TWI251829B - Optical recording medium and manufacturing method thereof - Google Patents

Abstract

An optical recording medium includes an optical recording substrate, an inter layer, and a hard coating layer. The inter layer and hard coating layer are located at one side of the optical recording substrate. In this case, the inter layer is positioned between the optical recording substrate and hard coating layer. Furthermore, the invention also discloses a manufacturing method of the optical recording medium.

Description

^^ 92107440 1251829

V. INSTRUCTIONS OF THE INVENTION (1) () Technical Field to Which the Invention Is Related] [0002] An optical recording medium and a method of manufacturing the same, and more particularly to a recording medium having a hard coating layer and Its manufacturing method. Ng iayer ) Optical (2), [Prior Art] Right 叮 $ : 'Because optical recording media can store a large amount of data, and come = data is already coming:: two capital: learning = the image, music or For optical applications such as large-scale data, and for applications, the optical recording media including CD (Compact d=): DVD (Digital Versatiie, Yuan is greater than CD ^ = ^ and the data storage capacity of digital audio and video discs'', The storage capacity of the shell material. The CD is taken as an example to illustrate the structure of the gentleman, as shown in Figure 1, a boat and a group of M j, the month /,,,, mouth structure 'clear material, the first screen Α 5, The first record media 1 usually consists of three layers or a poorly-formed substrate 11 with a hole (Pit), and the second layer is gold: the heart's accompanying sound I: the formed reflective layer 13, and the first The third layer is a recordable optical recording medium made of a resin; the recording medium includes a recording layer composed of an organic raft (Dye) (not shown). When CD_Player, DVD_m is read out and the data stored in the optical recording medium 1 is read, the laser light of the cymbal passes through the substrate 1 1, and the reflective light reading device 13 receives the lightning reflected by the reflective layer 13

Im Page 6 1251829_______ Case V. Invention Description (2) Q2107440 曰 Correction

The light is emitted, and the data stored in the optical recording medium 1 is interpreted based on the reflected laser light; wherein one side of the substrate 11 of the optical recording medium 1 is generally a reading surface. However, in the process of handling, using, and storing, the optical recording medium often collides and rubs, and then wears the reading surface of the optical recording medium, and as a result, the reading device cannot read the data in the optical recording medium normally; therefore, It is convenient for a person skilled in the art to form a hard film protective layer 17 (shown in FIG. 2) on the reading surface of the optical recording medium 2 in order to increase the surface hardness of the reading surface and improve the wear resistance thereof. Capability 0 However, the above-mentioned spin coating process is not easy to control, and in the process of forming the hard coat layer 17, the interface between the substrate 11 and the hard coat layer I will generate internal stress (inter stress). The stacking ", and the bonding condition are not good, and the hard coat layer 17 obtained by the spin coating method has a poor uniformity, and as a result, the subsequent machine of the optical recording medium 2 is prepared. The nature and optoelectronic properties cause no & ,. The shadow of the right is therefore how to effectively protect the reading surface of the optical recording medium and avoid adverse effects on the mechanical and optoelectronic properties of the optical recording medium. This is the second important issue in the current optical recording medium manufacturing technology. 〜 曰 ' _ (3), [Draft] In view of the above problems, an object of the present invention is to provide an optical recording medium capable of effectively protecting a reading surface and avoiding mechanical and photoelectric properties, and a method of manufacturing the same.

1251829 —--- Case No. 92107440__年月日日正五、发明说明(3) A film protective layer and an interface layer between the substrate and the hard film protective layer. The optical recording medium according to the present invention comprises an optical recording substrate, an interfacial layer, and a hard coating iayer. In the present invention, the interface layer and the hard coat protective layer are formed on one side of the optical recording substrate; and the interface layer is located between the optical recording substrate and the hard coat protective layer. The interface layer and the hard coat layer are formed on one side of the reading surface of the optical recording medium; and the optical recording substrate comprises a substrate, a reflective layer and a protective layer. Further, the present invention also provides a method of manufacturing an optical recording medium comprising: prefabricating an optical recording substrate; forming a dielectric layer on one side of the optical recording substrate; and forming a hard coat protective layer on the interface layer. In the present invention, the interface layer is formed between the substrate and the hard coat layer. The interface layer and the hard coat layer may be formed by sputtering. According to the present invention, the recording medium is coated with the internal recording medium of the hard use medium according to the present invention. The light surface is formed by the hard surface of the present invention, and the hard film is bonded to the photoelectric recording medium layer and the hard uniform and photoelectric The school records have an interface to protect the poor quality of the protective layer and cause poor protection of the body and its membrane. Because it is attached to the optics, it can take the surface and avoid the bonding to the optical surface. The use of sputtering to improve the optical film by using the rotation of the optical film is placed on the substrate and the mechanical and optical forms the interface. The mechanical media and its layer and the hard film optical recording between the mediation, the bad shadow manufacturing method layer, so the problem, the manufacturing method protective layer, the media reading layer to avoid and eliminate the ring; this system can be Can avoid further (4), [Implementation]

