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1. 发明申请

US20080165642A1 Method for evaluating optical recording medium, evaluation device, and evaluation system 审中-公开
标题翻译：光学记录介质评价方法，评价装置及评价体系
公开(公告)号：US20080165642A1
公开(公告)日：2008-07-10
申请号：US12003582
申请日：2007-12-28
申请人： Tatsuya Kato , Yasuhiro Takagi , Hideki Hirata , Hajime Utsunomiya
发明人： Tatsuya Kato , Yasuhiro Takagi , Hideki Hirata , Hajime Utsunomiya
IPC分类号： G11B20/00
CPC分类号： G11B20/10009 , G11B7/268 , G11B20/10481
摘要： In an evaluation device and an evaluation system, the level of base power is set higher than that in an optimal recording condition at a set room temperature and lower than the level of bias power. In particular, the level of the base power is set so that the jitter value of a recording mark and a blank, which is formed in a required high temperature environment, during reproduction in the high temperature environment becomes minimum. By evaluating the recording characteristic of a recording mark and a blank formed by irradiation of recording laser light in the form of a pulse train, the recording characteristic of an optical recording medium in high-speed recording in high temperature environment is evaluated.
摘要翻译：在评价装置和评价系统中，将基本功率的电平设定为高于设定的室温下的最佳记录条件，并且低于偏置功率的电平。特别地，基本功率的电平被设置为使得在高温环境中的再现期间在所需高温环境中形成的记录标记和空白的抖动值变得最小。通过评价通过以脉冲串的形式记录激光形成的记录标记和空白的记录特性，评估在高温环境中的高速记录中的光记录介质的记录特性。

2. 发明授权

US6087067A Optical recording medium 失效
标题翻译：光记录介质
公开(公告)号：US6087067A
公开(公告)日：2000-07-11
申请号：US55873
申请日：1998-04-07
申请人： Tatsuya Kato , Hajime Utsunomiya , Tsuyoshi Komaki , Hideki Hirata
发明人： Tatsuya Kato , Hajime Utsunomiya , Tsuyoshi Komaki , Hideki Hirata
IPC分类号： G11B7/24 , G11B7/254 , G11B7/257
CPC分类号： G11B7/257 , G11B7/24 , G11B7/2542 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/2571 , G11B2007/25715 , G11B2007/25716 , G11B7/252 , G11B7/2534 , G11B7/256 , Y10S430/146
摘要： An optical recording medium of phase change type, and in particular, a dual side medium prepared by adhering two single side media is provided. In this medium, deformation of record marks generated in the overwriting due to difference in light absorption between the record marks and the region other than the record marks is prevented by providing a reflective layer of high light transmission, and increase in jitter and failure of track servo and focus servo caused by uneven coating of the adhesive layer and the resin protective layer are prevented. The optical recording medium comprises a substrate, a recording layer of phase change type on the surface side of the substrate, and a reflective layer and a light absorption layer disposed in this order on the surface side of the recording layer. The light absorption layer has a light transmission of 85% or higher in wavelength range S (wavelength in the range of 400 to 450 nm), up to 55% at the recording/reproducing wavelength, and 80% or higher in wavelength range L (wavelength in the range of 800 to 830 nm).
摘要翻译：提供了相变型的光记录介质，特别是提供了通过粘附两个单面介质制备的双面介质。在该介质中，由于记录标记与记录标记之外的区域之间的光吸收差异而在重写中产生的记录标记的变形通过提供高光传输的反射层而被防止，并且增加了轨迹的抖动和故障防止了粘合剂层和树脂保护层的不均匀涂覆引起的伺服和聚焦伺服。光记录介质包括基板，基板的表面侧的相变型记录层，以及依次设置在记录层的表面侧的反射层和光吸收层。光吸收层的波长范围S（波长在400〜450nm）的光透射率高达85％以上，记录/再生波长为55％以下，波长范围为80％以上波长在800至830nm的范围内）。

