Low-carbon environment-friendly optical disc

Abstract

The utility model relates to the technical field of optical discs, in particular to a low-carbon environment-friendly optical disc which comprises a middle supporting layer which is of a five-layer structure and comprises a first aluminum-plated reflecting layer, a first polycarbonate supporting layer, a middle paperboard layer, a second polycarbonate supporting layer and a second aluminum-plated reflecting layer from top to bottom. The first polycarbonate supporting layer and the second polycarbonate supporting layer are bonded outside the middle paperboard layer, the first polycarbonate supporting layer is arranged at the upper end of the second polycarbonate supporting layer, and the first aluminized reflecting layer is bonded on the outer side of the first polycarbonate supporting layer. The second aluminum-plated reflecting layer is bonded to the outer side of the second polycarbonate supporting layer, the reflecting direction of the first aluminum-plated reflecting layer is opposite to that of the second aluminum-plated reflecting layer, and a first information layer and a first transparent substrate layer are sequentially arranged on the outer side of the first aluminum-plated reflecting layer; and a second information layer and a second transparent substrate layer are sequentially arranged on the outer side of the second aluminized reflecting layer.

Description

Technical Field

[0001] The utility model relates to the technical field of optical discs, in particular to a low-carbon and environmentally friendly optical disc. Background Art

[0002] As global environmental problems become increasingly serious, reducing carbon emissions and promoting green production have become a consensus among all sectors of society. As an important medium for data storage and transmission, the energy consumption and carbon emissions in the production process of optical discs cannot be ignored. In the process of optical disc manufacturing and use, carbon emissions mainly come from the production, processing, transportation and post-disposal of raw materials. Therefore, low-carbon optical discs can be achieved by using environmentally friendly materials and optimizing production processes.

[0003] At present, a Chinese patent with publication number CN2646827Y discloses a double-sided optical disc structure, in which both the front and back surfaces of the optical disc are recording entities in a readable / writable format. The optical disc is divided into an upper layer and a lower layer, wherein an adhesive layer is provided between the upper layer and the lower layer, a protective layer is provided above the adhesive layer, a reflective layer is provided above the protective layer, and a dye layer is provided above the reflective layer, and a protective layer is provided below the adhesive layer, a reflective layer is provided below the protective layer, and a dye layer is provided below the reflective layer. Data can be read / written on the front and back surfaces of the upper layer and the lower layer, providing double-sided recording with different formats of memory on both sides.

[0004] Although this double-sided CD can store data information on both sides, it does not achieve the concept of low carbon and environmental protection. In the structure of the CD, the substrate layer only uses a polyester carbonate layer and a dye layer, and the CD label information needs to be added by ink printing. Utility Model Content

[0005] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide a low-carbon and environmentally friendly optical disc, which has the characteristics of low-carbon and environmentally friendly. The materials, structure and manufacturing process of the optical disc are in line with the production concept of sustainable development.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A low-carbon and environmentally friendly optical disc comprises an intermediate support layer, wherein the intermediate support layer is a five-layer structure, and comprises from top to bottom a first aluminum-plated reflective layer, a first polycarbonate support layer, an intermediate paperboard layer, a second polycarbonate support layer, and a second aluminum-plated reflective layer, wherein the first polycarbonate support layer and the second polycarbonate support layer are bonded to the outside of the intermediate paperboard layer, and the first polycarbonate support layer is arranged at the upper end of the second polycarbonate support layer, the first aluminum-plated reflective layer is bonded to the outside of the first polycarbonate support layer, and the second aluminum-plated reflective layer is bonded to the outside of the second polycarbonate support layer, and the reflection direction of the first aluminum-plated reflective layer is opposite to that of the second aluminum-plated reflective layer, and a first information layer and a first transparent substrate layer are sequentially arranged on the outside of the first aluminum-plated reflective layer, and a second information layer and a second transparent substrate layer are sequentially arranged on the outside of the second aluminum-plated reflective layer.

[0008] Furthermore, the outer side of the first transparent substrate layer is coated with a first wear-resistant coating, and the outer side of the second transparent substrate layer is coated with a second wear-resistant coating. Both the first wear-resistant coating and the second wear-resistant coating are made of photosensitive resin.

