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51. 发明授权

US06461710B1 Optical recording medium 失效
标题翻译：光记录介质
公开(公告)号：US06461710B1
公开(公告)日：2002-10-08
申请号：US09456404
申请日：1999-12-08
申请人： Takashi Kikukawa , Hajime Utsunomiya
发明人： Takashi Kikukawa , Hajime Utsunomiya
IPC分类号： B32B302
CPC分类号： B82Y10/00 , C23C14/0623 , G11B7/24 , G11B7/243 , G11B7/257 , Y10T428/21
摘要： In an optical recording medium wherein a layer of nonlinear optical material and a recording layer of phase change type are formed extreme close to each other to enable reading of small record marks beyond diffraction limit, a high C/N is realized and decrease of the C/N in the reading is also suppressed. More illustratively, the optical recording medium has a mask layer (nonlinear optical material layer) and a recording layer of phase change type formed to sandwich an intermediate dielectric layer such that an optical aperture can be formed in the mask layer by irradiation of reading light beam from the side of the mask layer. The intermediate dielectric layer has a thickness of 5 to 70 nm; or near field light generated near the optical aperture is used in the reading. The recording layer contains Ag, In, Sb and Te as its main components and Ge and/or N as its sub-component.
摘要翻译：在其中非线性光学材料层和相变型记录层形成为非常接近以使得能够读取超出衍射极限的小记录标记的光记录介质中，实现了高C / N，并降低了C / N在阅读中也被抑制。更具体地说，光学记录介质具有掩模层（非线性光学材料层）和相变型记录层，以形成夹层中间介质层，使得通过读取光束的照射可以在掩模层中形成光学孔从掩模层的一侧。中间介电层的厚度为5〜70nm; 或在光学孔径附近产生的近场光用于读取。记录层包含Ag，In，Sb和Te作为其主要组分，Ge和/或N作为其子组分。

52. 发明授权

US6103330A Optical recording medium and fabrication method therefor 失效
标题翻译：光记录介质及其制造方法
公开(公告)号：US6103330A
公开(公告)日：2000-08-15
申请号：US75846
申请日：1998-05-12
申请人： Masanori Kosuda , Hajime Utsunomiya , Hiroshi Shingai , Takuya Tsukagoshi
发明人： Masanori Kosuda , Hajime Utsunomiya , Hiroshi Shingai , Takuya Tsukagoshi
IPC分类号： B41M5/26 , C23C14/00 , C23C14/06 , C23C14/34 , G11B7/243 , G11B7/26 , B32B3/00
CPC分类号： G11B7/266 , C23C14/0036 , C23C14/06 , G11B7/243 , G11B2007/24308 , G11B2007/2431 , G11B2007/24314 , G11B2007/24316 , G11B7/00454 , G11B7/258 , G11B7/2595 , Y10S428/913 , Y10S430/146 , Y10T428/21
摘要： The invention provides a method of fabricating an optical recording medium comprising a phase change type recording layer containing at least one element selected from In, Ag, Te and Sb. The recording layer is formed by a sputtering technique wherein sputtering is carried out while an inert gas and an oxygen gas are introduced in a vacuum chamber in a sputtering system, so that the number of overwritable cycles can be increased by simple means.
摘要翻译：本发明提供一种制造光记录介质的方法，该光记录介质包括含有选自In，Ag，Te和Sb中的至少一种元素的相变型记录层。记录层通过溅射技术形成，其中在惰性气体和氧气被引入溅射系统中的真空室中进行溅射，从而可以通过简单的手段增加可重写周期的数量。

