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8526292 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method  
Shape-wise thicknesses of a cover layer and first through (N−1)th intermediate layers of an optical recording medium having refractive indexes nr1, nr2 are converted into thicknesses t1, t2 of the...
8451708 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method  
Shape-wise thicknesses of a cover layer and first through (N−1)th intermediate layers of an optical recording medium having refractive indexes nr1, nr2 are converted into thicknesses t1, t2 of the...
8158234 Optical recording medium  
The invention is principally to provide an archival optical recording medium of high quality which has satisfactory recording/reading characteristics when used in high-speed recording and...
7968166 Optical recording system  
Systems and method for optically recording data. One system comprises a disc comprising a substrate and a markable coating on said substrate, the markable coating having a thickness less than 1 μm...
7910192 Optical recording medium  
The invention is principally to provide an archival optical recording medium of high quality which has satisfactory recording/reading characteristics when used in high-speed recording and...
7799404 Photo-curable transfer sheet, laminate, optical information recording substrate, process for the preparation thereof, and optical information recording medium  
A photo-curable transfer sheet having a photo-curable layer comprising a photo-curable composition, the photo-curable composition being deformable by application of pressure and containing a...
7781044 Organic compound for recording layer for high speed recording of information and optical recording medium including the same  
A recording layer including a novel organic compound for a high density optical recording medium is provided. The information may be recorded on the recording layer at a 2× speed or higher speed...
7758943 Organic dye for recording layer and high density optical recording medium using the same  
A recording layer including a novel dye for a high density optical recording medium, employing short wavelength laser source with a wavelength not longer than 530 nm for recording high density...
7718242 Organic dyes for recording layer and high density optical recording medium using the same  
A recording layer including a novel dye for a high density optical recording medium, employing short wavelength laser source with a wavelength not longer than 530 nm for recording high density...
7501225 Structure and method for manufacturing thereof, medium for forming structure, and optical recording medium and method for reproducing thereof  
An object of the present invention is to provide a method for manufacturing structure in which a medium for forming structure contains a stacked composition of a light absorption layer and a...
7360228 Multi-stack optical data storage medium and use of such medium  
A multi-stack optical data storage medium, for recording using a focused radiation beam having a wavelength λ and entering through an entrance face of the medium, has a first substrate having a...
7101655 Method for increasing fluorescent signal of optical disks with fluorescent reading and resultant discs  
A fluorescent composition for use with single-layer and multilayer optical discs for CD ROM, DVD and WORM type devices with fluorescent reading is disclosed. The composition comprises a...
6984434 Recordable digital video disc  
A recordable digital video disc preferably employable for information recording method using a laser beam having a wavelength of 600–700 nm, composed of a transparent disc substrate provided with...
6967050 Optical recording medium and a method of manufacturing the same  
Constructed is an optical recording medium which is so formed as to have excellent surface flatness and with respect to which information is recorded or reproduced with the use of a near-field...
6951678 Mouth guard-preparing sheet  
To provide a mouth guard-preparing sheet from which a mouth guard to be used for preventing teeth and their surrounding tissues from a trauma occurred mainly in sports and having a uniform...
6899937 Optical disc  
An optical disc includes a substrate having micro-embossments, in which flat portions referred to as lands, and track guides, referred to as hills, and which protrude from the surfaces of the flat...
6887548 Optical information recording medium  
An optical information recording medium includes a substrate having a thickness of approximately 1.0 mm to 1.2 mm, with a spiral pre-groove being formed at a predetermined area on the substrate...
6869655 Optical recording medium  
An optical recording medium in which deposition of impurities or damage to a surface of the medium illuminated by the light for signal recording and/or reproduction is to be prevented from...
6844042 Optical recording media for air-incident optical recording  
An air-incident optical recording medium for use with flying heads has a system of layers, which thermally isolate the disk surface from the active, recording layer.
6811850 Optical information medium and its fabrication process  
An optical information medium comprises a supporting substrate 20, an information recording surface 4 on the supporting substrate 20 and a light-transmitting layer 2 on the information recording...
6689445 Information recording medium and method of manufacturing the same  
An information recording medium that is excellent in repeated-rewriting performance and is deteriorated less in crystallization sensitivity with time is provided, with respect to which high...
6660867 Metal complex type squarylium compounds and optical recording media made by using the same  
An object of the present invention is to provide a material having spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for recording for DVD-R....
6641890 Cartridge-contained recording medium  
In a magneto-optical disc contained in a cartridge, a first dielectric layer, signal recording layer, second dielectric layer, and light reflecting layer are sequentially stacked on a substrate...
6639700 Hologram recording medium, hologram recording/reconstructing apparatus, and hologram recording/reconstructing method  
A hologram recording medium comprises a hologram recording layer for recording a hologram, and a wedge substrate for varying the propagating direction of a reference light and an object light...
