摘要:
An information recording medium including three or more information layers, wherein: at least one information layer includes a recording layer and a nucleation layer; the recording layer contains a material that is represented by formula (1) [(Ge0.5Te0.5)x(In0.4Te0.6)1-x]ySb100-y (mol %) with x satisfying 0.8≦x
摘要翻译:一种包括三个或更多个信息层的信息记录介质,其中:至少一个信息层包括记录层和成核层; 记录层含有由满足0.8&nlE; x <1.0的式(1)[(Ge0.5Te0.5)x(In0.4Te0.6)1-x] ySb100-y(mol%)表示的材料 y满足95&nlE; y <100; 成核层含有z满足10&nlE; z&nlE; 71的式(2)(Ge0.5Te0.5)z(Bi0.4Te0.6)100-z(mol%)表示的材料。 并且成核层与记录层接触。 即使在形成小记录标记的情况下,该信息记录介质也能够获得足够的信号幅度,并且还能够稳定地保持小的记录标记。
摘要:
An optical information recording medium (100) of the present invention includes an information layer (011) that allows information to be recorded thereon and reproduced therefrom by irradiation with a laser beam (040). The information layer (011) includes a reflective layer (002), a first dielectric layer (003), a recording layer (005) capable of undergoing a phase change by the irradiation with the laser beam (040) and a second dielectric layer (007) formed in this order from a side opposite to a laser beam incident side. The recording layer (005) contains Ge, Sb and Te. When Ge, Sb and Te contained in the recording layer (005) are represented by GexSbyTez in atomic number ratio, x, y, and z satisfy 0.39≦x≦0.48, 0.02≦y
摘要翻译:本发明的光学信息记录介质(100)包括信息层(011),其允许在其上记录信息并通过激光束照射从其再现。 信息层(011)包括反射层(002),第一电介质层(003),能够通过用激光束(040)照射而经历相变的记录层(005)和第二电介质层 007)从与激光束入射侧相反的一侧依次形成。 记录层(005)含有Ge,Sb和Te。 当记录层(005)中包含的Ge,Sb和Te以原子序数比为GexSbyTez表示时,x,y和z满足0.39&nlE; x&nlE; 0.48,0.02&nlE; y <0.11,0.40&nlE; z <0.56 ,x + y + z = 1。 记录层(005)的厚度为10nm以上且15nm以下。 在来自信息层(011)的激光束(040)的反射光量与入射到信息层(011)上的激光束(040)的量的比率被表示为R(% ),记录层(005)处于结晶状态时的R表示为Rc(%),记录层(005)处于非晶态时的R表示为Ra(%),Rc和Ra 满足6.0&nlE; Rc / Ra&nlE; 12.0和1.0&nlE; Rc&nlE; 3.0。
摘要:
To provide an optical information recording medium having an information layer of excellent transmittance and signal intensity, an optical information recording medium 22 includes at least one information layer. The information layer includes a recording layer on which information can be recorded and/or from which information can be reproduced by the irradiation of a laser beam 11, and a Ce containing layer containing Ce and O.
摘要:
An information recording medium including three or more information layers, wherein: at least one information layer includes a recording layer and a nucleation layer; the recording layer contains a material that is represented by formula (1) [(Ge0.5Te0.5)x(In0.4Te0.6)1-x]ySb100-y (mol %) with x satisfying 0.8≦x
摘要翻译:一种包括三个或更多个信息层的信息记录介质,其中:至少一个信息层包括记录层和成核层; 记录层包含由满足0.8&nlE; x <1.0的式(1)[(Ge 0.5 Te 0.5)x(In 0.4 Te 0.6)1-x] y Sb b-y(mol%)表示的材料 y满足95&nlE; y <100; 成核层含有z满足10&nlE; z&nlE; 71的式(2)(Ge0.5Te0.5)z(Bi0.4Te0.6)100-z(mol%)表示的材料。 并且成核层与记录层接触。 即使在形成小记录标记的情况下,该信息记录介质也能够获得足够的信号幅度,并且还能够稳定地保持小的记录标记。
摘要:
An information recording medium (9) of the present invention is an information recording medium with respect to which information can be recorded or reproduced by irradiation with an optical beam (1). The information recording medium (9) includes a second interface layer (103), a recording layer (104) and a first interface layer (105) in this order from the optical beam (1) incident side. The first interface layer (105) and the second interface layer (103) are disposed in contact with the recording layer (104). The second interface layer (103) contains M1 (where M1 is at least one element selected from Nb, Y, Dy, Ti, Si and Al), Cr and oxygen (O). The first interface layer (105) contains M2 (where M2 is at least one element selected from Nb, Y, Dy, Ti, Si, Al, Zr and Hf), Cr and oxygen (O). The first interface layer (105) and the second interface layer (103) each contain Cr in a range of 50 mol % or less in terms of the oxide (Cr2O3).
