公开(公告)号：JP2003331481A

公开(公告)日：2003-11-21

申请号：JP2002137372

申请日：2002-05-13

Applicant: Sony Corp ,  Sony Disc Technology Inc ,  ソニー株式会社 ,  株式会社ソニー・ディスクテクノロジー

Inventor： KIKUNO EIJIRO ,  AKIYAMA YUJI ,  MINEMURA KEN ,  YOSHIMURA HIDEAKI

IPC: G11B7/26

Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of optical recording media capable of simply exfoliating a stamper from a boundary face between the stamper and an intermediate layer made of a transfer member with high accuracy. SOLUTION: The stamper 10 of nearly a disk shape with a center hole formed to the center on one side of which a rugged shape for transferring an optical recording layer is provided, wherein a stepwise or tapered notch 10a is provided to corners of the rugged shape forming side and the inner all of the center hole, is formed, the intermediate layer 15 made of the transfer member and a disk substrate 11 are stacked on the rugged shape forming face of the stamper 10, and the intermediate layer 15 in the stacked state is solidified. Then a gas G with one atmospheric pressure or over is supplied to an air gap V the part of the inner wall of which is the stepwise or tapered notch 10a to exfoliate the stamper 10 from the boundary face between the stamper 10 and the intermediate layer 15 through the action of the gas G. Then the optical recording layer is formed to the rugged shape (15d) forming face of the intermediate layer 15 obtained by the transfer from the stamper 10. COPYRIGHT: (C)2004,JPO

Abstract translation: 解决的问题：提供一种光学记录介质的制造方法，其能够简单地从压模和由转印部件制成的中间层之间的边界面以高精度剥离压模。 解决方案：提供具有形成在其一侧的中心的中心孔的具有凹凸形状的用于传送光学记录层的近似圆盘形状的压模10，其中，逐步或锥形的切口10a设置在 形成凹凸形状侧和内部全部中心孔，由转印构件制成的中间层15和盘基板11堆叠在压模10的粗糙形状形成面上，中间层15在 堆叠状态凝固。 然后将一个大气压或以上的气体G供应到气隙V，内部壁的一部分是逐步或锥形的切口10a，以从压模10和中间层15之间的边界面剥离压模10 通过气体G的作用，光记录层形成为通过从压模10的转印获得的形成中间层15的表面的凹凸形状（15d）。（C）2004，JPO

公开(公告)号：JP2001167482A

公开(公告)日：2001-06-22

申请号：JP34909499

申请日：1999-12-08

Applicant: SONY CORP

Inventor： ARAKAWA NORIYUKI ,  KAWASE HIROSHI ,  MINEMURA KEN ,  NIHEI YASUTOKI ,  TOBIYAMA TAKEO ,  EJIMA KAZUYUKI

IPC: G11B7/26 ,  B29D11/00

Abstract: PROBLEM TO BE SOLVED: To provide a method and a device for manufacturing an optical recording medium, capable of rapidly heating the whole of a stumper uniformly to a specified heating temperature, improving the productivity of a disk substrate, and being realized by an inexpensive device. SOLUTION: A heat transfer heater 2 is incorporated in a base lock 1, an evacuation hole 4 is provided in a loading surface 1a having a nonconductive insulating film 3 formed, and a square stumper 5 having a disklike irregular pattern mold 5a such a pit, a groove or the like is placed on the loading surface 1a. By connecting electrode plates 7 and 7 to both ends of the stumper 5 and energizing the plates, the stumper 5 itself is heated by internal resistance, a disk substrate 10 is placed on the heated stumper 5, the disk substrate 10 is pressed by a pressurizer 11, and the irregular pattern of a pit or a groove is thermally transferred.

公开(公告)号：JP2000094480A

公开(公告)日：2000-04-04

申请号：JP26948698

申请日：1998-09-24

Applicant: SONY CORP

Inventor： ARAKAWA NORIYUKI ,  YAMAMOTO MASANOBU ,  AKIYAMA YUJI ,  MINEMURA KEN

IPC: B29C45/26 ,  B29C45/72 ,  B29L17/00

Abstract: PROBLEM TO BE SOLVED: To provide a molding die for disk-shaped recording medium for forming a disk base having very small recesses and projections on its surface and a little surface vibration. SOLUTION: A molding die is constituted of a fixed side mold 10 and a movable side mold 11. A fixed side plate temperature control circuit 37 is provided on a fixed side plate 6 of the fixed side mold 10, while a movable side mirror temperature control circuit 40 is provided on a movable side mirror 7 of the movable side mold 11. The fixed side mold 10 is provided with a thick plate stamper 1 constituted a stamper 2 formed of a thin sheet metal having recessed and projected signals and a thick metal plate 4 bonded together by plating 3.

