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High-density and long-life data storage disk and preparation method thereof

A data storage and long-life technology, applied in the field of optical information storage, can solve the problems of high price of nano-gold, poor application prospects, and inability to borrow traditional techniques, and achieve stable thermodynamic performance

Inactive Publication Date: 2015-06-10
WUHAN UNIV OF TECH
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  • Abstract
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  • Claims
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Problems solved by technology

[0005] However, the laser five-dimensional storage technology uses nano-gold as the data recording point. Nano-gold is expensive. If the service life of the storage medium is not long, its application prospects are not optimistic. The development of long-life data storage discs is the promotion of this technology. Base
The preparation of pure inorganic material discs is the development direction of long-life discs, such as ceramic or glass discs, but ceramics or glass often require high temperature sintering, and gold nanorods cannot withstand such high temperatures, and traditional processes cannot be borrowed

Method used

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  • High-density and long-life data storage disk and preparation method thereof
  • High-density and long-life data storage disk and preparation method thereof
  • High-density and long-life data storage disk and preparation method thereof

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Embodiment Construction

[0033] First of all, it is necessary to point out that this embodiment is only used to further describe the present invention in detail, and should not be construed as limiting the protection scope of the present invention.

[0034] A method for preparing a high-density long-life data storage disc, which comprises the following steps:

[0035] 1) Preparation of AuNRs (gold nanorods) aqueous solution

[0036] Take 7.5ml of CTAB solution (hexadecyltrimethylammonium bromide solution) with a concentration of 0.1mol / L, add 0.25ml of HAuCl with a concentration of 0.01mol / L 4 solution (tetrachloroauric acid solution), mix well and add 0.6ml of NaBH with a concentration of 0.01 mol / L 4 solution, vigorously stirred evenly and left to stand for 2 hours to obtain a seed solution;

[0037] Take 4.75ml of CTAB solution with a concentration of 0.1mol / L, add 0.03ml of AgNO with a concentration of 0.01mol / L 3 solution, mix well and add 0.2ml of HAuCl with a concentration of 0.01mol / L 4 So...

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Abstract

The invention belongs to the technical field of optical information storage. A high-density and long-life data storage disk is characterized in that the surface of a glass substrate is covered with a thin film made from hybrid materials or the internal surface of a flat-bottom container is covered with a plate sample made from the hybrid materials; and high-density gold nanorods are dispersed in the hybrid materials. The data storage disk prepared by the method is stable in thermodynamic property and capable of storing recorded data for a long time.

Description

technical field [0001] The invention relates to a data storage optical disc with ultra-long lifespan composed of a hybrid material and a metal material, in particular to a data storage in which a noble metal nanostructure is directly dispersed in a composite material formed by hybridization of an inorganic material and an organic material The optical disc and its preparation method, as well as its application in high-density optical storage, belong to the technical field of optical information storage. Background technique [0002] With the popularization of computer technology and the rapid development of the Internet, all kinds of information are increasing explosively, and people's daily life also largely depends on information. After digitization of information, data storage with higher storage density, larger storage capacity, faster access speed, longer life, and lower cost is required. For storage technology, the most critical thing is the storage medium and the way ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B7/26G11B7/251
CPCG11B7/2531G11B7/26
Inventor 夏志林陈诚张茜
Owner WUHAN UNIV OF TECH
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