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7602676 |
Method for recording a lead-out on an optical disc
A device for recording information writes marks in a track on a record carrier of a writable type. The device records the information according to a predefined recording format like DVD for...
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7599278 |
Recording medium comprising ferroelectric layer, nonvolatile memory device comprising recording medium, and methods of writing and reading data for the memory device
A recording medium including a ferroelectric layer, a nonvolatile memory device including the recording medium and methods of wiring and reading data in the memory device. The recording medium...
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7599275 |
Optical discs for measuring analytes
This invention directs to an optical disc assembly configured to receive an analyte which can be detected by a standard optical disc reader or an optical disc reader modified therefrom. The optical...
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7596072 |
Optical recording using a waveguide structure and a phase change medium
An apparatus comprises a slider having an air bearing surface, a first waveguide for directing electromagnetic radiation to a focal point adjacent to the air bearing surface, a storage medium...
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7564766 |
Laser drive device, laser light emitting device and laser driving method
A laser drive device, a laser light emitting device and a laser driving method capable of preventing deterioration or failure of a laser element due to returned lights by defining a control...
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7558187 |
Apparatus and method of initializing phase-change optical disk
Provided is an apparatus and method of initializing a recording layer used in manufacturing a phase-change optical disk for storing information. The optical disk is initialized using a UV lamp in...
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7558185 |
Storage device having flexible architecture and free scalability
A storage device according to the invention has flexible architecture and free scalability. It includes an address input and a data input. It also includes an address and data evaluation unit,...
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7551537 |
Method and apparatus for making master optical disk
An optical recording medium master disc exposure apparatus comprises a modulating means 3 for modulating intensity of light from an exposure light source 1 in response to recording information...
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7545722 |
Method and apparatus for optically reading information attached to a target
In an apparatus for optically reading out through an imaging optics a first image of information by a photodetector. The information is attached to a target. In the apparatus, a marker beam...
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7539119 |
Data storage apparatus using current switching in metal oxide layer
Provided is a data storage apparatus using current switching in a metal oxide layer. The data storage apparatus includes a substrate; a lower electrode layer disposed on the substrate; a metal...
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7539115 |
Creating a permanent structure with high spatial resolution
In a method of creating a permanent structure with high spatial resolution, a substance which may be modified by an optical signal is provided in a writing area. The optical signal is applied to...
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7518086 |
Method and device for adjusting wavelength distribution pattern in laser
A plurality of configurations is simultaneously formed in a material by a single laser beam having a desired distribution pattern of wavelengths. An input laser beam has an initial wavelength...
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7515520 |
Recording apparatus and liquid ejecting apparatus
A recording apparatus including a recording unit that performs recording on a recording medium; a transporting unit capable of transporting the recording medium; a first guide member and a second...
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7480226 |
Optical disc recording/reproducing apparatus and optimum bias power decision method therefor
An optical disc recording/reproducing apparatus and optimum bias power decision method thereof, having an optical pickup, a driving unit which drives a laser diode provided in the optical pickup to...
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7477709 |
Device and method for data reproduction
A device and method of data reproduction that can achieve a reference level optimizing the characteristic of a channel and can be applied to the reproduction of data on an optical disk are...
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7474602 |
Data storage device comprising write head with carbon element
A data storage device is introduced. The data storage device comprises a write head. The write head comprises a heating element and a tip. The write head scans a data storage medium, wherein in an...
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7444047 |
Multiplexing optical system
A multiplexing optical system includes collimator lenses, a first condensing lens, a second condensing lens and an optical fiber. The collimator lenses collimate divergent laser beams that have...
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7441163 |
Method of recording/reproducing digital data and apparatus for same
A digital data recording/reproducing method includes the steps of: interleaving data on a PI code for each PI code of a 208-row ECC block; and converting a short burst error into random errors by...
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7438547 |
Optical recording medium and master disc for manufacturing optical recording medium
An optical recording medium allowing high-density recording, where a groove having a shallow U-shaped cross section wider than certain width, a master for manufacturing optical recording medium, a...
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7411890 |
Systems and methods for recording optical information
A system controlling recording on an optical disc is provided. A first counter performs a bit count according to provided channel bit clock signals. A second counter performs a sector count...
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7406018 |
Signal generating circuit and optical pickup device provided therewith
A signal generating circuit of the invention includes a current polarity switch circuit that receives an output current of a light-sensitive element and outputs a current of which the direction the...
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7403463 |
Method and apparatus for filtering read signal to three or more cutoff frequencies with two or more bits control line throughout three or more consecutive periods
An optical disk drive apparatus is provided has a reading section which reads the reflection of a laser beam from a disk to produce a read signal, a filter section which filters the read signal...
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7391708 |
Optical disc and method for reproducing the same
The present invention provides a technique for improving reliability of reading header information. The optical disk is composed of a recording track. The recording track includes a data recording...
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7388825 |
Optical data storage and retrieval systems utilizing dual energy sources
An optical data storage and retrieval system that includes a phase change storage medium and dual energy sources. The phase change material may store information by undergoing a transformation from...
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7376067 |
Allocation of real time files
When recording data on a medium where a certain data rate is required, an allocation manager in the player must allocate sections of the logical space in such a way that the recording medium is...
