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21. 发明授权

US6146733A Optical recording medium 失效
标题翻译：光记录介质
公开(公告)号：US6146733A
公开(公告)日：2000-11-14
申请号：US212866
申请日：1998-12-17
申请人： Hiroyasu Inoue , Tatsuya Kato , Hajime Utsunomiya
发明人： Hiroyasu Inoue , Tatsuya Kato , Hajime Utsunomiya
IPC分类号： G11B7/006 , G11B7/007 , G11B7/24 , G11B7/243 , G11B7/252 , G11B7/254 , G11B7/257 , B32B3/02
CPC分类号： G11B7/257 , G11B7/24 , G11B7/243 , G11B7/252 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/2571 , G11B2007/25713 , G11B2007/25715 , G11B2007/25716 , G11B7/006 , G11B7/00718 , Y10S428/913 , Y10S430/142 , Y10T428/21
摘要： A phase change type optical recording medium comprises a dielectric layer 1a, a dielectric layer 1b, a phase change type recording layer and a second dielectric layer in the described order. The recording layer satisfies Ac/Aa.gtoreq.0.8 where Ac is an absorption coefficient of the recording layer in a crystalline region and Aa is an absorption coefficient of the recording layer in an amorphous region. The dielectric layer 1a comprises ZnS--SiO.sub.2 as main components and the dielectric layer 1b comprises a metal nitride or ZnS--SiO.sub.2 having an SiO.sub.2 content of 40 to 80 mol % as main components. At least an area of the second dielectric layer that is in contact with the recording layer comprises a metal nitride, a rare earth oxide, silicon oxide or ZnS--SiO.sub.2 having an SiO.sub.2 content of at least 40 mol% as main components. However, an optical recording medium comprising a dielectric layer 1a having an SiO.sub.2 content of 2 mol % to less than 40 mol % and a second dielectric layer having an SiO.sub.2 content of 40 to 80 mol % is precluded from the invention.
摘要翻译：相变型光记录介质包括介电层1a，电介质层1b，相变型记录层和第二电介质层。记录层满足Ac / Aa> / = 0.8，其中Ac是结晶区中记录层的吸收系数，Aa是非晶区中记录层的吸收系数。电介质层1a包括ZnS-SiO 2作为主要成分，电介质层1b包含SiO2含量为40〜80mol％的金属氮化物或ZnS-SiO 2为主要成分。与记录层接触的第二电介质层的至少一个区域包括SiO 2含量为至少40mol％作为主要成分的金属氮化物，稀土氧化物，氧化硅或ZnS-SiO 2。然而，本发明不包括具有2mol％至小于40mol％的SiO2含量的介电层1a和SiO含量为40至80mol％的第二介电层的光学记录介质。

