CN113658614A - Preparation method of novel printing-free DVD optical disk - Google Patents
Preparation method of novel printing-free DVD optical disk Download PDFInfo
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- CN113658614A CN113658614A CN202110967891.8A CN202110967891A CN113658614A CN 113658614 A CN113658614 A CN 113658614A CN 202110967891 A CN202110967891 A CN 202110967891A CN 113658614 A CN113658614 A CN 113658614A
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- disc
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
- G11B7/266—Sputtering or spin-coating layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
- G11B2007/25706—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing transition metal elements (Zn, Fe, Co, Ni, Pt)
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
The invention relates to the technical field of DVD discs, in particular to a preparation method of a novel printing-free DVD disc, which comprises the steps of preparing a mother disc A, B, placing the mother disc A on one surface of an injection mold as a part of the mold, drying PC particles, heating and melting the PC particles into liquid, injecting the liquid into a mold cavity under pressure, and filling the whole mold cavity with the liquid; placing the mother disc B in a special mould, forming pattern information pits on the special mould according to the shape requirement of the pattern, forming different pit depths at different color parts in the pattern, and performing the same injection molding process as the mother disc A; the pit shapes on the surfaces of the mother disc A and the mother disc B are respectively copied by the transparent sub disc A and the transparent sub disc B which are formed after cooling, and the sub disc is completely separated from the mother disc to obtain the transparent sub disc A and the transparent sub disc B with data information; and (3) independently processing the transparent subdisc B, coloring different blocks, drying, and coating a sealing film on the surface to obtain the subdisc B, wherein the subdisc A and the subdisc B are used for finally packaging the DVD optical disk.
Description
Technical Field
The invention relates to the technical field of DVD (digital video disk) optical disks, in particular to a preparation method of a novel printing-free DVD optical disk.
Background
An optical disk is an article using optical information as a storage carrier and storing data, is a device for reading and writing by using laser principle, is a rapidly developed auxiliary memory, and can store various multimedia digital information such as characters, sound, figures, images, animation and the like.
At present, the top surface of most of the existing optical disks is provided with a printing layer which is mainly used for displaying basic pattern information of the content of the optical disk, and the printing layer of the optical disk needs to use a large amount of heavy pollutants such as printing ink, dye and the like in the printing process, so that the printing layer is not in accordance with the sustainable green low-carbon production concept.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a method for preparing a novel print-free DVD disc, which replaces the structure of the printing layer on the top of the conventional DVD disc, and reduces the links of repeated printing, so that firstly, the use of printing dyes can be reduced, the cost can be reduced, secondly, the properties of low carbon, green and environmental protection in the production process can be ensured to the greatest extent, and the method conforms to the production concept of sustainable development.
The technical purpose of the invention is realized by the following technical scheme:
a preparation method of a novel printing-free DVD optical disk comprises the following specific steps:
A. preparing a master disk A, wherein the master disk A is mainly used for laser recording a sub disk A for storing optical disk data information, and simultaneously preparing a master disk B, wherein the master disk B is mainly used for laser recording a sub disk B for storing optical disk pattern information, and the sub disk B is arranged on the top surface of the optical disk instead of the function of a printing label layer;
B. placing the mother disc A on one surface of an injection mold to be used as a part of the mold, drying PC particles, heating and melting the PC particles to form liquid, injecting the liquid into a mold cavity under pressure, and filling the whole mold cavity with the liquid;
C. placing the mother disc B in a special mould, forming pattern information pits on the special mould according to the shape requirement of the pattern, forming different pit depths at different color parts in the pattern, and performing the same injection molding process as the mother disc A;
D. the pit shapes on the surfaces of the mother disc A and the mother disc B are respectively copied by the transparent sub disc A and the transparent sub disc B which are formed after cooling, and the sub disc is completely separated from the mother disc to obtain the transparent sub disc A and the transparent sub disc B with data information;
E. independently processing the transparent subdisc B, coloring different blocks, drying, and coating a sealing film on the surface to obtain a subdisc B;
F. and obtaining a transparent sub-disk A and a transparent sub-disk B, arranging a reflecting layer between the transparent sub-disk A and the sub-disk B, reflecting the data information of the transparent sub-disk A and the pattern pit information of the sub-disk B in two directions, and finally packaging into the DVD optical disk.
