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1. 发明申请

WO2006030938A1 OPTICAL RECORDING MEDIUM, RECORDING METHOD THEREOF AND EVALUATION METHOD OF OPTICAL RECORDING MEDIUM 审中-公开
标题翻译：光记录介质，其记录方法及光记录介质的评估方法
公开(公告)号：WO2006030938A1
公开(公告)日：2006-03-23
申请号：PCT/JP2005/017224
申请日：2005-09-13
申请人： Ricoh Company, Ltd. , KATO, Masaki , ITO, Kazunori , DEGUCHI, Hiroshi , OHKURA, Hiroko , ABE, Mikiko , SEKIGUCHI, Hiroyoshi
发明人： KATO, Masaki , ITO, Kazunori , DEGUCHI, Hiroshi , OHKURA, Hiroko , ABE, Mikiko , SEKIGUCHI, Hiroyoshi
IPC分类号： G11B7/0045 , G11B7/125
CPC分类号： G11B7/0062 , G11B7/00375
摘要： A recording method of an optical recording medium comprises irradiating the medium with a laser having m pulse sets each comprising a heating pulse and a cooling pulse, in which m is a natural number; and scanning the medium with the laser at a scanning speed v to record marks each of a length nT, in which n is a natural number of 3 or more and T is a clock cycle, wherein a length T CPn of a final cooling pulse is determined in accordance with the scanning speed v using the following functions, in v 0 , T CPn /T = f 1 , n (v) in v v 0 , T CPn /T = f 2 , n (v), where the f 1 , n (v) and f 2 , n (v) each represents a continuous function of the scanning speed v and satisfies the condition where an existence ratio of abnormal marks is 1.0 x 10 -4 or less, and v 0 is a selectable scanning speed.
摘要翻译：光记录介质的记录方法包括用m个脉冲组的激光照射介质，每个脉冲组包括加热脉冲和冷却脉冲，其中m是自然数; 并且以扫描速度v用激光扫描介质，以记录每个长度为nT的标记，其中n是3或更大的自然数，T是时钟周期，其中长度T

2. 发明申请

WO2006028251A1 OPTICAL RECORDING MEDIUM 审中-公开
标题翻译：光学记录介质
公开(公告)号：WO2006028251A1
公开(公告)日：2006-03-16
申请号：PCT/JP2005/016862
申请日：2005-09-07
申请人： Ricoh Company, Ltd. , SEKIGUCHI, Hiroyoshi , ITO, Kazunori , DEGUCHI, Hiroshi , OHKURA, Hiroko , KATO, Masaki , ABE, Mikiko
发明人： SEKIGUCHI, Hiroyoshi , ITO, Kazunori , DEGUCHI, Hiroshi , OHKURA, Hiroko , KATO, Masaki , ABE, Mikiko
IPC分类号： G11B7/24 , G11B7/243 , B41M5/26
CPC分类号： G11B7/252 , G11B7/24035 , G11B7/24079 , G11B7/24082 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316
摘要： An optical recording medium contains a recording layer being composed of a phase-change recording material where at least four elements, Ga, Sb, Sn and Ge are contained and the transfer linear velocity is 20 m/s to 30 m/s , and when the wavelength of a recording/reproducing light is within the range of 650 nm to 665 nm and the recording linear velocity is 20 m/s to 28 m/s, the refractive index Nc and the extinction coefficient Kc in a crystalline state and the refractive index Na and the extinction coefficient Ka in an amorphous state in the recording layer respectively satisfy the following numerical expressions: 2.0 ≤ Nc ≤ 3.0, 4.0 ≤ Kc ≤ 5.0, 4.0 ≤ Na ≤ 5.0, and 2.5 ≤ Ka ≤ 3.1, and information is recordable at the range of 20 m/s to 28 m/s of recording linear velocity.
摘要翻译：光记录介质包含由相变记录材料组成的记录层，其中包含至少四个元素Ga，Sb，Sn和Ge，并且转印线速度为20m / s至30m / s，并且当记录/再现光的波长在650nm至665nm的范围内，记录线速度为20m / s至28m / s，结晶状态下的折射率Nc和消光系数Kc以及折射率记录层中的非晶状态的Na和消光系数Ka分别满足以下数值：2.0 = Nc = 3.0,4.0 = Kc = 5.0,4.0 = Na = 5.0，2.5 = Ka = 3.1，信息为可记录在20米/秒至28米/秒的记录线速度范围内。

