Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 7311516 | Die for molding disk substrate and method of manufacturing disk substrate 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 the outer periphery thereof. Th... | 12/25/2007 |
| 7294294 | Surface modified stamper for imprint lithography A method of performing imprint lithography of a surface substrate includes a stamper having a thin lubricant coating thereon to facilitate release of the stamper from the imprinted surface to reduce degradation of image replication. Embodiments of the invention incl... | 11/13/2007 |
| 7195473 | Railroad tie and method for making same Thermoplastic polymers, rubbery polymeric components and reinforcing fillers are mixed and heated to a range of 380° F. to 440° F. The resulting mixture is then fed into a BANBURY mixer, with the resulting mixture fed into a diverter feeding two molds. The velocit... | 03/27/2007 |
| 7188350 | Promotional article and method for assembling the article A promotional article and a method for assembling the promotional article is disclosed. The promotional article includes a product, a flexible data carrier placed over the product, and a cover which secures the flexible data carrier to the product. The promotional a... | 03/06/2007 |
| 7171676 | Stamper for producing optical recording medium, optical recording medium, and methods of producing the same A method of producing a stamper, an optical recording medium produced by molding using the stamper, and a method of producing the same, wherein a base member having a mirror polished main surface and comprising silicon or glass is formed with a resist film; the resi... | 01/30/2007 |
| 7138165 | Intermediate for optical recording medium, mold, molding apparatus, and method of manufacturing optical recording medium There is provided an intermediate for an optical recording medium, which can be uniformly coated with resin by the spin coating method without using a resin coating-assisting member, and allows formation of a central mounting hole without burrs. The intermediate com... | 11/21/2006 |
| 7096770 | Optical recording medium-manufacturing apparatus There is provided an optical recording medium-manufacturing apparatus that is capable of accurately transferring a disk-shaped apparatus during a manufacturing process, and at the same time occupies a small installation area. A control section causes a cut-forming m... | 08/29/2006 |
| 7018193 | Die for molding disc substrates A die for molding disc substrates, includes, in a stamper, a to-be-held surface that diverges continuously from an inner circumferential surface of a center hole. An inner stamper holder holding the inner circumferential side of the stamper includes a cylindrical bo... | 03/28/2006 |
| 6971116 | Stamper for producing optical recording medium, optical recording medium, and methods of producing the same A stamper suppressed in surface roughness, uneven thickness, and deviation of circularity in inner circumference, a method of producing the same, an optical recording medium produced by molding using the stamper, and a method of producing the same, wherein a base me... | 11/29/2005 |
| 6887404 | Security marking system and method for minimizing pirating of data on data media including compact discs and digital versatile discs The present invention is a method and system of marking data media products by introducing a predetermined tracing substance constituting a security marking into a polycarbonate (or polystyrene) composition during the manufacturing stages of the polycarbonate materi... | 05/03/2005 |
| 6869557 | Multi-level stamper for improved thermal imprint lithography A stamper/imprinter for use in performing thermal imprint lithography of a substrate/workpiece surface to form a pattern of features in first portions of the surface intended to receive the pattern, without incurring random formation of undesired, disordered feature... | 03/22/2005 |
| 6849390 | Stamper-forming electrode material, stamper-forming thin film, and method of manufacturing optical disk A stamper-forming electrode material contains Cu as its main ingredient and at least one other element, preferably Ag and/or Ti. It is preferred that the Ag content be 10.0 wt % or less and that the Ti content be 5.0 wt % or less. A stamper-forming thin film is made... | 02/01/2005 |
| 6761618 | Defect-free magnetic stampers/imprinters for contact patterning of magnetic media A method of manufacturing a magnetic stamper/imprinter for use in patterning of magnetic recording media by means of a contact printing process, comprising sequential steps of: (a) providing a stamper/imprinter comprising a body of a magnetic material having ... | 07/13/2004 |
| 6703100 | Disk-like recording medium and method for producing the same A recording medium for information signals including a substrate, a signal recording layer provided on one major surface of the substrate and a clamp member having a positioning unit at its center portion and formed of a material that can be magnetically ... | 03/09/2004 |
| 6696099 | Optical disk employing integral substrate, and method for manufacturing the same An optical disk, which comprises: a common integral substrate having grooves and/or pits formed on its both sides: and a film structure on at least one side of the integral substrate. They are manufactured by preparing two stampers; simultaneously forming... | 02/24/2004 |
| 6520764 | Molding die for optical recording disk There is disclosed a molding die which can prevent or restrain a wedge-like deformation from being formed at an outer peripheral portion of an optical recording disk. The molding die is for molding a thin circular plate optical recording disk by injecting... | 02/18/2003 |
| 6464487 | Injection-moulding tool for the production of information carriers in disc form An injection-moulding tool (10) for the production of information carriers in disc form, in particular in the form of CDs and/or DVDs, comprises for the forming of an injection mould (25) a first and a second mirror block (11 and 12, respectively), which ... | 10/15/2002 |
| 6354827 | Stamper assembly for manufacturing optical data storage disks Disclosed is a stamper assembly for forming an optical data storage disk in a disk molding process. The stamper assembly includes a block element having a first major surface, and a stamper member having a first major surface and an opposite, second major... | 03/12/2002 |
| 6210609 | Method of manufacturing optical recording medium In the method of manufacturing an optical recording medium according to the present invention, when an optical recording medium having at least first and second minute concave and convex surfaces formed thereon is manufactured, the first and second minute... | 04/03/2001 |