MM 92107440 829 V. DESCRIPTION OF THE INVENTION (4) Hereinafter, an optical recording medium and a method of manufacturing the same according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings, wherein the same elements will be described with the same reference numerals. Referring to FIG. 3, an optical recording medium 3 according to a preferred embodiment of the present invention includes a substrate 31, a reflective layer 33, a protective layer, a hard coat layer 37, and an interface layer 39. A plurality of holes 311 are formed on one side of the substrate 31. Generally, a well-known person first makes a "stamper" corresponding to the substrate, and uses the injection molding method to form the master. Substrate 31. The reflective layer 33 and the protective layer 35 are sequentially formed on the side of the substrate 31 having the holes 311 as shown in the drawing. In this embodiment, the reflective layer 33 may be formed of a metal material, and the protective layer 35 is generally formed of a resin. The substrate 31, the reflective layer 33, and the protective layer 35 constitute a prior art. The optical recording substrate can be an optical recording medium such as a conventional (3) or DVD. The base layer 39 and the hard coat layer 37 are sequentially formed on the other side of the plate 31 having the holes 31 1 . In this embodiment, the interface layer 3 9 f film shy layer 3 7 is formed by sputtering, and the interface layer 39 forms between the soil plate 3 1 and the hard film protective layer 37 . It is formed of a material that is stably bonded to the substrate 3 i and the protective layer 37. For example, it is an epoxy compound, an oxide oxide, or the like, so that the internal stress deposition and bonding of the joint surface by the spin coating method can be avoided. In the case of poor condition, the 'hard-film protective layer 3 7 is a substance that can increase the surface hardness and the resistance to the moon', such as organic compounds,

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Resin, epoxy resin, dioxide dioxide, oxidation _1 No. 92107440 V. Invention description (5) Dulu Temple. Note that due to interface development 3 Q Fenshi and > hard film protective layer 37 is formed in light π ν π θ / so interface layer 39 and hard film protective layer, (4) 2: reading device (not shown) "Laser light smoothly passes through m: the reading device can normally read the poor material stored in the optical recording medium 3. Referring to FIG. 4, a photon 6 recording medium 4 according to another preferred embodiment of the present invention includes a substrate 31, a reflective layer 33, a protective layer 35, a dura protective layer 37, A buffer layer 38 and an interface layer 39. As described above, some of the components of the optical recording medium 4 are as described above, and are not described again; in the present embodiment, the buffer layer 38 is formed between the interface layer 39 and the hard coat layer 37 so that Buffering or absorbing external force applied to the optical medium and optical recording medium 4 to cause internal stress; in the middle, the buffer layer 38 is also formed by splashing, and the material thereof can be: organic polymer, waxy (waxe), rubber (rubber), yttrium oxide, etc. It should be noted that the optical recording medium according to the present invention may be a recordable optical recording medium, in addition to a CD or a DVD, and may be, for example, a R, (3)-RW, DVD-R or DVD-RW; for example; As shown in FIG. 5, an optical recording medium 5 according to another preferred embodiment of the present invention includes a substrate 31, a recording layer 32, a reflective layer 33, a protective layer 35, a dura protective layer 37, and a film. The layer 38 and the interface layer 39. In this embodiment, the recording layer may also be made of an organic substance such as phthal〇cyanine or a nitrogen compound, and the organic substance may be generated by laser light after being irradiated by laser light. High temperature and structural changes,