3. 发明申请

WO2006107100A1 OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING METHOD 审中-公开
标题翻译：光记录介质和光学记录方法
公开(公告)号：WO2006107100A1
公开(公告)日：2006-10-12
申请号：PCT/JP2006/307388
申请日：2006-03-31
申请人： Ricoh Company, Ltd. , ITO, Kazunori , HIBINO, Eiko , ABE, Mikiko , DEGUCHI, Hiroshi , OHKURA, Hiroko , MIURA, Hiroshi
发明人： ITO, Kazunori , HIBINO, Eiko , ABE, Mikiko , DEGUCHI, Hiroshi , OHKURA, Hiroko , MIURA, Hiroshi
IPC分类号： G11B7/0045 , G11B7/125
CPC分类号： G11B7/0062 , G11B7/1263 , G11B7/2433 , G11B2007/24304 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314
摘要： An optical recording method to record information with a mark length recording method, where an amorphous mark and a crystal space are recorded only in the groove of a substrate having a guide groove, with the temporal length of the mark and the space of nT (T denotes a reference clock period; n denotes a natural number). The space is formed at least by an erase pulse of power P e ; all the marks of 4T or longer are formed by a multi pulse alternatively irradiating a heating pulse of power P w and a cooling pulse of power P b while P w > P b ; and the P e and the P w satisfy the following relations: 0.15 ≤ P e /P w ≤ 0.4, and 0.4 ≤ τ w /( τ w + τ b ) ≤ 0.8, where τ w denotes the sum of the length of the heating pulses, and τ b denotes the sum of the length of the cooling pulses.
摘要翻译：一种记录具有标记长度记录方法的信息的光学记录方法，其中无定形标记和晶体空间仅记录在具有引导槽的基板的凹槽中，标记的时间长度和nT（T 表示参考时钟周期; n表示自然数）。所述空间至少形成为功率消除脉冲P＆lt; 4T以上的所有标记由多脉冲形成，交替地照射功率P＆lt; W＆gt;的加热脉冲和功率P＆gt; b＆gt;的冷却脉冲，而P < P ; 并且P＆lt; e＆gt;和P＆lt; W＆gt;满足以下关系：0.15 = P＆lt; / P＆gt; w / ，和0.4 = t / w /（t / w + t B）= 0.8，其中t W w表示加热脉冲的长度之和，而t B b表示冷却脉冲的长度之和。

4. 发明公开

EP1789962A1 OPTICAL RECORDING MEDIUM, RECORDING METHOD THEREOF AND EVALUATION METHOD OF OPTICAL RECORDING MEDIUM 审中-公开
标题翻译：光记录介质，其记录方法和评价程序的光学记录介质
公开(公告)号：EP1789962A1
公开(公告)日：2007-05-30
申请号：EP05785298.0
申请日：2005-09-13
申请人： Ricoh Company, Ltd.
发明人： KATO, Masaki , ITO, Kazunori , DEGUCHI, Hiroshi , OHKURA, Hiroko , ABE, Mikiko , SEKIGUCHI, Hiroyoshi
IPC分类号： G11B7/0045 , G11B7/125
CPC分类号： G11B7/0062 , G11B7/00375
摘要： A recording method of an optical recording medium comprises irradiating the medium with a laser having m pulse sets each comprising a heating pulse and a cooling pulse, in which m is a natural number; and scanning the medium with the laser at a scanning speed v to record marks each of a length nT, in which n is a natural number of 3 or more and T is a clock cycle, wherein a length TCPn of a final cooling pulse is determined in accordance with the scanning speed v using the following functions, in v

