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31. 发明申请

US20050041568A1 Optical recording medium and method of recording information to optical recording medium 有权
标题翻译：光记录介质以及向光记录介质记录信息的方法
公开(公告)号：US20050041568A1
公开(公告)日：2005-02-24
申请号：US10502000
申请日：2003-01-29
申请人： Hiroshi Shingai , Tatsuya Kato , Hajime Utsunomiya
发明人： Hiroshi Shingai , Tatsuya Kato , Hajime Utsunomiya
IPC分类号： G11B7/24 , G11B7/0045
CPC分类号： G11B7/24035 , G11B7/252 , G11B7/259 , G11B2007/24306 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25708 , G11B2007/25715
摘要： It is an object of the present invention to provide an optical recording medium that is suitable for recording information therein at a high velocity. An optical recording medium according to the present invention includes a recording layer formed of a phase change material and capable of recording data therein at a linear recording velocity equal to or higher than 10 m/sec, wherein Rtop satisfies the condition that it is larger than {11−(V/5)} and smaller than {22−(2V/5)}, where Rtop (%) is a reflectivity of the crystal phase change material forming the recording layer and V (m/sec) is a target linear recording velocity. According to the present invention, since modulation (MOD) of 50% or more can be ensured, it is possible to effectively suppress the degradation of jitter caused by recording data at a high linear recording velocity equal to or higher than 10 m/sec.
摘要翻译：本发明的目的是提供一种适合于以高速记录信息的光记录介质。根据本发明的光记录介质包括由相变材料形成并能够以等于或高于10m / sec的线性记录速度记录数据的记录层，其中Rtop满足大于 {11-（V / 5）}且小于{22-（2V / 5）}，其中Rtop（％）是形成记录层的晶体相变材料的反射率，V（m / sec）线性记录速度。根据本发明，由于可以确保50％以上的调制（MOD）（MOD），所以可以有效地抑制由高于10m /秒的高线性记录速度的记录数据引起的抖动的劣化。

32. 发明授权

US06677104B2 Optical information medium 有权
标题翻译：光信息媒体
公开(公告)号：US06677104B2
公开(公告)日：2004-01-13
申请号：US09779513
申请日：2001-02-09
申请人： Tetsuro Mizushima , Hiroyasu Inoue , Hiroshi Shingai , Hajime Utsunomiya
发明人： Tetsuro Mizushima , Hiroyasu Inoue , Hiroshi Shingai , Hajime Utsunomiya
IPC分类号： G11B724
CPC分类号： G11B7/258 , G11B7/24 , G11B7/2534 , G11B7/2542 , G11B7/2585 , G11B7/259 , G11B7/2595 , G11B11/10584 , Y10S430/146
摘要： Noise of the read-out signal is reduced in an optical information medium comprising a supporting substrate and a reflective layer disposed on the supporting substrate wherein the reading beam irradiates the medium from the side where the reflective layer is formed. In addition, noise of the read-out signal is reduced without adversely affecting the recording properties in an optical information medium comprising a supporting substrate, and a reflective layer and a recording layer disposed on the supporting substrate in this order wherein the recording beam irradiates the medium from the side where the reflective layer is formed. In the medium, the reflective layer has a crystallite size of up to 30 nm.
摘要翻译：在包括支撑基板和设置在支撑基板上的反射层的光学信息介质中，读出信号的噪声减小，其中读取光束从形成反射层的一侧照射介质。此外，减少读出信号的噪声，而不会对包括支撑衬底的光学信息介质以及设置在支撑衬底上的反射层和记录层的光学信息介质的记录特性产生不利影响，其中记录光束照射介质从反射层形成的一侧。在介质中，反射层的微晶尺寸高达30nm。

