公开(公告)号：US08089843B2

公开(公告)日：2012-01-03

申请号：US12166974

申请日：2008-07-02

申请人： Toru Aida ,  Akitoshi Suzuki ,  Shinobu Hayashi ,  Akiya Saito

发明人： Toru Aida ,  Akitoshi Suzuki ,  Shinobu Hayashi ,  Akiya Saito

IPC分类号： G11B7/007

CPC分类号： G11B7/00456 ,  G11B7/261

摘要： A recording drive waveform adjusting method for manufacturing a master disc is provided. The method includes forming an exposed area in an inorganic resist layer for test exposure by irradiating a master disc having the inorganic resist layer with laser light of a recording power based on a recording drive waveform according to a test recording signal. The method also includes obtaining reflected-light information by irradiating the exposed area formed in the test exposure with laser light of a reproducing power, determining whether the recording drive waveform is appropriate by using the reflected-light information, and correcting the recording drive waveform if the recording drive waveform is determined to be inappropriate in the determination.

摘要翻译： 提供一种用于制造母盘的记录驱动波形调节方法。 该方法包括根据测试记录信号，通过用基于记录驱动波形的具有记录功率的激光照射具有无机抗蚀剂层的母盘，在用于测试曝光的无机抗蚀剂层中形成曝光区域。 该方法还包括通过用再现功率的激光照射在测试曝光中形成的曝光区域来获得反射光信息，通过使用反射光信息确定记录驱动波形是否合适，并且如果 在确定中确定记录驱动波形不合适。

公开(公告)号：US20110207035A1

公开(公告)日：2011-08-25

申请号：US12932033

申请日：2011-02-16

申请人： Akiya Saito ,  Akitoshi Suzuki ,  Toru Aida ,  Shinobu Hayashi

发明人： Akiya Saito ,  Akitoshi Suzuki ,  Toru Aida ,  Shinobu Hayashi

IPC分类号： G03F7/20 ,  G03B27/52

CPC分类号： G03B27/52 ,  G11B7/1267 ,  G11B7/261 ,  G11B7/263

摘要： An exposure apparatus includes an exposure unit selectively performing exposure on a resist layer with a first laser beam, focused by a lens system, in a pattern including pits and lands arranged in a scanning direction; a detecting unit detecting a reflection of a second laser beam applied through the lens system to the resist layer selectively exposed to the first laser beam, the second laser beam being produced by changing a focal length of the lens system such that the resist layer is prevented from responding thereto; a calculating unit calculating, from a result of the detection, a displacement between center axes of signal waveforms representing beams reflected from first and second portions of the pattern having a smallest width and a larger width, respectively; a setting unit setting the focal length of the lens system to such a value that the displacement is maximal; and a control unit controlling the exposure unit to expose the resist layer to the first laser beam focused with the focal length set by the setting unit.

摘要翻译： 曝光装置包括曝光单元，其以包括沿扫描方向布置的凹坑和平台的图案以由透镜系统聚焦的第一激光束选择性地对抗蚀剂层进行曝光; 检测单元，其检测通过透镜系统施加的第二激光束对选择性地暴露于第一激光束的抗蚀剂层的反射，第二激光束是通过改变透镜系统的焦距而产生的，以防止抗蚀剂层 从响应; 计算单元，从所述检测结果计算分别表示从具有最小宽度和较大宽度的图案的第一和第二部分反射的光束的信号波形的中心轴之间的位移; 设置单元，将透镜系统的焦距设定为位移最大的值; 以及控制单元，其控制所述曝光单元将所述抗蚀剂层暴露于由所述设定单元设定的所述焦距聚焦的所述第一激光束。

公开(公告)号：US20090041933A1

公开(公告)日：2009-02-12

申请号：US12166974

申请日：2008-07-02

申请人： Toru Aida ,  Akitoshi Suzuki ,  Shinobu Hayashi ,  Akiya Saito

发明人： Toru Aida ,  Akitoshi Suzuki ,  Shinobu Hayashi ,  Akiya Saito

IPC分类号： B05D5/06

CPC分类号： G11B7/00456 ,  G11B7/261

摘要： A recording drive waveform adjusting method for manufacturing a master disc is provided. The method includes forming an exposed area in an inorganic resist layer for test exposure by irradiating a master disc having the inorganic resist layer with laser light of a recording power based on a recording drive waveform according to a test recording signal. The method also includes obtaining reflected-light information by irradiating the exposed area formed in the test exposure with laser light of a reproducing power, determining whether the recording drive waveform is appropriate by using the reflected-light information, and correcting the recording drive waveform if the recording drive waveform is determined to be inappropriate in the determination.