5. 发明公开

EP1866916A1 OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING METHOD 审中-公开
标题翻译：光学记录介质和光学记录方法
公开(公告)号：EP1866916A1
公开(公告)日：2007-12-19
申请号：EP06731336.1
申请日：2006-03-31
申请人： Ricoh Company, Ltd.
发明人： ITO, Kazunori , HIBINO, Eiko Promenade Nakamachidai , ABE, Mikiko , DEGUCHI, Hiroshi , OHKURA, Hiroko , MIURA, Hiroshi, Midoriyama Ritz 201
IPC分类号： G11B7/0045 , G11B7/125
CPC分类号： G11B7/0062 , G11B7/1263 , G11B7/2433 , G11B2007/24304 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314
摘要： An optical recording method to record information with a mark length recording method, where an amorphous mark and a crystal space are recorded only in the groove of a substrate having a guide groove, with the temporal length of the mark and the space of nT (T denotes a reference clock period; n denotes a natural number). The space is formed at least by an erase pulse of power Pe; all the marks of 4T or longer are formed by a multi pulse alternatively irradiating a heating pulse of power Pw and a cooling pulse of power Pb while Pw>Pb; and the Pe and the Pw satisfy the following relations: 0.15 0.4 where tauw denotes the sum of the length of the heating pulses, and taub denotes the sum of the length of the cooling pulses.
摘要翻译：一种利用标记长度记录方法记录信息的光记录方法，其中非标记和晶体空间仅记录在具有引导槽的衬底的凹槽中，标记的时间长度和空间nT（T 表示参考时钟周期; n表示自然数）。该空间至少由功率Pe的擦除脉冲形成; 所有4T或更长的标记由多脉冲形成，交替地照射功率Pw的加热脉冲和功率Pb的冷却脉冲，同时Pw> Pb; 并且Pe和Pw满足以下关系：0.15≤Pe/Pw≤0.4和0.4≤τw/（τw+τb）≤0.8，其中τw表示加热脉冲的长度的总和，并且τb表示冷却脉冲的长度。

6. 发明公开

EP1659576A1 PHASE-CHANGE OPTICAL RECORDING MEDIUM, OPTICAL RECODING METHOD, AND OPTICAL RECORDER 有权
标题翻译： OPTISCHES PHASENNDNDUNUNGS-AUFZEICHNUNGSMEDIUM，OPTISCHES AUFZEICHNUNGSVERFAHREN UND OPTISCHER RECORDER
公开(公告)号：EP1659576A1
公开(公告)日：2006-05-24
申请号：EP04772063.6
申请日：2004-08-24
申请人： Ricoh Company, Ltd.
发明人： YUZURIHARA, Hajime , DEGUCHI, Hiroshi; , YAMADA, Katsuyuki; , NARUMI, Shinya; , ABE, Mikiko , HIBINO, Eiko , MIURA, Hiroshi
IPC分类号： G11B7/0045 , G11B7/125 , G11B7/007 , G11B7/24
CPC分类号： G11B7/0062 , G11B7/243 , G11B2007/24308 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316
摘要： The object is to provide an optical recording method improving the recording characteristics and uniformity in a CAV recording on a phase-change optical recording medium, particularly a high-speed rewritable DVD medium, and a phase-change optical recording medium and an optical recording apparatus used by the method. Regarding a recording method for recording on the phase-change optical recording medium where a recording light comprises a pulse string of heating and cooling pulses, and a light for erasing, an irradiation power is controlled by peak power (Pp), bottom power (Pb) and erase power (Pe), at least any one of Pe/Pp, Pp, Pb and Pe is variable from the minimum to maximum recording linear velocities allowed for the medium, and further the irradiation time of each pulse is varied proportionally with clock T corresponding to a recording linear velocity, the present invention provides an optical recording method which performs a recording by varying at least Pe/Pp from a specific recording linear velocity lower than a peculiar recording linear velocity at which the recording linear velocity degrades abruptly showing a local maximum value, and an optical recording medium and an optical recording apparatus used by the method.
摘要翻译：本发明的目的是提供一种改善相变光记录介质，特别是高速可重写DVD介质上的CAV记录的记录特性和均匀性的光记录方法，以及相变光记录介质和光记录装置由方法使用。关于在相变光学记录介质上记录记录方法，其中记录光包括加热和冷却脉冲的脉冲串和用于擦除的光，照射功率由峰值功率（Pp），底部功率（Pb））和擦除功率（Pe），Pe / Pp，Pp，Pb和Pe中的至少任一个可以从介质允许的最小到最大记录线速度变化，并且每个脉冲的照射时间与时钟成比例地变化对应于记录线速度，本发明提供一种光记录方法，其通过从低于记录线速度突然劣化的特有记录线速度的特定记录线速度改变至少Pe / Pp来执行记录，局部最大值，以及该方法使用的光记录介质和光记录装置。

