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7384678 Optical recording medium and process for producing the same, sputtering target, using process of optical recording medium, and optical recording apparatus  
To provide an optical recording medium and the like that is adapted to higher density and higher speed recording of 8 times or more than that of DVD (about 28 m/sec or more) and that exhibits...
7384677 Metal alloys for the reflective or semi-reflective layer of an optical storage medium  
A silver-based alloy thin film is provided for the highly reflective or the semi-reflective layer of optical discs. Alloy additions to silver include magnesium, gold, rhodium, ruthenium, osmium,...
7371448 Phase-change recording media based on the Ga-Sb-Te system for ultra-high density optical recording  
This invention discloses a novel rewritable phase-change recording medium for optical data storage, which is based on the GaSbTe ternary alloy system. The designed compositions reside on the Sb 7...
7368223 Multi-stack optical data storage medium and use of such a medium  
A multi-stack optical data storage medium for rewritable recording by a focused laser-light beam, the medium having a substrate with deposited on aside thereof: a first recording stack...
7368222 Optical data storage media with enhanced contrast  
Disclosed is an optical data storage medium with enhanced contrast. The optical data storage medium includes a substrate having oppositely facing first and second surfaces. A first metal/alloy...
7358031 Optical information recording medium, optical information recording device and manufacturing method of optical information medium  
A multilayer optical information recording medium includes optical information recording layers, and dielectric multilayer reflecting layers provided under the optical information recording layers...
7357969 Phase-change optical recording medium  
A phase-change optical recording medium has a first information layer including a phase-change optical recording film arranged in a position close to the light incident side, a second information...
7352680 Optical recording medium having relation between reflection layer and pit length  
An optical information recording medium including a substrate, a light absorbing layer which is located overlying the substrate and in which marks are formed to store information and a light...
7351516 Optical information recording medium  
An optical information recording medium, especially a CD-RW medium, that can undergo direct overwriting at high speed is disclosed. The optical information recording medium includes a transparent...
7335459 Phase-change optical recording medium  
A phase-change optical recording medium includes a phase-change optical recording film that permits reversible phase change between a crystalline phase and an amorphous phase upon irradiation with...
7327666 Optical recording medium and method of manufacturing same  
An optical recording medium has a plurality of laminated information recording layers. The average reflectivity within a stipulated range in the unrecorded regions of at least one of the...
7279211 Sputtering target containing zinc sulfide as major component, optical recording medium on which phase change optical disk protective film containing zinc sulfide as major component is formed by using the target, and method for manufacturing the sputtering target  
Provided is a sputtering target and an optical recording medium having formed thereon a phase change optical disc protective film having zinc sulfide as its principal component employing such a...
7255906 Information recording medium and method for producing the same  
In an information recording medium of the present invention, a recording layer and first and second dielectric layers are formed on a surface of a substrate. In the recording layer, at least one of...
7245577 Optical information recording apparatus and optical information recording medium  
An optical information recording medium includes a recording layer for recording optical information, a plurality of laminated layers, and a substrate for supporting those layers, while a beam of a...
7241549 Information recording medium  
An optical recording medium configured with a light reflection layer; a first protection layer; a recording layer containing a phase-change material which changes between crystalline and amorphous...
7232598 Super resolution optical disc  
Disclosed is a super resolution optical disc. The super resolution optical disc comprises at least two mask layers. In one embodiment, the super resolution optical mask comprises a plurality of...
7172797 Optical information medium and a method of manufacturing the medium  
An optical information medium ( 20 ) for recording, such as DVR-blue, and a method for manufacturing such a medium ( 20 ) is provided. Reading from and recording onto the medium ( 20 ) is performed...
7169455 Optical information recording medium and method for manufacturing the same  
An optical information recording medium on which information can be recorded and reproduced by using a laser beam is provided. The medium includes a substrate with a guide groove and a multilayered...
7166415 Phase-change recording material used for information recording medium and information recording medium employing it  
A phase-change recording material used for an information recording medium utilizing a crystalline state as a non-recorded state and an amorphous state as a recorded state, which has the...
7166409 Multipass multiphoton absorption method and apparatus  
A method of increasing the efficiency of a multiphoton absorption process and apparatus. The method includes: providing a photoreactive composition; providing a source of sufficient light for...
7132147 Phase-change optical recording medium  
A phase-change optical recording medium has a phase-change recording film to which recording and erasure can be reversibly performed by irradiation with light, and at least one dielectric film...
7132146 Optical recording medium  
The invention provides an optical recording disk, with which the worsening of jitter can be prevented effectively even when fingerprints become adhered onto a laser light incidence surface. An...
7105217 Phase-change recording material and information recording medium  
A phase-change recording material on which high velocity recording/erasing is possible, which provides excellent recording signal characteristics, which provides a high storage stability of the...
7090909 Hard coat agent composition and optical information medium using the same  
The present invention provides a hard coat agent composition that is useful for forming a hard coat layer with excellent anti-staining properties and lubricity, as well as superior scratch...
7081328 Optical disk having super-resolution film  
An optical disk from which recorded data are read out by means of light irradiation has a substrate having recording pits as data on a surface thereof, and stacked films formed on the substrate....