[0009] Furthermore, a center hole of the optical disc is opened in the middle of the middle supporting layer, a connecting layer is provided at the position of the center hole of the optical disc, the connecting layer is arranged closely around the inner wall of the center hole of the optical disc, and a center layer bonded to the connecting layer is provided outside the connecting layer.

[0010] Furthermore, a label layer is disposed on the outer side of the central layer, a QR code label is engraved inside the label layer, and a protective layer is disposed on the outer side of the label layer, which is bonded to and covers the outer side of the label layer, and the protective layer is a transparent structure.

[0011] In summary, the utility model has the following beneficial effects:

[0012] ① The utility model uses a combination of a cardboard layer and a polycarbonate layer as a substrate, which reduces the thickness required for polycarbonate, saves the amount of raw materials used for PC plastic, and achieves the purpose of green and low carbon;

[0013] ② The utility model replaces the traditional ink printing method by burning a QR code label, eliminating printing equipment and printing raw materials, and achieving the purpose of green and low carbon;

[0014] ③ The utility model can read data bidirectionally, which improves the data storage capacity and increases the usability of the optical disc while ensuring environmental protection characteristics. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application, but do not constitute an improper limitation of the present invention. In the drawings:

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is an enlarged schematic diagram of the layer structure of the utility model;

[0018] Figure 3 It is a top view of the utility model;

[0019] Figure 4 It is a schematic diagram of the central layer of the utility model.

[0020] In the figure, 1, middle support layer; 101, first aluminum-plated reflective layer; 102, first polycarbonate support layer; 103, middle paperboard layer; 104, second aluminum-plated reflective layer; 105, second polycarbonate support layer; 2, first information layer; 3, first transparent substrate layer; 4, second information layer; 5, second transparent substrate layer; 6, first wear-resistant coating; 7, second wear-resistant coating; 8, connecting layer; 9, center layer; 10, label layer; 11, protective layer. DETAILED DESCRIPTION

[0021] The above and other technical contents, features and functions of the present invention are described in detail below with reference to the attached Figure 1 To Attachment Figure 4 The detailed description of the embodiments will clearly show that the structural contents mentioned in the following embodiments are all based on the drawings in the specification.

[0022] Various exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings. Example

[0023] A low-carbon and environmentally friendly optical disc comprises an intermediate supporting layer 1, a central hole of the optical disc is provided in the middle of the intermediate supporting layer 1, a connecting layer 8 is provided at the position of the central hole of the optical disc, the connecting layer 8 is arranged around the inner wall of the central hole of the optical disc and is tightly bonded to the inside of the central hole of the optical disc, a central layer 9 bonded to the connecting layer 8 is provided on the outside of the connecting layer 8, and the connecting layer 8 serves as an intermediate object for connecting and fixing the central layer 9 and the intermediate supporting layer 1.

[0024] The middle support layer 1 is a five-layer structure, and the middle support layer 1 includes, from top to bottom, a first aluminum-plated reflective layer 101, a first polycarbonate support layer 102, an intermediate paperboard layer 103, a second polycarbonate support layer 105, and a second aluminum-plated reflective layer 104. The first polycarbonate support layer 102 and the second polycarbonate support layer 105 are bonded to the outside of the middle paperboard layer 103, and the first polycarbonate support layer 102 is arranged on the upper end of the second polycarbonate support layer 105. The first aluminum-plated reflective layer 101 is bonded to the outside of the first polycarbonate support layer 102, and the second aluminum-plated reflective layer 104 is bonded to the outside of the second polycarbonate support layer 105. The reflection direction of the first aluminum-plated reflective layer 101 is opposite to that of the second aluminum-plated reflective layer 104. The first information layer 2 and the first transparent substrate layer 3 are arranged on the outside of the first aluminum-plated reflective layer 101 in sequence, and the second information layer 4 and the second transparent substrate layer 5 are arranged on the outside of the second aluminum-plated reflective layer 104 in sequence.