公开(公告)号：JP2007001181A

公开(公告)日：2007-01-11

申请号：JP2005185075

申请日：2005-06-24

Applicant: SONY CORP

Inventor： ARAKAWA NORIYUKI ,  AKIYAMA SHOJI ,  MINEMURA KEN ,  YAMAMOTO MASANOBU

IPC: B29C45/73 ,  B29C45/37 ,  B29C45/78 ,  G11B7/26

Abstract: PROBLEM TO BE SOLVED: To provide an apparatus and a method for molding capable of molding a disc substrate having a small deformation by heat stress and molecular orientation for example and excellent in transfer property by controlling a surface region temperature of a mold stamper and cavity side. SOLUTION: Movable side heaters 41a-41c as a heating part are provided in a movable side platen 46b and stationary side heaters 51a-51c are provided in a stationary side platen 46a. This configuration enables controlling the surface region temperature of the cavity 47 side so as to lower the temperature from the inner circumference to the outer circumference. The disc substrate having a small deformation by heat stress and molecular orientation and excellent in transfer property can be molded by this control. COPYRIGHT: (C)2007,JPO&INPIT

公开(公告)号：JP2002240101A

公开(公告)日：2002-08-28

申请号：JP2001043522

申请日：2001-02-20

Applicant: SONY CORP

Inventor： NAKANO ATSUSHI ,  SHIMIZU JUN ,  MINEMURA KEN

IPC: B29C45/17 ,  B29C45/26 ,  B29C45/38 ,  B29C45/42 ,  B29D17/00 ,  G11B5/73 ,  G11B7/24 ,  G11B7/26 ,  G11B11/105 ,  G11B23/00

Abstract: PROBLEM TO BE SOLVED: To obtain a disk board having no flash at an edge of a center hole. SOLUTION: The disk board 23 comprises a straight part 24a and a tapered part 24b formed at a center hole 24, and a round surface or a C-shaped surface 24c formed at an edge of a signal transferring surface 22 side of the tapered part 24b. A mold apparatus is suitable for molding the disk board 23. A disk fetching device is provided.

公开(公告)号：JP2001338446A

公开(公告)日：2001-12-07

申请号：JP2000157991

申请日：2000-05-24

Applicant: SONY CORP

Inventor： NIHEI YASUTOKI ,  ARAKAWA NORIYUKI ,  KAWASE HIROSHI ,  MINEMURA KEN ,  TOBIYAMA TAKEO ,  EJIMA KAZUYUKI

IPC: B29C33/02 ,  G11B7/26

Abstract: PROBLEM TO BE SOLVED: To provide a device and a method for manufacturing an optical recording medium, by which the productivity of the optical recording medium can be enhanced by rapidly heating a stamper and rapidly cooling the stamper until the prescribed temperature. SOLUTION: This device 100 for manufacturing the optical recording medium is provided with a resin substrate 200, the stamper 120 for transferring the prescribed pattern 122 to the resin substrate 200, a heating means 140 for heating the stamper and a cooling means 160 for cooling the stamper so that the means 140 and 160 are made to retreat independently with respect to the stamper.

公开(公告)号：JP2005122803A

公开(公告)日：2005-05-12

申请号：JP2003355367

申请日：2003-10-15

Applicant: Sony Corp ,  ソニー株式会社

Inventor： KOSHIDA AKIO ,  NAKANO ATSUSHI ,  SHIMIZU JUN ,  SOTOZAKI KATSUYA ,  MINEMURA KEN

IPC: B29C45/38 ,  B29C45/40 ,  B29L17/00 ,  G11B7/24 ,  G11B7/26 ,  G11B23/00

Abstract: PROBLEM TO BE SOLVED: To attach a clamping plate to a disk substrate without using an adhesive and to eliminate the warpage of the disk substrate even when the clamping plate having a coefficient of linear expansion different from that of the disk substrate is disposed.
SOLUTION: A center hole 2 is formed at the center of the disk substrate, an information area 5 is formed on one principal surface of the disk substrate, a projecting and recessed signal pattern is formed in the information area 5 and the one principal surface 1a is specified to be a loading standard surface. A rib 11 which constitutes a recessed part 13 in the inside of which the clamping plate 12 is housed is integrally formed on the other principal surface 1b and on the periphery of the center hole 2 and the tip side of the rib 11 is deformed inside to attach the clamping plate 12, after the clamping plate 12 is disposed.
COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 要解决的问题：即使当设置具有与盘基板不同的线性膨胀系数的夹持板时，也可以不使用粘合剂将夹板附接到盘基板，并且消除盘基板的翘曲 。 解决方案：在盘基板的中心形成中心孔2，在盘基板的一个主表面上形成信息区5，在信息区5中形成突出和凹陷的信号图案， 主表面1a被指定为加载标准表面。 构成夹持板12的内侧的凹部13的肋11一体形成在另一个主面1b上和中心孔2的周围，并且肋11的前端侧内侧变形 在夹紧板12设置之后，安装夹板12。 版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2003305756A

