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Patent Searching and Data


Matches 201 - 250 out of 890

Document Document Title
JP3261107
To prevent the lowering of the characteristics of a molded product caused by the deformation thereof. An injection mold has a sprue bush 24, a fixed member, a fixed disc plate 16, the punching member arranged in opposed relation to the s...  
JP3241983
To facilitate removal of a stamper plate by generating no attracting force between a parmanent magnet of a disc cavity plate on the fixed side and a cavity ring when the cavity ring is at the second angular position and generating an att...  
JP2001266417
To perform high-quality transfer without any thermal deformation of bending in the manufacturing process of a recording medium for transferring an information signal generated on a stamper to a substrate.When the fine recessed and projec...  
JP2001260739
To effectively avoid the fouling of a process device and damage caused by collision with other object and effectively inhibit vaporization of a process solution, in a volume-reducing process vehicle capable of reducing the volume of resi...  
JP2001223506
To provide a method for efficiently manufacturing a dielectric waveguide with high reliability and accuracy.A sintered body 19 having dielectric strips 6 and 7 and wind parts 8 and 9 is obtained by forming resist material 13 with an open...  
JP3217609
PURPOSE: To produce a recording medium with a uniform recording layer by depositing an LB film of an org. material as a recording layer by the Langmuir- Blodgett's(LB) technique on a substrate, peeling the LB film and depositing it on ot...  
JP2001189034
To provide an optical recording medium having sufficient rotational performance without deformation such as a warp or a sink and capable of sufficiently meeting a trend toward the higher recording density. A substrate 2 of the optical re...  
JP3207530
PURPOSE: To prevent the formation of a protrusion on the surface of the body of a disk when the body of the disk is squeezed and a clamping plate is connected. CONSTITUTION: A groove 17 is cut in the face 1B of the body 1 of a disk to be...  
JP2001134990
To obtain an optical recording disk having good quality in which the inner peripheral edge of a hardened resin shows a beautiful concentric profile even when both of circular substrates have variance in wettability for a UV-curing resin,...  
JP3185832
PURPOSE: To provide a mold capable of taper-forming a center hole of a substrate for magneto-optical mini disks (MD-MO). CONSTITUTION: A cavity 23 of a form of a substrate 20 and a gate 83 of a ring form opened to a position correspondin...  
JP2001052384
To surely and uniformly bond substrates by placing a quartz or glass plate on a substrate disk while being dried, and cooling the plate before placed on a next substrate disk after the drying process in which heating is carried out. A bo...  
JP2001052383
To surely and uniformly bond substrates by making an inner grip and an outer grip relatively movable when a far region of one substrate is bent in a direction to separate from the other substrate. A bending apparatus 40 has an inner grip...  
JP3158394
PURPOSE: To provide a mold capable of taper-forming a center hole of a substrate for magneto-optical mini disks (MD-MO). CONSTITUTION: A cavity 23 of a form of a substrate 20 and a gate 63 of a ring form opened to a position correspondin...  
JP2001038816
To improve smoothness by heat-treating a disk substrate while it is supported in two or more places excluding the outside end part and inside end part of one main surface of it or in the whole surface excluding the outside end part and i...  
JP2000334744
To provide technique capable of molding a molded substrate having groove width finer than the min. groove width formable by exposure light same in wavelength while using this exposure light.Exposure light is applied to a positive photore...  
JP2000268417
To make a middle layer uniform in thickness and to enhance reliability in the read of an information signal from a 2nd information recording face by forming the middle layer disposed between two information recording faces with a light t...  
JP3112123
PURPOSE: To rationalize the producing process by disposing one of the moving passage of a conveying carriage having a plurality of conveying arms perpendicularly to an injection molding machine, crossing the other with a turntable axis, ...  
JP3104699
To provide technique capable of molding a molded substrate having groove width finer than the min. groove width formable by exposure light same in wavelength while using this exposure light. Exposure light is applied to a positive photor...  
JP2000218670
To prevent the lowering of the characteristics of a molded product caused by the deformation thereof. An injection mold has a sprue bush 24, a fixed member, a fixed disc plate 16, the punching member arranged in opposed relation to the s...  
JP3046895
PURPOSE: To eliminate a malfunction of supplying powder of a fed amount or more of a metering feeder to a consumer side. CONSTITUTION: A heater 7 is mounted in a sealing gas tube 8 of a lock hopper for dislodging powder from a lower hopp...  
JP3043966
PURPOSE: To speed up the production cycle and to improve the production efficiency by executing a forced cooling after formation of metallic films, then forming protective films. CONSTITUTION: Moldings of disks are obtd. integrally with ...  
JP3038098
PURPOSE: To increase the rate of a crystal growth by heating a solvent in a vessel by a radiant heat from a heater positioned at the outside of the vessel, blocking the radiant heat from the heater at the circumference of the crystal pre...  
JP3019049
To minimize the delay between a clock signal on a bus line and output data to be outputted outside. An F/F 104n is supplied with a clock signal A supplied from the bus line 101 as a clock signal B which is only distributed by a distribut...  
JP11328751
To compensate stress caused by disturbance such as centrifugal force with residual stress to suppress vibration and to enable fast rotation by joining an annular reinforcing member having a different coefft. of thermal expansion from tha...  
JP11312337
