公开(公告)号：US20050174903A1

公开(公告)日：2005-08-11

申请号：US11105411

申请日：2005-04-14

申请人： Masaki Katoh ,  Yuki Nakamura ,  Katsuyuki Yamada

发明人： Masaki Katoh ,  Yuki Nakamura ,  Katsuyuki Yamada

IPC分类号： G11B7/007 ,  G06F7/24 ,  G06F7/76 ,  G11B19/04 ,  G11B19/12 ,  G11B20/10 ,  G11B20/12 ,  G11B27/00 ,  G11B27/19 ,  G11B27/24 ,  G11B27/30 ,  G11B27/36 ,  G11B5/09 ,  G11B15/52

CPC分类号： G11B20/10 ,  G11B7/0053 ,  G11B7/00745 ,  G11B19/04 ,  G11B20/12 ,  G11B20/1217 ,  G11B20/1258 ,  G11B27/105 ,  G11B27/24 ,  G11B27/3027 ,  G11B27/36 ,  G11B2020/10981 ,  G11B2020/1099 ,  G11B2020/1232 ,  G11B2020/1267 ,  G11B2020/1269 ,  G11B2020/1275 ,  G11B2220/216 ,  G11B2220/218 ,  G11B2220/2537 ,  G11B2220/2545 ,  G11B2220/2562

摘要： A recordable optical information recording medium having an address t for each sector, comprises: an area A1 starting from an address t1 to which access is made only when a recording apparatus performs recording operation; an area A2 starting from an address t2 to which access is made either when the recording apparatus performs the recording operation or when the recording apparatus performs reproducing operation; and an area A3 starting from an address t3 to which access is made either when either the recording apparatus or a reproducing apparatus performs recording or when either the recording apparatus or the reproducing apparatus performs reproducing. The addresses t are set consecutively with respect to a physical arrangement of the sectors in each of the areas A2 and A3, and the area A1 has at least one inconsecutive part at which the addresses t are not consecutive with respect to the physical arrangement of the sectors.

摘要翻译： 对于每个扇区具有地址t的可记录光信息记录介质包括：区域A 1，从地址t 1开始，仅在记录装置执行记录操作时进行访问; 当记录装置执行记录操作时或当记录装置执行再现操作时，从地址t 2开始进入存取的区域A 2; 以及从记录装置或再现装置执行记录时或当记录装置或再现装置进行再现时都可以进行访问的地址t 3开始的区域A 3。 地址t相对于区域A 2和A 3中的每一个中的扇区的物理布置被连续设置，并且区域A 1具有至少一个不连续的部分，在该区域中，地址t不相对于物理 部门安排。

公开(公告)号：US06886177B2

公开(公告)日：2005-04-26

申请号：US09928882

申请日：2001-08-13

申请人： Masaki Katoh ,  Katsuyuki Yamada ,  Yuki Nakamura

发明人： Masaki Katoh ,  Katsuyuki Yamada ,  Yuki Nakamura

IPC分类号： G11B7/0045 ,  G11B7/243 ,  G11B7/253 ,  G11B7/2534 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595 ,  G11B7/24

CPC分类号： G11B7/00454 ,  G11B7/243 ,  G11B7/2534 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24314 ,  G11B2007/24316

摘要： The phase-change type optical information recording medium includes a transparent substrate, a first protective layer on the substrate, a recording layer on the first protective layer, a second protective layer on the recording layer, and a reflective layer on the second protective layer. Assuming that minimum recording linear velocity is V1 and maximum recording linear velocity is V2, then a value of ratio I(V2)/I(V1) of a degree of modulation corresponding to the maximum and minimum linear velocities is between 1 and 1.2.