3. 发明申请

US20080239934A1 Optical recording medium and recording film material 有权
标题翻译：光记录介质和记录膜材料
公开(公告)号：US20080239934A1
公开(公告)日：2008-10-02
申请号：US12076070
申请日：2008-03-13
申请人： Hiroshi Shingai , Tatsuya Kato , Masanori Kosuda , Hiroshi Takasaki , Hideki Hirata , Hajime Utsunomiya
发明人： Hiroshi Shingai , Tatsuya Kato , Masanori Kosuda , Hiroshi Takasaki , Hideki Hirata , Hajime Utsunomiya
IPC分类号： G11B7/24
CPC分类号： G11B7/2433 , G11B7/24038 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/25706 , G11B2007/25715 , Y10T428/21
摘要： An optical recording medium is provided which includes two or more information layers in which an Sb-based eutectic material is used as the material for a recording film of a translucent information layer. There is also provided a recording film material for the optical recording medium. The translucent information layer is configured to include a recording film formed of a phase change material SbxGeyInz containing Sb, Ge, and In in an atomic ratio of x:y:z, where 5≦y≦15 and 4≦z≦15 are satisfied. The recording film further includes Te in an atomic ratio of a, provided that x+y+z+a=100 and 4≦a≦15 are satisfied. An interface layer formed of a ZrO2—Cr2O3 film having a thickness of 2 nm or more and 10 nm or less is provided on the laser beam incident side of the recording film. When the compositional ratio of the ZrO2—Cr2O3 film is given by ZrO2:Cr2O3=B:C (mol %), 20≦B≦90, 10≦C≦80, and B+C=100 are satisfied.
摘要翻译：提供了一种光记录介质，其包括其中使用Sb基共晶材料作为半透明信息层的记录膜的材料的两个或更多个信息层。还提供了一种用于光学记录介质的记录膜材料。半透明信息层被配置为包括由包含Sb，Ge和Sb的相变材料Sb x Sub x Z z形成的记录膜;以及在x：y：z的原子比中，其中5 <= y <= 15且4 <= z <= 15。如果满足x + y + z + a = 100和4 <= a <= 15，则记录膜还包括原子比a的Te。提供由厚度为2nm以上且10nm以下的ZrO 2·2L 2 O 3·3膜形成的界面层在记录膜的激光束入射侧。当ZrO 2→2→2→3 <3>膜的组成比由ZrO 2：Cr： B = C（摩尔％），20 <= B <= 90，10 <= C <= 80，B + C = 100。

4. 发明申请

US20080175125A1 Optical recording medium and recording film material 有权
标题翻译：光记录介质和记录膜材料
公开(公告)号：US20080175125A1
公开(公告)日：2008-07-24
申请号：US12010163
申请日：2008-01-22
申请人： Hiroshi Shingai , Tatsuya Kato , Masanori Kosuda , Hiroshi Takasaki , Hideki Hirata , Hajime Utsunomiya
发明人： Hiroshi Shingai , Tatsuya Kato , Masanori Kosuda , Hiroshi Takasaki , Hideki Hirata , Hajime Utsunomiya
IPC分类号： G11B3/74
CPC分类号： G11B7/24038 , G11B7/2433 , G11B7/2578 , G11B7/259 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/25715 , Y10T428/21
摘要： A next-generation optical recording medium has two or more information layers which include a translucent information layer. The translucent information layer has a recording film and an interface layer, provided adjacent to the recording film on the side of the light incident surface. The recording film is made of a phase change material having SbxTeyGez elements and elemental ratios. Y satisfies 5≦y≦15 and z satisfies 5≦z≦15. When In having an elemental ratio of a is further added and x+y+z+a=100 holds, a satisfies 4≦a≦15. The interface layer comprises of ZrO2—Cr2O3 film thickness of which is in a range of from 2 nm to 10 nm. When ZrO2:Cr2O3═C:D (mol %), the compositional ratios ZrO2 and Cr2O3 in the ZrO2—Cr2O3 film, holds, the C satisfies 20≦C≦90, and the D satisfies 10≦D≦80, and the C and the D satisfy C+D=100. The ZrO2 is stabilized ZrO2 which contains Y2O3, when ZrO2:Y2O3=(100-X):X (mol %), the compositional ratios ZrO2 and Y2O3 in the stabilized ZrO2, holds, the X satisfies 2≦X≦10.
摘要翻译：下一代光记录介质具有包括半透明信息层的两个或多个信息层。半透明信息层具有记录膜和界面层，与光入射表面侧的记录膜相邻。该记录膜由具有Sb x Si x Y y z z z元素和元素比的相变材料制成。 Y满足5 <= y <= 15，z满足5 <= z <= 15。当进一步添加具有a的元素比率的In并且x + y + z + a = 100成立时，满足4 <= a <= 15。界面层包含ZrO 2→2→2→3→3→3膜，其膜厚在2nm至10nm的范围内。当ZrO 2：Cr 2 O 3 -C（D）（摩尔％）时，组成比ZrO 2 < 和ZrO 2 -r 2 O 3 O 3膜中的Cr 2 O 3 O 3 满足20 <= C <= 90，D满足10 <= D <= 80，C和D满足C + D = 100。当ZrO 2 2时，ZrO 2 2是稳定的含有Y 2 O 3 O 3的ZrO 2 （100-X）：X（摩尔％），组成比ZrO 2和Y _{2 3 <3>，X满足2 <= X <= 10。}