7081289 Phase-change recording material and information recording medium  
A phase-change recording material on which high speed recording/erasing is possible, which has excellent recording characteristics, which has a high storage stability of recording signals and which...
7074472 Hard coat agent composition and optical information medium using the same  
The present invention provides a hard coat agent composition that is useful for forming a hard coat layer with excellent anti-staining properties and lubricity, as well as superior scratch...
7067183 Write once recording medium  
A write once recording medium comprising an inorganic material serving as a recording layer is disclosed. The inorganic material has a formula, A (1−y) M y , wherein A is comprised of Si or Sn; M...
7065035 Optical multilayer disk, multiwavelength light source, and optical system using them  
When a wavelength of a first laser beam with which a first recording medium including a first recording layer is recorded and reproduced is indicated as λ1 (nm), a wavelength of a second laser...
7063876 Information recording medium and method for manufacturing the same  
A multilayer information recording medium has both good reproducing performance and good recording and rewriting capabilities, as well as good repeated rewriting capabilities even after being...
7063875 Optical recording medium  
An optical disc having a transition linear velocity of 8-11 m/s when irradiating continuous light with 11±1 mW and a wavelength of 660±10 nm using a pickup head with a numerical aperture (NA) of...
7060338 Phase-change optical recording medium  
A phase-change optical recording medium capable of performing recording and reproduction at a high speed is provided, in which a reproduced signal output is not only sufficiently large but the...
7052757 Capping layer for enhanced performance media  
A media storage device and method for fabricating said device is provided. The device comprises a data layer capable of storing and erasing data via application of an energy beam, such as a near...
7048983 Phase-change optical information recording medium and information recording and reading method using the recording medium  
A phase-change optical information recording medium in which information can be recorded, erased, and read includes a substrate and a recording layer overlying the substrate. The recording layer...
7041430 Information recording media, manufacturing technique and information recording method  
Problem to be solved is that when an information recording medium is repeatedly subjected to recording of information several hundreds times, the atoms in a protective layer are diffused and...
7033659 Optical information recording medium and method of recording and reproducing information on and from optical information recording medium  
A write-once optical information recording medium is provided that is capable of realizing a high transfer rate and a method of recording and reproducing information on and from the optical...
7027386 Read-only optical recording medium with ZnO near-field optical interaction layer  
This invention relates to a read-only near-field optical disk using a zinc-oxide (ZnO) nano-structured thin film as the localized near-field optical interaction layer. This read-only near-field...
7018698 Optical information recording medium  
To obtain an optical information recording medium which is highly sensitive and excellent in durability against repeated recording and which is excellent in storage stability. An optical...
7018697 Optical recording medium  
An optical recording medium including a substrate and a light transmitting layer provided on the substrate so as to have a smaller thickness than that of the substrate, which is hardly warped and...
7018694 Optical recording medium, method for manufacturing the same and target used for sputtering process  
An optical recording medium includes a recording layer containing an alloy represented by a general formula: (Ti x M 1 x ) y M 2 y , where element M 1 is Si or Al, element M 2 is an element...
7014904 Optical information recording medium and method for manufacturing the medium  
An optical information recording medium of the invention has at least two information layers. A first information layer ( 100 ) disposed at the front side (viewed from a laser incident side)...
7014903 Optical recording medium  
An optical recording medium includes a support substrate, a light transmission layer whose one surface constitutes a light incidence plane through which a laser beam is projected, an information...
7011876 Optical recording medium  
There is provided an optical recording medium capable of preventing cross erase and increasing its recording density. The optical recording medium includes: a reflecting film; a first transparent...
7009930 Optical information recording medium, method of recording and reproducing, and optical recording and reproducing system  
At least one information layer including a recording layer contains a material that can exhibit a transition between two optically different states in response to irradiation with a laser beam as a...
7005172 Optical information recording medium and method for producing the same  
An optical information recording medium comprising a substrate, recording layer and reflecting layer, characterized in that a layer containing a mixture of carbide and oxide is disposed over a...
7001655 Optical recording medium  
An optical recording medium simultaneously having higher recording characteristics and storage stability than ever, is obtained. An optical recording medium comprising at least a phase change...
6998162 Optical recording medium with phase transition layer and method of manufacturing the optical recording medium  
An optical recording medium having a phase transition material film and a method of manufacturing the optical recording medium are provided. In the method, first, a phase transition material film,...
6991889 Limited play data storage media and method for limiting access to data thereon  
The present disclosure relates to a limited play optical storage media and a method for limiting access to data thereon. This storage media comprises: an optically transparent substrate; a...
6984433 Optical recording medium and method of producing the same  
An optical recording medium 10 comprises a disc body 11, a white ink layer 12 provided on the label side 11 b of the disc body 11, and an ink receiving layer 13 provided on the surface ...
6982111 Optical recording medium and recording method for optical recording medium  
To obtain an optical recording medium capable of recording at various recording transfer rates from a low speed to a high speed, by using a simple recording strategy. A recording layer 18 of a...
Matches 1 - 50 out of 315 1 2 3 4 5 6 7 >