摘要翻译： 相变型光信息记录介质包括透明基板，基板上的第一保护层，第一保护层上的记录层，记录层上的第二保护层和第二保护层上的反射层。 假设最小记录线速度为V 1且最大记录线速度为V 2 2，则比值I（V 2/2）/ 对应于最大和最小线速度的调制度的I（V 1 1 1）在1和1.2之间。

公开(公告)号：US20060280486A1

公开(公告)日：2006-12-14

申请号：US11438218

申请日：2006-05-23

申请人： Masaki Katoh ,  Yuki Nakamura ,  Katsuyuki Yamada

发明人： Masaki Katoh ,  Yuki Nakamura ,  Katsuyuki Yamada

IPC分类号： H04N5/00

CPC分类号： G11B20/10 ,  G11B7/0053 ,  G11B7/00745 ,  G11B19/04 ,  G11B20/12 ,  G11B20/1217 ,  G11B20/1258 ,  G11B27/105 ,  G11B27/24 ,  G11B27/3027 ,  G11B27/36 ,  G11B2020/10981 ,  G11B2020/1099 ,  G11B2020/1232 ,  G11B2020/1267 ,  G11B2020/1269 ,  G11B2020/1275 ,  G11B2220/216 ,  G11B2220/218 ,  G11B2220/2537 ,  G11B2220/2545 ,  G11B2220/2562

摘要： A recordable optical information recording medium having an address t for each sector, comprises: an area A1 starting from an address t1 to which access is made only when a recording apparatus performs recording operation; an area A2 starting from an address t2 to which access is made either when the recording apparatus performs the recording operation or when the recording apparatus performs reproducing operation; and an area A3 starting from an address t3 to which access is made either the recording apparatus or a reproducing apparatus performs recording or when either recording apparatus or the reproducing apparatus performs reproducing. The addresses t are set consecutively with respect to a physical arrangement of the sectors in each of the areas A2 and A3, and the area A1 has at least on inconsecutive part at which the addresses t are not consecutive with respect to the physical arrangement of the sectors.

摘要翻译： 对于每个扇区具有地址t的可记录光信息记录介质包括：区域A 1，从地址t 1开始，仅在记录装置执行记录操作时进行访问; 当记录装置执行记录操作时或当记录装置执行再现操作时，从地址t 2开始进入存取的区域A 2; 以及从记录设备或再现设备进行访问的地址t 3开始的区域A 3执行记录，或者当任一记录设备或再现设备进行再现时。 地址t相对于区域A 2和A 3中的每个区域中的扇区的物理布置被连续地设置，并且区域A 1至少在地址t不相对于物理地址连续的不连续部分 部门安排。

公开(公告)号：US07507523B2

公开(公告)日：2009-03-24

申请号：US09966171

申请日：2001-09-28

申请人： Katsuyuki Yamada ,  Shinya Narumi ,  Makoto Harigaya ,  Katsuhiko Tani ,  Noriyuki Iwata ,  Nobuaki Onagi ,  Kazunori Ito ,  Takashi Shibaguchi ,  Eiko Hibino ,  Hajime Yuzurihara ,  Hiroko Ohkura ,  Akira Shimofuku ,  Yuki Nakamura

发明人： Katsuyuki Yamada ,  Shinya Narumi ,  Makoto Harigaya ,  Katsuhiko Tani ,  Noriyuki Iwata ,  Nobuaki Onagi ,  Kazunori Ito ,  Takashi Shibaguchi ,  Eiko Hibino ,  Hajime Yuzurihara ,  Hiroko Ohkura ,  Akira Shimofuku ,  Yuki Nakamura

IPC分类号： G11B7/24

CPC分类号： G11B19/26 ,  G11B7/00454 ,  G11B7/0052 ,  G11B7/006 ,  G11B7/0062 ,  G11B7/007 ,  G11B7/126 ,  G11B7/24 ,  G11B7/243 ,  G11B7/257 ,  G11B7/26 ,  G11B19/12 ,  G11B20/08 ,  G11B20/10 ,  G11B2007/24314 ,  G11B2007/24316 ,  Y10S430/146

摘要： An optical information recording medium is provided. This medium at least stores information that indicates a maximum recording linear velocity Vh. The medium comprises a substrate having a concentric circular guide groove. This guide grove has land portions and groves portions. At least a phase change type recording layer is formed on the substrate. The recording layer has such a composition and thickness that a dislocation linear velocity V satisfies the relation V≧Vh×0.85.

