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1. 发明专利

JP2007217278A Magnetic garnet single crystal, optical device using same, and method for producing magnetic garnet single crystal 有权
标题翻译：使用相同的MAGNETIC GARNET单晶，光学装置和用于生产磁性单晶的方法
公开(公告)号：JP2007217278A
公开(公告)日：2007-08-30
申请号：JP2007071191
申请日：2007-03-19
申请人： Tdk Corp , Tdk株式会社
发明人： OIDO ATSUSHI
IPC分类号： C30B29/28 , C30B19/00 , G02F1/09 , H01F1/34 , H01F10/24 , H01F41/28
摘要： PROBLEM TO BE SOLVED: To provide a magnetic garnet single crystal with less lead content, an optical device using such a magnetic garnet single crystal and a method for producing a single crystal with regard to a magnetic garnet single crystal grown by a liquid-phase epitaxial (LPE) method, an optical device using the same, and a method for producing a magnetic garnet single crystal.
SOLUTION: Specifically disclosed is a magnetic garnet single crystal grown by liquid-phase epitaxy which is represented by the chemical formula: Bi
x Na
y Pb
z M1
3-x-y-z Fe
5-w M2
w O
12 , wherein M1 represents at least one element selected from among Y, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; M2 represents at least one element selected from among Ga, Al, In, Ti, Ge, Si, and Pt; and 0.5
摘要翻译：要解决的问题：为了提供一种具有较少铅含量的磁性石榴石单晶，使用这种磁性石榴石单晶的光学装置以及关于由液体生长的石榴石单晶制造单晶的方法相位外延（LPE）法，使用该方法的光学器件，以及制造石榴石单晶的方法。解决方案：具体公开了通过液相外延生长的磁性石榴石单晶，其由以下化学式表示：Bi x M1 3-xyz 5 其中M1表示至少选自Y，Sm，Eu，Gd，Tb，Dy，Ho，Er，Tm，Yb和Lu中的一种元素; M2表示选自Ga，Al，In，Ti，Ge，Si和Pt中的至少一种元素; 和0.5