6638594 Rewritable optical information recording medium  
A description is given of a rewritable optical information medium comprises a substrate (1), a first dielectric layer (2), a phase-change recording layer on the basis of AgaInbSbcTed or...
6541093 Optical recording medium and method for fabricating the same  
An optical recording medium and a method for fabricating the same are provided, which enable overwriting at high density. The optical recording medium including a dielectric layer, a recording...
6514591 Optical information recording medium  
An optical information recording medium comprises a substrate and a multilayered film formed on the substrate, the multilayered film comprising a first information layer, a separating layer, and a...
6449241 Optical disk  
An optical disk having an improved structure is provided so that about 15 gigabytes or more can be recorded on each information recording surface. The optical disk includes at least one...
6312781 Disc-shaped recording medium with a protective film  
The present invention provides an apparatus and method for forming a protective film on a disc-shaped recording medium including providing a turnable having a center aperture, setting the...
6287662 Optical data recording medium  
An optical data recording medium in which the shape of the dye spectrum of a dye film having a thin film thickness per unit absorbance is controlled so as to enable improvements in the recording...
6246656 Reduced thickness of a light transmissive layer for a high density optical disc  
An optical recording medium is provided which achieves a higher recording capacity. This optical recording medium includes a base formed of thermoplastic resin which has a thickness ranging from...
6228440 Perishable media information storage mechanism and method of fabrication  
A perishable media information storage mechanism, including a substrate, a data layer for recording data thereon the information storage mechanism, a reflective layer, and a protective lacquer...
6071588 Optical recording medium  
An optical recording medium has a high hardness layer, first dielectric layer, recording layer, second dielectric layer and reflective layer. The hardness of the high hardness layer is larger than...
5912061 UV-ray setting resin and a method for manufacturing a magneto-optical disk by the use of the UV-ray setting resin  
A high quality magneto-optical disk which has the protective coating being excellent in the lubricity, the property of sliding and a long-term reliability includes a UV-ray resin composition...
5851621 High-capacity storage media  
The invention relates to an optical recording medium comprising a substrate, a reflecting layer and a recording layer, which recording layer consists essentially of a dye of the formula (I),...
5753334 Optical recording medium  
An optical recording medium capable of recording reproducing and erasing information wherein a pulsating phenomenon where dielectric layer provided on the top and bottom of the recording thing...
5674583 Optical recording medium and manufacturing method thereof  
An optical tape including an optical recording layer for permitting information to be optically recorded thereon and a light-reflective magnetic layer; the light-reflective magnetic layer which...
5667862 Magneto-optical disk  
A magneto-optical disk having a four-layer structure formed of a first protective dielectric layer, a recording magnetic layer, a second protective dielectric layer and a reflective metal layer is...
5656370 Optical recording medium  
An optical recording medium for recording, reading, erasing information with beams has a layer composed of a lower thermal conductivity material and a heat sink layer of a higher thermal...
5645907 Organic optical recording medium and method for the prevention of rewrite therein  
There is provided a WORM type organic optical recording media comprising a recording layer, a reflective layer and a protective layer which are formed in sequence on a substrate, the recording...
5635268 Optical recording medium  
An optical recording medium is provided with: a first substrate of optically transparent type; a first recording layer formed on one surface of the first substrate, which includes phthalocyanine...
5604005 Magneto-optical disc  
A magneto-optical disc comprising a recording layer and a protective coating on a substrate is operated for magneto-optical recording in a magnetic field modulation mode such that the protective...
5587216 Optical recording medium  
An optical recording medium capable of recording, reproducing and erasing information wherein a pulsating phenomenon where dielectric layer provided on the top and bottom of the recording thing...
5487926 Optical disk  
An optical disk includes a pair of disk substrates and a recording layer on at least one substrate, the disk substrates being mated by bonding the substrates at their inside surfaces through an...
5455094 Optical recording medium  
An optical recording medium has a substrate having a groove, a recording film of phthalocyanine coloring matter and provided on the substrate, a light reflection film on the recording film, and a...
5344682 Optical recording medium  
An optical recording medium of a single plate type comprises a substrate having a groove, a recording layer containing a dye overlying the substrate, a reflective layer overlying the recording...
5242730 Optical recording medium  
An optical recording medium is composed of a substrate, and a recording layer formed thereon, which is made of (a) a first recording layer which contains a light-absorbing organic compound and can...
5132153 Optical recording media  
Disclosed are optical recording media, each of which is composed of a substrate and a recording layer formed on the substrate. The recording layer includes an organic-dye-containing layer and an...
5085909 Squarylium compounds and optical information recording medium using the same  
Squarylium compounds having the following formula (I), ##STR1## and an optical information recording medium comprising a substrate, and a recording layer formed on the substrate, comprising a...
5080946 Optical information recording medium and recording method  
An optical information recording medium comprising a light transmitting substrate having a spiral pregroove formed on its surface, a light absorptive layer of a coloring matter formed on the...

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