7. 发明公开

EP1690692A1 PHASE-CHANGE OPTICAL RECORDING MEDIUM 审中-公开
标题翻译： OPTISCHES PHASENWECHSEL-AUFZEICHNUNGSMEDIUM
公开(公告)号：EP1690692A1
公开(公告)日：2006-08-16
申请号：EP04799504.8
申请日：2004-11-04
申请人： Ricoh Company, Ltd.
发明人： OHKURA, Hiroko , ITO, Kazunori , DEGUCHI, Hiroshi , KATO, Masaki , ABE, Mikiko
IPC分类号： B41M5/26 , G11B7/24
CPC分类号： G11B7/243 , G11B7/00454 , G11B7/2534 , G11B7/259 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314
摘要： The present invention is a phase-change optical recording medium where a distribution of reflection rates within a periphery after initial crystallization is uniform, and overwriting record at the same capacity as the capacity in DVD-ROM and at a recording linear velocity of 10 times speed (35 m/s) is possible, comprising a substrate; a first intermediate layer; a recording layer; a second intermediate layer; and a reflective layer, wherein the first intermediate layer, the recording layer, the second intermediate layer; and the reflective layer are formed on the substrate in this order,
the recording layer is composed of an alloy with a composition represented by GaαSnβInγSbδ (α, β,γ and δ are atomic ratios, 5≤α≤20, 2≤β≤20, 2≤γ≤20, 40≤δ≤80, α + β + γ + δ = 100); and the phase-change optical recording medium is writable and erasable by taking advantage of a reversible phase change between an amorphous phase and a crystal phase in the recording layer.
摘要翻译：本发明是一种相变光学记录介质，其中在初始结晶之后的周边内的反射率分布是均匀的，并且以与DVD-ROM中的容量相同的容量和10倍速度的记录线速度重写记录（35m / s），包括基板; 第一中间层; 记录层; 第二中间层; 和反射层，其中所述第一中间层，所述记录层，所述第二中间层; 并且反射层依次形成在基板上，记录层由具有由Ga + Sn 2 In 3 Sb'（±，2，3和'为原子比，5‰¤±‰¤20）表示的组成的合金组成， 2‰¤‰¤20，2‰¤‰¤20，40‰¤‰¤80，±+²+³+'= 100）; 并且通过利用记录层中的非晶相和结晶相之间的可逆相变的优点，相变光学记录介质是可写的和可擦除的。

8. 发明公开

EP1690691A1 OPTICAL RECORDING MEDIUM, PROCESS FOR PRODUCING THE SAME, SPUTTERING TARGET, METHOD OF USING OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING APPARATUS 审中-公开
标题翻译：光记录介质，PROCESS FOR PRODUCING THE SAME，溅射靶，使用记录介质和光学记录光学装置之方法
公开(公告)号：EP1690691A1
公开(公告)日：2006-08-16
申请号：EP04799496.7
申请日：2004-11-04
申请人： Ricoh Company, Ltd.
发明人： KATO, Masaki , ABE, Mikiko , ITO, Kazunori , DEGUCHI, Hiroshi , OHKURA, Hiroko , SEKIGUCHI, Hiroyoshi
IPC分类号： B41M5/26 , G11B7/24 , G11B7/0045
CPC分类号： G11B7/243 , G11B7/00454 , G11B7/259 , G11B7/266 , G11B2007/24304 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314
摘要： The present invention provides a high-quality optical recording medium enabling direct overwriting even at a scanning speed of 20 m/s or more, which is as fast as 6X DVD or more as well as minimizing degradation thereof with time and to provide a method for producing the optical recording medium, a sputtering target, a method for using the optical recording medium, and an optical recording apparatus. To achieve the object, the optical recording medium is provided with at least a first protective layer, a recording layer, a second protective layer, and a reflective layer in this order or in reverse order, where the recording layer contains a composition expressed by the formula, (Ga α Sb 1-α ) 1-β-γ Sn β Zn γ
(where α, β, and γ respectively represent an atomic ratio of their respective elements and are expressed as 0.12 ≤ α ≤ 0.20, 0.10 ≤ β ≤ 0.25, and 0.02 ≤ γ ≤ 0.10).
摘要翻译：本发明提供了一种高品质的光学记录介质使得能够直接重写，即使在以20m / s以上的扫描速度，所有这一切是一样快，6X DVD或多个以及最小化降解随着时间其，并提供一种方法，用于制造的光学记录介质中，溅射靶，用于使用所述光记录介质的方法，以及光记录装置。为了实现上述目的，该光学记录介质具有至少第一保护层，记录层，第二保护层，并且在本次序或按相反的顺序，其中，所述记录层包含由表示的组成的反射层式，（GA锑±1±）1-²³-Sn系²³锌（其中±²，和³在它们respectivement元素的原子比分别表示和被过表达为0时12‰¤¤‰±0点20分，○时10‰ ¤²‰¤0.25和00:02‰¤³‰¤0.10）。

