WO2011113226A1 - 蓝光光盘压模设备 - Google Patents

蓝光光盘压模设备 Download PDF

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Publication number
WO2011113226A1
WO2011113226A1 PCT/CN2010/073312 CN2010073312W WO2011113226A1 WO 2011113226 A1 WO2011113226 A1 WO 2011113226A1 CN 2010073312 W CN2010073312 W CN 2010073312W WO 2011113226 A1 WO2011113226 A1 WO 2011113226A1
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WO
WIPO (PCT)
Prior art keywords
outer ring
mold device
optical disk
ring member
optical disc
Prior art date
Application number
PCT/CN2010/073312
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English (en)
French (fr)
Inventor
杨明生
谢威武
范继良
Original Assignee
东莞宏威数码机械有限公司
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Application filed by 东莞宏威数码机械有限公司 filed Critical 东莞宏威数码机械有限公司
Publication of WO2011113226A1 publication Critical patent/WO2011113226A1/zh

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • B29C33/424—Moulding surfaces provided with means for marking or patterning

Definitions

  • the present invention relates to an optical disc production system, and more particularly to a Blu-ray disc compression molding apparatus. Background technique
  • Blue-ray Disc (abbreviated as BD) is a large-capacity optical disc storage technology. It is one of the mainstream technologies of the next generation of optical storage technology. Its basic structure is 1.1mm substrate +0. lmm protective layer.
  • BD Blu-ray disc a typical preparation method is to first produce a l.lmm BD blue substrate having a first information layer by a standard injection molding and sputtering process, and then press the Blu-ray disc compression molding apparatus to form a second.
  • the information layer in particular, is thinly coated on the first information layer of the BD substrate with a glue that has not been cured for forming the second information layer pit, and then pressed onto the pit of the second information layer. After the mold was hardened, the mold was removed, a second information layer was formed on the BD substrate, and finally a protective layer having a thickness of 0.1 mm was formed to obtain a complete BD Blu-ray disc.
  • the information of the master with the information layer that is, the master
  • the information of the master with the information layer that is, the master
  • FIG. 1 after the optical disc is stamped by the existing Blu-ray disc compression molding apparatus, it is difficult to maintain the uniformity of the information layer of the BD disc from the inside to the outside, so that the edge of the BD disc 10 has the protrusion 10a.
  • the BD disc is difficult to read the information layer when reading, that is, the disc phenomenon occurs when the BD disc is played, so that the BD disc cannot meet the qualified requirements of the finished product.
  • An object of the present invention is to provide a Blu-ray disc compression molding apparatus which can better maintain the flatness of an optical disc, improve the quality of the stamper of the optical disc, and save cost.
  • the technical solution of the present invention is: Provided to provide a Blu-ray disc compression molding apparatus, comprising: a control device and a matching movable mold device and a fixed mold device, wherein the control device is connected to the movable mold device and controls the control device
  • the movable mold device is press-fitted with or separated from the fixed mold device, the movable mold device is located directly above the fixed mold device, and the fixed mold device includes a base, a press block, and a glass plate carrying the optical disk to be pressed, the glass plate is fixedly connected to the base, a gasket is disposed between the glass plate and the optical disk, and the optical disk is carried on the gasket, the pressure a block is fixed on the base and is in contact with an edge of the spacer, and the
  • the difference between the inner ring diameter of the outer ring member and the outer ring diameter of the optical disk is between 0.2 mm and 1.0 mm.
  • the distance is set to ensure that there is a gap between the outer ring member and the outer edge of the optical disc, which facilitates the pick-and-place of the optical disc and prevents the optical disc from being scratched.
  • the outer ring member has an outer ring diameter that is less than or equal to the outer ring diameter of the master disk.
  • the outer ring member is placed in the pressing region of the master when the movable mold device is pressed against the fixed mold device.