公开(公告)日：2003-10-28

申请号：JP2002112342

申请日：2002-04-15

Applicant: Sony Corp ,  ソニー株式会社

Inventor： ARAKAWA NORIYUKI ,  MINEMURA KEN

IPC: B29C45/43 ,  B29C45/26 ,  B29C45/73 ,  B29C45/78 ,  B29L17/00 ,  G11B7/26

Abstract: PROBLEM TO BE SOLVED: To restrain deformation of an irregular pattern formed on a disc substrate for improving transferability from a stamper to the disc substrate. SOLUTION: The mold device is provided with a fixing side mold part 20, a movable side mold part 21 disposed opposite to the fixing side mold part 20, the stamper 26 disposed on the fixing side mold part 20 and an outer peripheral ring 22 constituting a cavity 23 together with the fixing side mold part 20 and the movable side mold part 21. Air for releasing the mold is blown into the cavity 23 from the outer peripheral ring 22 side to remove the disc substrate 2 from the cavity 23. COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：为了抑制形成在盘基片上的不规则图案的变形，以提高从压模到盘基片的转印性。 解决方案：模具装置设置有固定侧模具部件20，与固定侧模具部件20相对设置的可动侧模具部件21，设置在固定侧模具部件20上的压模26和外周环 22构成空腔23以及固定侧模具部件20和可动侧模具部件21.用于释放模具的空气从外周环22侧吹入空腔23，以从盘腔23中移除盘基片2。 版权所有（C）2004，JPO

公开(公告)号：JP2003203398A

公开(公告)日：2003-07-18

申请号：JP2002299030

申请日：2002-10-11

Applicant: SONY CORP

Inventor： ARAKAWA NORIYUKI ,  MINEMURA KEN

IPC: B29C59/02 ,  B29C43/02 ,  B29D17/00 ,  B29L17/00 ,  G11B5/725 ,  G11B5/84 ,  G11B7/24 ,  G11B7/26

Abstract: PROBLEM TO BE SOLVED: To provide a method of producing an information recording medium, capable of producing an information recording medium, such as an optical disk, having enhanced planarity with high productivity, and an information recording medium produced in such a manner. SOLUTION: A surface of a disk substrate 10 or a resin sheet constituting an information recording medium such as an optical disk is processed into satin-finish (S) in advance, and relief shapes are transferred to at least one satin-finished (S) surface of the disk substrate 10 or the resin sheet, heating and pressing the disk substrate or the resin sheet through compression molding using a stamper having the relief shapes. Then, a recording layer is formed on the relief shape surface of the disk substrate 10 or the resin sheet. In the case of the disk substrate, a coating layer is formed on the recording layer, and in the case of the resin sheet, the recording layer is stuck to a recording layer formed on the disk substrate in a different process. COPYRIGHT: (C)2003,JPO

公开(公告)号：JPH09123229A

公开(公告)日：1997-05-13

申请号：JP28419095

申请日：1995-10-31

Applicant: SONY CORP

Inventor： SHIMIZU JUN ,  MINEMURA KEN

IPC: B29C45/36 ,  B29C45/26 ,  B29C45/56 ,  G11B7/26 ,  G11B11/10 ,  G11B11/105

Abstract: PROBLEM TO BE SOLVED: To attempt to prevent the transfer failure of an uneven pattern such as the pit or groove formed at a stamper and to perform the improvement in the productivity. SOLUTION: This mold apparatus 10 for molding a disk-like recording medium board 1, comprises a fixed mold 11 having a stamper 19 mounted thereat, and a movable mold 12 separably disposed oppositely at the mold 11 to constitute a cavity 13 for molding both the surfaces of the board 1. The apparatus 10 further comprises an outer peripheral mold 21 drivably contained in the outer peripheral mold container 23 provided in the mold 12 and opposed to the mold 11 to mold the outer periphery of the board, and outer peripheral mold driving means for operating to separate the mold 21 from the mold 11. The mold 21 is held in the state opposed to the mold 11 between the mold clamping step and the cooling step by the driving means, and operated to be separated from the mold 12 preferentially to the mold opening operation of the mold 12 on the way of the cooling step.