Page 10 1251829

In order to write data, in addition, the recording layer 32 is located between the substrate 31 and the reflective layer 3', and the material thereof may include a metal such as Ge_Sb-Te or Ag-In_Sb/e, and the recording layer 3 The metal of 2 undergoes a phase change after the irradiation of the laser light of the reading device, and the phase change occurs due to the high temperature generated by the focusing of the laser light. Further, the optical recording medium according to the present invention may further be one of a double layer structure of a DVD, a DVD-R or a DVD-RW. In order to make the content of the present invention easier to understand, an example will be given to the invention. The optical body of the optical recording medium manufacturing method according to the preferred embodiment of the present invention is a substrate for writing and opposing the substrate. For the formation of the embodiment, referring to FIG. 6, the optical recording medium manufacturing method 6 according to the preferred embodiment of the present invention includes steps 6〇1 to 6〇4. First, step 6〇1 prefabricates a recording substrate. In this embodiment, the optical recording substrate may be an optical recording medium structure such as a conventional CD-R, CD-RW, DVD, DVD-β or DVD-RW, which often has a substrate, a reflective layer and a The protective layer, if the structure of the input or rewritable optical recording medium is formed, a recording layer is further formed between the base layers. Next, in step 60 2, an interface layer is formed on one side of the optical recording substrate. As described above, in this step, the interface layer is formed on one side of the substrate of the optical recording, and the material is a material that can be stably joined to the substrate. In this embodiment, the interface layer is formed by using a money method, and the interface layer is formed. There is no case where internal stress is generated between the substrate and the interface layer and the bonding condition is not good. Then, step 60 3 forms a buffer layer on the interface layer. In this case, the buffer layer is formed by the (4) plating method, so that the accumulation of internal stress is not generated between the interface layer and the buffer layer. Stomach 1251829 ---^^92107440 Amendment of the next day, invention description (7) '----------«- Finally, 'Shi, as shown in step 6 〇 4, form a buffer layer In the case of hard film protection v.* 曰灵, the material of the dura protective layer may be any conventional dura mater as early as 'hard 保 保 ;; layer material; and 'this step is the mode of mine When the formation of the hard coat is not formed, the accumulation of internal stress is not generated between the pg ^ < That is, the above-mentioned step 603 can be a selective implementer, and θ / person does not need to form a buffer layer between the interface layer and the hard-ruthenium protective layer, and the hard film is directly formed on the surface layer. The protective layer. Legal system ί i ' 'Because of the optical recording medium and its manufacturing layer according to the invention: therefore, ====== has an interface layer and a hard film protection two reading surface; in addition, according to the invention: ί: effect Ground-protected optical recording medium=Using a ruthenium plating method to form an interface layer between the internal stress deposition on the joint surface of the substrate and the hard-film recording medium and the method of manufacturing the same, and the bonding layer is formed by the spin coating method. The situation, and to avoid, 'learning the media and the photoelectricity of the recording media temporarily, and then rule out the above mentioned only the adverse effects caused by the example. : The spirit and scope of the invention, and the restrictions on it. Any failure to leave the %, is included in the scope of the patent application attached. Modifications or changes of the effect are all 1251829 _ case number 92107440_year and month correction _ simple description of the diagram (5), [simple description of the diagram] Figure 1 is a schematic diagram showing a schematic diagram of a conventional optical recording medium, Figure 2 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 3 is a schematic view showing an optical recording medium according to a preferred embodiment of the present invention; FIG. 4 is a schematic view showing another preferred embodiment of the present invention. A schematic view of an optical recording medium of an embodiment further having a buffer layer; FIG. 5 is a schematic view showing a photonic recording medium according to still another preferred embodiment of the present invention, further having a recording layer; 6 is a flow chart showing the flow of a method of manufacturing an optical recording medium in accordance with a preferred embodiment of the present invention. Description of component symbols: 1 Optical recording medium 11 Substrate 13 Reflective layer 15 Protective layer 17 Hard film protective layer 2 Optical recording medium 3 Optical recording Media 31 Substrate 311 Hole

Page 13 1251829 Case No. 92107440 Yearly correction diagram Simple description 32 Recording layer 33 Reflecting layer 35 Protective layer 37 Hard film protective layer 38 Buffer layer 39 Interfacial layer 4 Optical recording medium 5 Optical recording medium 6 Optical recording medium manufacturing method 6 (H ~ 604 flow of optical recording medium manufacturing method

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Claims (1)

1251829 ^ ... _______ face 92107440 _ 月 日 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 Formed on one side of the optical recording substrate by sputtering; and an interface layer formed between the optical recording substrate and the hard coat protective layer by sputtering. 2. The optical recording medium of claim 1, wherein the optical recording substrate comprises: a substrate: the hard film protective layer and the interface layer are located on one side of the substrate: a protective layer And being formed on the other side of the substrate; and a reflective layer formed between the substrate and the protective layer. 3. The optical recording medium of claim 2, wherein the optical recording substrate further comprises: a recording layer formed between the substrate and the reflective layer. 4. The optical recording medium of claim 1, further comprising: a buffer layer formed between the interface layer and the hard coat layer. 5. The optical recording medium of claim 4, wherein the buffer layer is formed by sputtering. 1251829 _ Case No. 92107440_Yearly revision _6. Patent application scope 6. The optical recording medium according to claim 1, which is a CD ° 7, as described in item 1 of the patent application scope. An optical recording medium, which is a digital video disc (DVD). 8. An optical recording medium manufacturing method comprising: prefabricating an optical recording substrate; forming an interface layer on one side of the optical recording substrate by sputtering; and forming a hard layer on the side of the optical recording substrate by a splashing clock method A film protective layer, the interface layer is formed between the optical recording substrate and the hard coat protective layer. 9. The optical recording medium manufacturing method according to claim 8, wherein the optical recording substrate comprises: a substrate, the hard coat layer and the interface layer are formed on one side of the substrate; a protective layer, It is formed on the other side of the substrate; and a reflective layer is formed between the substrate and the protective layer. The optical recording medium manufacturing method according to claim 9, wherein the optical recording substrate further comprises: a recording layer formed between the substrate and the reflective layer. </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; A buffer layer is formed between the interface layer and the hard coat layer. The optical recording medium manufacturing method according to claim 11, wherein the buffer layer is formed by sputtering. Page 17 1251829 Case No. 92107440 Year of the month Amendment VI, designated representative figure (1), the representative figure of this case is · Figure 3 (2), the representative figure of the representative figure of the case is a simple description: 3 Optical recording medium 31 Substrate 3 11 Hole 33 reflective layer 35 protective layer 37 hard film protective layer 3 9 interface layer Page 4