  • the outer ring member includes a horizontal support portion, and is bent outwardly and downwardly along the horizontal support portion to form a fixing portion, and the pressing block is pressed at a fixing portion of the outer ring member.
  • the support portion of the outer ring member is laid on the spacer and the upper surface is in the same plane as the upper surface of the optical disc. The outer ring member is firmly fixed to the gasket by the pressing block, thereby preventing the outer ring member from being displaced during the demolding of the stamper, and improving the quality of the stamper.
  • the spacer is a silicone pad.
  • the silicone pad has excellent resistance to high and low temperature, and is waterproof, anti-corrosive, anti-aging, non-toxic, tasteless and elastic. It is placed between the disc and the glass plate to cushion the disc and to withstand and relieve the dynamic mold. The pressure exerted by the device when the clamping device is pressed down further protects the optical disc and improves the quality of the stamper.
  • the outer ring member is formed of a Teflon material and integrally formed with the gasket, and the outer ring member and the gasket are integrally formed, which is beneficial to cost saving, simple structure, strong practicability, and Teflon Have no
  • the adhesiveness and the better stability and the wear resistance and the corrosion resistance enhance the service life of the outer ring member, and the outer ring member has a high use value, thereby further ensuring the stamping quality of the optical disc.
  • the Blu-ray disc compression molding apparatus of the present invention adds an annular outer ring member to the outer edge of the optical disc to be pressed, the outer ring member is coaxial with the optical disc and along the optical disc. The outer edge is laid on the spacer, and the inner ring diameter of the outer ring member is larger than the outer ring diameter of the optical disc. The gap between the outer ring member and the optical disc facilitates the access of the optical disc to prevent the optical disc from being scratched.
  • the upper surface of the outer ring member is in the same plane as the upper surface of the optical disc, and the pressing area is enlarged by the outer ring member, which increases the diameter of the optical disc equivalently, so that the optical disc has a virtual outer ring area, and The outer ring area of the original optical disc becomes the inner ring area, so that the deformation generated when the master disc is pressed to the optical disc is transferred to the area to which the outer disc member belongs, thereby effectively preventing the unevenness of the edge information layer after the optical disc is pressed. Phenomenon, better maintain the flatness of the optical disc, ensure the quality of the compression molding of the optical disc while saving cost, and improve the readability of the optical disc.
  • Fig. 1 is a schematic view showing the structure of an optical disk after compression molding using a conventional Blu-ray disc compression molding apparatus.
  • 2 is a schematic view showing the structure of a Blu-ray disc compression molding apparatus of the present invention.
  • Figure 3 is an enlarged view of a portion A in Figure 2.
  • the Blu-ray disc compression molding apparatus adds an annular outer ring member coaxial with the optical disc in the fixed mold device, and the outer ring member is laid on the spacer along the outer edge of the optical disc, the outer ring member
  • the inner ring diameter is larger than the outer ring diameter of the optical disk, and the upper surface of the outer ring member is in the same plane as the upper surface of the optical disk.
  • the pressing area is enlarged by the outer ring member, the deformation region generated by the stamper is effectively transferred, the deformation of the optical disc during the molding process is avoided, the flatness of the optical disc is maintained, the quality of the optical disc is ensured while the cost is saved, and the optical disc is readable. Sex.
  • the Blu-ray disc compression molding apparatus of the present invention includes a control device (not shown) and a movable movable mold device 100 and a fixed mold device 200, and the control device is connected to and controlled by the movable mold device 100.
  • the movable mold device 100 is pressed or separated from the fixed mold device 200, and the control device can select a servo motor as a source power, and drive the dynamic mold through a synchronous belt drive and a screw drive.
  • the master 110 on the apparatus 100 moves toward the fixed mode device 200 until the movable mold device 100 comes into contact with the fixed mold device 200.
  • the movable mold device 100 is located directly above the fixed mold device 200.
  • the fixed mold device 200 includes a base 210, a pressing block 220, an outer ring member 230, and a glass plate 250 for carrying the optical disc 240 to be pressed.