53. 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）。

54. 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 。

55. 发明授权

US6030679A Optical recording material and its fabrication method 失效
标题翻译：光学记录材料及其制作方法
公开(公告)号：US6030679A
公开(公告)日：2000-02-29
申请号：US131864
申请日：1998-08-10
申请人： Takao Saito , Hiroshi Shingai , Tatsuya Kato , Hajime Utsunomiya , Katsuaki Yanagiuchi
发明人： Takao Saito , Hiroshi Shingai , Tatsuya Kato , Hajime Utsunomiya , Katsuaki Yanagiuchi
IPC分类号： G11B7/24 , G11B7/243 , G11B7/257 , G11B7/26 , B32B3/00
CPC分类号： G11B7/26 , G11B7/2403 , G11B7/243 , G11B7/257 , G11B2007/24308 , G11B2007/2431 , G11B2007/24316 , G11B2007/25706 , G11B2007/2571 , G11B2007/25715 , G11B2007/25716 , G11B7/00454 , G11B7/24 , G11B7/2534 , G11B7/2542 , G11B7/258 , G11B7/2585 , G11B7/2595 , Y10S428/913 , Y10S430/146 , Y10T428/21
摘要： An optical recording medium comprises a substrate and a multilayer structure on the substrate. The multilayer structure comprises a phase change type recording layer and a pair of dielectric layers, at least one of which contains zinc sulfide optionally with silicon oxide. When a depth profile of the multilayer structure in a thickness direction thereof is found by Auger electron spectroscopy, a region having an intensity ratio S/Zn of 2 or lower exists across a thickness of at least 6.0 nm, calculated as SiO.sub.2, from the vicinity of an interface between the dielectric layer and the recording layer into the recording layer. In the vicinity of the interface between the dielectric layer and the recording layer, there is also a region having an intensity ratio S/Zn vs. O/Si relation that satisfies S/Zn
摘要翻译：光学记录介质包括基底和基底上的多层结构。多层结构包括相变型记录层和一对电介质层，其中至少一层含有任选含有氧化硅的硫化锌。通过俄歇电子能谱法发现其厚度方向上的多层结构的深度分布，从附近存在以SiO 2计算的至少6.0nm的厚度的区域，其强度比S / Zn为2以下。介电层和记录层之间的界面的记录层。在电介质层和记录层之间的界面附近，还存在具有满足S / Zn

56. 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。

57. 发明授权

US07738335B2 Method and apparatus for recording information on an optical recording medium 失效
标题翻译：用于在光学记录介质上记录信息的方法和设备
公开(公告)号：US07738335B2
公开(公告)日：2010-06-15
申请号：US10492814
申请日：2002-10-02
申请人： Tatsuya Kato , Hajime Utsunomiya
发明人： Tatsuya Kato , Hajime Utsunomiya
IPC分类号： G11B7/0045
CPC分类号： G11B7/00454 , G11B7/0062
摘要： It is an object of the present invention to provide a method of recording information to an optical recording medium that is suited to achieving high data transfer rates.The method of recording information according to the present invention is adapted for recording information to an optical recording medium by forming on the optical recording medium a plurality of recording marks selected from a group consisting of several types of recording marks each with different lengths, wherein a bottom power of a laser beam used for forming at least one recording mark contained in the group is set to be higher than a reproducing power of a laser beam used for reproducing information. According to the present invention, since the bottom power helps to erase a recording mark, it is possible to maintain a high erase efficiency even when information is recorded by setting a high data transfer rate.
摘要翻译：本发明的目的是提供一种将信息记录到适于实现高数据传输速率的光记录介质上的方法。根据本发明的记录信息的方法适于通过在光学记录介质上形成多个记录标记来将信息记录到光学记录介质上，所述多个记录标记选自具有不同长度的几种类型的记录标记，其中a 用于形成组中包含的至少一个记录标记的激光束的底部功率被设置为高于用于再现信息的激光束的再现功率。根据本发明，由于底部功率有助于擦除记录标记，所以即使通过设置高的数据传送速率记录信息，也可以保持较高的擦除效率。

58. 发明申请

US20100007932A1 Optical recording medium and method for manufacturing the same 审中-公开
标题翻译：光记录介质及其制造方法
公开(公告)号：US20100007932A1
公开(公告)日：2010-01-14
申请号：US12457195
申请日：2009-06-03
申请人： Motohiro Inoue , Jiro Yoshinari , Atsuko Kosuda , Naoki Hayashida , Hajime Utsunomiya
发明人： Motohiro Inoue , Jiro Yoshinari , Atsuko Kosuda , Naoki Hayashida , Hajime Utsunomiya
IPC分类号： G03H1/02 , G03F7/00
CPC分类号： G03H1/18 , G03H2001/184 , G03H2001/2615 , G11B7/0065 , G11B7/00781 , G11B7/24038 , G11B7/24044 , G11B7/26 , G11B7/268
摘要： An optical recording medium has a recording layer formed of a plurality of reflection hologram layers. A spacer layer is interposed between the respective reflection hologram layers. The reflection hologram layer is made of a material having a thermal threshold value which allows, when being irradiated with a recording laser beam, local absorbed heat to vary hologram diffraction conditions at a focal position, and allows the hologram to be retained at non-focal positions. The spacer layer is made of a material which is insensitive to a laser beam of a recording wavelength and which has a smaller extinction coefficient than that of the reflection hologram layer.
摘要翻译：光记录介质具有由多个反射全息图层形成的记录层。间隔层插入各反射全息图层之间。反射全息图层由具有热阈值的材料制成，该热阈值在被记录激光束照射时允许局部吸收的热量来改变聚焦位置处的全息衍射条件，并允许全息图保持在非焦点职位间隔层由对记录波长的激光束不敏感的材料制成，其消光系数比反射全息图层的消光系数小。

59. 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。

60. 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。

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