公开(公告)号：US07440380B2

公开(公告)日：2008-10-21

申请号：US11105411

申请日：2005-04-14

申请人： Masaki Katoh ,  Yuki Nakamura ,  Katsuyuki Yamada

发明人： Masaki Katoh ,  Yuki Nakamura ,  Katsuyuki Yamada

IPC分类号： G11B7/007

CPC分类号： G11B20/10 ,  G11B7/0053 ,  G11B7/00745 ,  G11B19/04 ,  G11B20/12 ,  G11B20/1217 ,  G11B20/1258 ,  G11B27/105 ,  G11B27/24 ,  G11B27/3027 ,  G11B27/36 ,  G11B2020/10981 ,  G11B2020/1099 ,  G11B2020/1232 ,  G11B2020/1267 ,  G11B2020/1269 ,  G11B2020/1275 ,  G11B2220/216 ,  G11B2220/218 ,  G11B2220/2537 ,  G11B2220/2545 ,  G11B2220/2562

摘要： A recordable optical information recording medium having an address t for each sector, comprises: an area A1 starting from an address t1 to which access is made only when a recording apparatus performs recording operation; an area A2 starting from an address t2 to which access is made either when the recording apparatus performs the recording operation or when the recording apparatus performs reproducing operation; and an area A3 starting from an address t3 to which access is made either when either the recording apparatus or a reproducing apparatus performs recording or when either the recording apparatus or the reproducing apparatus performs reproducing. The addresses t are set consecutively with respect to a physical arrangement of the sectors in each of the areas A2 and A3, and the area A1 has at least one inconsecutive part at which the addresses t are not consecutive with respect to the physical arrangement of the sectors.

摘要翻译： 对于每个扇区具有地址t的可记录光信息记录介质包括：区域A 1，从地址t 1开始，仅在记录装置执行记录操作时进行访问; 当记录装置执行记录操作时或当记录装置执行再现操作时，从地址t 2开始进入存取的区域A 2; 以及从记录装置或再现装置执行记录时或当记录装置或再现装置进行再现时都可以进行访问的地址t 3开始的区域A 3。 地址t相对于区域A 2和A 3中的每一个中的扇区的物理布置被连续设置，并且区域A 1具有至少一个不连续的部分，在该区域中，地址t不相对于物理 部门安排。

公开(公告)号：US07263055B2

公开(公告)日：2007-08-28

申请号：US10853985

申请日：2004-05-25

申请人： Katsuyuki Yamada ,  Yuki Nakamura ,  Masaki Kato

发明人： Katsuyuki Yamada ,  Yuki Nakamura ,  Masaki Kato

IPC分类号： G11B7/24 ,  G11B20/10

CPC分类号： G11B7/126 ,  G11B7/006

摘要： A method of recording and reproducing information in a phase-change optical recording medium by irradiation of an electromagnetic wave for recording, reproducing and/or rewriting information is proposed, wherein when information is recorded in the phase-change optical recording medium by modulating an input signal and conducting pulse width modulation recording, a recording pulse string for recording and rewriting is a continuous electromagnetic wave, and a recording pulse string for recording and rewriting, after the modulation of the input signal, is an electromagnetic wave pulse string having a front-pulse portion fp, a multi-pulse portion mp with a total pulse duration period T and a duty ratio y, and an off-pulse portion op, wherein the duty ratio y is decreased as a recording linear velocity for the phase-change optical recording medium is increased, whereby multi-speed recording or CAV (constant angular velocity) recording is carried out. An information recording and reproducing apparatus, using the above method, is also proposed.

摘要翻译： 提出了通过照射用于记录，再现和/或重写信息的电磁波在相变光学记录介质中记录和再现信息的方法，其中当信息通过调制输入而被记录在相变光学记录介质中时 信号和导通脉冲宽度调制记录，用于记录和重写的记录脉冲串是连续电磁波，并且用于在输入信号的调制之后用于记录和重写的记录脉冲串是具有前置信号的电磁波脉冲串， 脉冲部分fp，具有总脉冲持续时间周期T和占空比y的多脉冲部分mp和截止脉冲部分op，其中占空比y作为用于相变光学记录的记录线速度减小 介质增加，由此进行多速记录或CAV（恒定角速度）记录。 还提出了使用上述方法的信息记录和再现装置。

