Matches 1 - 39 out of 39


Match Document Document Title
US20070070870 Servo pattern having reduced noise due to speed variations in linear data storage media  
A set of servo patterns on two or more servo tracks, at least one of which is adjacent to a data track, is described. One or more servo patterns in the set are inverted copies of one or more...
US20080151740 Method for Data Storage Protection and Encryption  
A method for encrypting and/or hiding data to a storage device is given. The method is based on any of the following algorithms: 1. Formatting any storage uniquely while storing the information...
US20050237909 Rewritable optical medium, apparatus for reading and/or for writing it and process for manufacturing a rewritable disc.  
In this optical medium (1), a pre-groove track (5) which generates a tracking signal called PP signal, is embedded between layers (40 and 41) of material. This PP signal varies considerably...
US20050190686 Recordable optical disc and method for manufacturing a mother disc thereof  
A recordable optical disc and a method for manufacturing a mother disc thereof are proposed. The recordable optical disc comprises a substrate with a spiral groove wobbled in a fixed period. The...
US20100091628 MULTILAYER-OPTICAL-DISC DATA-ERASURE METHOD AND OPTICAL DISC APPARATUS  
In response to the trend toward the increase in the number of data layers of optical discs, the invention provides a data erasure method and its optical disc apparatus that enable faster data...
US20070008870 Customizable electronic presentation medium  
An information recording and playback medium that is compatible with DVD AND/OR CD formats that has both read-only regions and also readable, writable and rewritable regions, and a method for...
US20070280095 OPTICAL DISC, INFORMATION RECORDING METHOD, INFORMATION REPRODUCING METHOD, AND DISC DRIVE  
According to one embodiment, a write-once optical disc which uses a short-wavelength laser allows BCA information recording even using a long-wavelength laser. To this end, a groove is cut in...
US20050169159 Optical disk, recording and reproducing apparatus for the same, and method for managing address information  
An optical disk includes a substrate which is formed with a plurality of grooves, and a recording layer which is provided on the substrate and which is formed of a phase-change material containing...
US20070291625 Magneto-optical storage medium  
The present invention relates to a storage medium (10) comprising an information layer (11) including transparent and non-transparent areas in which the information is stored, and a magnetizable...
US20050094546 Optical recording medium and information-recording method  
The present invention relates to an optical recording medium including a recording layer in which major information and sub-information are recorded, wherein the sub-information is recorded with...
US20080205236 OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION REPRODUCING METHOD  
A disc structure for making an inverted optical response through a super-resolution process using a recorded mark portion and a space portion, which is realized to amplify a signal amplitude and...
US20050128917 Optical disk, optical disk apparatus, optical disk recording and reproduction method, and apparatus and method for recording BCA code  
A disk has a burst cutting area (BCA) formed by a crystalline portion and an amorphous portion, and the disk is an optical disk (L-H medium) in which the reflectance of the crystalline portion is...
US20050122887 Optical information recording medium and method of recording bar code-like marks  
A reproduction type information recording medium is provided with a plurality of information recording layers including one information recording layer having bar code-like marks subjected to...
US20070140094 OPTICAL DISK AND OPTICAL DISK REPRODUCING DEVICE  
An optical disk primarily includes a recording layer and a viscosity-variable material layer. When a laser beam is irradiated to reproduce a record written on the recording layer, part of the...
US20050207322 Phase change optical disk  
A phase change optical disk includes a substrate, a first dielectric layer, a second dielectric layer, a third dielectric layer, a recording layer, a fourth dielectric layer and a reflecting...
US20050135228 Film structure of a rewritable compact disc  
The present invention discloses a film structure of a rewritable compact disc including a transparent substrate on which sequentially laminated a phase-change recording layer, a dielectric layer...
US20050157630 Phase change optical recording medium  
A phase change optical recording medium. A recording layer is formed on a substrate having a plurality of non-metal particles disposed therein uniformly. Consequently, phase change can occur not...
US20070230321 Optical disk and optical disk device  
According to one embodiment, there is provided an optical disk including a substrate layer having a refractive index of 1.50 to 1.70 and a thickness X (μm) equal to or greater than f (n)−13 μm, a...
US20050227176 Rewritable optical storage medium and use of such medium  
A description is given of a rewritable optical storage medium (10) comprising a substrate (1), a first dielectric layer (2), a phase-change recording layer (3) on the basis of Ge—Sb—Te, a second...