  • the glass plate 250 is fixedly connected to the base 210.
  • a spacer 260 is disposed between the glass plate 250 and the optical disk 240.
  • the optical disk 240 is carried on the spacer 260, and the pressing block 220 is Fixed on the base 210, the outer ring member 230 is located between the spacer 260 and the pressing block 220, one end of the pressing block 220 presses the outer ring member 230 and the pressing block 220
  • the upper surface is lower than the upper surface of the optical disk 240.
  • the outer ring member 230 is firmly fixed to the spacer 260 by the pressing block 220, preventing the outer ring member 230 from being misaligned during the pressing or demolding process, thereby improving the quality of the stamper.
  • the movable mold device 100 is provided with a master 110 coaxial with the optical disc 240, and the master 110 and the optical disc 240 are located between the fixed mold device 200 and the movable mold device 100, and the The optical disk 240 is opposed to the master 110, and the master 110 is used to suppress information channels.
  • the outer ring member 230 is annular, the spacer 260 is circular or annular, and the diameter of the spacer 260 is larger than the diameter of the optical disk 240.
  • the inner ring diameter of the outer ring member 230 is larger than the optical disk 240.
  • the outer ring member 230 is coaxial with the optical disk 240 and is laid on the spacer 260 along the outer edge of the optical disk 240.
  • the upper surface of the outer ring member 230 and the optical disk 240 The upper surfaces are on the same plane.
  • the outer ring member 230 includes a horizontal support portion 232, and is bent outwardly and downwardly along the horizontal support portion 232 to form a fixing portion 234.
  • the block 220 is pressed against the fixing portion 234 of the outer ring member 230.
  • the support portion 232 of the outer ring member 230 is laid on the spacer 260 and the upper surface is in the same plane as the upper surface of the optical disk 240.
  • the inner ring diameter of the outer ring member 230 is larger than the outer ring diameter of the optical disk 240.
  • the difference D between the inner ring diameter of the outer ring member 230 and the outer ring diameter of the optical disk 240 is between 0.2 mm and 1.0 mm.
  • the outer ring member 230 has an outer ring diameter that is less than or equal to the outer ring diameter of the master disk 110.
  • the outer ring member 230 is placed on the master 110 when the movable mold device 100 is pressed against the fixed mold device 200. within the area.
  • the inner ring diameter of the annular outer ring member 230 should be between 120.2 mm and 121 mm.
  • the outer ring diameter is between 122 mm and 138 mm
  • the outer ring member 230 has an edge of no more than 138 mm because the diameter of the movable mold device on which the master disk is placed is 138 mm; corresponding to the 80 mm diameter optical disk, the ring
  • the outer ring member 230 has an inner ring diameter of between 80.2 mm and 81 mm and an outer ring diameter of between 82 mm and 100 mm.
  • the outer ring member 230 is formed of a Teflon material and integrally formed with the gasket 260, and the outer ring member 230 and the gasket 260 are integrally formed, which is advantageous for cost saving, simple structure and practicality. Strong, and Teflon has non-stickiness and good stability and is resistant to wear and corrosion, can effectively enhance the service life of the outer ring member 230, and the outer ring member 230 has high use value, further The quality of the stamper of the optical disc 240 is guaranteed.
  • the spacer 260 is a silicone pad, and the silicone pad has excellent high and low temperature resistance, and is characterized by waterproof, anti-corrosion, anti-aging, non-toxic, tasteless and elastic, and is disposed on the optical disc 240 and the glass plate 250.
  • the optical disk 240 is buffered, and the pressure exerted by the buffering movable mold device 100 when the clamping device 200 is pressed down is received and compressed, and the optical disk 240 is further protected to improve the quality of the stamper.
  • the optical disc 240 is placed on the spacer 260 on the glass plate 250, and the glue layer is spin-coated on the surface of the optical disc to be molded, and the control device drives the master on the movable mold device 100.