| 6165391 | Manufacture of optical data storage disc A method and apparatus forming a micro-relief pattern on a surface of an optical disc, which micro-relief pattern may form a holographic image in which a shim bearing a micro-relief pattern is pressed onto the surface of the disc and the apparatus used en... | 12/26/2000 |
| 6143231 | Dynamic mold seal A dynamic mold seal for a mold having two relatively movable mold halves is provided. The dynamic mold seal is formed by a sealing ring mounted or secured to a first one of the mold halves. The sealing ring includes a rigid ring portion and a sealing port... | 11/07/2000 |
| 6099287 | Stamper protecting layer for optical disk molding apparatus A stamper protecting layer is interposed between a mold and a stamper of an optical disk molding apparatus, so that forces generated by extension and shrinkage of the stamper in a diametrical direction of the stamper relative to the mold when an optical d... | 08/08/2000 |
| 6068906 | Mold for making disc substrate, process for producing mold and disc substrate A disc substrate molding metal mold apparatus adapted for molding synthetic resin material to carry out molding of disc substrate of an information signal recording medium. This metal mold apparatus is adapted so that smoothing layers of metal are integra... | 05/30/2000 |
| 5897814 | Method for injection molding of optical discs In a method for controlling the heat transfer in a process for molding an optical disc of the type having a plurality of laser readable depressions of a predetermined quality, the process steps include injecting molten thermoplastic material into a mold h... | 04/27/1999 |
| 5851620 | Disc metal mold and recorded disc Improved disc metal mold provides an improved disc without a ring groove thereon. The improved disc metal mold has a fixed metal mold section and a movable metal mold section for forming a cavity therebetween. One of the fixed and movable metal molds has ... | 12/22/1998 |
| 5820898 | Metal mold apparatus for molding an optical disk An optical disk metal mold apparatus includes a fixed cavity plate; a movable cavity plate facing the fixed cavity plate; a disk-shaped plate disposed on at least one of the fixed and movable cavity plates such that it is movable with respect thereto; a s... | 10/13/1998 |
| 5783233 | Cooling device of an injection mold for making an optical disk substrate A cooling device of an injection mold for an optical disk substrate reduces the chances of cavitation caused by a turbulent flow of passing cooling water, thus enabling a disk cavity plate to be cooled uniformly. A plurality of main arc-shaped passages, w... | 07/21/1998 |
| 5783371 | Process for manufacturing optical data storage disk stamper A process for manufacturing an optical data storage disk stamper includes the steps of providing an amorphous electroless nickel substrate including phosphorous in the amount in a range of about 5 to 15 percent by weight having a toughness of about 100 MP... | 07/21/1998 |
| 5770348 | Optical disk and method for its manufacture This invention provides an optical disk whose recorded information cannot be easily copied to other recording media, with practically no degradation of strength. The optical disk of this invention has a ring-shaped signal layer made of radiation curable r... | 06/23/1998 |
| 5766652 | Means for holding a stamper plate in a molding metal die An apparatus for holding a stamper plate in a molding metal die is provided which comprises a cavity plate having a cavity center hole, a stamper plate press member having a flange portion larger than the stamper plate center hole, a vacuum evacuation dev... | 06/16/1998 |
| 5753275 | Cavity plates aligning and guiding apparatus in disk injection molding dies An apparatus for guiding and aligning fixed side and movable side disk cavity plates of disk injection molding dies of an injection molding device is provided with a plurality of first grooves formed on the outer surface of the fixed side disk cavity plat... | 05/19/1998 |
| 5738886 | Mold for disk substrate A mold for molding a substrate of a disk, including a stationary and a movable mold half which are movable relatively to each other, a positioning ring portion on the movable mold half, for positioning an annular stamper at its center hole, and an ejector... | 04/14/1998 |
| 5705105 | Process for making optical disk substrates A process for producing high-density thin type optical disk substrates having good replicability and birefringence sufficient for practical use. In filling the resin into the cavity, the stress on the resin is reduced by controlling the relation of the ca... | 01/06/1998 |
| 5693348 | Disc molding die A disc molding die includes a stationary-side mirror block disposed on a stationary die, a movable-side mirror block disposed on a movable die and facing the stationary-side mirror block so as to define a cavity in combination with the stationary-side mir... | 12/02/1997 |
| 5690974 | Metal mold for molding runnerless product A novel and improved metal mold for molding a runnerless product can be provided. The metal mold according to the present invention comprises a stationary and a movable mold halves, one of which is provided at the center thereof with a recess and the othe... | 11/25/1997 |
| 5686026 | Process for manufacturing optical discs A process of manufacturing the optical discs by injection molding includes compulsive forced cooling of the molded discs, carried out after sputtering to shorten the cooling time in the mold, in consideration of keeping the replication errors in the pits ... | 11/11/1997 |
| 5683630 | Process for making optical disk substrates A process for producing high-density thin type optical disk substrates having good replicability and birefringence sufficient for practical use. In filling the resin into the cavity, the stress on the resin is reduced by controlling the relation of the ca... | 11/04/1997 |
| 5674284 | Intraocular lens with fracture resistant haptics The polymethyl methacrylate (PMMA) or copolymer thereof used to produce one-piece intraocular lenses is modified by a compression molding process to produce a much tougher material with improved mechanical properties. The process takes material in rod for... | 10/07/1997 |
| 5648106 | Injection mold for molding information recording discs An improved injection mold for molding an information recording disc is provided. It includes a holder frame fitted to a mold fitting plate, a mirror platen member for a stamper held in the holder frame, a tubular inner periphery holder fitted into a cent... | 07/15/1997 |
| 5607705 | Mold for molding disc substrata A mold for molding digital data discs has interchangeable stampers. An outer peripheral stamper retainer and a mirror block with a convex portion allow interchange without dismounting the mold. The outer stamper peripheral retainer has a plurality of arcu... | 03/04/1997 |