Further, the preparation method of the master disc in the step a mainly includes:
ultrasonic cleaning: preparing to respectively carry out ultrasonic cleaning on a mother disc glass substrate A and a mother disc glass substrate B;
coating photosensitive glue: spin-coating a layer of photosensitive resist on the surfaces of the mother disc glass substrate A and the mother disc glass substrate B, irradiating the photosensitive resist by using a laser beam, and carrying out chemical reaction on the photosensitive resist at an exposure position to form a data pit point;
③ developing and flushing: washing the surface of the photosensitive glue by using a developing solution and repeatedly washing twice;
coating metallic nickel: sputtering a layer of metal nickel on the photosensitive adhesive layer to form a metal nickel layer, and placing the glass mother disc sputtered with the metal nickel layer into an electroforming tank for electroforming to form a metal nickel disc with the thickness of 0.3 mm;
separating the mother disc: and separating the electroformed metal nickel disk from the glass substrate, and cleaning the metal nickel disk to obtain the mother disk.
Further, the main method for coloring the block in step E includes:
preparing a dyeing disc B with the same structure as the master disc B by using an injection molding process, then detecting the pit depth of the transparent sub disc B, recording the pit depth into areas with different colors according to information of different depths, and marking, for example, marking a red coloring area as an alpha block, and marking a blue coloring area as a beta block.
Further, the processing method of the reflective layer in the step F includes:
a layer of metal aluminum is sputtered on the surfaces of the transparent sub-disk A and the transparent sub-disk B, so that the effect of reading a laser reflected signal to the transparent sub-disk A is achieved, the effect of reflecting light to the transparent sub-disk B is achieved, and pattern information can be observed better.
In conclusion, the invention has the following beneficial effects:
the preparation process means of the printing-free DVD disc is utilized to replace the printing coating on the top surface of the traditional DVD disc, so that the use of dyes and various chemical components in the production process is reduced, the pollution in the production process is reduced to the maximum extent, the process is improved, and an environment-friendly, low-carbon and green production flow is formed;
the preparation method for dyeing the pattern information pits is efficient, has sustainability, repeatability and flexibility, and can be repeatedly applied to the preparation process of the same batch of optical discs by preparing a dyeing film group as a dyeing substrate of the same pattern according to different requirements of the pattern pits;
the bottom of the optical disk produced by the invention is used for reading data, the top is used for observing pattern information, and the pattern information is formed according to pits, so that the defect that the information of the optical disk cannot be identified because a common optical disk label layer is damaged can be overcome.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, and are not to be considered limiting of the invention, in which:
FIG. 1 is a process for the preparation of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments with reference to fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1: as shown in fig. 1, a method for preparing a novel printing-free DVD disc comprises the following steps:
preparing a mother disc A and a mother disc B, firstly carrying out ultrasonic cleaning to prepare a mother disc glass substrate A and a mother disc glass substrate B, and respectively carrying out ultrasonic cleaning on two groups of mother discs; then coating photosensitive adhesives on the surfaces of the mother disc glass substrate A and the mother disc glass substrate B, spin-coating a layer of photosensitive adhesives on the surfaces of the mother disc glass substrate A and the mother disc glass substrate B, irradiating the photosensitive adhesives by using laser beams, and carrying out chemical reaction on the photosensitive adhesives at the exposure positions to form data pits; developing and washing the surface of the photosensitive resist by using a developing solution, and repeatedly washing twice to obtain completely washed data pits; then coating metal nickel, and placing the glass mother disc sputtered with the metal nickel layer into an electroforming tank for electroforming to form a metal nickel disc with the thickness of 0.3 mm; and finally, carrying out mother disc separation, separating the electroformed metal nickel disc from the glass substrate, and cleaning the metal nickel disc to obtain a mother disc A and a mother disc B.