22. 发明申请

US20060072409A1 Optical recording medium 失效
公开(公告)号：US20060072409A1
公开(公告)日：2006-04-06
申请号：US10519282
申请日：2003-06-27
申请人： Tatsuya Kato , Tatsuhiro Kobayashi , Hiroyasu Inoue
发明人： Tatsuya Kato , Tatsuhiro Kobayashi , Hiroyasu Inoue
IPC分类号： G11B7/00
CPC分类号： G11B7/1267 , G11B7/0045
摘要： It is an object of the present invention to provide a method for determining the power of a laser beam which can determine the recording power of the laser beam so that jitter of a reproduced signal obtained by reproducing data recorded in a data rewritable type optical recording medium can be controlled within a tolerance even when cross erasing of data occurs and that the reproduced signal having the highest level can be obtained. The method for determining the power of a laser beam according to the present invention includes the steps of recording a first test signal in a data rewritable type optical recording medium while varying a level of the recording power of the laser beam, measuring, for each of the levels of the recording power of the laser beam, an amplitude A0 of a reproduced signal obtained by reproducing the first test signal before the first test signal is influenced by cross erasing of data, an amplitude A1 and jitter J1 of a reproduced signal obtained by reproducing the first test signal after the first test signal was once influenced by cross erasing of data and an amplitude As and jitter Js of a reproduced signal obtained by reproducing the first test signal after an influence of cross erasing of data on the first test signal was saturated, calculating a first parameter for each of the levels of the recording power of the laser beam as a function of the difference between the amplitude A0 of the reproduced signal obtained by reproducing the first test signal before the first test signal is influenced by cross erasing of data and the amplitude A1 of the reproduced signal obtained by reproducing the first test signal after the first test signal was once influenced by cross erasing of data, calculating a second parameter for each of the levels of the recording power of the laser beam as a function of the difference between the amplitude A1 of the reproduced signal obtained by reproducing the first test signal after the first test signal was once influenced by cross erasing of data and the amplitude As of the reproduced signal obtained by reproducing the first test signal after the influence of cross erasing of data on the first test signal was saturated, calculating a third parameter for each of the levels of the recording power of the laser beam as a function of the difference between the jitter Js of the reproduced signal obtained by reproducing the first test signal after the influence of cross erasing of data on the first test signal was saturated and the jitter J1 of the reproduced signal obtained by reproducing the first test signal after the first test signal was once influenced by cross erasing of data, obtaining a value of the first parameter corresponding to a value of the second parameter when the third parameter is equal to a tolerance, thereby determining a critical parameter, recording a second test signal in the data rewritable type optical recording medium while varying a level of the recording power of the laser beam, judging whether or not signal characteristics of a reproduced signal obtained by reproducing the second test signal recorded in the data rewritable type optical recording medium satisfy reference conditions, measuring, for each of the levels of the recording power of the laser beam, when the signal characteristics of the reproduced signal obtained by reproducing the second test signal recorded in the data rewritable type optical recording medium satisfy the reference conditions, an amplitude AA0 of the reproduced signal obtained by reproducing the second test signal before the second test signal is influenced by cross erasing of data and an amplitude AA1 of the reproduced signal obtained by reproducing the second test signal after the first test signal was once influenced by cross erasing of data, calculating a fourth parameter based on the amplitudes AA0 and AA1 of the reproduced signals obtained by reproducing the second test signals as a function of the difference between the amplitude AA0 of the reproduced signal obtained by reproducing the second test signal before the second test signal is influenced by cross erasing of data and the amplitude AA1 of the reproduced signal obtained by reproducing the second test signal after the first test signal was once influenced by cross erasing of data, comparing the critical parameter and the fourth parameter, and determining the recording power of the laser beam at which the fourth parameter was obtained as an optimum recording power when the fourth parameter is equal to or lower than the critical parameter.

23. 发明授权

US06605328B2 Optical recording medium 有权
公开(公告)号：US06605328B2
公开(公告)日：2003-08-12
申请号：US09886258
申请日：2001-06-22
申请人： Hiroshi Shingai , Hiroyasu Inoue , Tatsuya Kato , Hajime Utsunomiya , Yoshitomo Tanaka
发明人： Hiroshi Shingai , Hiroyasu Inoue , Tatsuya Kato , Hajime Utsunomiya , Yoshitomo Tanaka
IPC分类号： B32B302
CPC分类号： G11B7/2433 , G11B7/2534 , G11B7/2542 , G11B7/256 , G11B7/2578 , G11B7/259 , G11B2007/24306 , G11B2007/2431 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/25708 , G11B2007/2571 , G11B2007/25713 , G11B2007/25715 , G11B2007/25716 , Y10T428/21
摘要： In an optical recording medium comprising a phase change recording layer (4) containing Sb and optionally, Te and/or In as a main component, the recording layer is able to be crystallized to provide a crystallized region which contains rhombohedral crystals consisting essentially of Sb and is substantially free of a crystal phase other than the rhombohedral crystals. When the recording layer contains a rare earth element, Zr, Hf, Ti or Sn as an auxiliary component, the medium has a dielectric layer (31) composed of silicon oxide, silicon nitride, aluminum oxide, or a mixture of zinc sulfide and at least 30 mol % of silicon oxide, disposed contiguous to and in front of the recording layer (4) as viewed from the recording/reading beam incident side. The medium has a high transfer rate and improved thermal stability.

