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1. WO2005098843 - NEAR FIELD OPTICAL STORAGE MASK LAYER, DISK, AND FABRICATION METHOD

Publication Number WO/2005/098843
Publication Date 20.10.2005
International Application No. PCT/US2005/010144
International Filing Date 28.03.2005
IPC
G11B 7/24 2006.01
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
7Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor
24Record carriers characterised by shape, structure or physical properties, or by the selection of the material 
CPC
B82Y 10/00
BPERFORMING OPERATIONS; TRANSPORTING
82NANOTECHNOLOGY
YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
10Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
B82Y 15/00
BPERFORMING OPERATIONS; TRANSPORTING
82NANOTECHNOLOGY
YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
15Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
B82Y 20/00
BPERFORMING OPERATIONS; TRANSPORTING
82NANOTECHNOLOGY
YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
20Nanooptics, e.g. quantum optics or photonic crystals
G11B 7/00455
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
7Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation ; by modifying optical properties or the physical structure; , reproducing using an optical beam at lower power ; by sensing optical properties; Record carriers therefor
004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
0045Recording
00455involving reflectivity, absorption or colour changes
Applicants
  • GENERAL ELECTRIC COMPANY (a New York Corporation) [US]/[US] (AllExceptUS)
  • THE BOARD OF TRUSTEES OF THE LELAND STANFORD JR. UNIVERSITY [US]/[US] (AllExceptUS)
  • SHI, Xiaolei [CN]/[US] (UsOnly)
  • HESSELINK, Lambertus [NL]/[CA] (UsOnly)
Inventors
  • SHI, Xiaolei
  • HESSELINK, Lambertus
Agents
  • WINTER, Catherine, J.
Priority Data
10/814,69730.03.2004US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) NEAR FIELD OPTICAL STORAGE MASK LAYER, DISK, AND FABRICATION METHOD
(FR) COUCHE MASQUE DE STOCKAGE OPTIQUE EN CHAMP PROCHE, DISQUE ET PROCEDE DE FABRICATION
Abstract
(EN)
A mask layer for a high-density near-field optical storage system includes nonlinear optical material and nanoparticles embedded in the nonlinear optical material. The mask layer in combination with a data layer is useful for forming an optical disk. One technique for storing data in the optical disk includes using a gate beam to modify an index of refraction in a modified portion of the nonlinear optical material using a signal beam to provide nanoparticle resonance excitation of selected nanoparticles within the modified portion of the nonlinear optical material.
(FR)
L'invention concerne une couche masque pour un système de stockage optique en champ proche, haute densité, comprenant un matériau optique non linéaire et des nanoparticules incorporées dans le matériau optique non linéaire. La couche masque combinée à une couche données est utile pour former un disque optique. Une technique de stockage de données dans le disque optique consiste à utiliser un faisceau porte pour modifier un indice de réfraction dans une partie modifiée du matériau optique non linéaire à l'aide d'un faisceau signal pour assurer l'excitation par résonance de nanoparticules sélectionnées dans la partie modifiée du matériau optique non linéaire.
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