摘要翻译:本发明的信息记录介质(9)是信息记录介质,通过用光束(1)的照射可以记录或再现信息。 信息记录介质(9)从光束(1)入射侧依次包括第二接口层(103),记录层(104)和第一界面层(105)。 第一界面层(105)和第二界面层(103)设置成与记录层(104)接触。 第二界面层(103)含有M1(其中M1为选自Nb,Y,Dy,Ti,Si和Al中的至少一种元素),Cr和氧(O)。 第一界面层(105)含有M2(其中,M2为选自Nb,Y,Dy,Ti,Si,Al,Zr和Hf中的至少一种元素),Cr和氧(O)。 第一界面层(105)和第二界面层(103)各自含有以氧化物(Cr 2 O 3)换算为50摩尔%以下的Cr。
摘要:
An optical information recording medium (100) of the present invention includes an information layer (011) that allows information to be recorded thereon and reproduced therefrom by irradiation with a laser beam (040). The information layer (011) includes a reflective layer (002), a first dielectric layer (003), a recording layer (005) capable of undergoing a phase change by the irradiation with the laser beam (040) and a second dielectric layer (007) formed in this order from a side opposite to a laser beam incident side. The recording layer (005) contains Ge, Sb and Te. When Ge, Sb and Te contained in the recording layer (005) are represented by GexSbyTez in atomic number ratio, x, y, and z satisfy 0.39≦x≦0.48, 0.02≦y
摘要翻译:本发明的光学信息记录介质(100)包括信息层(011),其允许在其上记录信息并通过激光束照射从其再现。 信息层(011)包括反射层(002),第一电介质层(003),能够通过用激光束(040)照射而经历相变的记录层(005)和第二电介质层 007)从与激光束入射侧相反的一侧依次形成。 记录层(005)含有Ge,Sb和Te。 当记录层(005)中包含的Ge,Sb和Te以原子序数比的GexSbyTez表示时,x,y和z满足0.39 @ x @ 0.48,0.02@y <0.11,0.40×z <0.56,x + y + z = 1。 记录层(005)的厚度为10nm以上且15nm以下。 在来自信息层(011)的激光束(040)的反射光量与入射到信息层(011)上的激光束(040)的量的比率被表示为R(% ),记录层(005)处于结晶状态时的R表示为Rc(%),记录层(005)处于非晶态时的R表示为Ra(%),Rc和Ra 满足6.0 @ Rc / Ra @ 12.0和1.0 @ Rc @ 3.0。
摘要:
An information recording medium (9) of the present invention is an information recording medium with respect to which information can be recorded or reproduced by irradiation with an optical beam (1). The information recording medium (9) includes a second interface layer (103), a recording layer (104) and a first interface layer (105) in this order from the optical beam (1) incident side. The first interface layer (105) and the second interface layer (103) are disposed in contact with the recording layer (104). The second interface layer (103) contains M1 (where M1 is at least one element selected from Nb, Y, Dy, Ti, Si and Al), Cr and oxygen (O). The first interface layer (105) contains M2 (where M2 is at least one element selected from Nb, Y, Dy, Ti, Si, Al, Zr and Hf), Cr and oxygen (O). The first interface layer (105) and the second interface layer (103) each contain Cr in a range of 50 mol % or less in terms of the oxide (Cr2O3).
摘要翻译:本发明的信息记录介质(9)是信息记录介质,通过用光束(1)的照射可以记录或再现信息。 信息记录介质(9)从光束(1)入射侧依次包括第二接口层(103),记录层(104)和第一界面层(105)。 第一界面层(105)和第二界面层(103)设置成与记录层(104)接触。 第二界面层(103)含有M1(其中M1为选自Nb,Y,Dy,Ti,Si和Al中的至少一种元素),Cr和氧(O)。 第一界面层(105)含有M2(其中,M2为选自Nb,Y,Dy,Ti,Si,Al,Zr和Hf中的至少一种元素),Cr和氧(O)。 第一界面层(105)和第二界面层(103)各自含有以氧化物(Cr 2 O 3)换算为50摩尔%以下的Cr。
摘要:
An optical information recording medium including three or more information layers, wherein at least one information layer provided on the light incident side is an information layer which enables information to be overwritten and includes a recording film, a transmittance adjusting film of a dielectric containing Bi, Ti and O, and an isolation film in this order from a light incident side; and the isolation film is provided between and adjacent to the transmittance adjusting film and an intermediate separation layer which separate the information layer from another information layer on the side opposite to the light incident side; and the isolation film has an optical constant at a wavelength of 405 nm such that a refractive index is 1.8 or less and an extinction coefficient is 0.05 or less. This information recording medium prevents the repeated overwriting characteristics in a sever environment from being deteriorated.
摘要:
The information recording medium (1) of the present invention includes a recording film (114, 124). The information recording medium (1) allows information to be recorded and reproduced on and from the information recording medium by irradiation of the recording film (114, 124) with a laser beam (18). The information recording medium (1) of the present invention further includes a mixed dielectric film (the second dielectric film 116, 126) disposed on the laser beam (18) incident side with respect to the recording film (114, 124). The mixed dielectric film contains a mixed dielectric material consisting of Zn sulfide, Si oxide and an oxide X (where the oxide X is an oxide of at least one element selected from Ti, Nb, Ta and Ce).
摘要:
An information recording medium (300) of the present invention is an information recording medium on or from which information can be recorded or reproduced by irradiation with an optical beam (10), and includes a dielectric layer b, a recording layer (335), and a dielectric layer a in this order from an optical beam (10) incident side. The dielectric layer a and the dielectric layer b are layers disposed in contact with the recording layer (335), and an interface layer (334) corresponds to the dielectric layer a and an interface layer (336) corresponds to the dielectric layer b. The dielectric layer a contains Cr, O, and at least one element M selected from Al, Dy, Nb, Si, Ti and Y. The dielectric layer b contains Cr, O, and at least one element A selected from Zr and Hf.