  • the outer edge of the optical disc 240 is provided with an annular outer ring member 230, the upper surface of the outer ring member 230 is in the same plane as the upper surface of the optical disc 240, and the master 110 simultaneously presses the outer ring member 230, thereby expanding
  • the pressing area is equivalently increased in diameter of the optical disk 240 such that the optical disk 240 has a virtual outer ring area, and the outer ring area of the original optical disk 240 becomes the inner ring area, and the outer fulcrum of the stamp is moved outward.
  • the ring member 230 is disposed, so that the deformation generated when the master disk 110 presses the optical disk 240 is transferred to the area of the outer ring member 230 of the optical disk 240, thereby effectively preventing the edge information layer from being uneven after the pressing of the optical disk 240, and ensuring the optical disk 240.
  • the information layer formed on the surface can maintain uniformity, better maintain the flatness of the optical disk 240, ensure the quality of the stamping of the optical disk 240 while saving cost, and improve the readability of the optical disk 240.
  • the glue on the optical disk 240 is pressed, the glue is cured by a UV curing device to form an information layer.

Description

蓝光光盘压模设备 技术领域
本发明涉及光盘生产系统， 更具体地涉及一种蓝光光盘压模设备。 背景技术
随着光存储媒介信息容量的不断扩大， 其生产光存储媒介的生产技术也 蓬勃发展， 在诸多的光盘格式中几乎每种格式光盘生产都会用到压模技术。 蓝 光光盘（Blue-ray Disc, 缩写为 BD )是一种超大容量的光盘存储技术， 是下一 代光存储技术的主流技术之一， 其基本结构是 1.1mm基板 +0. lmm保护层。 在 制作双层 BD蓝光光盘时，一种典型的制备方法是首先通过标准的注塑和溅镀工 艺生产出具有第一信息层的 l.lmmBD蓝光基板，然后通过蓝光光盘压模设备压 制形成第二信息层，具体地，在 BD基板的第一信息层上薄薄地涂上一层可用于 形成第二信息层坑纹的还没有固化的胶水， 再压上已经压出第二信息层凹坑的 模具， 使其发生硬化后取下模具， 在 BD基板上便形成了第二信息层， 最后再形 成厚 0.1mm的保护层， 就得到了完整的 BD蓝光盘片。