5. 发明授权

US07960006B2 Optical recording medium and recording film material 有权
标题翻译：光记录介质和记录膜材料
公开(公告)号：US07960006B2
公开(公告)日：2011-06-14
申请号：US12010163
申请日：2008-01-22
申请人： Hiroshi Shingai , Tatsuya Kato , Masanori Kosuda , Hiroshi Takasaki , Hideki Hirata , Hajime Utsunomiya
发明人： Hiroshi Shingai , Tatsuya Kato , Masanori Kosuda , Hiroshi Takasaki , Hideki Hirata , Hajime Utsunomiya
IPC分类号： B32B3/02
CPC分类号： G11B7/24038 , G11B7/2433 , G11B7/2578 , G11B7/259 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/25715 , Y10T428/21
摘要： A next-generation optical recording medium has two or more information layers which include a translucent information layer. The translucent information layer has a recording film and an interface layer, provided adjacent to the recording film on the side of the light incident surface. The recording film is made of a phase change material having SbxTeyGez elements and elemental ratios. Y satisfies 5≦y≦15 and z satisfies 5≦z≦15. When In having an elemental ratio of a is further added and x+y+z+a=100 holds, a satisfies 4≦a≦15. The interface layer comprises of ZrO2—Cr2O3 film thickness of which is in a range of from 2 nm to 10 nm. When ZrO2:Cr2O3═C:D (mol %), the compositional ratios ZrO2 and Cr2O3 in the ZrO2—Cr2O3 film, holds, the C satisfies 20≦C≦90, and the D satisfies 10≦D≦80, and the C and the D satisfy C+D=100. The ZrO2 is stabilized ZrO2 which contains Y2O3, when ZrO2:Y2O3=(100−X):X (mol %), the compositional ratios ZrO2 and Y2O3 in the stabilized ZrO2, holds, the X satisfies 2≦X≦10.
摘要翻译：下一代光记录介质具有包括半透明信息层的两个或多个信息层。半透明信息层具有记录膜和界面层，与光入射表面侧的记录膜相邻。记录膜由具有SbxTeeyGez元素和元素比的相变材料制成。 Y满足5＆nlE; y＆nlE; 15和z满足5＆nlE; z＆nlE; 15。当进一步添加具有a的元素比率的In并且x + y + z + a = 100成立时，a满足4＆nlE; a＆nlE; 15。界面层由ZrO 2 -Cr 2 O 3膜厚度在2nm至10nm的范围内。当ZrO 2：Cr 2 O 3 = C：D（摩尔％）时，ZrO 2 -Cr 2 O 3膜中的ZrO 2和Cr 2 O 3的组成比保持为C，满足20＆nlE; C＆nlE; 90，D满足10＆nlE; D＆nlE; 80，C D满足C + D = 100。当ZrO 2：Y 2 O 3 =（100-X）：X（摩尔％）时，ZrO 2为稳定的含有Y 2 O 3的ZrO 2，稳定的ZrO 2中的ZrO 2和Y 2 O 3的组成比例成立，X满足2＆nlE; X＆nlE; 10。