The master disk A is mainly used for laser recording of the sub disk A for storing the data information of the optical disk, meanwhile, the master disk B is mainly used for laser recording of the sub disk B for storing the pattern information of the optical disk, and the sub disk B replaces the function of a printing label layer and is used for forming pattern pits with colors subsequently, so that the identification degree of the pattern information is greatly enhanced on the whole, and people can conveniently and directly observe the pattern of the pattern.
Placing the mother disc A on one surface of an injection mold to be used as a part of the mold, drying PC particles, heating and melting the PC particles to form liquid, injecting the liquid into a mold cavity under pressure, and filling the whole mold cavity with the liquid; placing the mother disc B in a special mould, forming pattern information pits on the special mould according to the shape requirement of the pattern, forming different pit depths at different color parts in the pattern, and performing the same injection molding process as the mother disc A;
the pit shapes on the surfaces of the mother disc A and the mother disc B are respectively copied by the transparent sub disc A and the transparent sub disc B which are formed after cooling, and the sub disc is completely separated from the mother disc to obtain the transparent sub disc A and the transparent sub disc B with data information;
the method comprises the steps of independently processing the transparent subplate B, coloring different blocks, preparing a dyeing subplate B with the same structure as the master disc B by using an injection molding process, detecting the pit depth of the transparent subplate B, recording the pit depth into areas with different colors according to information with different depths, and marking, for example, marking a red coloring area as an alpha block, marking a blue coloring area as a beta block.
After drying, a sealing film is coated on the surface of the plate to obtain a subpad B.
After obtaining the transparent subdisc a and the subdisc B, a reflective layer is arranged between the transparent subdisc a and the subdisc B, mainly by the following means: and a layer of metal aluminum is sputtered on the surfaces of the transparent subdisc A and the transparent subdisc B, the effect of reading laser reflected signals to the transparent subdisc A is achieved, the effect of light reflection to the transparent subdisc B is achieved, the pattern information is convenient to observe better, the data information of the transparent subdisc A and the pattern pit information of the subdisc B are reflected towards two directions, and finally the data information and the pattern pit information of the subdisc B are packaged into the DVD optical disk.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (4)
1. A preparation method of a novel printing-free DVD optical disk is characterized by comprising the following specific steps:
preparing a master disk A, wherein the master disk A is mainly used for laser recording a sub disk A for storing optical disk data information, and simultaneously preparing a master disk B, wherein the master disk B is mainly used for laser recording a sub disk B for storing optical disk pattern information, and the sub disk B is arranged on the top surface of the optical disk instead of the function of a printing label layer;
placing the mother disc A on one surface of an injection mold to be used as a part of the mold, drying PC particles, heating and melting the PC particles to form liquid, injecting the liquid into a mold cavity under pressure, and filling the whole mold cavity with the liquid;
placing the mother disc B in a special mould, forming pattern information pits on the special mould according to the shape requirement of the pattern, forming different pit depths at different color parts in the pattern, and performing the same injection molding process as the mother disc A;
the pit shapes on the surfaces of the mother disc A and the mother disc B are respectively copied by the transparent sub disc A and the transparent sub disc B which are formed after cooling, and the sub disc is completely separated from the mother disc to obtain the transparent sub disc A and the transparent sub disc B with data information;
independently processing the transparent subdisc B, coloring different blocks, drying, and coating a sealing film on the surface to obtain a subdisc B;
and obtaining a transparent sub-disk A and a transparent sub-disk B, arranging a reflecting layer between the transparent sub-disk A and the sub-disk B, reflecting the data information of the transparent sub-disk A and the pattern pit information of the sub-disk B in two directions, and finally packaging into the DVD optical disk.