在压合形成 BD盘片的第二信息层时，要把带有信息层的模具即母盘的信息 完全复制到 BD盘片的第二信息层中，就需要提供精确的蓝光光盘压模设备。如 图 1所示，利用现有的蓝光光盘压模设备对光盘进行压模后，难以使 BD光盘信 息层从内至外保持均勾的一致性， 从而使 BD光盘 10的边缘出现凸起 10a, 导 致 BD光盘在读取时难以读取该信息层即在播放 BD盘片时出现卡碟现象， 使 BD光盘无法满足成品合格要求。
因此， 急需一种改进的蓝光光盘压模设备来克服上述缺陷。 发明内容
本发明的目的在于提供一种能较好保持光盘的平面度、 提高光盘的压模质 量且节约成本的蓝光光盘压模设备。 为实现上述目的， 本发明的技术方案为： 提供一种蓝光光盘压模设备， 包 括控制装置及相互配合的动模装置和定模装置， 所述控制装置与所述动模装置 相连并控制所述动模装置与所述定模装置压合或与所述定模装置分离， 所述动 模装置位于所述定模装置的正上方， 所述定模装置包括基座、 压块及用于承载 待压制的光盘的玻璃板， 所述玻璃板与所述基座固定连接， 所述玻璃板与所述 光盘之间设有垫片， 所述光盘承载于所述垫片上， 所述压块固定在所述基座上 并与所述垫片的边缘 ·ί氐触， 所述动模装置上设置有与所述光盘同轴的母盘， 所 述母盘与所述光盘位于所述定模装置与所述动模装置之间且所述光盘与所述母 盘正对， 其中， 所述定模装置还包括有呈环形的外圈件， 所述外圈件的内环直 径大于所述光盘的外环直径， 所述外圈件与所述光盘同轴并沿所述光盘的外边 缘铺设在所述垫片上， 所述外圈件的上表面与所述光盘的上表面位于同一平面。
较佳地，所述外圈件的内环直径与所述光盘的外环直径的差值介于 0.2毫米 至 1.0毫米之间。通过该距离的设定以保障所述外圈件与光盘外边缘之间留有间 隙， 便于光盘的取放， 防止划损光盘。
较佳地， 所述外圈件的外环直径小于或等于所述母盘的外环直径。 使所述 外圈件在所述动模装置与定模装置压合时位于母盘的压制区域内。
较佳地， 所述外圈件包括呈水平的支撑部， 沿所述水平的支撑部向外并向 下弯折形成固定部， 所述压块压于所述外圈件的固定部处， 所述外圈件的支撑 部铺设在所述垫片上且上表面与所述光盘的上表面位于同一平面。 通过所述压 块使所述外圈件稳固地固定在垫片上， 防止外圈件在压模脱模过程中产生错位， 提高压模质量。
较佳地， 所述垫片为硅胶垫。 硅胶垫具有优良的耐高低温性能， 集防水、 抗腐蚀、 耐老化、 无毒无味弹性强等特点于一身， 设置于光盘和玻璃板之间， 对光盘起緩冲作用， 承受并緩解动模装置在下压定模装置时所带来的压力， 进 一步保护光盘， 提高压模质量。
较佳地， 所述外圈件由特氟龙材质形成且与所述垫片一体成型， 外圈件与 垫片一体成型， 有利于节约成本， 且结构简单， 实用性强， 并且特氟龙具有不 粘性及较好的稳定性且耐磨损同时耐腐蚀， 增强了所述外圈件的使用寿命， 使 所述外圈件具有较高使用价值 , 进一步保障了光盘的压模质量。
与现有技术相比， 由于本发明的蓝光光盘压模设备在待压制的光盘的外边 缘增设了呈环形的外圈件， 所述外圈件与所述光盘同轴并沿所述光盘的外边缘 铺设在所述垫片上， 所述外圈件的内环直径大于所述光盘的外环直径， 通过外 圈件与光盘之间的间隙， 方便光盘取放， 防止光盘划损。 所述外圈件的上表面 与所述光盘的上表面位于同一平面， 通过所述外圈件扩大了压制区域， 等效加 大了光盘的直径， 从而使得光盘具有虚拟的外圈区域， 而原来的光盘的外圈区 域变成了内圈区域， 从而使母盘压制光盘时所产生的变形转移到光盘外圈件所 属的区域上， 有效避免光盘在压模后出现边缘信息层不均勾现象， 较好地保持 光盘的平面度， 保证光盘的压模质量同时节约成本， 且提高了光盘的可读性。 附图说明
图 1是利用现有的蓝光光盘压模设备对光盘进行压模后的结构示意图。 图 2是本发明蓝光光盘压模设备的结构示意图。
图 3是图 2中 A部分的放大图。 具体实施方式