6. 发明授权

US07197005B2 Optical recording method and medium 有权
标题翻译：光记录方法和介质
公开(公告)号：US07197005B2
公开(公告)日：2007-03-27
申请号：US09971704
申请日：2001-10-09
申请人： Tatsuya Kato , Hideki Hirata , Hajime Utsunomiya , Hiroyasu Inoue
发明人： Tatsuya Kato , Hideki Hirata , Hajime Utsunomiya , Hiroyasu Inoue
IPC分类号： G11B7/24
CPC分类号： G11B7/24079 , G11B7/00454 , G11B7/006 , G11B7/00718 , G11B7/243 , G11B7/256 , G11B7/2578 , G11B7/258 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316
摘要： In an optical recording medium including a grooved light-transparent substrate, a phase change recording layer, a dielectric layer and a reflective layer, recording is carried out by irradiating a laser beam to the recording layer through an objective lens in an optical system. The recording is carried out in a groove recording mode under the conditions: 0.48≦PT/(λ/NA)≦0.74, and PT≦0.50 μm wherein λ is a laser beam wavelength, NA is an objective lens numerical aperture, and PT is a track pitch, thereby forming a recorded mark having opposite ends extending out of the groove. This enables high density recording and increases the data transfer rate of a phase change optical recording medium.
摘要翻译：在包括带槽的光透明基板，相变记录层，电介质层和反射层的光记录介质中，通过光学系统中的物镜将激光束照射到记录层来进行记录。在凹槽记录模式下，在0.48≤P /（λ/ NA）<= 0.74和P <=0.50μm的条件下进行记录其中λ是激光束波长，NA是物镜数值孔径，并且P T T是轨道间距，从而形成具有相对端延伸出凹槽的记录标记。这使得能够进行高密度记录并增加相变光学记录介质的数据传送速率。

7. 发明授权

US07177254B2 Optical recording method for high transfer rates 失效
标题翻译：高传输速率的光记录方法
公开(公告)号：US07177254B2
公开(公告)日：2007-02-13
申请号：US10109594
申请日：2002-03-27
申请人： Tatsuya Kato , Hajime Utsunomiya , Hideki Hirata
发明人： Tatsuya Kato , Hajime Utsunomiya , Hideki Hirata
IPC分类号： G11B7/0045 , G11B20/10 , G11B7/00
CPC分类号： G11B7/0062 , G11B20/10
摘要： An optical recording method that performs recording by irradiating optical recording media with laser beam modulated in intensity based on a write waveform is provided. The write waveform has a plurality of write pulse blocks for forming write marks, and each write pulse block has at least one type of upward pulse. In the event that the width of said upward pulse is so narrow that the laser beam intensity corresponding to the peak intensity of that upward pulse cannot be obtained, the peak intensity of that upward pulse is increased so that, in said laser beam, the beam intensity it should have or a value close thereto is obtained. Thereby, good recording and playback characteristics can be obtained even when recording at a high transfer rate.
摘要翻译：提供了一种通过基于写入波形以强度激光束照射光学记录介质进行记录的光学记录方法。写入波形具有用于形成写入标记的多个写入脉冲块，并且每个写入脉冲块具有至少一种类型的向上的脉冲。在所述上升脉冲的宽度如此窄使得不能获得与该向上脉冲的峰值强度对应的激光束强度的情况下，该向上脉冲的峰值强度增加，使得在所述激光束中，获得其应具有的强度或接近其值。因此，即使以高传送速度进行记录，也可以获得良好的记录和播放特性。