24. 发明授权

US6040030A Optical recording medium 失效
标题翻译：光记录介质
公开(公告)号：US6040030A
公开(公告)日：2000-03-21
申请号：US153294
申请日：1998-09-15
申请人： Hajime Utsunomiya , Tatsuya Kato , Hiroyasu Inoue
发明人： Hajime Utsunomiya , Tatsuya Kato , Hiroyasu Inoue
IPC分类号： G11B7/00 , G11B7/0045 , G11B7/005 , G11B7/0055 , G11B7/006 , G11B7/007 , G11B7/125 , G11B7/30 , B32B3/00
CPC分类号： G11B7/006 , G11B7/00718 , G11B7/00454 , G11B7/00557 , Y10S428/913 , Y10S430/146 , Y10T428/21
摘要： A method for recording/reproducing an optical recording medium of phase change type is provided. The method enables a high density recording while increase in the cross erase is suppressed. The method also enables an accurate tracking while increase in the crosstalk is suppressed. The method is adapted for use with an optical recording medium of phase change type comprising a substrate having a thickness of up to 0.8 mm wherein lands and grooves on opposite sides of the land are formed on the surface, and both the lands and the grooves are used as recording tracks, and the medium is overwritten at a recording power Pw (mW) and an erasing power Pe (mW) which meet the relation: (Pw/Pe).times.k.sup.2 .ltoreq.8.5, when the medium has a recording track pitch P (.mu.m), the recording/reproducing optical system has a numerical aperture NA, and the recording/reproducing light has a wavelength .lambda. (.mu.m) which meet the relation: k=(.lambda./NA)/P.gtoreq.1.78.
摘要翻译：提供了一种用于记录/再现相变型光记录介质的方法。该方法能够进行高密度记录，同时抑制交叉擦除的增加。该方法还能够进行精确的跟踪，同时抑制串扰的增加。该方法适用于包括厚度高达0.8mm的基板的相变型光记录介质，其中在该表面上形成有焊盘相对两侧的焊盘和凹槽，并且焊盘和凹槽均为用作记录轨道，并且当介质具有记录轨道间距时，记录功率Pw（mW）和满足关系式（Pw / Pe）xk2 <8.5的擦除功率Pe（mW）被覆盖介质 P（μm），记录/再现光学系统具有数值孔径NA，并且记录/再现光具有满足以下关系的波长λ（μm）：k =（λ/NA)/P>/=1.78 。

25. 发明授权

US07254101B2 Laser beam power modulation pattern decision method, device for recording data onto optical recording medium, and optical recording medium 失效
标题翻译：激光束功率调制模式决定方法，用于将数据记录到光记录介质上的装置和光记录介质
公开(公告)号：US07254101B2
公开(公告)日：2007-08-07
申请号：US10516701
申请日：2003-06-02
申请人： Tatsuya Kato , Hideki Hirata , Hiroyasu Inoue
发明人： Tatsuya Kato , Hideki Hirata , Hiroyasu Inoue
IPC分类号： G11B15/52
CPC分类号： G11B7/1267 , G11B7/00456 , G11B7/2403 , G11B7/243 , G11B7/258
摘要： It is an object of the present invention to provide a method for determining a pattern for modulating the power of a laser beam which can determine a pattern for modulating the power of a laser beam so that data can be recorded in a write-once type optical recording medium with a laser beam having a low recording power at a high linear recording velocity. The method for determining a pattern for modulating the power of a laser beam according to the present invention includes the steps of determining pulse train patterns by fixing a recording power at a predetermined level and varying the level of a bottom power, modulating the power of the laser beam in accordance with the pulse train patterns to record first test signals in the optical recording medium, reproducing the first test signals, determining the optimum level of the bottom power based on the amplitude of the thus reproduced first test signals, determining pulse train patterns by fixing the bottom power at the optimum level and varying the level of the recording power, modulating the power of the laser beam in accordance with the pulse train patterns to record second test signals in the optical recording medium, reproducing the second test signals and determining the optimum level of the recording power based on at least one of jitter and error rates of the thus reproduced second test signals.
摘要翻译：本发明的目的是提供一种用于确定用于调制激光束的功率的图案的方法，该方法可以确定用于调制激光束的功率的图案，使得数据可以以一次写入型光学以高线性记录速度具有低记录功率的激光束的记录介质。根据本发明的确定用于调制激光束的功率的图案的方法包括以下步骤：通过将记录功率固定在预定水平并改变底部功率的电平来调节脉冲串模式的功率激光束根据脉冲序列图案在光学记录介质中记录第一测试信号，再现第一测试信号，基于这样再现的第一测试信号的幅度确定底部功率的最佳电平，确定脉冲串模式通过将底部功率固定在最佳水平并改变记录功率的水平，根据脉冲串模式调制激光束的功率，以将第二测试信号记录在光学记录介质中，再现第二测试信号并确定基于由此再现的抖动和错误率中的至少一个的记录功率的最佳电平 nd测试信号。

