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Making method for optical disk recording media

A manufacturing method and optical disc technology, which are applied in the fields of optical record carrier manufacture, optical record carrier, recording/reproducing by optical method, etc., and can solve problems such as inability to set recording film coating and increase of recording medium capacity, etc.

Inactive Publication Date: 2006-07-12
LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] But in order to record more information, it is necessary to change the structure of the magnetic disk, so that the capacity of the recording medium is increased. The existing technology cannot set the recording film coating above the second and third layers.

Method used

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  • Making method for optical disk recording media
  • Making method for optical disk recording media
  • Making method for optical disk recording media

Examples

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Embodiment Construction

[0049] Referring to the accompanying drawings, the embodiment of the method for making an optical disc recording medium of the present invention will be described in detail.

[0050] Figure 1a to Figure 1d It is a composition diagram showing the shape of the stamper used for recording media of the present invention; Figure 2a and Figure 2b It is a configuration diagram of a stamper forming a separation-promoting layer and a polycarbonate base plate forming a multilayer film.

[0051] In a given area within a certain radius, the present invention only uses the same recording and reading technology as before, so that the recording density can be doubled. In the present invention, a separation layer is firstly arranged on the first recording film, and then the second recording film is inserted below it, and the above steps are repeated, so that the recording density can be doubled.

[0052] First, the process of forming a substrate with a stamper and a multilayer film for maki...

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Abstract

The invention relates to a method for making CD recording media which comprises: forming slot on the press mold edge with slot shape information conveyed by laser; after forming each recording film compound layer, employing the slot on the press mold to form separating layer by press welding, and repeating the steps of forming recording film compound layer and separating layer.

Description

(1) Technical field [0001] The present invention relates to a disc recording medium manufacturing method which utilizes a circular optical disc type recording medium to repeatedly form a separation layer on a recording film and then form a recording film, thereby increasing recording density. (2) Background technology [0002] The multimedia era has comprehensively used video signals, audio signals and computer data information including dynamic images and still images. With the advent of the multimedia era, Package Video (such as various disks such as CDs and DVDs) is becoming more and more popular. It is expected that this This trend will become more and more prominent. [0003] Package Video, even if it is a compression molded disk (CD), digital video, or a versatile (Versatile) disk (DVD), most of them are composed of a recording film and a protective film on which the base plate and information are recorded. [0004] In these optical discs, a read-only (ROM: ReadOnlyMe...

Claims

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Application Information

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IPC IPC(8): G11B7/24G11B7/26G11B11/105G11B7/24006
Inventor 李光烈
Owner LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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