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Fabrication of digital media using ion beam technology and digital media created using ion beam technology

A technology of ion beams and media, applied in optical recording/reproduction, optical recording/reproduction/erasing methods, data recording, etc., can solve the problem of signal jitter generated by circular edges

Inactive Publication Date: 2009-05-13
查理·马歇尔
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0029] Another problem that comes with recordable optical media is that the writing laser creates fuel spots with rounded edges which, as mentioned above, can cause signal jitter

Method used

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  • Fabrication of digital media using ion beam technology and digital media created using ion beam technology
  • Fabrication of digital media using ion beam technology and digital media created using ion beam technology
  • Fabrication of digital media using ion beam technology and digital media created using ion beam technology

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Embodiment Construction

[0059] The following description is of the best presently contemplated mode of carrying out the invention. The purpose of this description is to illustrate the general principle of the present invention, but not to limit the scope of the claimed concepts of the present invention.

[0060] like Figure 5 Shown is a system 500 for writing data to an optical media according to one embodiment, the system 500 includes a media receiving portion 502 for housing a target optical media 504, an ion source 506, such as an ion gun, for The ion beam 508 is emitted onto the optical medium 504 in a controllable manner, such as in concentric circles, in a straight line, and the like. A controller 512 controls the operation of various parts of the system. Ion beam 508 is caused to impinge optical media 504 intermittently, thereby creating surface features on optical media 504 . In particular, the ion beam 508 may displace or flatten the material it strikes, thereby creating craters. This p...

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Abstract

A method for writing data to an optical medium includes directing intermittent pulses of a beam of ions from an ion source onto an optical medium in a controlled pattern for creating surface features on the optical medium, the surface features representing data. A system for performing this method, according to one embodiment, includes a medium receiving portion for holding an optical medium, an ion source for emitting a beam of ions at the optical medium on the medium receiving portion, and a steering mechanism for directing the ion beam onto the optical medium in a controlled manner. The beam of ions strikes the optical medium in intermittent pulses for creating surface features on the optical medium, the surface features representing data.

Description

technical field [0001] The present invention relates to digital media, and more particularly, to a method of making digital media using ion beam technology and the digital media formed by the method. Background technique [0002] Optical media now includes compact discs (CDs), digital video discs (DVDs), laser discs, and specialty products. Optical media has achieved great success as a medium for storing music, video and data due to its durability, longevity and low cost. [0003] A CD typically includes a back layer of clear polycarbonate plastic. During production, the polycarbonate is injection-molded using a master disc with a certain pattern of protrusions (or pits), so as to form fine protrusions arranged in a single, continuous, spiral track on the polycarbonate. A thin layer of reflective aluminum was then sputtered onto the disc to cover the bumps. Next, a thin layer of acrylic is sprayed on top of the aluminum layer to protect it. Finally the label is printed o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B19/02
CPCG11B7/00455G11B7/24088G11B11/03
Inventor 查理·马歇尔
Owner 查理·马歇尔
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