为了详细说明本发明的技术内容、 构造特征， 以下结合实施方式并配合附 图作进一步说明， 其中不同图中相同的标号代表相同的部件。 如上所述本发明 提供的蓝光光盘压模设备在定模装置中增设与光盘同轴的环形的外圈件， 所述 外圈件沿光盘的外边缘铺设在垫片上， 所述外圈件的内环直径大于所述光盘的 外环直径， 外圈件的上表面与光盘的上表面位于同一平面。 通过外圈件扩大压 制区域， 有效转移压模产生的变形区域， 避免光盘在压模过程中产生的变形， 保持光盘的平面度， 保证光盘的压模质量同时节约成本， 提高了光盘的可读性。
参考图 2, 本发明的蓝光光盘压模设备包括控制装置 (图未示 )及相互配合 的动模装置 100和定模装置 200,所述控制装置与所述动模装置 100相连并控制 所述动模装置 100与所述定模装置 200压合或与所述定模装置 200分离， 所述 控制装置可以选择以伺服电机为源动力， 通过同步带传动和螺杆传动等， 带动 动模装置 100上的母盘 110向所述定模装置 200运动， 直到所述动模装置 100 与所述定模装置 200接触。 所述动模装置 100位于所述定模装置 200的正上方， 所述定模装置 200包括基座 210、 压块 220、 外圈件 230及用于承载待压制的光 盘 240的玻璃板 250, 所述玻璃板 250与所述基座 210固定连接， 所述玻璃板 250与所述光盘 240之间设有垫片 260, 所述光盘 240承载于所述垫片 260上， 所述压块 220固定在所述基座 210上， 所述外圈件 230位于所述垫片 260与所 述压块 220之间， 所述压块 220的一端压制所述外圈件 230且所述压块 220的 上表面低于所述光盘 240的上表面。 通过所述压块 220使所述外圈件 230稳固 地固定在垫片 260上， 防止外圈件 230在压模或脱模过程中产生错位， 提高压 模质量。 所述动模装置 100上设置有与所述光盘 240同轴的母盘 110, 所述母盘 110与所述光盘 240位于所述定模装置 200与所述动模装置 100之间且所述光盘 240与所述母盘 110正对， 所述母盘 110用于压制信息坑道。 所述外圈件 230呈 环形， 所述垫片 260为圓形或环形且所述垫片 260的直径大于所述光盘 240的 直径， 所述外圈件 230的内环直径大于所述光盘 240的外环直径， 所述外圈件 230与所述光盘 240同轴并沿所述光盘 240的外边缘铺设在所述垫片 260上，所 述外圈件 230的上表面与所述光盘 240的上表面位于同一平面。
参考图 3 , 在本发明的一实施例中， 所述外圈件 230 包括呈水平的支撑部 232, 沿所述水平的支撑部 232向外并向下弯折形成固定部 234, 所述压块 220 压于所述外圈件 230的固定部 234处， 所述外圈件 230的支撑部 232铺设在所 述垫片 260上且上表面与所述光盘 240的上表面位于同一平面。 具体地， 所述 外圈件 230的内环直径大于所述光盘 240的外环直径。 所述外圈件 230的内环 直径与所述光盘 240的外环直径的差值 D介于 0.2毫米至 1.0毫米之间。所述外 圈件 230与光盘 240外边缘之间留有间隙， 便于光盘 240的取放， 防止划损光 盘 240。 所述外圈件 230的外环直径小于或等于所述母盘 110的外环直径。 使所 述外圈件 230在所述动模装置 100与定模装置 200压合时位于母盘 110的压制 区域内。常见的 BD光盘有两种，分别为直径为 120毫米的及直径为 80毫米的， 对应 120毫米直径的光盘，所述环形的外圈件 230的内环直径应在 120.2毫米至 121毫米之间， 其外环直径在 122毫米至 138毫米之间， 外圈件 230的边缘不超 过 138毫米， 因为安放有母盘的动模装置的直径是 138毫米； 对应 80毫米直径 的光盘， 所述环形的外圈件 230的内环直径应在 80.2毫米至 81毫米之间， 其外 环直径在 82毫米至 100毫米之间。