2. The method as claimed in claim 1, wherein the method for preparing the master disc in step a mainly comprises:
ultrasonic cleaning: preparing to respectively carry out ultrasonic cleaning on a mother disc glass substrate A and a mother disc glass substrate B;
coating photosensitive glue: spin-coating a layer of photosensitive resist on the surfaces of the mother disc glass substrate A and the mother disc glass substrate B, irradiating the photosensitive resist by using a laser beam, and carrying out chemical reaction on the photosensitive resist at an exposure position to form a data pit point;
③ developing and flushing: washing the surface of the photosensitive glue by using a developing solution and repeatedly washing twice;
coating metallic nickel: sputtering a layer of metal nickel on the photosensitive adhesive layer to form a metal nickel layer, and placing the glass mother disc sputtered with the metal nickel layer into an electroforming tank for electroforming to form a metal nickel disc with the thickness of 0.3 mm;
separating the mother disc: and separating the electroformed metal nickel disk from the glass substrate, and cleaning the metal nickel disk to obtain the mother disk.
3. The method as claimed in claim 2, wherein the step E of coloring the block mainly comprises:
preparing a dyeing disc B with the same structure as the master disc B by using an injection molding process, then detecting the pit depth of the transparent sub disc B, recording the pit depth into areas with different colors according to information of different depths, and marking, for example, marking a red coloring area as an alpha block, and marking a blue coloring area as a beta block.
4. The method as claimed in claim 3, wherein the step F of processing the reflective layer comprises:
a layer of metal aluminum is sputtered on the surfaces of the transparent sub-disk A and the transparent sub-disk B, so that the effect of reading a laser reflected signal to the transparent sub-disk A is achieved, the effect of reflecting light to the transparent sub-disk B is achieved, and pattern information can be observed better.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967891.8A CN113658614A (en) | 2021-08-23 | 2021-08-23 | Preparation method of novel printing-free DVD optical disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967891.8A CN113658614A (en) | 2021-08-23 | 2021-08-23 | Preparation method of novel printing-free DVD optical disk |
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| Publication Number | Publication Date |
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| CN113658614A true CN113658614A (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110967891.8A Pending CN113658614A (en) | 2021-08-23 | 2021-08-23 | Preparation method of novel printing-free DVD optical disk |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177180A (en) * | 1996-09-19 | 1998-03-25 | 日本哥伦比亚株式会社 | Optical information recording medium |
| KR20020075537A (en) * | 2001-03-26 | 2002-10-05 | 주식회사 네오텍미디어 | Method for recording any advertising expression in optical disc |
| EP1327979A1 (en) * | 2002-01-11 | 2003-07-16 | Fuji Photo Film Co., Ltd. | Optical information recording medium |
| JP2006079788A (en) * | 2004-09-13 | 2006-03-23 | Ricoh Co Ltd | Method for manufacturing master optical disk |
| CN101064125A (en) * | 2006-04-25 | 2007-10-31 | 株式会社日立制作所 | Optical disk and recording method of visible figures into optical disk |
| CN101083096A (en) * | 2006-06-02 | 2007-12-05 | 株式会社东芝 | Optical disc, information recording method, information reproducing method, and disc drive |
| CN101217046A (en) * | 2007-12-28 | 2008-07-09 | 上海市激光技术研究所 | Manufacturing method of laser kinetic digital hologram DVD or DVD-R CD |
-
2021
- 2021-08-23 CN CN202110967891.8A patent/CN113658614A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177180A (en) * | 1996-09-19 | 1998-03-25 | 日本哥伦比亚株式会社 | Optical information recording medium |
| KR20020075537A (en) * | 2001-03-26 | 2002-10-05 | 주식회사 네오텍미디어 | Method for recording any advertising expression in optical disc |
| EP1327979A1 (en) * | 2002-01-11 | 2003-07-16 | Fuji Photo Film Co., Ltd. | Optical information recording medium |
| JP2006079788A (en) * | 2004-09-13 | 2006-03-23 | Ricoh Co Ltd | Method for manufacturing master optical disk |
| CN101064125A (en) * | 2006-04-25 | 2007-10-31 | 株式会社日立制作所 | Optical disk and recording method of visible figures into optical disk |
| CN101083096A (en) * | 2006-06-02 | 2007-12-05 | 株式会社东芝 | Optical disc, information recording method, information reproducing method, and disc drive |
| CN101217046A (en) * | 2007-12-28 | 2008-07-09 | 上海市激光技术研究所 | Manufacturing method of laser kinetic digital hologram DVD or DVD-R CD |
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Application publication date: 20211116 |
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