2. 发明专利

JP2006133775A Magnetic garnet single crystal film, its manufacturing method, and faraday rotator using same 有权
标题翻译： MAGNETIC GARNET单晶膜，其制造方法和使用相同的FARADAY ROTATOR
公开(公告)号：JP2006133775A
公开(公告)日：2006-05-25
申请号：JP2005319735
申请日：2005-11-02
申请人： Tdk Corp , Tdk株式会社
发明人： OIDO ATSUSHI , YAMAZAWA KAZUTO
IPC分类号： G02F1/09 , C30B19/10 , C30B29/28 , H01F10/24 , H01F41/28
摘要： PROBLEM TO BE SOLVED: To provide a magnetic garnet single crystal film (a Bi substituted rare earth iron garnet single crystal film) hardly generating a crack during growing, cooling or polishing of the film, to provide its manufacturing method and to provide a Faraday rotator which can be manufactured at high yield using the magnetic garnet single crystal film. SOLUTION: In the manufacturing method of the magnetic garnet single crystal film wherein a Bi substituted magnetic garnet single crystal is grown by a liquid phase epitaxial growth method, the lattice constant of the magnetic garnet single crystal is fixed or gradually decreased with growth of the single crystal film and then the lattice constant is increased with the growth of the single crystal film to film-deposit the magnetic garnet single crystal film. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种在生长，冷却或抛光薄膜期间几乎不产生裂纹的磁性石榴石单晶膜（Bi取代稀土铁石榴石单晶膜），以提供其制造方法并提供可以使用磁性石榴石单晶膜以高产率制造的法拉第旋转器。解决方案：在通过液相外延生长法生长Bi取代的石榴石单晶的磁性石榴石单晶膜的制造方法中，磁性石榴石单晶的晶格常数随着生长而固定或逐渐降低的单晶膜，然后晶格常数随着单晶膜的生长而增加，以沉积磁性石榴石单晶膜。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2005060156A Single crystal substrate and its manufacturing method 有权
标题翻译：单晶基板及其制造方法
公开(公告)号：JP2005060156A
公开(公告)日：2005-03-10
申请号：JP2003291311
申请日：2003-08-11
申请人： Tdk Corp , Tdk株式会社
发明人： OIDO ATSUSHI , KAKEHI SHINICHIRO
IPC分类号： C30B19/12 , C30B29/28
摘要： PROBLEM TO BE SOLVED: To provide a single crystal substrate which is used for epitaxially growing a magnetic garnet single crystal film in a liquid phase and in which the generation of cracks can be suppressed; and to provide a method for manufacturing the same.
SOLUTION: The single crystal substrate has surfaces 10, 11 opposing to each other, at least one of which is used as a surface for growing an iron garnet single crystal film, and a side face 12 situated between respective outer peripheral parts of the surfaces 10, 11 and formed to have an arithmetical average roughness Ra of ≤1.0 μm.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于在液相中外延生长磁性石榴石单晶膜的单晶衬底，其中可以抑制裂纹的产生; 并提供其制造方法。解决方案：单晶基板具有彼此相对的表面10,11，其中至少一个被用作生产铁石榴石单晶膜的表面，以及位于相应外围部分之间的侧面12 表面10,11形成为具有≤1.0μm的算术平均粗糙度Ra。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2005008458A Production method for magnetic garnet single crystal membrane 有权
标题翻译：磁性单晶晶体膜的生产方法
公开(公告)号：JP2005008458A
公开(公告)日：2005-01-13
申请号：JP2003172418
申请日：2003-06-17
申请人： Tdk Corp , Tdk株式会社
发明人： OIDO ATSUSHI
IPC分类号： C30B29/28 , C30B19/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a magnetic garnet single crystal membrane wherein the magnetic garnet single crystal membrane with little crystal defects is grown by a liquid-phase epitaxial method at a low cost.
SOLUTION: A raw material is charged into a gold-made crucible and melted to form a melt; then, the melt is used for repeatedly growing a plurality of magnetic garnet single crystal membranes by a liquid-phase epitaxial method. After the growth of each of the membranes, a specified amount of an additional material is added to the melt.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种制造磁性石榴石单晶膜的方法，其中通过液相外延法以低成本生长具有很少晶体缺陷的磁性石榴石单晶膜。解决方案：将原料装入金制坩埚中并熔融以形成熔体; 然后将熔体用于通过液相外延法反复生长多个磁性石榴石单晶膜。在每个膜的生长之后，将特定量的另外的材料加入到熔体中。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2003270404A Antireflection film and optical parts using the same 审中-公开
标题翻译：抗反射膜和光学部件使用相同
公开(公告)号：JP2003270404A
公开(公告)日：2003-09-25
申请号：JP2002070454
申请日：2002-03-14
申请人： Tdk Corp , Tdk株式会社
发明人： OIDO ATSUSHI , ONCHI KENICHI , YAMAZAWA KAZUTO
IPC分类号： G02B5/30 , C23C14/06 , G02B1/02 , G02B1/11 , G02B1/115 , G02B27/28
摘要： PROBLEM TO BE SOLVED: To provide an antireflection film which gives low reflectance in a wide band and which can be easily formed at a low cost and to provide optical parts using the antireflection film, relating to an antireflection film formed on the surface of a Bi substituted rare earth iron garnet material to be used for a Faraday rotator and to optical parts using the antireflection film. SOLUTION: The antireflection film is obtained by successively depositing a first Ta 2 O 5 layer satisfying 0.17≤nd/λ≤0.8, a first SiO 2 layer satisfying 0.02≤nd/λ≤0.54, a second Ta 2 O 5 layer satisfying 0.16≤nd/λ≤0.38 and a second SiO 2 layer satisfying 0.20≤nd/λ≤0.29 on a substrate, wherein λ is the wavelength of transmitted light, n is the refractive index of each layer and d is the film thickness of each layer. COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种抗反射膜，其在宽带中提供低反射率并且可以以低成本容易地形成，并且提供使用抗反射膜的光学部件，涉及形成在表面上的抗反射膜的用于法拉第旋转器的Bi取代稀土铁石榴石材料和使用该防反射膜的光学部件。解决方案：抗反射膜是通过依次沉积满足0.17≤nd/λ≤0.8的第一个SiO 2 SB 5 第一SiO 2 SB 满足0.02≤nd/λ≤0.54的第<！ - SIPO - >层，满足0.16≤nd/λ≤0.38的第二Ta <2> 5 层和第二SiO < 2 层在衬底上满足0.20≤nd/λ≤0.29，其中λ是透射光的波长，n是每层的折射率，d是每层的膜厚度。版权所有（C）2003，JPO

