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Patent Searching and Data


Matches 151 - 200 out of 1,205

Document Document Title
JP3961466B2
To provide an optical information recording medium which protects a transparent protective layer, has a projecting part to reduce the load on a motor during rotation and makes greater disk holding force obtainable. The disk-shaped optica...  
JP3958802B2
Substrates to be paired are alternately aligned. One substrate of a pair of substrates adjacent to each other is turned over thereby to face the other substrate, and the substrates held in a state facing each other are sent to a bonding ...  
JP2007196419A
To provide a method for producing a paper substrate for optical disks which is produced mainly from a paper base material excellent in terms of scrapping easiness and an environmental load, controls the occurrence of warpage, and is exce...  
JP3952381B2
To provide a disc molding device which controls to the minimum possible extent the eccentricity (the eccentricity of the disc) of the center of an information signal part of a disc to a center hole. This disc molding device has a movable...  
JP2007517918A
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...  
JP2007122875A
To obtain a high density optical disk for optically recording digital information into multiple reflective layers and a method for mass production of such optical disks.The thickness of each of multiple layers of the optical disk varies ...  
JP3916677B2  
JP3883538B2
A method for producing an optical recording medium of the present invention including a first laminating step, a second transferring step, a third detaching step, and a fourth forming step. The first step includes laminating a substrate ...  
JP2007038683A
To provide a method for duplicating a microstructure from a master having surface characteristics expressing a microstructure.The method comprises steps of: producing a liquid solution of a polymer; spin-coating the solution on a rotatin...  
JP2007503077A
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...  
JP3875986B2
To provide a method for reproducing an image from a master with extremely high resolution, e.g. 0.1 μm, and with high fidelity and for making a data recording medium having high capacity. A polymer solution is spin-coated onto a master ...  
JP3863188B2
A method for laminating boards includes placing boards with a narrow gap therebetween, inserting an adhesive injection nozzle the gap, discharging of adhesive from the nozzle into the gap so that the discharged adhesive makes into contac...  
JP2006525891A
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.  
JP3833265B2
The present invention refers to a laminated optical disc manufacturing apparatus (ODB) for manufacturing an optical disc (OD) by laminating at least a first substrate (6) and a second substrate (9). This apparatus (ODB) comprises adhesiv...  
JP3833506B2
To easily carries out surface treatment of a light transmissive layer by the spin coat method at a low cost. When forming a light transmissive layer by the spin coat method, transfer is made on the information recording layer 108 using a...  
JP3777737B2
To unneccesitate transportation mechanism of a mold, to shorten a transportation time of a mold, and to miniaturize a mold by transporting a substrate coated with hardened type resin to a mold of a mold holding mechanism, placing an appl...  
JP3763763B2
To solve the problem that it is difficult to make an optical disk into a multilayer structure because a light transmission layer cannot be formed of an injection molded substrate when the thickness of the light transmission layer is thin...  
JP3762759B2
To form the intermediate layer held between information recording layers of two or more with uniform thickness by suppressing variations in thickness in the manufacturing method of an optical information recording medium. The manufacturi...  
JP2006509870A
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...  
JP2006059533A
To provide a manufacturing method of a multilayer optical information recording medium that can cope with thinning of a recording/reproduction side substrate, and the optical information recording medium.A translucent stamper having groo...  
JP3749470B2
A method for manufacturing a disc-shaped substrate material for an optical disc with a center hole is provided so as to form a resin layer with a uniform thickness distribution in a simple process. A stamper 10 is held to a movable metal...  
JP2005339669A
To provide an imprint method by which an irregular pattern is formed in a short period of time without causing deformation and omission of rugged pattern.Stamper pressing processing in which a stamper 20 is pressed to a resin layer 14 fo...  
JP2005267738A
To provide a metal mold device which forms an optical disk substrate which can laminate signal faces successfully each other, while not causing a burr vertically to a reading face opposite to the signal face of the optical disk substrate...  
JP3693349B2  
JP3692051B2
To form a projected line resin film consisting of resin. A first recessed part 17a and a second recessed part 17b are formed in a flat substrate 11 at a prescribed interval and resin liquid is supplied on a flat part of the surface of th...  
JP3690740B2
To provide a stamper for an optical disk which eliminates release failure due to release irregularity during opening the mold while the transferring property is improved for molding a disk and with which high-quality optical disks can be...  