公开(公告)号：US07245580B2

公开(公告)日：2007-07-17

申请号：US10384452

申请日：2003-03-07

申请人： Katsuyuki Yamada ,  Yuki Nakamura ,  Shinya Narumi ,  Masaki Kato

发明人： Katsuyuki Yamada ,  Yuki Nakamura ,  Shinya Narumi ,  Masaki Kato

IPC分类号： G11B7/24

CPC分类号： G11B7/259 ,  G11B7/2403 ,  G11B7/24067 ,  G11B7/24079 ,  G11B7/246 ,  G11B7/2463 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/248 ,  G11B7/249 ,  G11B7/252 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2536 ,  G11B7/256 ,  G11B7/2585 ,  G11B7/266 ,  G11B2007/24306 ,  G11B2007/24308 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/2571 ,  G11B2007/25711 ,  G11B2007/25713 ,  G11B2007/25715 ,  G11B2007/25716

摘要： An optical recording medium including a substrate having guide groove thereon; a first protective layer located overlying the substrate; a recording layer located overlying the first protective layer; a second protective layer located overlying the recording layer; a third protective layer of from 2 to 9 nm thick located overlying the second protective layer and comprising Si in an amount not less than 35 atomic percent; and a reflection layer including Ag in an amount not less than 95% by weight. An overcoat layer having a glass transition temperature of from 90° C. to 180° C. is preferably formed overlying the reflection layer. A method for manufacturing the optical recording medium is also provided.

摘要翻译： 一种光记录介质，包括其上具有引导槽的基板; 位于衬底上的第一保护层; 位于第一保护层上方的记录层; 位于记录层上方的第二保护层; 位于第二保护层上方的2至9nm厚的第三保护层，其包含不少于35原子百分比的Si; 以及含有不小于95重量％的Ag的反射层。 优选在反射层上形成玻璃化转变温度为90℃至180℃的外涂层。 还提供了一种用于制造光学记录介质的方法。

公开(公告)号：US06996041B2

公开(公告)日：2006-02-07

申请号：US10620692

申请日：2003-07-17

申请人： Masaki Kato ,  Yuki Nakamura ,  Katsuyuki Yamada

发明人： Masaki Kato ,  Yuki Nakamura ,  Katsuyuki Yamada

IPC分类号： G11B7/00

CPC分类号： G11B20/10 ,  G11B7/0053 ,  G11B7/00745 ,  G11B19/04 ,  G11B20/12 ,  G11B20/1217 ,  G11B20/1258 ,  G11B27/105 ,  G11B27/24 ,  G11B27/3027 ,  G11B27/36 ,  G11B2020/10981 ,  G11B2020/1099 ,  G11B2020/1232 ,  G11B2020/1267 ,  G11B2020/1269 ,  G11B2020/1275 ,  G11B2220/216 ,  G11B2220/218 ,  G11B2220/2537 ,  G11B2220/2545 ,  G11B2220/2562

摘要： A recordable optical information recording medium having an address t for each sector, comprises: an area A1 starting from an address t1 to which access is made only when a recording apparatus performs recording operation; an area A2 starting from an address t2 to which access is made either when the recording apparatus performs the recording operation or when the recording apparatus performs reproducing operation; and an area A3 starting from an address t3 to which access is made either when either the recording apparatus or a reproducing apparatus performs recording or when either the recording apparatus or the reproducing apparatus performs reproducing. The addresses t are set consecutively with respect to a physical arrangement of the sectors in each of the areas A2 and A3, and the area A1 has at least one inconsecutive part at which the addresses t are not consecutive with respect to the physical arrangement of the sectors.

摘要翻译： 对于每个扇区具有地址t的可记录光信息记录介质包括：区域A 1，从地址t 1开始，仅在记录装置执行记录操作时进行访问; 当记录装置执行记录操作时或当记录装置执行再现操作时，从地址t 2开始进入存取的区域A 2; 以及从记录装置或再现装置执行记录时或当记录装置或再现装置进行再现时都可以进行访问的地址t 3开始的区域A 3。 地址t相对于区域A 2和A 3中的每一个中的扇区的物理布置被连续地设置，并且区域A 1具有至少一个不连续的部分，在该区域中地址t不相对于物理 部门安排。