33. 发明授权

US06618349B2 Optical recording medium and its designing method 失效
标题翻译：光记录介质及其设计方法
公开(公告)号：US06618349B2
公开(公告)日：2003-09-09
申请号：US09788589
申请日：2001-02-21
申请人： Hiroyasu Inoue , Hajime Utsunomiya , Hiroshi Shingai , Tetsuro Mizushima , Tatsuya Kato
发明人： Hiroyasu Inoue , Hajime Utsunomiya , Hiroshi Shingai , Tetsuro Mizushima , Tatsuya Kato
IPC分类号： G11B700
CPC分类号： G11B7/007
摘要： In an optical recording medium of land/groove recording system, a sufficient tilt margin and a reduced cross talk are realized simultaneously with a sufficiently increased output. Provided is an optical recording medium having a light-transmitting substrate formed with grooves wherein the grooves and the region between adjacent grooves are used for the recording track, and a reading beam is irradiated through the light-transmitting substrate, wherein the relations: −12.6T+15.6≦x≦25T−3.8, and 0.55≦T≦0.68 are satisfied when the reading beam has a wavelength of &lgr;, the light-transmitting substrate has a refractive index at the wavelength &lgr; of n, the reading optical system has a numerical aperture of NA, recording track pitch is PT, the groove has a depth of &lgr;/(x·n), and T is PT/(&lgr;/NA).
摘要翻译：在平台/凹槽记录系统的光记录介质中，充分提高输出同时实现足够的倾斜余量和减少的串扰。提供了一种光记录介质，其具有形成有沟槽的光透射基板，其中沟槽和相邻凹槽之间的区域用于记录轨道，并且通过透光基板照射读取光束，其中满足关系：当读取光束具有lambd的波长时，透光衬底的折射率为n的波长，读取光学系统具有NA的数值孔径，记录轨道间距为PT，槽具有lambd的深度 /（xn），T为PT /（lambd / NA）。

34. 发明授权

US06333913B1 Optical recording medium and optical recording method 失效
标题翻译：光记录介质和光记录方法
公开(公告)号：US06333913B1
公开(公告)日：2001-12-25
申请号：US09412761
申请日：1999-10-05
申请人： Jiro Yoshinari , Hiroshi Shingai , Takuya Tsukagoshi
发明人： Jiro Yoshinari , Hiroshi Shingai , Takuya Tsukagoshi
IPC分类号： G11B370
CPC分类号： G11B7/126 , G11B7/00454 , G11B7/00718 , G11B7/24 , G11B7/24085
摘要： An optical recording medium of phase change type wherein favorable recording/reproducing properties are realized in high density recording, in particular, when the minimum mark length is up to 0.6 &mgr;m and the track pitch is up to 0.7 &mgr;m is provided. An optical recording method wherein high transfer rate is realized in the use of such high density recording medium is also provided. The optical recording medium has a recording layer having a thickness dr of 10 to 18 nm, and the first dielectric layer comprises one or more unit dielectric layers and the number of the unit dielectric layers is m (m: an integer of 1 or more). The relation: λ 2 ≤ ∑ i = 1 m ⁢ n i ⁢ d i + n r ⁢ d r ≤ 3 ⁢ λ 4 is satisfied when i-th unit dielectric layer from the substrate has a thickness of di and a refractive index of ni at the recording/reproducing light wavelength of &lgr;, and the recording layer in its crystalline state has a refractive index of nr. The second dielectric layer has a thickness D in the range of 10 to 50 nm.
摘要翻译：具有在高密度记录中实现良好的记录/再现特性的相变型光记录介质，特别是当最小标记长度高达0.6μm并且轨道间距高达0.7μm时。还提供了在使用这种高密度记录介质时实现高传输速率的光学记录方法。光记录介质具有厚度为10〜18nm的记录层，第一介质层包含一个以上的单位电介质层，单位电介质层数为m（m：1以上的整数）。当从基板的第i个单位介电层具有di的厚度和在lambd的记录/再现光波长处的ni的折射率，并且其结晶状态的记录层的折射率为nr时，满足以下关系：。第二电介质层的厚度D在10〜50nm的范围内。