26. 发明授权

US07142492B2 Optical recording medium 失效
标题翻译：光记录介质
公开(公告)号：US07142492B2
公开(公告)日：2006-11-28
申请号：US10519693
申请日：2003-06-27
申请人： Tatsuhiro Kobayashi , Tatsuya Kato , Hiroyasu Inoue
发明人： Tatsuhiro Kobayashi , Tatsuya Kato , Hiroyasu Inoue
IPC分类号： G11B7/00
CPC分类号： G11B7/1267 , G11B7/0045
摘要： A method for determining the recording power of a laser beam so that jitter from a reproduced signal obtained by reproducing data recorded in a data rewritable type optical recording medium can be controlled within an acceptable tolerance even when cross erasing of data occurs. The power of a laser beam is measured for each level of the recording power of the laser beam. Critical parameters are calculated for each level of the recording power of the laser beam. The critical parameters are projected onto a data rewritable type optical recording medium for recording data therein. Direct overwriting required for saturating an influence of cross erasing of data is performed x times in one embodiment to determine a critical parameter. A data recording apparatus storing a critical parameter used for determining the power of a laser beam is associated with ID data for identifying the kind of optical recording medium. A data recording apparatus storing an optimum recording power used for determining the power of a laser beam is also associated with ID data for identifying the kind of optical recording medium.
摘要翻译：一种用于确定激光束的记录功率的方法，使得即使当数据发生交叉擦除时，也可以通过再现记录在数据可重写型光学记录介质中的数据而获得的再现信号的抖动被控制在可接受的公差内。针对激光束的记录功率的每个级别测量激光束的功率。针对激光束的记录功率的每个级别计算关键参数。将关键参数投影到用于在其中记录数据的数据可重写型光学记录介质上。在一个实施例中，执行用于饱和数据交叉擦除的影响所需的直接重写x次以确定关键参数。存储用于确定激光束的功率的临界参数的数据记录装置与用于识别光学记录介质的种类的ID数据相关联。存储用于确定激光束的功率的最佳记录功率的数据记录装置也与用于识别光学记录介质的种类的ID数据相关联。

27. 发明授权

US06999392B2 Optical recording method and optical recording medium 有权
标题翻译：光记录方法和光记录介质
公开(公告)号：US06999392B2
公开(公告)日：2006-02-14
申请号：US09971703
申请日：2001-10-09
申请人： Tatsuya Kato , Hajime Utsunomiya , Hiroyasu Inoue , Hiroshi Shingai , Yoshitomo Tanaka
发明人： Tatsuya Kato , Hajime Utsunomiya , Hiroyasu Inoue , Hiroshi Shingai , Yoshitomo Tanaka
IPC分类号： G11B7/00 , G11B7/24
CPC分类号： G11B7/24085 , G11B7/00454 , G11B7/006
摘要： Increase of jitter in a phase change optical recording medium is suppressed with no extreme decrease in the crystallization speed of the recording layer when the medium is overwritten at a high linear velocity. In addition, in a disk-shaped medium operated at a constant angular velocity, the overwriting is accomplished with the increase of jitter suppressed over the entire area of the medium. Provided is an optical recording method for recording a disk-shaped optical recording medium having a phase change recording layer which is rotated at a constant angular velocity, wherein amorphous recorded marks are formed in the recording layer. In this method, the minimum recorded mark is formed such that WL/ML incrementally or gradually decreases from the radially inner side to the radially outer side of the optical recording medium, when the minimum signal has a length of SL, and when the minimum recorded mark corresponding to said minimum signal has its maximum width of MW, EW is 0.1 MW; the position on the leading edge side of the recorded mark at the width of EW is designated effective leading edge; and the position on the trailing edge side of the recorded mark at the width of EW is designated effective trailing edge; the distance between the effective leading edge and the effective trailing edge is designated effective length ML; and the distance between the effective leading edge and the position at which the width starts to decrease on the trailing edge side is designated WL.
摘要翻译：当以高线速度重写介质时，抑制了相变光记录介质中的抖动的增加，而在记录层的结晶速度没有极度降低的情况下。另外，在以恒定的角速度操作的盘形介质中，通过在介质的整个区域上抑制的抖动的增加来实现重写。提供了一种用于记录具有以恒定角速度旋转的相变记录层的盘形光学记录介质的光学记录方法，其中在记录层中形成非晶体记录标记。在该方法中，形成最小记录标记，使得W L L / M L L从光记录介质的径向内侧向径向外侧逐渐地逐渐减小当最小信号具有长度为S L L时，当对应于所述最小信号的最小记录标记具有M W的最大宽度时，E W 为0.1MW; 记录标记的前缘侧的位置在E 的宽度被指定为有效前沿; 并且在E＆lt; W＆gt;宽度的记录标记的后缘侧的位置被指定为有效后缘; 有效前沿和有效后沿之间的距离被指定为有效长度M L L; 并且有效前沿与后缘侧宽度开始减小的位置之间的距离被指定为W L L。

