CN1282964C - Optical recording medium and its making method - Google Patents
Optical recording medium and its making method Download PDFInfo
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- CN1282964C CN1282964C CNB03109838XA CN03109838A CN1282964C CN 1282964 C CN1282964 C CN 1282964C CN B03109838X A CNB03109838X A CN B03109838XA CN 03109838 A CN03109838 A CN 03109838A CN 1282964 C CN1282964 C CN 1282964C
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- record medium
- optical record
- substrate
- protective seam
- dura mater
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Abstract
The present invention relates to an optical recording medium which comprises an optical recording base plate, an interface layer and a hard film protective layer, wherein the interface layer and the hard film protective layer are orderly formed at one side of the optical recording base plate, and the interface layer is positioned between the optical recording base plate and the hard film protective layer. Additionally, the present invention also provides a making method of the optical recording medium.
Description
Technical field
The present invention relates to a kind of optical record medium and manufacture method thereof, particularly a kind of optical record medium and manufacture method thereof with dura mater protective seam (hard coating layer).
Background technology
In recent years, because optical record medium can store lot of data, have portability and can storing data permanently, so utilizing optical record medium to come storage data has been the data storing mode of more and more popularizing, the field of its application comprises purposes such as storing image, music or a large sum of data.
Present modal optical record medium comprises CD (Compact Disc), and Video CD (DVD, Digital Versatile Disc), and the data storing capacity of the roughly similar and Video CD of its structure is much larger than the data storing capacity of CD.Below be that example illustrates its structure with CD; please refer to shown in Figure 1; generally speaking; optical record medium 1 generally includes trilaminate material; ground floor is for being formed with the substrate 11 of hole (pit); the second layer is the formed reflection horizon 13 of metal material such as gold or silver, and the 3rd layer is by the formed protective seam 15 of resin.Notice that aforesaid optical record medium is to comprise recordable optical recording medium, it forms the recording layer (not shown) that one deck is made of organic dyestuff (Dye) between substrate 11 and reflection horizon 13.
As mentioned above, when utilizing reading device, as devices such as CD-Player, DVD-Player, when reading the stored data of optical record medium 1, the laser that reading device sent can pass substrate 11, and by these laser of reflection horizon 13 reflection, then reading device can receive 13 laser light reflected of layer that are reflected, and laser light reflected is understood out the stored data of optical record medium 1 in view of the above; Wherein, the one side of the substrate 11 of optical record medium 1 generally is referred to as reading face.But optical record medium is in carrying, in the process using, store, and regular meeting produces collision, friction, and then the reading face of wearing and tearing optical record medium, and the result can cause reading device can't normally read data in the optical record medium; Therefore, those skilled in the art are convenient to use the rotary coating mode, is formed with a dura mater protective seam 17 (as shown in Figure 2) on the reading face of optical record medium 2, in the hope of the skin hardness that can increase reading face and promote its abrasive resistance.
Yet; above-mentioned spin coating process is wayward; and in the process that forms dura mater protective seam 17; the composition surface (interface) that substrate 11 and dura mater protective seam are 17 can produce the accumulation of internal stress (inter stress); make connecting state not good; and utilizing the prepared dura mater protective seam 17 of rotary coating mode to have the not good situation of homogeneity (uniformity), the result can cause bad influence to the follow-up engineering properties and the photoelectric property of optical record medium 2.
Therefore, effectively protecting the reading face of optical record medium, and avoid the machinery and the photoelectric property of optical record medium are caused bad influence, is one of important topic of current optical record medium manufacturing technology.
Summary of the invention
The object of the present invention is to provide a kind of optical record medium and the manufacture method thereof that reading face can effectively be protected and avoid influencing machinery and photoelectric property.
Feature of the present invention is that the reading face at optical record medium is formed with the interface layer of at least one dura mater protective seam and between substrate and dura mater protective seam.
Therefore, for achieving the above object, optical record medium according to the present invention comprises an optical recording substrate, an interface layer and a dura mater protective seam (hard coating layer).In the present invention, interface layer and dura mater protective seam are formed at a side of optical recording substrate; And interface layer is between optical recording substrate and dura mater protective seam.Wherein, interface layer and dura mater protective seam are formed at a side of the reading face of optical record medium; And the optical recording substrate comprises a substrate, a reflection horizon and a protective seam.
The invention provides a kind of optical record medium, comprise: an optical recording substrate, comprise a substrate and a reflection horizon, this reflection horizon is arranged on a side of this substrate; One dura mater protective seam, its relative this reflection horizon is formed at the opposite side of this substrate; And an interface layer, it is formed between this substrate and this dura mater protective seam.
In addition, the present invention also also provides a kind of optical record medium manufacture method, comprises a prefabricated optical recording substrate, and this optical recording substrate comprises a substrate and a reflection horizon, and this reflection horizon is arranged on a side of this substrate; Opposite side in relative this reflection horizon of substrate forms an interface layer; And on a side of interface layer, form a dura mater protective seam.In the present invention, interface layer is formed between substrate and the dura mater protective seam.Wherein, interface layer and dura mater protective seam can be to utilize sputtering way to form.