35. 发明授权

US6071587A Optical recording medium and its recording method 失效
标题翻译：光记录介质及其记录方法
公开(公告)号：US6071587A
公开(公告)日：2000-06-06
申请号：US163604
申请日：1998-09-30
申请人： Jiro Yoshinari , Masanori Kosuda , Hiroshi Shingai , Hiroshi Chihara
发明人： Jiro Yoshinari , Masanori Kosuda , Hiroshi Shingai , Hiroshi Chihara
IPC分类号： G11B7/00 , G11B7/0045 , G11B7/0055 , G11B7/006 , G11B7/125 , G11B7/24 , G11B7/254 , G11B7/257 , B32B3/00
CPC分类号： G11B7/24038 , G11B7/006 , G11B7/126 , G11B7/2578 , G11B2007/24308 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/2571 , G11B2007/25713 , G11B2007/25715 , G11B2007/25716 , G11B7/00557 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2542 , G11B7/256 , Y10S428/913 , Y10S430/146 , Y10T428/21
摘要： An optical recording medium of phase change type which exhibits an increased number of overwritable operations is provided. The optical recording medium comprises a substrate, and a first dielectric layer, a recording layer, a second dielectric layer, and a metal reflective layer disposed on the substrate in this order, and the first dielectric layer comprises a dielectric layer 1a on the side of the substrate and a dielectric layer 1b in contact with the recording layer. The dielectric layer 1a comprises ZnS--SiO.sub.2, and the dielectric layer 1b comprises Si.sub.3 N.sub.4 and/or Ge.sub.3 N.sub.4. The second dielectric layer may comprise a single layer of ZnS--SiO.sub.2, SiO.sub.2 or oxide of a rare earth metal. The second dielectric layer may also comprise a laminate of a dielectric layer 2a comprising ZnS--SiO.sub.2 on the side of the substrate and a dielectric layer 2b comprising SiO.sub.2 or oxide of a rare earth metal on the side of the reflective layer. The dielectric layer 1b has a thickness of 0.5 to 40 nm, and ratio of thickness of the dielectric layer 1b to the thickness of the first dielectric layer is up to 0.5.
摘要翻译：提供一种表现出增加数量的可重写操作的相变型光记录介质。光记录媒体依次包括基板，第一介电层，记录层，第二介质层和金属反射层，第一介质层包括位于基板上的介质层1a 基板和与记录层接触的电介质层1b。电介质层1a包括ZnS-SiO 2，电介质层1b包括Si 3 N 4和/或Ge 3 N 4。第二电介质层可以包括单层ZnS-SiO 2，SiO 2或稀土金属的氧化物。第二电介质层还可以包括在衬底侧上包含ZnS-SiO 2的电介质层2a和在反射层一侧包含SiO 2或稀土金属氧化物的电介质层2b的叠层。电介质层1b的厚度为0.5〜40nm，电介质层1b的厚度与第一电介质层的厚度的比例为0.5以下。

36. 发明授权

US5981014A Optical recording medium and method for preparing the same 失效
标题翻译：光记录介质及其制备方法
公开(公告)号：US5981014A
公开(公告)日：1999-11-09
申请号：US75849
申请日：1998-05-12
申请人： Takuya Tsukagoshi , Masanori Kosuda , Hiroshi Shingai
发明人： Takuya Tsukagoshi , Masanori Kosuda , Hiroshi Shingai
IPC分类号： B41M5/26 , C23C14/06 , G11B7/24 , G11B7/243 , G11B7/257 , G11B7/26 , B32B3/00
CPC分类号： C23C14/06 , G11B7/243 , G11B7/257 , G11B7/26 , G11B2007/24308 , G11B2007/2431 , G11B2007/24314 , G11B2007/24316 , G11B7/258 , G11B7/2595 , Y10S428/913 , Y10S430/146 , Y10T428/21
摘要： An optical recording medium of phase change type with an increased number of overwritable operations and method for preparing such an optical recording medium is provided. In the optical recording medium of phase change type whose rate determining stage in the production has been the initialization of the recording layer, the time required for the production is reduced, and stable recording/reproducing properties are realized from the first overwriting operation. The optical recording medium comprises a transparent substrate and a recording layer on the transparent substrate. In the medium, the recording layer comprises at least one Sb-based thin film and at least one reactive thin film; the Sb-based thin film is in contact with said reactive thin film; the Sb-based thin film has been formed from an Sb-based material containing at least 95 at % of Sb; and the reactive thin film has been formed from an In-Ag-Te-based material mainly comprising In, Ag and Te or In, Ag, Te and Sb; and the reactive thin film contains 0.5 to 10 at % of oxygen. In the formation of the reactive thin film, the sputtering is conducted by introducing an inert gas and oxygen gas into the sputtering chamber.
摘要翻译：提供了具有增加数量的可重写操作的相变型光记录介质和用于制备这种光记录介质的方法。在生产中的速率确定阶段已经是记录层的初始化的相变型光记录介质中，生产所需的时间减少，并且从第一重写操作实现稳定的记录/再现性能。光学记录介质包括透明基板和在透明基板上的记录层。在介质中，记录层包括至少一种Sb基薄膜和至少一个反应性薄膜; Sb系薄膜与所述反应性薄膜接触; Sb系薄膜由Sb含量至少为95原子％的Sb系材料形成，并且反应性薄膜由主要包含In，Ag和Te或In，Ag，Te和Sb的In-Ag-Te基材料形成; 反应性薄膜含有0.5〜10原子％的氧。在反应性薄膜的形成中，通过将惰性气体和氧气引入溅射室来进行溅射。