28. 发明申请

US20060013089A1 Optical recording medium 失效
公开(公告)号：US20060013089A1
公开(公告)日：2006-01-19
申请号：US10519693
申请日：2003-06-27
申请人： Tatsuhiro Kobayashi , Tatsuya Kato , Hiroyasu Inoue
发明人： Tatsuhiro Kobayashi , Tatsuya Kato , Hiroyasu Inoue
IPC分类号： G11B7/12
CPC分类号： G11B7/1267 , G11B7/0045
摘要： It is an object of the present invention to provide a method for determining the power of a laser beam which can determine the recording power of the laser beam so that jitter of a reproduced signal obtained by reproducing data recorded in a data rewritable type optical recording medium can be controlled within a tolerance even when cross erasing of data occurs and that the reproduced signal having the highest level can be obtained. The method for determining the power of a laser beam according to the present invention includes the steps of recording a first test signal in the data rewritable type optical recording medium while varying a level of the recording power of the laser beam, reproducing the first test signal recorded in the data rewritable type optical recording medium, measuring, for each of the levels of the recording power of the laser beam, an amplitude A0 of a reproduced signal obtained by reproducing the first test signal before the first test signal is influenced by cross erasing of data, an amplitude A1 and jitter J1 of a reproduced signal obtained by reproducing the first test signal after the first test signal was once influenced by cross erasing of data and an amplitude As and jitter Js of a reproduced signal obtained by reproducing the first test signal after an influence of cross erasing of data on the first test signal was saturated, calculating a first parameter for each of the levels of the recording power of the laser beam as a function of the difference between the amplitude A0 of the reproduced signal obtained by reproducing the first test signal before the first test signal is influenced by cross erasing of data and the amplitude A1 of the reproduced signal obtained by reproducing the first test signal after the first test signal was once influenced by cross erasing of data, calculating a second parameter for each of the levels of the recording power of the laser beam as a function of the difference between the amplitude A1 of the reproduced signal obtained by reproducing the first test signal after the first test signal was once influenced by cross erasing of data and the amplitude As of the reproduced signal obtained by reproducing the first test signal after the influence of cross erasing of data on the first test signal was saturated, calculating a third parameter for each of the levels of the recording power of the laser beam as a function of the difference between the jitter Js of the reproduced signal obtained by reproducing the first test signal after the influence of cross erasing of data on the first test signal was saturated and the jitter J1 of the reproduced signal obtained by reproducing the first test signal after the first test signal was once influenced by cross erasing of data, obtaining a value of the first parameter corresponding to a value of the second parameter when the third parameter is equal to a tolerance, thereby determining a critical parameter, recording a second test signal in the data rewritable type optical recording medium while varying a level of the recording power of the laser beam, judging whether or not signal characteristics of a reproduced signal obtained by reproducing the second test signal recorded in the data rewritable type optical recording medium satisfy reference conditions, measuring, for each of the levels of the recording power of the laser beam, when the signal characteristics of the reproduced signal obtained by reproducing the second test signal recorded in the data rewritable type optical recording medium satisfy the reference conditions, an amplitude AA0 of the reproduced signal obtained by reproducing the second test signal before the second test signal is influenced by cross erasing of data and an amplitude AA1 of the reproduced signal obtained by reproducing the second test signal after the first test signal was once influenced by cross erasing of data, calculating a fourth parameter based on the amplitudes AA0 and AA1 of the reproduced signals obtained by reproducing the second test signals as a function of the difference between the amplitude AA0 of the reproduced signal obtained by reproducing the second test signal before the second test signal is influenced by cross erasing of data and the amplitude AA1 of the reproduced signal obtained by reproducing the second test signal after the first test signal was once influenced by cross erasing of data, comparing the critical parameter and the fourth parameter, and determining the recording power of the laser beam at which the fourth parameter was obtained as an optimum recording power when the fourth parameter is equal to or lower than the critical parameter.