To make scratches, etc., on a disk part inconspicuous by roughening the disk part where defects of an adhesive used for sticking two sheets of disks appear. A DVD is provided with at least one roughened surface of at least one surface of...  
JP11300842
To obtain a transparent substrate for an optical disk excellent in transfer properties. The glass transition temp. of a polycarbonate resin subjected to injection molding in order to form a transparent substrate is 120-142°C and the tra...  
JP11296904
To provide an information recording medium which secures sufficient tilt margin and mechanical strength even if a record density is increased. This information recording medium contains a substrate 1 that has a record plane on which embo...  
JP11203724
To provide an optical disk which has a light transparent layer suppressing the generation of build-up parts in an outer peripheral part as much as possible and having a good surface characteristic and is so formed as to allow a further i...  
JP11185307
To prevent the intrusion of air bubbles into intermediate layers by forming these intermediate layers of plural UV curing type resin layers and executing a pressure bonding stage within a reduced pressure space. A first light transparent...  
JP11166113
To provide a polycarbonate material for an optical disk substrate having an excellent transferring property, moldability, impact resistance, transparency, productivity and a decreased warpage. A polycarbonate is blended with 200-10,000 p...  
JP11105148
To provide a disc-shaped molded object and to achieve the enhancement of the quality, yield and productivity of a product. Recessed parts 213 are provided to the peripheral surface 212 of the opening part 211 provided to the central part...  
JP11086353
To prohibit the occurrence of warpage by residual stresses at the time of forming an optical disk by forming the embossements corresponding to recording signals on the one surface of a molded disk substrate and forming dummy embossments ...  
JP11066639
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...  
JP11035692
To produce the subject material capable of avoiding the occurrence of silver streaks due to rolling in of air because the plasticizing time is short and the need for rotating of a screw at a high speed is eliminated when carrying out the...  
JP10315345
To provide a method for manufacturing an optical information recording medium disc with a low bit error rate by optimizing a step to manufacture the medium disc using a substrate of a cyclic olefin resin. A specified part of the surface ...  
JP10302201
To provide an assisting apparatus capable of easily realizing desirable centering and inherently preventing friction between an inserting plate and a side wall of a mold, by being attached to an ejection molding machine for producing a d...  
JP10275362
To provide an optical stuck disk in which film thicknesses of adhesive layers can easily uniformized and stuck disks having uniform adhesive layers can be stably provided in large quantity. When this disk is constituted so that two sheet...  
JP10261246
To produce an information recording carrier whose eccentric quantity is small with high productivity by allowing a process providing a projection on the master disk of the information recording carrier to be included in the manufacturing...  
JP10199041
To obtain a two-program information recording medium by covering the light reflection coating surfaces of one or both of first and second disks with a photosetting adhesive material in succession to the formation of these disks and stick...  
JP10199054
To reduce the disk inclination by laminating disks back to back, which are coated with a photosetting adhesive material, irradiating a second disk front surface with light for a first prescribed time, irradiating a first disk front surfa...  
JP10188356
To eliminate the need for use of adhesives over the entire part of substrates of an optical recording medium, such as DVD, formed by joining two sheets of the substrates by fixing two sheets of the substrates by a system to fit the subst...  
JP2799157
PURPOSE: To obtain a composite optical disk structural body with which the formation of clamping areas as display regions without the creation of ruggedness on their surfaces is possible and the display regions are thereby expanded. CONS...  
JP10134426
To efficiently, rapidly and safely peel a stamper and to automate stages by acting ultrasonic waves on the outer peripheral parts of the stamper formed on a master disk surface to cause initial peeling. The stamper peeling device 10 has ...  
JP2778939
To reduce the thickness fluctuation of a resin layer and, at the same time, to improve the productivity of a multilayered optical recording medium by forming a substrate unit layer by injecting molten resin between a transparent substrat...  
JP10106049
To prevent the warpage of a substrate due to contraction of a resin immediately after manufacture of a multilayered optical recording medium, the warpage, etc., of the substrate due to water absorption and dehydration of steam in the air...  
JP10087050
To provide a disk carrying mechanism which can carry disks by maintaining the evenness of the temperature distribution of the disk, and a disk dryer which can dry the disks evenly by using the above disk carrier mechanism. By rotating (R...  
JP10029724
To increase/decrease the number of stations with a simple method by composing each station of a plate interposed continuously between two side walls and the side walls and moving a transport mechanism among various stations on a guiding ...  
JP10011800
To provide an optical disk with which the sure suppression of the swelling out of an excess adhesive is possible, the suppression of the deformation accompanying the heat at the time of photosetting is possible, and the possibility of im...  
JP09320132
To easily manufacture an optical disk medium with less warping and birefringence by positioning two substrates coated with adhesive on recording surface sides oppositely to each other and applying compression force in the radial directio...  
JP09223336
To provide a spreading method for effectively spreading an adhesive on a memory disk. The memory disk having an adhesive interposed between two circular resin substrates having central holes is placed on the rotary holding table X and ar...  

Matches 201 - 250 out of 890