37. 发明授权

US07943223B2 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：US07943223B2
公开(公告)日：2011-05-17
申请号：US12076070
申请日：2008-03-13
申请人： Hiroshi Shingai , Tatsuya Kato , Masanori Kosuda , Hiroshi Takasaki , Hideki Hirata , Jajime Utsunomiya
发明人： Hiroshi Shingai , Tatsuya Kato , Masanori Kosuda , Hiroshi Takasaki , Hideki Hirata , Jajime Utsunomiya
IPC分类号： B32B3/02
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以包含Sb，Ge和In的相变材料SbxGeyInz形成的记录膜，其原子比为x：y：z，其中满足5＆lt; 1; y＆nlE; 15和4＆nlE; z＆nlE; 15 。如果满足x + y + z + a = 100和4＆nlE; a＆nlE; 15，记录膜还包括原子比α的Te。在记录膜的激光入射侧设置由厚度为2nm以上且10nm以下的ZrO 2 -Cr 2 O 3膜形成的界面层。当ZrO 2 -Cr 2 O 3膜的组成比由ZrO 2：Cr 2 O 3 = B:C（摩尔％）给出时，满足20＆lt; NlE; B＆NlE; 90,10＆amp; NlE; C＆NlE; 80和B + C = 100。

38. 发明授权

US07224663B2 Optical recording medium, method of recording information to an optical recording medium, and information recording apparatus 有权
标题翻译：光记录媒体，向光学记录媒体记录信息的方法以及信息记录装置
公开(公告)号：US07224663B2
公开(公告)日：2007-05-29
申请号：US10489118
申请日：2002-09-05
申请人： Tatsuya Kato , Hiroshi Shingai , Hideki Hirata
发明人： Tatsuya Kato , Hiroshi Shingai , Hideki Hirata
IPC分类号： G11B7/24 , G11B5/09
CPC分类号： G11B7/126 , G11B7/00 , G11B7/0045 , 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 optical recording medium according to the present invention comprises a method of recording information to an optical recording medium where information is recorded by forming a plurality of recording marks selected from a group consisting of several types of recording marks each with different lengths, wherein: the cooling interval when forming the shortest recording mark contained within said group is set shorter than the cooling interval when forming the other recording marks contained in the group. Thus, even in the case that one clock period (T) is shortened to achieve high transfer rates, a high erase efficiency can be maintained when overwriting data.
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。根据本发明的光记录介质包括一种通过形成从由具有不同长度的几种类型的记录标记组成的组中形成的多个记录标记来记录信息到光记录介质的方法，其中：当形成包含在该组中的最短记录标记时的冷却间隔被设定为比形成组中包含的其它记录标记时的冷却间隔短。因此，即使在一个时钟周期（T）被缩短以实现高传输速率的情况下，当重写数据时也可以保持高的擦除效率。