摘要翻译： 提供一种用于制造母盘的记录驱动波形调节方法。 该方法包括根据测试记录信号，通过用基于记录驱动波形的具有记录功率的激光照射具有无机抗蚀剂层的母盘，在用于测试曝光的无机抗蚀剂层中形成曝光区域。 该方法还包括通过用再现功率的激光照射在测试曝光中形成的曝光区域来获得反射光信息，通过使用反射光信息确定记录驱动波形是否合适，并且如果 在确定中确定记录驱动波形不合适。

公开(公告)号：US08582410B2

公开(公告)日：2013-11-12

申请号：US13411975

申请日：2012-03-05

申请人： Akiya Saito ,  Toru Aida ,  Shinobu Hayashi

发明人： Akiya Saito ,  Toru Aida ,  Shinobu Hayashi

IPC分类号： G11B7/00

CPC分类号： G11B7/261 ,  G11B7/00456

摘要： A master strategy adjustment method includes performing first recording on a master with a predetermined strategy, performing first measurement of an evaluation value of the master of the first recording, forming a first optical disc based on the master after the first recording, performing second measurement of an evaluation value of the optical disc formed as the first optical disc, calculating a target value of the evaluation value of the master based on a difference with the first measurement evaluation value and the second measurement evaluation value, and adjusting the strategy so that the evaluation value with regard to the master matches the target value, performing recording on the master with the adjusted writing strategy, performing measurement of the evaluation value of the master, and performing determination of whether the evaluation value is within a predetermined range with the target value as a reference until an affirmative result is obtained.

摘要翻译： 主策略调整方法包括以预定的策略在主机上执行第一记录，对第一记录的主装置的评估值进行第一测量，在第一记录之后，基于主装置形成第一光盘，执行第二记录 形成为第一光盘的光盘的评估值，基于与第一测量评估值和第二测量评估值的差异来计算主机的评估值的目标值，并且调整策略，使得评估 相对于主机的值与目标值相匹配，利用调整后的写入策略对主机进行记录，对主机的评价值进行测量，并且以目标值为判定值是否处于预定范围内 直到获得肯定结果为止。

公开(公告)号：US20120236697A1

公开(公告)日：2012-09-20

申请号：US13411975

申请日：2012-03-05

申请人： Akiya Saito ,  Toru Aida ,  Shinobu Hayashi

发明人： Akiya Saito ,  Toru Aida ,  Shinobu Hayashi

IPC分类号： G11B7/095

CPC分类号： G11B7/261 ,  G11B7/00456

摘要： A master strategy adjustment method includes performing first recording on a master with a predetermined strategy, performing first measurement of an evaluation value of the master of the first recording, forming a first optical disc based on the master after the first recording, performing second measurement of an evaluation value of the optical disc formed as the first optical disc, calculating a target value of the evaluation value of the master based on a difference with the first measurement evaluation value and the second measurement evaluation value, and adjusting the strategy so that the evaluation value with regard to the master matches the target value, performing recording on the master with the adjusted writing strategy, performing measurement of the evaluation value of the master, and performing determination of whether the evaluation value is within a predetermined range with the target value as a reference until an affirmative result is obtained.

摘要翻译： 主策略调整方法包括以预定的策略在主机上执行第一记录，对第一记录的主装置的评估值进行第一测量，在第一记录之后，基于主装置形成第一光盘，执行第二记录 形成为第一光盘的光盘的评估值，基于与第一测量评估值和第二测量评估值的差异来计算主机的评估值的目标值，并且调整策略，使得评估 相对于主机的值与目标值相匹配，利用调整后的写入策略对主机进行记录，对主机的评价值进行测量，并且以目标值为判定值是否处于预定范围内 直到获得肯定结果为止。

公开(公告)号：US07054238B2

公开(公告)日：2006-05-30

申请号：US10240097

申请日：2002-01-29

申请人： Jun Sato ,  Akiya Saito ,  Toru Aida ,  Yoshinobu Usui

发明人： Jun Sato ,  Akiya Saito ,  Toru Aida ,  Yoshinobu Usui

IPC分类号： G11B7/00

CPC分类号： G11B20/10425 ,  G11B7/00456 ,  G11B7/00458 ,  G11B7/005 ,  G11B7/261 ,  G11B20/10 ,  G11B20/10009 ,  G11B20/1426 ,  G11B2020/1461

摘要： The present invention relates to a signal shaping circuit which is capable of shaping a returning light signal of a modulated signal whose signal level and signal length are arbitrarily varied such that it can be demodulated. The shaped signal pattern generation circuit 15 has, in advance, variation pattern information with regard to a predetermined variation pattern to be applied on a returning light signal recorded therein. The counter 13 inputs a returning light signal, counts a signal length thereof and sends a count value to the shaped signal pattern generation circuit 15. An A/D conversion 14 detects a signal level of the returning light signal and sends the detected signal level to the shaped signal pattern generation circuit 15 in a similar way. The shaped signal pattern generation circuit 15 refers to the variation pattern information and calculates an optimum signal pattern corresponding to a signal length and a signal level of the inputted, returning light signal. The calculated shaped signal pattern is outputted to a shaped signal generation circuit 16. Based on the signal pattern, the shaped signal generation circuit 16 converts the returning light signal and generates an optimum shaped signal.