8. 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。

9. 发明申请

US20080310279A1 Rewritable phase-change optical recording medium 有权
标题翻译：可重写相变光学记录介质
公开(公告)号：US20080310279A1
公开(公告)日：2008-12-18
申请号：US12155972
申请日：2008-06-12
申请人： Hiroshi Shingai , Hideki Hirata , Tatsuya Kato , Hiroshi Takasaki , Yasuhiro Takagi , Masaki Sobu , Masanori Kosuda
发明人： Hiroshi Shingai , Hideki Hirata , Tatsuya Kato , Hiroshi Takasaki , Yasuhiro Takagi , Masaki Sobu , Masanori Kosuda
IPC分类号： G11B3/74 , G11B7/00
CPC分类号： G11B7/24 , G11B7/24038 , G11B7/259 , G11B2007/24308 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/25715
摘要： A rewritable phase-change optical recording medium is provided, which includes a substrate, a first information layer, a spacer layer, a second information layer, and a cover layer. The second information layer includes a recording film containing Sb as a main component and V or V and In as second components. When an amorphous mark formed in the recording film is irradiated with a reproduction beam, crystallization of the amorphous mark occurs only in a central portion in the width direction of the amorphous mark. The width direction is orthogonal to the scanning direction of the laser beam. The recording film is formed of a material that exhibits a change in degree of modulation of 5% or less when recorded information is repeatedly reproduced. The change in degree of modulation is a change from when the number of times of reproduction is 100,000 to when it is 400,000.
摘要翻译：提供了一种可重写的相变光学记录介质，其包括基板，第一信息层，间隔层，第二信息层和覆盖层。第二信息层包括含有Sb作为主要成分的记录膜，V或V和In作为第二成分。当在再现光束照射记录膜中形成的非晶标记时，仅在无定形标记的宽度方向的中心部分发生非晶标记的结晶。宽度方向与激光束的扫描方向正交。当记录信息被重复再现时，记录膜由表现出5％以下的调制度变化的材料形成。调制度的变化是从复制次数为100,000到40万的时间的变化。

10. 发明授权

US07760615B2 Rewritable phase-change optical recording medium 有权
标题翻译：可重写相变光学记录介质
公开(公告)号：US07760615B2
公开(公告)日：2010-07-20
申请号：US12155972
申请日：2008-06-12
申请人： Hiroshi Shinngai , Hideki Hirata , Tatsuya Kato , Hiroshi Takasaki , Yasuhiro Takagi , Masaki Sobu , Masanori Kosuda
发明人： Hiroshi Shinngai , Hideki Hirata , Tatsuya Kato , Hiroshi Takasaki , Yasuhiro Takagi , Masaki Sobu , Masanori Kosuda
IPC分类号： G11B7/24
CPC分类号： G11B7/24 , G11B7/24038 , G11B7/259 , G11B2007/24308 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/25715
摘要： A rewritable phase-change optical recording medium is provided, which includes a substrate, a first information layer, a spacer layer, a second information layer, and a cover layer. The second information layer includes a recording film containing Sb as a main component and V or V and In as second components. When an amorphous mark formed in the recording film is irradiated with a reproduction beam, crystallization of the amorphous mark occurs only in a central portion in the width direction of the amorphous mark. The width direction is orthogonal to the scanning direction of the laser beam. The recording film is formed of a material that exhibits a change in degree of modulation of 5% or less when recorded information is repeatedly reproduced. The change in degree of modulation is a change from when the number of times of reproduction is 100,000 to when it is 400,000.
摘要翻译：提供了一种可重写的相变光学记录介质，其包括基板，第一信息层，间隔层，第二信息层和覆盖层。第二信息层包括含有Sb作为主要成分的记录膜，V或V和In作为第二成分。当在再现光束照射记录膜中形成的非晶标记时，仅在无定形标记的宽度方向的中心部分发生非晶标记的结晶。宽度方向与激光束的扫描方向正交。当记录信息被重复再现时，记录膜由表现出5％以下的调制度变化的材料形成。调制度的变化是从复制次数为100,000到40万的时间的变化。

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