39. 发明申请

US20070025192A1 Optical recording medium 审中-公开
标题翻译：光记录介质
公开(公告)号：US20070025192A1
公开(公告)日：2007-02-01
申请号：US11492178
申请日：2006-07-25
申请人： Hiroshi Shingai
发明人： Hiroshi Shingai
IPC分类号： G11B5/84
CPC分类号： G11B7/243 , G11B7/24038 , G11B7/257 , G11B2007/24312 , G11B2007/24314 , Y10T428/12694
摘要： An optical recording medium has a substrate, a first information layer which is provided in a beam incident side of the substrate, and a second information layer which serves as the semi-transparent information layer and is provided in a beam incident side of the first information layer, the second information layer is configured to include: a recording film formed from a phase-change material which is rewritable by means of an optical system in which λ/NA≦650 nm, NA being the numerical aperture of an objective lens, λ being a wavelength of a laser beam; and an interface layer which is provided adjacent to a beam incident side of the recording film, the interface layer is formed from ZnS, SiO2, and Cr2O3, the recording film contains Sb as a main component and Ge as a minor component, and in the optical recording medium, high speed recording to a semi-transparent information layer is achieved without excessively increasing the power of a laser, deteriorating the thermal stability of an amorphous mark, and causing peeling of a film.
摘要翻译：光记录介质具有衬底，设置在衬底的光束入射侧的第一信息层和用作半透明信息层的第二信息层，并且设置在第一信息的光束入射侧第二信息层被配置为包括：由相变材料形成的记录膜，其可通过其中λ/ NA <= 650nm，NA是物镜的数值孔径的光学系统可重写， λ是激光束的波长; 以及与记录膜的光束入射侧相邻设置的界面层，界面层由ZnS，SiO 2和Cr 2 O 2形成， 3，记录膜含有Sb作为主要成分，Ge作为次要成分，并且在光学记录介质中，实现了对半透明信息层的高速记录而不会过度增加激光的功率，劣化非晶标记的热稳定性，并导致膜剥离。

40. 发明申请

US20060245326A1 Method for recording information on optical recording medium 有权
标题翻译：在光学记录介质上记录信息的方法
公开(公告)号：US20060245326A1
公开(公告)日：2006-11-02
申请号：US11407993
申请日：2006-04-21
申请人： Jiro Yoshinari , Hideaki Miura , Hiroshi Shingai
发明人： Jiro Yoshinari , Hideaki Miura , Hiroshi Shingai
IPC分类号： G11B7/0045
CPC分类号： G11B7/0062
摘要： A method for recording information on an optical recording medium is provided so that it is satisfied that 0.16≦(Lv×Tcool)/(λ/NA)≦0.30 and 0.06≦(Lv×Ttop)/(λ/NA)≦0.14, where λ is a write wavelength of a laser beam used to irradiate the recording layer of a phase-change optical recording medium, NA is a numerical aperture of an objective lens used for irradiation with the laser beam, Lv is a relative speed between the objective lens and the optical recording medium, Tcool is a pulse time of a cooling pulse inserted immediately following a leading write pulse, and Ttop is a leading write pulse time. The method allows for forming a record mark with a good shape and prevents fluctuations at the front edge of the record mark, which would be otherwise caused by the recrystallization of the recording film being held at a high temperature.
摘要翻译：提供了一种用于在光学记录介质上记录信息的方法，使得满足0.16 <=（L / V）xT /（λ/ NA）<= 0.30 和（λ/ NA）<= 0.14，其中λ是用于照射记录层的激光束的写入波长相变光记录介质的NA是用于照射激光束的物镜的数值孔径，L是物镜和光记录介质之间的相对速度，T 冷却是紧跟引导写入脉冲之后插入的冷却脉冲的脉冲时间，而顶部是前置写入脉冲时间。该方法允许形成具有良好形状的记录标记，并且防止记录标记的前边缘处的波动，否则会由于记录膜的再结晶保持在高温而引起。

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