9. 发明公开

EP1669988A1 OPTICAL RECORDING MEDIUM 审中-公开
标题翻译：光学记录介质
公开(公告)号：EP1669988A1
公开(公告)日：2006-06-14
申请号：EP04788210.5
申请日：2004-09-27
申请人： Ricoh Company, Ltd.
发明人： ABE, Mikiko , ITO, Kazunori , DEGUCHI, Hiroshi , OHKURA, Hiroko, Avenir 77A-103 , KATO, Masaki
IPC分类号： G11B7/24 , B41M5/26
CPC分类号： G11B7/252 , G11B7/00454 , G11B7/24062 , G11B7/24079 , G11B7/243 , G11B7/2534 , G11B7/258 , G11B7/259 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314
摘要： An object of the present invention is to provide an optical recording medium for high speed recording corresponding to 3x speed to 10x speed (10 m/s to 36 m/s) of DVD with a favorable recording sensitivity and overwriting performance (or characteristic). Therefore, the optical recording medium is characterized by providing on the transparent substrate at least a first protective layer, a phase-change recording layer having a maximum recording linear velocity of 10.0 m/s or more and is capable of being recorded at least at any one linear velocity of 10.0 m/s to 36.0 m/s, a second protective layer, a reflective layer having a thermal conductivity of 300 W/m·K or more and a layer of a low thermal conductivity material having a thermal conductivity of 7 W/m.K or less disposed between the second protective layer and the reflective layer with a thickness of 0.5 nm or more and 8.0 nm or less.
摘要翻译：本发明的一个目的是提供一种用于高速记录的光学记录介质，该记录介质对应于具有良好的记录灵敏度和重写性能（或特性）的DVD的3倍速到10倍速（10m / s到36m / s）。因此，光记录介质的特征在于，在透明基板上至少设置第一保护层，具有最大记录线速度为10.0m / s以上的相变记录层，并且至少能够记录 10.0m / s〜36.0m / s的一次线速度，第二保护层，导热率为300W / m·K以上的反射层，导热系数为7的低导热率材料层设置在第二保护层与反射层之间的厚度为0.5nm以上且8.0nm以下的W / mK以下。

10. 发明公开

EP1662491A1 INFORMATION RECORDING METHOD, OPTICAL INFORMATION RECORDING MEDIUM, AND INFORMATION RECORDING DEVICE 审中-公开
标题翻译：信息资讯全球网络信息安全资讯
公开(公告)号：EP1662491A1
公开(公告)日：2006-05-31
申请号：EP04771713.7
申请日：2004-08-16
申请人： Ricoh Company, Ltd.
发明人： KATO, Masaki , OHKURA, Hiroko , ITO, Kazunori , DEGUCHI, Hiroshi , ABE, Mikiko
IPC分类号： G11B7/0045 , G11B7/125
CPC分类号： G11B7/0062 , G11B7/00454 , G11B7/00456
摘要： An optical information recording method is disclosed, which is for recording information at constant linear density in an optical recording medium that is rotated at a constant angular speed, the recording being carried out by irradiating a laser beam that contains the same number of mark recording periods that consist of a heating power period and a cooling power period. According to the optical information recording method, a mark having a length equivalent to an even number times a basic clock period is formed by a pulse train generated with a period equivalent to twice the basic clock period; and a mark having a length equivalent to an odd number times the basic clock period is formed by a pulse train where the first mark recording period is delayed by a first time, and the first mark recording period and the second last mark recording period are made longer than twice the basic clock period.
摘要翻译：公开了一种光信息记录方法，其用于在以恒定角速度旋转的光学记录介质中以恒定的线密度记录信息，该记录是通过照射包含相同数量的标记记录周期的激光束来进行的其由加热功率周期和冷却功率周期组成。根据光学信息记录方法，通过在相当于基本时钟周期的两倍的周期产生的脉冲串形成具有等于偶数倍的基本时钟周期的长度的标记; 并且通过脉冲串形成具有等于奇数倍的基本时钟周期的标记，其中第一标记记录周期被第一次延迟，并且制作第一标记记录周期和第二最后标记记录周期超过基本时钟周期的两倍。

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