摘要翻译： 信号整形电路技术领域本发明涉及一种信号整形电路，其能够对其信号电平和信号长度任意变化的调制信号的返回光信号进行整形，使得其可被解调。 成形信号图案生成电路15预先具有关于要记录在其中的返回光信号应用的预定变化图案的变化图案信息。 计数器13输入返回光信号，对其信号长度进行计数，并向成形信号图案生成电路15发送计数值。 A / D转换14检测返回光信号的信号电平，并以类似的方式将检测信号电平发送到成形信号模式产生电路15。 成形信号图案生成电路15参照变化图案信息，并计算与输入的返回光信号的信号长度和信号电平对应的最佳信号图案。 计算出的成形信号图案被输出到成形信号生成电路16。 成形信号生成电路16基于信号图案转换返回光信号，并生成最佳成形信号。

公开(公告)号：US20050226132A1

公开(公告)日：2005-10-13

申请号：US10511271

申请日：2003-05-20

申请人： Tatsuya Inokuchi ,  Yoichiro Sako ,  Takashi Kihara ,  Shunsuke Furukawa ,  Yoriaki Kanada ,  Akiya Saito ,  Toru Aida ,  Tatsushi Sano ,  Toshihiko Senno ,  Yoshinobu Usui

发明人： Tatsuya Inokuchi ,  Yoichiro Sako ,  Takashi Kihara ,  Shunsuke Furukawa ,  Yoriaki Kanada ,  Akiya Saito ,  Toru Aida ,  Tatsushi Sano ,  Toshihiko Senno ,  Yoshinobu Usui

IPC分类号： G06F12/14 ,  G06F3/06 ,  G06F3/08 ,  G06F21/24 ,  G11B20/10 ,  G11B20/12 ,  G11B20/14 ,  G11B20/18 ,  H03M5/14 ,  H03M13/29 ,  H04N5/91 ,  G11B7/24

CPC分类号： G11B20/00086 ,  G11B20/00579 ,  G11B20/1217 ,  G11B20/1426 ,  G11B20/18 ,  G11B2020/1457 ,  G11B2020/1461 ,  G11B2020/184 ,  G11B2020/1853 ,  H03M5/145 ,  H03M13/29 ,  H03M13/2924

摘要： A recording medium has a first area in which data encoded with a first error correction code is recorded and a second area in which data encoded with the first error correction code and data decodable with a second error correction code that is different from the first error correction code are mixedly recorded. Data that causes the cumulated value of a DC component per unit period of data reproduced from the second area to deviate is recorded in the second area.

摘要翻译： 记录介质具有记录有第一纠错码编码的数据的第一区域和第二区域，其中用第一纠错码编码的数据和可与第一错误校正码不同的第二纠错码进行解码的数据 代码被混合记录。 导致从第二区域再现的每单位周期的DC分量的累积值的偏差的数据被记录在第二区域中。

公开(公告)号：US07437649B2

公开(公告)日：2008-10-14

申请号：US10489619

申请日：2003-07-16

申请人： Akiya Saito ,  Toru Aida ,  Yoriaki Kanada ,  Tatsushi Sano ,  Toshihiko Senno ,  Yoshinobu Usui ,  Yoichiro Sako ,  Tatsuya Inokuchi ,  Shunsuke Furukawa ,  Yoshiro Miyoshi ,  Takashi Kihara

发明人： Akiya Saito ,  Toru Aida ,  Yoriaki Kanada ,  Tatsushi Sano ,  Toshihiko Senno ,  Yoshinobu Usui ,  Yoichiro Sako ,  Tatsuya Inokuchi ,  Shunsuke Furukawa ,  Yoshiro Miyoshi ,  Takashi Kihara

IPC分类号： H03M13/00

CPC分类号： G11B20/00579 ,  G11B20/00086 ,  G11B20/1426 ,  G11B20/1813

摘要： Data is arranged to one block obtained after a CIRC process so that a predetermined data pattern is recorded into a predetermined portion on a disc. By tracing back an encoding step of a Cross-Interleave Reed-Solomon Code (CIRC), a layout of recording data of one block before the CIRC process for allowing the predetermined data pattern to be recorded into the predetermined portion is obtained. An error correcting process of a CD-ROM mode 1 is executed. If a position of a parity coincides with data for forming the predetermined data pattern, a value of user data of an encoding sequence to form the parity is changed. After error correction encoding of a CD-ROM is executed, encoding of the CIRC is executed to the recording data of one block.

