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1. WO2020061617 - OPTICAL DATA STORAGE MATERIAL AND METHOD

Publication Number WO/2020/061617
Publication Date 02.04.2020
International Application No. PCT/AU2019/050990
International Filing Date 13.09.2019
IPC
G11B 7/242 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 
241Record carriers characterised by the selection of the material
242of recording layers
B82Y 10/00 2011.01
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
C01B 32/198 2017.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
32Carbon; Compounds thereof
15Nanosized carbon materials
182Graphene
198Graphene oxide
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 30/00
BPERFORMING OPERATIONS; TRANSPORTING
82NANOTECHNOLOGY
YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
30Nanotechnology for materials or surface science, e.g. nanocomposites
C01B 2204/22
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
2204Structure or properties of graphene
20Graphene characterized by its properties
22Electronic properties
C01B 32/198
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
32Carbon; Compounds thereof
15Nano-sized carbon materials
182Graphene
198Graphene oxide
C01B 33/193
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
33Silicon; Compounds thereof
113Silicon oxides; Hydrates thereof
12Silica; Hydrates thereof, e.g. lepidoic silicic acid
18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
187by acidic treatment of silicates
193of aqueous solutions of silicates
C01P 2004/04
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
2004Particle morphology
01depicted by an image
04obtained by TEM, STEM, STM or AFM
Applicants
  • ROYAL MELBOURNE INSTITUTE OF TECHNOLOGY [AU]/[AU]
Inventors
  • LAMON, Simone
  • ZHANG, Qiming
  • GU, Min
Agents
  • DAVIES COLLISON CAVE PTY LTD
Priority Data
201890363026.09.2018AU
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) OPTICAL DATA STORAGE MATERIAL AND METHOD
(FR) MATÉRIAU DE STOCKAGE DE DONNÉES OPTIQUES ET PROCÉDÉ
Abstract
(EN)
An optical data storage material comprising graphene oxide (GO) configured to be photo-chemically reduced on selected areas for optical data storage, nanoparticles configured to photo-chemically reduce the GO on the selected areas by optical upconversion emission, and a support material that (i) embeds the GO and the nanoparticles and (ii) comprises a thermal conductor in thermal contact with the GO to mitigate photo-thermal reduction of the selected areas.
(FR)
L'invention concerne un matériau de stockage de données optiques comprenant de l'oxyde de graphène (GO) conçu pour être réduit photochimiquement sur des zones sélectionnées pour le stockage de données optiques, des nanoparticules conçues pour réduire photochimiquement le GO sur les zones sélectionnées par émission de conversion-élévation optique, et un matériau de support qui (i) incorpore le GO et les nanoparticules et (ii) comprend un conducteur thermique en contact thermique avec le GO afin d'atténuer la réduction photo-thermique des zones sélectionnées.
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