公开(公告)号：US06757232B2

公开(公告)日：2004-06-29

申请号：US09779000

申请日：2001-02-07

申请人： Katsuyuki Yamada ,  Yuki Nakamura ,  Masaki Kato

发明人： Katsuyuki Yamada ,  Yuki Nakamura ,  Masaki Kato

IPC分类号： G11B700

CPC分类号： G11B7/126 ,  G11B7/006

摘要： A method of recording and reproducing information in a phase-change optical recording medium by irradiation of an electromagnetic wave for recording, reproducing and/or rewriting information is proposed, wherein when information is recorded in the phase-change optical recording medium by modulating an input signal and conducting pulse width modulation recording, a recording pulse string for recording and rewriting is a continuous electromagnetic wave, and a recording pulse string for input signal, is an electromagnetic wave pulse string having a front-pulse portion fp, a multi-pulse portion mp with a total pulse duration period T and a duty ratio y, and an off-pulse portion op, wherein the duty ratio y is decreased as a recording linear velocity for the phase-change optical recording medium is increased, whereby multi-speed recording or CAV (constant angular velocity) recording is carried out. An information recording and reproducing apparatus, using the above method, is also proposed.

摘要翻译： 提出了通过照射用于记录，再现和/或重写信息的电磁波在相变光学记录介质中记录和再现信息的方法，其中当信息通过调制输入而被记录在相变光学记录介质中时 信号和导通脉冲宽度调制记录，用于记录和重写的记录脉冲串是连续电磁波，并且用于输入信号的记录脉冲串是具有前脉冲部分fp，多脉冲部分 具有总脉冲持续时间周期T和占空比y的脉冲宽度和其中占空比y随着相变光学记录介质的记录线速度而减小的截止脉冲部分op增加，从而多速记录 或CAV（恒定角速度）记录。 还提出了使用上述方法的信息记录和再现装置。

公开(公告)号：US20060067203A1

公开(公告)日：2006-03-30

申请号：US11234162

申请日：2005-09-26

申请人： Kazunori Ito ,  Tomomi Ishimi ,  Kazuhiro Kotaka ,  Tatsuya Tomura ,  Yuki Nakamura ,  Katsuyuki Yamada

发明人： Kazunori Ito ,  Tomomi Ishimi ,  Kazuhiro Kotaka ,  Tatsuya Tomura ,  Yuki Nakamura ,  Katsuyuki Yamada

IPC分类号： G11B7/24

CPC分类号： G11B7/24047 ,  G11B7/00454 ,  G11B7/00455 ,  G11B7/243 ,  G11B7/246 ,  G11B7/2463 ,  G11B7/247 ,  G11B7/248 ,  G11B7/263

摘要： An object is to provide an optical recording medium which can obtain a sufficient focusing characteristic even at recording speeds at which a recording linear velocity exceeds 4× speed at the same capacity as a DVD-ROM, and which can suppress in-plane fluctuations of the degree of modulation, and which enables highly reliable recording, and a method of manufacturing the optical recording medium and a recording and reproducing method. To this end, there is provided an optical recording medium having a substrate, and at least a recording layer and a reflective layer on the substrate, wherein the optical recording medium is formed such that the substrate has a set central value of a thickness, and when there is a substrate thickness within a given range from the set central value, an axial direction acceleration of the optical recording medium has a maximum allowable value, and as an amount of deviation from the set central value exceeds the given range, a maximum allowable value of the axial direction acceleration at the optical recording medium becomes smaller.

摘要翻译： 目的在于提供即使在与DVD-ROM相同的容量下记录线速度超过4倍速的记录速度也能获得足够的聚焦特性的光记录介质，并且能够抑制平面内的波动 的调制方式，能够实现高可靠性的记录，以及制造光记录介质的方法和记录和再现方法。 为此，提供了一种光学记录介质，其具有基板，并且至少在基板上具有记录层和反射层，其中形成光记录介质，使得基板具有设定的中心值厚度，以及 当从设定的中心值处的给定范围内存在基板厚度时，光记录介质的轴向加速度具有最大允许值，并且随着偏离设定中心值的量超过给定范围，最大允许值 光记录介质的轴向加速度的值变小。