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1. 发明授权

US6042921A Optical recording medium and read/write method therefor 失效
标题翻译：光记录介质及其记录/再现方法
公开(公告)号：US6042921A
公开(公告)日：2000-03-28
申请号：US131865
申请日：1998-08-10
申请人： Jiro Yoshinari , Masanori Kosuda , Hiroshi Shingai , Shinji Miyazaki
发明人： Jiro Yoshinari , Masanori Kosuda , Hiroshi Shingai , Shinji Miyazaki
IPC分类号： G11B7/254 , G11B5/62 , G11B7/00 , G11B7/0045 , G11B7/0055 , G11B7/257 , B32B3/00
CPC分类号： G11B5/62 , Y10S428/913 , Y10S430/146 , Y10T428/21
摘要： The invention provides a phase charge type optical recording medium comprising on both sides of a recording layer dielectric layers, each containing zinc sulfide and silicon oxide as main components. The medium comprises on a substrate 2 a first dielectric layer 31, a recording layer 4, a second dielectric layer 32 and a reflective layer 5 made up of a metal. The first dielectric layer 32 comprises a dielectric lamina 1a on a substrate 2 side thereof and a dielectric lamina 1b on a recording layer 4 side thereof. The dielectric lamina 1a has a silicon oxide content of 2 to less than 40 mol %, the dielectric lamina 1b has a silicon oxide content of 40 to 100 mol %, and the second dielectric layer 32 has a silicon oxide content of 2 to 50 mol % and a thickness of 10 to 35 nm. The number of overwritable cycles can be increased.
摘要翻译：本发明提供了一种相位电荷型光学记录介质，其包括在记录层电介质层的两侧，每个记录层包含硫化锌和氧化硅作为主要成分。介质在基板2上包括由金属构成的第一介电层31，记录层4，第二电介质层32和反射层5。第一电介质层32包括在其基板2侧上的电介质层1a和在其记录层4侧上的电介质层1b。电介质层1a的氧化硅含量为2〜小于40mol％，电介质层1b的氧化硅含量为40〜100mol％，第二电介质层32的氧化硅含量为2〜50mol ％，厚度10〜35nm。可以增加可重写周期的数量。

2. 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。

3. 发明授权

US6096399A Optical recording medium 有权
标题翻译：光记录介质
公开(公告)号：US6096399A
公开(公告)日：2000-08-01
申请号：US217578
申请日：1998-12-21
申请人： Jiro Yoshinari , Masanori Kosuda , Hiroshi Shingai
发明人： Jiro Yoshinari , Masanori Kosuda , Hiroshi Shingai
IPC分类号： B41M5/26 , G11B7/007 , G11B7/24 , G11B7/243 , G11B7/254 , G11B7/257 , B32B3/00
CPC分类号： G11B7/243 , G11B7/24 , G11B7/257 , G11B2007/24308 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/25716 , Y10S428/913 , Y10S430/146 , Y10T428/21
摘要： A phase change type optical recording medium of Ge--Sb--Te system wherein number of overwritable operation has been increased is provided. The optical recording medium has a substrate and a recording layer of phase change type on the substrate, and the recording layer contains Ge, Sb and Te as its main elements, and at least one of Ag and Au in total content of 0.2 to less than 2.5 at % (excluding 2.5 at %).
摘要翻译：提供了一种Ge-Sb-Te系统的相变型光学记录介质，其中可重写操作的数量已经增加。光记录介质在基板上具有基板和相变型记录层，记录层含有Ge，Sb和Te作为其主要元素，Ag和Au中的至少一种总含量为0.2至小于 2.5原子％（不包括2.5原子％）。

4. 发明授权

US6111849A Phase change optical recording medium, method of overwriting same and recording system for the overwriting 失效
标题翻译：相变光记录介质，覆盖方法以及用于重写的记录系统
公开(公告)号：US6111849A
公开(公告)日：2000-08-29
申请号：US163605
申请日：1998-09-30
申请人： Jiro Yoshinari , Masanori Kosuda , Hiroshi Shingai , Takashi Kikukawa
发明人： Jiro Yoshinari , Masanori Kosuda , Hiroshi Shingai , Takashi Kikukawa
IPC分类号： G11B7/24 , G11B7/00 , G11B7/0045 , G11B7/0055 , G11B7/006 , G11B7/243 , G11B7/26 , G11B7/30 , B32B3/00
CPC分类号： G11B7/0062 , G11B7/243 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B7/00454 , G11B7/2534 , G11B7/2542 , G11B7/257 , G11B7/258 , Y10T428/21
摘要： An optical recording medium comprising a substrate, at least one dielectric layer and a phase change type recording layer. In overwriting, the recording medium should satisfy the condition V.sub.OW /V.sub.OP
摘要翻译：一种光记录介质，包括基底，至少一个电介质层和相变型记录层。在重写中，记录介质应满足条件VOW / VOP <1，优选为0.5≤VOW/ VOP <0.95，其中VOP是最佳线速度，VOW是用于重写的线速度。这使得记录标记的记录介质在60至80℃下已被储存至少100小时后，可以将介质上记录标记的可擦除性至少为26dB。

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

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。

7. 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。

8. 发明授权

US6051363A Method for making an optical recording medium 失效
标题翻译：制造光记录介质的方法
公开(公告)号：US6051363A
公开(公告)日：2000-04-18
申请号：US952
申请日：1997-12-30
申请人： Hajime Utsunomiya , Masanori Kosuda , Hiroshi Shingai
发明人： Hajime Utsunomiya , Masanori Kosuda , Hiroshi Shingai
IPC分类号： G11B7/24 , G11B7/257 , G11B7/26
CPC分类号： G11B7/26 , G11B7/2578 , G11B2007/24308 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/25706 , G11B2007/2571 , G11B2007/25715 , G11B2007/25716 , G11B7/2531 , G11B7/2533 , G11B7/2534 , G11B7/2542 , Y10S430/146
摘要： A method for preparing an optical recording medium of phase change type is provided. This recording medium comprises a substrate, a recording layer, and a lower and an upper dielectric layers provided in direct contact with the recording layer. In this method, a step of an exposure treatment wherein the surface of the lower dielectric layer is exposed to an oxidative atmosphere is conducted after forming the lower dielectric layer on the substrate and before forming the recording layer on the lower dielectric layer. A step of a heat treatment wherein said lower dielectric layer is heat treated may be carried out in addition to the exposure treatment.
摘要翻译：提供了一种制备相变型光记录介质的方法。该记录介质包括基板，记录层以及与记录层直接接触而设置的下部和上部电介质层。在该方法中，在将下电介质层的表面暴露于氧化性气氛的曝光处理之后，在形成基底上的下电介质层之后，在下电介质层上形成记录层之前，进行曝光处理。除了曝光处理之外，还可以进行热处理的步骤，其中所述下介电层被热处理。

9. 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。

10. 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。}

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