摘要翻译： 数据被布置成在CIRC处理之后获得的一个块，使得预定数据图案被记录在盘上的预定部分中。 通过追溯交叉交错里德 - 所罗门码（CIRC）的编码步骤，获得在CIRC处理之前的一个块的记录数据的布局，以便允许将预定数据模式记录到预定部分。 执行CD-ROM模式1的纠错处理。 如果奇偶位置与用于形成预定数据模式的数据一致，则改变形成奇偶校验的编码序列的用户数据的值。 在执行CD-ROM的纠错编码之后，对一个块的记录数据执行CIRC的编码。

公开(公告)号：US07289046B2

公开(公告)日：2007-10-30

申请号：US10483622

申请日：2003-05-12

申请人： Yoichiro Sako ,  Toru Aida ,  Tatsuya Inokuchi ,  Akiya Saito ,  Takashi Kihara ,  Tatsushi Sano ,  Yoriaki Kanada ,  Yoshiro Miyoshi ,  Shunsuke Furukawa ,  Yoshinobu Usui ,  Toshihiko Senno

发明人： Yoichiro Sako ,  Toru Aida ,  Tatsuya Inokuchi ,  Akiya Saito ,  Takashi Kihara ,  Tatsushi Sano ,  Yoriaki Kanada ,  Yoshiro Miyoshi ,  Shunsuke Furukawa ,  Yoshinobu Usui ,  Toshihiko Senno

IPC分类号： H03M7/00

CPC分类号： H03M7/46 ,  G11B20/00086 ,  G11B20/1426 ,  G11B2020/1287 ,  G11B2020/1457 ,  G11B2020/1461 ,  G11B2020/1469 ,  G11B2020/184 ,  H03M5/145

摘要： A recording method for converting m-bit data into n-bit (where n>m) data whose run length is restricted and recording the converted data on a recording medium, the recording method comprising the step of selecting first n-bit data according to an immediately preceded n-bit data, first n-bit data immediately followed thereby, and second n-bit data immediately followed thereby so that the cumulative value of DC components per unit time becomes small.

摘要翻译： 一种用于将m比特数据转换成游程长度受限的n比特（其中n> m）数据并将转换的数据记录在记录介质上的记录方法，所述记录方法包括以下步骤：根据 紧随其后的n位数据，紧随其后的第一n位数据和紧随其后的第二n位数据，使得每单位时间的DC分量的累积值变小。

公开(公告)号：US20060202869A1

公开(公告)日：2006-09-14

申请号：US10488206

申请日：2003-06-27

申请人： Toru Aida ,  Yoichiro Sako ,  Tatsuya Inokuchi ,  Akiya Saito ,  Takashi Kihara ,  Tatsushi Sano ,  Yoriaki Kanada ,  Yoshiro Miyoshi ,  Shunsuke Furukawa ,  Yoshinobu Usui ,  Toshihiko Senno

发明人： Toru Aida ,  Yoichiro Sako ,  Tatsuya Inokuchi ,  Akiya Saito ,  Takashi Kihara ,  Tatsushi Sano ,  Yoriaki Kanada ,  Yoshiro Miyoshi ,  Shunsuke Furukawa ,  Yoshinobu Usui ,  Toshihiko Senno

IPC分类号： H03M7/00

CPC分类号： G11B20/1866 ,  G11B20/00086 ,  G11B20/00579 ,  G11B20/1426 ,  G11B2020/1457 ,  G11B2020/1461

摘要： Six record areas for predetermined data that has been encoded and digitally modulated are formed in a data record area on a disc. The record areas have different offset compensation amounts. The offset compensation amounts allow all offset amounts that may take place in an error correction code encoder to be compensated. Thus, regardless of the offset amount generated by the error correction code encoder, encoded and modulated data that has been generated by the conventional EFM modulating system and recorded in one of the record areas securely causes DSV to deviate. Each of the record areas is set to a sufficient length that allows the effect of which DSV deviates to be recognized.

摘要翻译： 已经编码和数字调制的预定数据的六个记录区形成在盘上的数据记录区中。 记录区具有不同的补偿量。 偏移补偿量允许在纠错码编码器中可能发生的所有偏移量被补偿。 因此，无论由纠错码编码器产生的偏移量如何，由传统EFM调制系统生成并记录在其中一个记录区域中的已编码和调制数据安全地导致DSV偏离。 每个记录区域被设置为允许识别哪个DSV偏移的影响的足够的长度。