[0025] In the above structure, the middle paperboard layer 103 is the central substrate layer of the optical disc, and the first polycarbonate support layer 102 and the second polycarbonate support layer 105 are distributed on both sides of the middle paperboard layer 103, which strengthens the stability of the middle paperboard layer 103. At the same time, due to the existence of the middle paperboard layer 103, the thickness of the first polycarbonate support layer 102 and the second polycarbonate support layer 105 can be reduced, saving the amount of polycarbonate material, and achieving the purpose of low carbon and environmental protection. The first aluminum-plated reflective layer 101 and the second aluminum-plated reflective layer 104 help to bidirectionally reflect the laser beam, so that the optical disc data can be read in two directions. The first aluminum-plated reflective layer 101 is used to read the data of the first information layer 2, and the second aluminum-plated reflective layer 104 is used to read the data of the second information layer 4.

[0026] The outer side of the first transparent substrate layer 3 is coated with a first wear-resistant coating 6, and the outer side of the second transparent substrate layer 5 is coated with a second wear-resistant coating 7. Both the first wear-resistant coating 6 and the second wear-resistant coating 7 are made of photosensitive resin. The photosensitive resin can harden in a short time to form a smooth and hard surface with good wear resistance and optical properties, which can extend the service life of the optical disc and reduce the impact on the reading of the optical disc.

[0027] A label layer 10 is provided on the outside of the central layer 9, and a QR code label is engraved inside the label layer 10. In this embodiment, the optical disc uses a method of engraving a QR code label instead of printing a label with ink, which eliminates the step of ink printing and achieves the purpose of low carbon and environmental protection. A protective layer 11 is provided on the outside of the label layer 10, which is bonded to and covers the outside of the label layer 10. The protective layer 11 is a transparent structure, which can prevent the QR code label engraved on the label layer 10 from being damaged, affecting the reading of the QR code label.

[0028] The above is a further detailed description of the present invention in combination with a specific implementation method, and it cannot be determined that the specific implementation of the present invention is limited to this; for technical personnel in the field of the present invention and related technical fields, based on the technical solution of the present invention, the expansion and replacement of operating methods and data should all fall within the protection scope of the present invention.

Claims

1. A low-carbon and environmentally friendly optical disc, characterized by: The invention comprises an intermediate support layer (1), wherein the intermediate support layer (1) is a five-layer structure, wherein the intermediate support layer (1) comprises, from top to bottom, a first aluminum-plated reflective layer (101), a first polycarbonate support layer (102), an intermediate paperboard layer (103), a second polycarbonate support layer (105), and a second aluminum-plated reflective layer (104), wherein the first polycarbonate support layer (102) and the second polycarbonate support layer (105) are bonded to the outside of the intermediate paperboard layer (103), and the first polycarbonate support layer (102) is arranged on the second polycarbonate support layer (105). At the upper end, the first aluminum-plated reflective layer (101) is bonded to the outer side of the first polycarbonate support layer (102), and the second aluminum-plated reflective layer (104) is bonded to the outer side of the second polycarbonate support layer (105); the reflection direction of the first aluminum-plated reflective layer (101) is opposite to the reflection direction of the second aluminum-plated reflective layer (104); a first information layer (2) and a first transparent substrate layer (3) are sequentially arranged on the outer side of the first aluminum-plated reflective layer (101); and a second information layer (4) and a second transparent substrate layer (5) are sequentially arranged on the outer side of the second aluminum-plated reflective layer (104).

2. A low-carbon and environmentally friendly optical disc according to claim 1, characterized in that: The outer side of the first transparent substrate layer (3) is coated with a first wear-resistant coating (6), and the outer side of the second transparent substrate layer (5) is coated with a second wear-resistant coating (7), and both the first wear-resistant coating (6) and the second wear-resistant coating (7) are made of photosensitive resin.

3. The low-carbon and environmentally friendly optical disc according to claim 1, characterized in that: A central hole for an optical disc is provided in the middle of the intermediate support layer (1), a connecting layer (8) is provided at the position of the central hole for the optical disc, the connecting layer (8) is arranged closely around the inner wall of the central hole for the optical disc, and a central layer (9) bonded to the connecting layer (8) is provided outside the connecting layer (8).

4. A low-carbon and environmentally friendly optical disc according to claim 3, characterized in that: A label layer (10) is provided on the outside of the central layer (9), a two-dimensional code label is engraved inside the label layer (10), and a protective layer (11) is provided on the outside of the label layer (10) and is bonded to and covers the outside of the label layer (10), and the protective layer (11) is a transparent structure.

Images