29. 发明授权

US06798733B2 Optical recording method and medium 有权
标题翻译：光记录方法和介质
公开(公告)号：US06798733B2
公开(公告)日：2004-09-28
申请号：US09852730
申请日：2001-05-11
申请人： Hiroyasu Inoue , Hajime Utsunomiya , Tatsuya Kato , Hiroshi Shingai
发明人： Hiroyasu Inoue , Hajime Utsunomiya , Tatsuya Kato , Hiroshi Shingai
IPC分类号： G11B700
CPC分类号： G11B7/258 , G11B7/00454 , G11B7/126 , G11B7/24 , G11B7/243 , G11B7/257 , G11B7/2585 , G11B7/259 , G11B7/26 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316
摘要： When information is recorded in an optical recording medium having a recording layer by irradiating a laser beam thereto through an optical system, the recording is carried out under the conditions: &lgr;/NA≦680 nm and n·Tw≦22 ns wherein the laser beam has a wavelength &lgr;, the optical system includes an objective lens having a numerical aperture NA, the window margin is Tw, and a signal length corresponding to the shortest recorded mark is n·Tw. The method provides for a high transfer rate and minimizes the jitter.
摘要翻译：当通过光学系统照射激光束将信息记录在具有记录层的光学记录介质中时，在λ/ NA <= 680nm和n.Tw <= 22ns的条件下进行记录，其中激光束具有波长λ，光学系统包括具有数值孔径NA的物镜，窗口边距为Tw，与最短记录标记对应的信号长度为n.Tw。该方法提供高传输速率并使抖动最小化。

30. 发明授权

US06665260B2 Optical recording medium including protruding winding parts used as prepits 失效
标题翻译：光记录介质，包括用作预凹坑的突出的绕组部分
公开(公告)号：US06665260B2
公开(公告)日：2003-12-16
申请号：US09899152
申请日：2001-07-06
申请人： Tatsuya Kato , Hajime Utsunomiya , Hiroyasu Inoue , Hideki Hirata
发明人： Tatsuya Kato , Hajime Utsunomiya , Hiroyasu Inoue , Hideki Hirata
IPC分类号： G11B724
CPC分类号： G11B7/24085 , G11B7/00745 , G11B7/261
摘要： In an optical recording medium wherein grooves or lands formed on the supporting substrate are used for the recording tracks, and wherein prepits are also formed, production of the supporting substrate and high density recording are facilitated. This medium comprises a supporting substrate and a recording layer on the substrate wherein the surface of the supporting substrate on which the recording layer is formed is formed with alternating continuous convex portions and continuous concave portions which are substantially parallel to each other. The adjacent continuous convex portions are connected by bridging convex portions extending in transverse direction, and the bridging convex portion has a planar configuration that its width is minimum at or near the center between the adjacent continuous convex portions. The supporting substrate is produced by using a master disk which has a resist layer formed with mother patterns of each of the continuous convex portions, continuous concave portions, and prepits. In the production of the master disk, the resist layer is intermittently irradiated with one exposure beam, and the area irradiated is used as the mother pattern of the continuous concave portions or convex portions, and the area which was not irradiated is used as the mother pattern of the prepits.
摘要翻译：在其中形成在支撑基板上的槽或焊盘用于记录轨道的光记录介质中，并且还形成预凹坑，便于生产支撑基板和高密度记录。该介质包括支撑衬底和衬底上的记录层，其中形成有记录层的支撑衬底的表面形成有彼此基本平行的交替的连续凸部和连续凹部。相邻的连续凸部通过在横向延伸的桥接凸部连接，并且桥接凸部具有在相邻的连续凸部之间的中心处或其附近的宽度最小的平面构造。支撑基板通过使用具有形成有连续凸部，连续凹部和预凹坑中的每一个的母体图案的抗蚀剂层的母盘来制造。在母盘的制造中，用一个曝光束间歇地照射抗蚀剂层，照射的面积用作连续凹部或凸部的母体图案，未照射的区域用作母体预制图案。

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