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WO/2021/118344A1 |
Method for producing gramophone records by injection moulding A method for producing gramophone records by injection moulding, comprises the Steps of heating polymeric material to liquefy said material, supplying liquid polymeric materia...
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WO/2021/108798A1 |
A polymeric aerosol dispenser (30) that is recyclable. The recyclable polymeric aerosol dispenser (30) including all polymeric components. These components being selectively either fixedly joined or separably joined based on the material...
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WO/2020/038733A1 |
A gramophone plate (P) having at least one face, the at least one face including at least one region on which is recorded audio data (2), wherein the said at least one region of the at least one face also has at least one visual image (7...
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WO/2010/075373A1 |
A reflective film includes a first optical stack that provides a first reflective characteristic and a second optical stack that provides a second reflective characteristic. The optical stacks also have first and second absorptive charac...
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WO/2009/134365A1 |
A method is disclosed for forming an optical disc that includes re-using a component during fabrication. The optical disc includes a composite substrate having one component that serves as a stamper of a data layer during disc fabrication.
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WO/2009/129771A1 |
The invention relates to a process for the aligned joining of two surfaces which are each shaped by taking an impression from a mould. In this process, at least one recess is introduced into each of the surfaces of the moulds to provide ...
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WO/2009/075700A1 |
A Flexible VCD Having Domed Center and Method of Making Thereof is disclosed. The disc will has a flat data storage section of its substrate that is less than 0.7 millimeters thick, while the central region of the disc is defined by a do...
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WO/2009/000568A1 |
The invention provides a method for the structuring of a substrate. A liquid thermoset material is applied as embossment layer to the surface of the substrate. An embossment pattern is introduced into the thermoset material by hot emboss...
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WO/2008/135320A1 |
The invention relates to a method for structuring a substrate. According to the invention, the method comprises the following steps: coating a carrier substrate with a layer of curable material; liberating the material layer of an oxygen...
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WO/2008/135318A1 |
The invention relates to a device for the alternate heating and cooling of a component. The device has a unit for holding a component, a unit for cooling said component by means of a cooling surface that is in thermal contact with the co...
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WO/2008/046777A1 |
The optical storage medium (1) comprises a substrate layer (2), a data layer (3) with a mark/space structure arranged in tracks (T1-T4) on the substrate layer (2), and a cover layer (7). One track (T1, T3) comprises positive marks (PM) a...
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WO/2007/086484A1 |
Provided is a stamper for producing a multilayer optical recording medium, which can be produced in simple steps and can be repeatedly used. Particularly, provided is a stamper (115) for producing a multilayer optical recording medium, i...
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WO/2006/116885A1 |
A disk for optical storage media is being embossed with information during the injection molding process on both sides. Using 2 such disks, a reflective coating is being applied on the front side of the first disk and a resin layer is be...
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WO/2006/048045A1 |
Tilt management device (3) for modifying and controlling the tilt of optical discs (9), comprising a support (2) for supporting an optical disc (9), force applying means for applying on the disc (9) a force for attracting and/or pushing ...
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WO/2006/023372A1 |
A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a filtered polymeric composition having reduced leve...
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WO/2005/124755A1 |
Provided is an apparatus for optical disc spin coating including: a cap that has an inner surface separated from an upper surface of an optical disc, an outer surface having a horizontal central portion and extending to the optical disc,...
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WO/2005/112019A1 |
A method and device for manufacturing a disc-shaped workpiece comprises the steps of producing a first and second disc-shaped substrate, applying an adhesive on at least one of the flat sides of said first and second substrates, bonding ...
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WO/2005/112020A1 |
An inventive method for producing a disc shaped workpiece comprises the steps of producing a first and a second disc-shaped substrate, applying a first adhesive at least partially onto one of the flat sides of said first substrate, curin...
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WO/2005/112021A1 |
According to the invention, the changeover times on use of differing media for coating substrates for optical data supports may be reduced, whereby a device for coating substrates for optical data supports is provided. The device compris...
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WO/2005/086150A1 |
An optical disk ultraviolet irradiating device effectively using electric power and having a long life and an optical disk ultraviolet irradiating method are disclosed. The optical disk ultraviolet irradiating device (14) for irradiating...
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WO/2005/048252A1 |
A method, injection mold and injection molding apparatus for manufacturing an injection molded product, wherein, utilizing the same injection mold, injection molded products of a different final form are made, wherein the injection molde...
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WO/2005/046991A1 |
The invention relates to a method and a device for combining substrates to form an optical data carrier, said method and device permitting the optical data carrier to be slightly bent in a simple, cost-effective manner. The invention rel...
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WO/2005/023512A1 |
A method of molding a disk having improved physical and/or mechanical properties, such as physical stability is described. The method is useful in the molding of disks and disk substrates for data storage media.
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WO/2005/021648A1 |
A method is disclosed to purify a polymeric material by filtering a melt comprising poly(arylene ether) and poly(alkenyl aromatic) through a melt filtration system. The method provides a filtered polymeric composition having reduced leve...
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WO/2005/018901A1 |
A mold for forming a molded substrate for an optical disk capable of increasing the thickness accuracy of the optical disk formed by the molded substrate by suppressing the occurrence of burrs affecting the optical disk, the substrate fo...
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WO/2005/017573A2 |
A method and system for providing copy-protected optical medium using transient optical state change security materials capable of changing optical state when exposed to a wavelength of about 630 nm to about 660 nm and software code to d...