JPWO2003083854A1
この発明は、所定のパターンが表面に形成さ れかつ中央に開口部を有するスタンパを設置 台に固定し、スタンパ上の前記パターンに光 硬化樹脂を供給し、前記光硬化樹脂の上...  
JP3674725B2
To enable easy peel-off of a master from a photoresist layer, by causing a first layer provided on the photoresist to be precipitated from a sputtering target made of an NiV alloy. A first layer is made of a metal covering an embossing s...  
JP3656591B2
To provide a stamper of which surface roughness, thickness unevenness, the deviation in the out-of-roundness of a bore, etc., are suppressed, a method of manufacturing the same, an optical recording medium which can be manufactured by mo...  
JP2005141816A
To provide a method for manufacturing a multilayered recording type optical recording medium having satisfactory recording/reading characteristics.An energy-beam setting resin is pressurized by a translucent stamper 28 for spreading onto...  
JP2005513694A
[Subject] An optical disc and its production method. [Solution means] An optical disc is equipped with the plastic substrate (1) of two or more sheets with 1 enforcement form, One or more substrates (1) are read-out side boards, they rea...  
JP2005108375A
To provide a manufacturing method of a disk shaped recording medium comprising two or more information layers that can form uniform spacer layers between the recording layer surfaces by suppressing their film thickness variations.After a...  
JP2005509992A
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...  
JP3635588B2
To obtain a process for production suitable for the production of many kinds in small quantities with simple stages by holding radiation curing type resins between the reflection layers of first and second substrates and the reflection l...  
JP2005085402A
To provide a spin coat method which can eliminate a heap formed adjacent to an outer peripheral end by means of a simple process when a UV-curing resin layer is formed, and also provide a manufacturing method for a disk-shaped recording ...  
JP2005085403A
To provide a method for manufacturing a disk-shaped recording medium at a low cost by using a stamper member comprising a resin material, and also provide the stamper member for the method.An energy ray-curing resin 13 is applied to the ...  
JP2005085302A
To provide a manufacturing method for an optical recording medium which controls the eccentricity of a center hole at a small level and forms an optical transmission layer of uniform thickness even around the circumference of the center ...  
JP2005067055A
To provide a mold which molds a molding substrate for an optical disk, suppresses the occurrence of burrs etc., adversely affecting the optical disk, and improves the thickness precision of the optical disk constituted of the molding sub...  
JP2005063492A
To provide a manufacturing method and manufacturing apparatus for an optical disk of high productivity and high practicability capable of forming a coating film by spin coating at a uniform film thickness even if the optical disk is smal...  
JP3625430B2
In a vertical-type molding apparatus, bolts are piercingly provided at symmetrically opposed four locations in a stamper replacement unit and a fixed mold stacked together. These bolts are fastened by a single lever which is operated ext...  
JP3611950B2  
JP3610863B2
The present invention provides a method of efficiently manufacturing a dielectric waveguide with high reliability and precision. In the method, a resist material is formed on the outer surface of a green compact provided with a removal i...  
JP3593660B2
A molded disc substrate obtained by injection molding is rotated at high speed before the molded disc substrate has solidified, and a gas is also made to flow in an outward radial direction along a bottom surface of the molded disc subst...  
JP3588608B2
An optical disk having a recording layer on a substrate, a bonding layer which is made of an ultraviolet cured resin bonding the recording layer, a transparent layer which is bonded to the bonding layer, and an overcoating layer which is...  
JP3581246B2
A method of producing an optical disc of bonded type includes the processes of: (A) forming a first reflection film, which is half transparent for partially reflecting and partially transmitting an incident light, on a first information ...  
JP3580280B2
To solve the problem that transcription is deteriorated by cracking caused by stress when a spacer layer is formed. A sheet 7 which becomes spacer layers comprises light-setting organic materials and thermoplastic organic materials. A st...  
JP2004528670A
A pulse lamp system has two or more lamps for providing pulses with common electronics to perform processing such as curing coatings, curing adhesives, tilt management, and optical disk initialization.  
JP3556932B2
A method of manufacturing an optical recording substrate, comprising the steps of: contacting the surface having pit or land/grooves of a stamper having the pit or land/grooves to an organic polymer sheet having a glass transition temper...  
JP2004523058A
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 ...  
JP3502436B2
PURPOSE: To enable easily adjustment of deviation of a movable side plate at the time of mold break which is ascribable to strength of kinetic frictional force. CONSTITUTION: A movable side plate adjusting mechanism 30 is provided betwee...  

Matches 151 - 200 out of 1,205