06/1997US5626885 Method of manufacturing an optically readable disc, and arrangement for carrying out the method
05/02/1997EP0770995A1 Optical disk and production method thereof
04/1997
04/23/1997CN1147983A Mold for pressing and molded glass substrate for computer memory by using it
03/1997
03/27/1997DE19634974A1 Preßform und unter ihrer Verwendung geformtes Glassubstrat für einen Computerspeicher Compression mold and molded using them glass substrate for a computer memory
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