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WO/2005/000569A1 |
The present invention provides a method and apparatus for the continuous manufacturing of optical memory or optical memory substrates and/or optical disks, which includes supplying a polymeric web (110) of material to a substrate forming...
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WO/2004/101258A1 |
In the described method of producing a plurality of bodies bearing equal imprints of a stamp as optical structures, a stamp (13) is initially produced, by attaching particles (14) to a surface (15) of an auxiliary body (16); then, the st...
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WO/2004/078446A1 |
A die for molding a disk substrate capable of forming fine recessed and projected pits and grooves up to the outer periphery of the disk substrate by preventing low heat conductive elements from peeling off and burrs from occurring on th...
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WO/2004/078064A2 |
A hearing aid instrument (105) of the in-the-ear type (and preferably CIC) provides a plate member (117) with electronic hearing aid components mounted thereto. The plate member (117) is preferably of a harder material such as hard plast...
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WO/2004/054773A1 |
The present invention relates to a method of manufacturing a replica, which method comprises the provision of a curable resin composition between a mold and a substrate or a blank, carrying out a UV light-initiated or thermal curing trea...
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WO/2004/006019A1 |
A method of transferring a pattern (10) from a stamp (4) to a substrate (1), which is provided with a moldable film (2), comprises using a stamp (4) having a similar coefficicient of thermal expansion as the substrate (1), heating the st...
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WO/2004/006234A1 |
An optical recording medium having a light transmitting layer formed with a uniform thickness on a substrate and being not likely to cause flash and delamination on the inner peripheral portion of the light transmitting layer, and a prod...
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WO/2003/083854A1 |
A method for duplicating a shape characterized in that a stamper having a specified pattern formed on the surface thereof and a central opening is secured to an installation table, UV−curing resin is fed to the pattern on the stamper, ...
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WO/2003/078146A1 |
A method of making composite discs continuously, including forming for each disc a first, a second layer, and a third support layer, each support layer being disc shaped and having a first surface with information indicia. An information...
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WO/2003/052751A2 |
Embodiments of optical discs and methods for making the same are disclosed. In one embodiment, the optical disc comprises: at least two plastic substrates (1) comprising a bonding layer and a data layer disposed therebetween, wherein at ...
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WO/2003/042995A1 |
A metal mold device (30) capable of forming a disk−like substrate material for an optical disk with a center hole so that a resin layer with uniform thickness distribution can be formed thereon, a stamper (10) is held on a movable meta...
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WO/2003/042985A2 |
A description is given of a method of manufacturing a stamper for use in the manufacture of Small Form Factor (SFF) optical data storage media. A conventional master plate (2) is provided with a series of areas with spiral- or concentric...
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WO/2003/032306A1 |
A method of manufacturing a multilayer optical recording medium comprising two recording layers stacked, through a spacer layer, on a base material (D1) having an installation center hole (1a) formed thereon, comprising the steps of, whe...
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WO/2003/030160A1 |
A method for manufacturing an optical recording substrate in which an uneven and&sol or grooved surface of a stamper is brought into contact under a reduced pressure with an organic polymer sheet having the glass transition temperature b...
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WO/2003/028024A1 |
A method for producing a multilayer recording medium by forming two recording layers on a base material (D) while sandwiching a spacer layer. At the time of forming the spacer layer between a first recording layer and a second recording ...
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WO/2003/021590A1 |
A light transmitting layer is easily surface−treated at a low cost by a spin−coat method. When forming the light transmitting layer by the spin−coat method, an information recording layer (108) is transferred by using a resin stamp...
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WO/2003/017269A1 |
A film is formed on a disk−shaped substrate material to form a light transmissive resin layer without forming any center hole. An optical disk manufacturing method includes a step of injecting synthetic resin from a gate into a cavity ...
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WO/2003/009281A2 |
The invention is directed towards techniques for creating optical data storage disks. In one embodiment, the invention provides a simultaneous two-sided rolling bead process. For example, a method may include positioning a first bead of ...
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WO/2002/103691A1 |
A production method for an optical recording medium, comprising the first step of overlaying on a substrate via uncured ultraviolet curing resin a transfer stamper provided on at least one surface thereof with irregularities serving as t...
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WO/2002/095499A1 |
Method for manufacturing a stamper for optical disc production, comprising the preparing of a substrate (1), depositing a photoresist layer (3) on the substrate, locally irradiating the photoresist layer and developing it, depositing a b...
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WO/2002/090114A1 |
A pulse lamp system has two or more lamps (14 and 18) for providing pulses with common electronics (12) to perform processing such as curing coatings, curing adhesives, tilt management, and optical disk initialization.
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WO2001053065A9 |
An information layer for an optical information storage medium is formed in a centrifuge. A photopolymerizable composition is applied to a solid base having a relief pattern, and a flexible, transparent film layer is applied on top of th...
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WO/2002/051608A1 |
A metal mold device for forming an optical disk capable of uniformizing a metal mold temperature around a product cavity so that the dimensional accuracy of an optical disk can be increased, comprising a cavity block and a core block ins...
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WO/2002/049027A1 |
A disk substrate having no burr on the edge of a center hole. A disk substrate (23) is provided at its center hole (24) with a straight portion (24a) and a tapered portion (24b) and on its edge of a signal transfer face (22) of the taper...
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