US20050074694 Information recording medium and medium for manufacturing the same  
An information recording medium includes a substrate and an information layer formed on the substrate. The information layer includes a recording layer whose phase can be changed between a...
US20050078594 Method of recording information, equipment thereof and information recording medium  
Because conditions for recording identification data of a medium vary in accordance with the structure of different media, such as a single-layer or a multiple-layer structure, stable data...
US20100214900 METHOD FOR DELETING DATA OF OPTICAL DISK AND OPTICAL DISK DRIVE INCLUDING OPTICAL DISK EMULATION  
Provided are a method and a device for permanently erasing data of an optical disk in an optical disk drive including an optical disk emulation. According to the method, an erase command of data...
US20070081445 Optical recording medium, multi-layered optical recording medium, and optical recording method and recording apparatus using the same  
The present invention relates to an recording method for a multi-layered optical recording medium including M phase change recording layers, with M≧2. The method comprises recording a mark in a...
US20050243706 Rewritable optical data storage medium and use of such a medium  
A rewritable optical data storage medium (20) for high-speed recording by means of a focused radiation beam (10) is described. The medium (20) comprises a substrate (1) carrying a stack (2) of...
US20080205218 Optical disc drive and method for processing recorded data  
This invention provides a technique which ensures that if a recording error occurs in an optical disc, recorded data will be immediately erased from the disc without leaking to third parties....
US20070280094 OPTICAL RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND INFORMATION REPRODUCING METHOD  
According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording characteristics can be obtained. To this...
US20050082162 Information recording medium, method of manufacturing the same, and sputtering target  
When manufacturing a write-once recording medium which contains an oxide having a lower oxygen content as a main component, if film formation of a recording layer is performed by introducing a...
US20070237062 Phase-Change Type Optical Recording Medium and Reproduction Method and Apparatus for Such a Recording Medium  
A dual-layer structure phase-change type optical recording medium includes a substrate (1), a reflective layer (2), a first protective layer (3), a first recording layer (4), a second protective...
US20050052983 Method and apparatus for electro-optical disk memory  
Methods and apparatus are described for a rewritable disk memory using an electro-optical molecular recording layer. In the manner of nanotechnology, each molecule is an individual multi-position...
US20100142342 INFORMATION STORAGE MEDIUM, AND RECORDING/REPRODUCING APPARATUS AND RECORDING/REPRODUCING METHOD  
An information storage medium and a recording/reproducing apparatus and method are provided with the ability to extend at least one middle area of an information storage medium comprising two or...
US20100118679 MULTI-LAYER OPTICAL DISCS  
An optical record carrier (30) comprising a plurality of information layers formed above a first surface of a substrate wherein at least one of the information layers is a re-writable cache layer...
US20080219138 Control Device, Control Method, Recording Device and Recording Method  
The control device (610) controls the recording of data onto an information recording medium where the number of re-writing data onto the same area is limited. The control device (610) determines...
US20070263525 OPTICAL DATA RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME  
A method is provided for manufacturing an optical data recording medium including a plurality of data recording layers each having a user data recording region and a BCA formation region...
US20060292493 Optical recording medium, and recording and reproducing method and optical recording and reproducing apparatus of optical recording medium  
The present invention is aimed at providing a dual-layer phase-change optical recording medium which allows a high-density recording and a recording, where the optical recording medium has a high...
US20060251992 Smooth heat sink or reflector layer for optical record carrier  
The present invention relates to an optical record carrier with layer stack comprising a reflector or heat sink layer, a recording layer, and at least one ruthenium (Ru) interlayer arranged...
US20050195729 Optical recording medium, method and apparatus for optical recording and reproducing using the same  
The object of the present invention is to provide an optical recording medium which can respond to high-density and high recording linear velocity with recording linear velocity at 1.0× to 16× or...
US20050180308 Optical recording medium and method of recording an image  
The present invention provides an optical recording medium, comprising a substrate; a recording layer formed on or above the substrate, which is capable of recording and reproducing information by...
US20130128710 OPTICAL INFORMATION RECORDING MEDIUM  
Optical information recording medium comprises: a plurality of recording layers 14, each of which undergoes a change in refractive index by irradiation with recording beam; and an intermediate...
US20100309773 INFORMATION RECORDING MEDIUM AND RECORDING/REPRODUCING DEVICE  
An information recording medium according to the present invention includes a track on which a data sequence including a plurality of recording marks and a plurality of spaces provided between the...

Matches 1 - 39 out of 39