As mentioned above, because of optical record medium according to the present invention and manufacture method thereof are formed with interface layer and dura mater protective seam at the reading face of optical record medium, protect the reading face of optical record medium effectively so can utilize the dura mater protective seam, and utilize the interface layer be arranged between substrate and the dura mater protective seam to avoid the internal stress on composition surface to pile up and the not good situation of connecting state, and then eliminating harmful effect that the machinery and the photoelectric property of optical record medium caused; In addition; because according to optical record medium of the present invention and manufacture method thereof can be to utilize sputtering way to form interface layer and dura mater protective seam; so can avoid the not good problem of homogeneity of utilizing the rotary coating mode to be caused, further improve the machinery and the photoelectric property of optical record medium.
In other words, owing to be formed with interface layer and dura mater protective seam at the reading face of optical record medium according to optical record medium of the present invention and manufacture method thereof, so can utilize the dura mater protective seam to protect the reading face of optical record medium effectively; In addition; utilize sputtering way between substrate and dura mater protective seam, to form interface layer according to optical record medium of the present invention and manufacture method system thereof; avoid the internal stress on composition surface to pile up and the not good situation of connecting state; and avoid the not good problem of homogeneity of utilizing the rotary coating mode to be caused, and then get rid of the harmful effect that machinery and photoelectric property to optical record medium cause.
Description of drawings
Fig. 1 is the synoptic diagram of the existing optical record medium of a demonstration;
Fig. 2 is the synoptic diagram of another existing optical record medium of demonstration;
Fig. 3 is the synoptic diagram of demonstration optical record medium of preferred embodiment according to the present invention;
Fig. 4 is the synoptic diagram of demonstration optical record medium of another preferred embodiment according to the present invention, and it also has a cushion;
Fig. 5 is the synoptic diagram of demonstration optical record medium of another preferred embodiment according to the present invention, and it also has a recording layer; And
Fig. 6 is a process flow diagram, shows the flow process of the optical record medium manufacture method of preferred embodiment according to the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, the optical record medium and the manufacture method thereof of the preferred embodiment according to the present invention is described, wherein identical assembly will be illustrated with identical reference marks.
Please refer to shown in Figure 3ly, the optical record medium 3 of the preferred embodiment according to the present invention comprises a substrate 31, a reflection horizon 33, a protective seam 35, a dura mater protective seam 37 and an interface layer 39.
In the present embodiment, be formed with a plurality of holes 311 on the side of substrate 31; Generally speaking, those skilled in the art make and substrate 31 corresponding mother matrixs (stamper) earlier, and utilize injection molding method to cooperate this mother matrix to form substrate 31.
As shown in Figure 3,37 of interface layer 39 and dura mater protective seams are formed at the opposite side that substrate 31 has hole 311 in regular turn.In the present embodiment, interface layer 39 and dura mater protective seam 37 form with sputtering way, and interface layer 39 is formed between substrate 31 and the dura mater protective seam 37, it is by can be respectively being formed with the material of substrate 31 and dura mater protective seam 37 stable engagement, for example be epoxy resin, oxygenatedchemicals, monox etc., so the internal stress that can avoid having the composition surface of being caused in the rotary coating mode now is piled up and the not good situation of connecting state; In addition, dura mater protective seam 37 for example is organic compound, thermoplastic resin (thermofusible resin), epoxy resin, silicon dioxide, aluminium oxide etc. for the material that increases skin hardness and abrasive resistance can be provided.The person of noting; be formed at a side of the reading face of optical record medium 3 because of interface layer 39 and dura mater protective seam 37; so interface layer 39 and dura mater protective seam 37 must be the materials that can allow the laser of reading device (not shown) pass smoothly, so that reading device can normally read data stored in the optical record medium 3.
In addition, please refer to shown in Figure 4ly, the optical record medium 4 of another preferred embodiment according to the present invention comprises a substrate 31, a reflection horizon 33, a protective seam 35, a dura mater protective seam 37, a cushion 38 and an interface layer 39.
As mentioned above, the part assembly of optical record medium 4 as previously mentioned, so no longer set forth; In the present embodiment, cushion 38 is formed between interface layer 39 and the dura mater protective seam 37, so that issuable internal stress in external force that buffering or absorb is applied on the optical record medium 4 and the optical record medium 4; Wherein, cushion 38 same systems are formed with sputtering way, and its material can be organic polymer, wax (waxe), rubber (rubber), cerium oxide etc.
Notice that optical record medium according to the present invention is except being above-mentioned CD or DVD, it can also be a recordable optical recording medium, for example is CD-R, CD-RW, DVD-R or DVD-RW; For example, as shown in Figure 5, the optical record medium 5 of the another preferred embodiment according to the present invention comprises a substrate 31, a recording layer 32, a reflection horizon 33, a protective seam 35, a dura mater protective seam 37, a cushion 38 and an interface layer 39.In the present embodiment, the material of recording layer 32 can also be to comprise organism, as phthalocyanine or nitrogen-containing compound (Azo compounds), and this organism is after the process irradiation of laser, the variation that can produce structure because of the high temperature that laser focusing produced is so that write data; In addition, recording layer 32 is between substrate 31 and reflection horizon 33, its material can be to comprise metal, as Ge-Sb-Te or Ag-In-Sb-Te, and the metal of recording layer 32 is after the irradiation of the laser of process reading device, can be because high temperature that laser focusing produced and undergoing phase transition reached writing of data in view of the above.In addition, according to optical record medium of the present invention can also be wherein one deck of double-deck DVD, DVD-R or DVD-RW.