较佳地， 所述外圈件 230由特氟龙材质形成且与所述垫片 260—体成型， 外圈件 230与垫片 260—体成型， 有利于节约成本， 且结构简单， 实用性强， 并且特氟龙具有不粘性及较好的稳定性且耐磨损同时耐腐蚀， 能有效增强所述 外圈件 230的使用寿命， 使所述外圈件 230具有较高使用价值， 进一步保障了 光盘 240的压模质量。
较佳地， 所述垫片 260为硅胶垫， 硅胶垫具有优良的耐高低温性能， 集防 水、 抗腐蚀、 耐老化、 无毒无味弹性强等特点于一身， 设置于光盘 240和玻璃 板 250之间， 对光盘 240起緩冲作用， 承受并压缩緩冲动模装置 100在下压定 模装置 200时所带来的压力， 进一步保护光盘 240, 提高压模质量。
本发明的蓝光光盘压模设备压模时， 光盘 240安放在玻璃板 250上的垫片 260上， 在光盘的待压模表面上旋涂胶水层， 控制装置带动动模装置 100上的母 盘 110向所述定模装置 200运动， 直到所述动模装置 100与所述定模装置 200 接触， 将动模装置 100上的母盘 110的信息层压合到所述光盘 240的胶水层上。 由于光盘 240的外边缘增设了环形的外圈件 230,所述外圈件 230的上表面与所 述光盘 240的上表面位于同一平面， 母盘 110同时压制所述外圈件 230, 从而扩 大了压制区域， 等效加大了光盘 240的直径， 使得光盘 240具有虚拟的外圈区 域， 而原来的光盘 240 的外圈区域变成了内圈区域， 压模的外部支点向外移到 外圈件 230处， 从而使母盘 110压制光盘 240时所产生的变形转移到光盘 240 的外圈件 230所属的区域上， 有效避免光盘 240在压合后产生边缘信息层不均 匀， 确保光盘 240表面形成的信息层能保持均勾一致， 较好地保持光盘 240的 平面度， 保证光盘 240的压模质量同时节约成本， 且提高了光盘 240的可读性。 光盘 240上的胶水被压制后通过 UV固化装置固化胶水形成信息层。 以上所揭露的仅为本发明的较佳实例而已， 当然不能以此来限定本发明之 权利范围， 因此依本发明权利要求所作的等同变化， 仍属于本发明所涵盖的范 围。

Claims

权 利 要 求
1. 一种蓝光光盘压模设备， 包括控制装置及相互配合的动模装置和定模装 置， 所述控制装置与所述动模装置相连并控制所述动模装置与所述定模装置压 合或与所述定模装置分离， 所述动模装置位于所述定模装置的正上方， 所述定 模装置包括基座、 压块及用于承载待压制的光盘的玻璃板， 所述玻璃板与所述 基座固定连接， 所述玻璃板与所述光盘之间设有垫片， 所述光盘承载于所述垫 片上， 所述压块固定在所述基座上并与所述垫片的边缘 ·ί氐触， 所述动模装置上 设置有与所述光盘同轴的母盘， 所述母盘与所述光盘位于所述定模装置与所述 动模装置之间且所述光盘与所述母盘正对， 其特征在于， 所述定模装置还包括 有呈环形的外圈件， 所述外圈件的内环直径大于所述光盘的外环直径， 所述外 圈件与所述光盘同轴并沿所述光盘的外边缘铺设在所述垫片上， 所述外圈件的 上表面与所述光盘的上表面位于同一平面。
2. 如权利要求 1所述的蓝光光盘压模设备， 其特征在于， 所述外圈件的内 环直径与所述光盘的外环直径的差值介于 0.2毫米至 1.0毫米之间。
3. 如权利要求 2所述的蓝光光盘压模设备， 其特征在于， 所述外圈件的外 环直径小于或等于所述母盘的外环直径。
4. 如权利要求 1所述的蓝光光盘压模设备， 其特征在于， 所述外圈件包括 呈水平的支撑部， 沿所述水平的支撑部向外并向下弯折形成固定部， 所述压块 压于所述外圈件的固定部处， 所述外圈件的支撑部铺设在所述垫片上且上表面 与所述光盘的上表面位于同一平面。
5. 如权利要求 1所述的蓝光光盘压模设备， 其特征在于， 所述垫片为硅胶 塾。
6. 如权利要求 5所述的蓝光光盘压模设备， 其特征在于， 所述外圈件由特 氟龙材质形成且与所述垫片一体成型。
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