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7362686 |
Film measurement using reflectance computation
A method of determining actual properties of layered media. An incident beam of light is directed towards the layered media, such that the incident beam of light is reflected from the layered media...
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7292521 |
Optical data storage and systems utilizing plasmon lenses
A light-plasmon coupling lens including an optically transparent substrate having a light incident surface and a light-plasmon coupling surface opposite the light incident surface. The...
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7283148 |
Optically marking the label side of an optical disc
A method for labeling an optically writable label side of an optical disc of an embodiment of the invention rotates the optical disc such that an optical marking mechanism passes adjacent to a...
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7269118 |
Method and apparatus for retrieving information from a 3D storage medium
A method and apparatus for retrieving information from a three dimensional storage medium uses a three dimensional storage medium having an active medium capable of exhibiting first and second...
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7263053 |
Information recording method and information recording apparatus
An information recording method and information recording apparatus is capable of resolving the trade-off relation between recording density and transmittance, wherein either the reproduction...
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7254108 |
Storage device including a probe having an electrically conductive tip portion for electrical contact with a storage medium
A storage device includes a probe having a tip, the tip comprising a first portion and a second portion. The storage device also includes a storage medium having a surface, where the tip of the...
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7223505 |
Method for forming micropatterns
A method for forming micropatterns includes forming a thin film consisting of a single layer or of plural layers on a substrate, irradiating an energy beam to the thin film to elevate the...
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7221627 |
Optical device for reading information
An optical playback or recording device is equipped with mass-unbalance detection means ( 20 ) for detecting unbalance on the record carrier ( 2 ). Mass-unbalance causes vibration and sound in the...
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7218600 |
Dielectric constant measuring apparatus, dielectric constant measuring method, and information recording/reproducing apparatus
A dielectric constant measuring apparatus for measuring a dielectric constant of a dielectric substance is provided with: a cantilever having a small projection on a tip side of a cantilevered...
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7218596 |
Apparatus and method for optical data storage and retrieval
An optical storage device and method of operating that device are disclosed. The device includes an optical storage medium, and a light source capable of generating light that is transmitted to the...
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7215476 |
Optical pickup, optical information recording/reproducing apparatus using the same, and phase variable wave plate used in the pickup and the apparatus
Laser beams respectively emitted from a SHG blue laser unit and a red semiconductor laser unit that have photo detectors respectively are turned into parallel lights by a collimator lens and then...
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7209430 |
Data storage device
The present disclosure relates to a data storage device. The data storage device comprises a closed interior space containing a noble gas, a plurality of electron emitters having emission surfaces...
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7203152 |
Multi-stack rolled-up information carrier
The invention relates to an information carrier for scanning information by means of an optical beam having a wave-length. The information carrier comprises a central hole ( 11 ) and at least two...
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7203151 |
Spatially-spectrally swept optical memories and addressing methods
An optical data storage system directs a reference beam and a data beam to a storage material having an inhomogeneous linewidth. The data beam is modulated to contain data to be stored in the...
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7190655 |
Disk recording medium, disk manufacturing method, and disk drive apparatus
A disk recording medium which can implement a recording method having a high degree of reliability for additional information is disclosed. The disk recording medium has a recording and...
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7190649 |
Bit-wise optical data storage utilizing aluminum oxide single crystal medium
The present invention provides methods and apparatuses for writing information to, reading information from, and erasing information on a luminescent data storage medium comprising Al 2 O 3 . The...
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7187640 |
Method for recording on multi-layer phase-change optical discs
A method and a recording device for formatting arid recording on a multi-layer phase-change type optical disc include recording areas on first and second layers of the optical disc according to a...
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7184382 |
Energy beam irradiating apparatus
An energy beam irradiating apparatus includes a substrate holder, a moving stage, an energy beam irradiating mechanism, and a control unit. A disc-like substrate is attached to the substrate holder...
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7154836 |
Optical recording/reproducing method and optical recording medium
An optical recording/reproducing method and an optical recording medium capable of performing excellent optical recording with a simple structure in a recording layer made of environmentally...
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7149173 |
Medium for recording optically readable data, method for making same and optical system reproducing said data
The invention concerns a recording medium for optically readable data of the multilayer type, a method for making same and an optical system for reproducing said data for reading the medium. The...
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7139232 |
Writing pixels to last fractional pixel positions of tracks of optical discs
A method of one embodiment of the invention is disclosed that is for a track of an optically writable label region of an optical disc having a non-integer number of pixel positions around the...
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7136343 |
Optical recording/reproducing method and optical recording medium
An optical recording/reproducing method and an optical recording medium capable of performing excellent optical recording with a simple structure in a recording layer made of environmentally...
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7136337 |
Apparatus for recording of information
With an object of executing excellent finishing processing when information is recorded to a rewritable type record medium or a write once type record medium, the finishing processing is switched...
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7123569 |
Optical data storage medium
The invention presents systems and methods for initializing the phase-change layer of an optical medium. The methods include alternately quenching the phase-change material into amorphous states...
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7113474 |
Increased data storage in optical data storage and retrieval systems using blue lasers and/or plasmon lenses
An optical recording medium includes a crystallizing layer for enhancing the crystallization of a phase change memory layer, an energy storage layer for aiding the state transformations of a phase...
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