For content of the present invention is more readily understood, below will lift an example, with the flow process of explanation optical record medium manufacture method of preferred embodiment according to the present invention.
Please refer to shown in Figure 6ly, the optical record medium manufacture method 6 of preferred embodiment comprises step 601～604 according to the present invention.At first, the prefabricated optical recording substrate of step 601.In the present embodiment; the optical recording substrate can be the structure of optical record mediums such as existing C D, CD-R, CD-RW, DVD, DVD-R or DVD-RW; it has a substrate, a reflection horizon and a protective seam usually; if the structure of the optical record medium of the formula of writing or duplicative then can also be formed with a recording layer between substrate and reflection horizon.
Then, in step 602, an interface layer is formed at a side of optical recording substrate.As mentioned above, this step is formed at interface layer one side of the substrate of optical recording substrate, its material be can with the material of substrate stable engagement.In the present embodiment, interface layer is to utilize sputtering way to form, so when forming interface layer, the accumulation that can between substrate and interface layer, not produce internal stress, and the not good situation of connecting state.
Then, step 603 forms a cushion on interface layer.In the present embodiment, cushion utilizes sputtering way to form, so when forming cushion, the accumulation that can between interface layer and cushion, not produce internal stress.
At last, shown in step 604, on cushion, form a dura mater protective seam.In the present embodiment, the material of dura mater protective seam can be the material of any one existing dura mater protective seam; And this step system utilizes sputtering way to form the dura mater protective seam, so when forming the dura mater protective seam, the accumulation that can between dura mater protective seam and cushion, not produce internal stress.
Notice that above-mentioned step 603 can be that selectivity is implemented, just, can not need between interface layer and dura mater protective seam, to form cushion, but on interface layer, directly form the dura mater protective seam.
The above only is an illustrative, rather than restricted.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the scope of claim its equivalent modifications of carrying out or change.
Claims (11)
1. optical record medium is characterized in that comprising:
One optical recording substrate comprises a substrate and a reflection horizon, and this reflection horizon is arranged on a side of this substrate;
One dura mater protective seam, its relative this reflection horizon is formed at the opposite side of this substrate; And
One interface layer, it is formed between this substrate and this dura mater protective seam.
2. optical record medium as claimed in claim 1 is characterized in that, this optical record medium comprises:
One protective seam, it is formed at a side in this reflection horizon.
3. optical record medium as claimed in claim 1 is characterized in that, this optical record medium comprises:
One recording layer, it is formed between this substrate and this reflection horizon.
4. optical record medium as claimed in claim 1 is characterized in that, this interface layer and this dura mater protective seam form with sputtering way respectively.
5. optical record medium as claimed in claim 1 is characterized in that, comprises:
One cushion, it is formed between this interface layer and this dura mater protective seam, and with buffering or absorb the internal stress that the external force be applied on the optical record medium and optical record medium produce, this cushion forms with sputtering way.
6. optical record medium as claimed in claim 1 is characterized in that it being CD or Video CD.
7. optical record medium manufacture method is characterized in that comprising:
A prefabricated optical recording substrate, this optical recording substrate comprises a substrate and a reflection horizon, and this reflection horizon is arranged on a side of this substrate;
Opposite side in relative this reflection horizon of this substrate forms an interface layer; And
Side in this interface layer forms a dura mater protective seam, and this interface layer is formed between this substrate and this dura mater protective seam.
8. optical record medium manufacture method as claimed in claim 7 is characterized in that, this optical recording substrate comprises:
One protective seam, it is formed at a side in this reflection horizon.
9. optical record medium manufacture method as claimed in claim 8 is characterized in that, this optical recording substrate comprises:
One recording layer, it is formed between this substrate and this reflection horizon.
10. optical record medium manufacture method as claimed in claim 7 is characterized in that, this interface layer and this dura mater protective seam form with sputtering way respectively.
11. optical record medium manufacture method as claimed in claim 7 is characterized in that, comprises:
Form a cushion between this interface layer and this dura mater protective seam, with buffering or absorb the internal stress that the external force that is applied on the optical record medium and optical record medium produce, this cushion forms with sputtering way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03109838XA CN1282964C (en) | 2003-04-11 | 2003-04-11 | Optical recording medium and its making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03109838XA CN1282964C (en) | 2003-04-11 | 2003-04-11 | Optical recording medium and its making method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1536566A CN1536566A (en) | 2004-10-13 |
| CN1282964C true CN1282964C (en) | 2006-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03109838XA Expired - Fee Related CN1282964C (en) | 2003-04-11 | 2003-04-11 | Optical recording medium and its making method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1282964C (en) |
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2003
- 2003-04-11 CN CNB03109838XA patent/CN1282964C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1536566A (en) | 2004-10-13 |
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