6. 发明专利

JP2008273776A Magnetic garnet single crystal and faraday rotor using the same 有权
标题翻译： MAGNETIC GARNET单晶和FARADAY转子使用相同
公开(公告)号：JP2008273776A
公开(公告)日：2008-11-13
申请号：JP2007118511
申请日：2007-04-27
申请人： Tdk Corp , Tdk株式会社
发明人： OIDO ATSUSHI
IPC分类号： C30B29/28 , C01G49/00 , C01G55/00 , G02F1/09
摘要： PROBLEM TO BE SOLVED: To provide a magnetic garnet single crystal capable of reproductively reducing an optical loss of a rotor even when the crystal is grown by using a Na-containing solvent in a liquid phase epitaxial method (LPE method), and provide a Faraday rotor using the same.
SOLUTION: Grown is a magnetic garnet single crystal expressed by the chemical formula: Bi
α Na
β M1
3-α-β Fe
5-γ M2
γ O
12 (wherein, M1 is at least one or more elements selected from among Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu and M2 is at least one or more elements selected from among Si, Ge, Ti, Pt, Ru, Sn, Hf and Zr and 0.600
摘要翻译：要解决的问题：提供一种即使当通过使用含Na溶剂以液相外延法（LPE法）生长晶体时，也能够再生地减少转子的光损耗的磁性石榴石单晶，以及提供使用它的法拉第转子。解决方案：生长是由以下化学式表示的磁性石榴石单晶：Bi α Na β 3-α-β （其中，M1为选自Y，La，Ce，Pr，...中的至少一种以上的元素， Nd，Sm，Eu，Gd，Tb，Dy，Ho，Er，Tm，Yb，Lu和M2是选自Si，Ge，Ti，Pt，Ru，Sn，Hf和Zr中的至少一种以上的元素， <α≤1.500,0.003≤β≤0.050,1.450≤3-α-β<2.397和0.20≤γ/（2β）≤0.85）。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2005247589A Magnetic garnet single crystal and optical element using the same 审中-公开
标题翻译： MAGNETIC GARNET单晶和光学元件使用相同
公开(公告)号：JP2005247589A
公开(公告)日：2005-09-15
申请号：JP2004055814
申请日：2004-03-01
申请人： Tdk Corp , Tdk株式会社
发明人： OIDO ATSUSHI
IPC分类号： G02B5/30 , C30B19/00 , C30B29/28 , G02F1/09
摘要： PROBLEM TO BE SOLVED: To provide a magnetic garnet single crystal grown by an LPE method and an optical element using the same and particularly to provide a magnetic garnet single crystal capable of giving a high extinction ratio characteristic optical element used in an optical device and to provide an optical element using the same. SOLUTION: The magnetic garnet single crystal is grown by an LPE method and is represented by the formula: Bi 3-x-y M1 x Pb y Fe 5-z-w M2 z M3 w O 12 (wherein M1 is at least one element selected from among Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; M2 is at least one element selected from among Ga, Al, and In; M3 is at least one element selected from among Pt, Si, Ge, and Ti;1.5 COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种通过LPE方法生长的磁性石榴石单晶和使用其的光学元件，特别是提供能够提供光学中使用的高消光比特性光学元件的磁性石榴石单晶并且提供使用其的光学元件。解决方案：磁性石榴石单晶通过LPE方法生长，并由下式表示：Bi 3-xy M1 x （其中M1是选自以下的至少一种元素：其中M1是选自以下的至少一种元素：其中M1是至少一个选自以下的元素：在Y，La，Ce，Pr，Nd，Sm，Eu，Gd，Tb，Dy，Ho，Er，Tm，Yb和Lu中的至少一种元素; M2是选自Ga，Al和In中的至少一种元素; M3是选自Pt，Si，Ge和Ti中的至少一种元素; 1.5

8. 发明专利

JP2003277190A Magnetic garnet material, faraday rotor, optical device, optical communication system, and method for producing bismuth-substituted rare earth iron garnet single crystal film 审中-公开
标题翻译：磁性GARNET材料，FARADAY转子，光学器件，光通信系统和用于生产双相取代的稀土GARNET单晶的薄膜的方法
公开(公告)号：JP2003277190A
公开(公告)日：2003-10-02
申请号：JP2002081981
申请日：2002-03-22
申请人： Tdk Corp , Tdk株式会社
发明人： SUGAWARA TAMOTSU , OIDO ATSUSHI
IPC分类号： G02F1/09 , C30B19/10 , C30B29/28 , G02B27/28
摘要： PROBLEM TO BE SOLVED: To obtain a magnetic garnet material with which a lens conventionally used in an optical isolator can be excluded or a lens having a thickness thinner than that of conventional ones can be used even if any kind of lens is used. SOLUTION: In a growth process of a single crystal film, when the cooling speed is gradually increased, a gradient in the Bi concentration is formed in the single crystal film 44. This gradient in the Bi concentration results in a gradient in the refractive index in the single crystal film 44. It becomes possible to impart a lens function to a Faraday rotor by using the gradient in the refractive index. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了获得可以排除光隔离器中常规使用的透镜的磁性石榴石材料，或者即使使用任何种类的透镜，也可以使用具有比常规透镜更薄的厚度的透镜。解决方案：在单晶膜的生长过程中，当冷却速度逐渐增加时，在单晶膜44中形成Bi浓度的梯度。该Bi浓度的梯度导致了单晶膜44中的折射率。通过使用折射率的梯度，可以向法拉第转子赋予透镜功能。版权所有（C）2004，JPO

9. 发明专利

JP2008195611A Crucible for growing single crystal 有权
标题翻译：可溶于生长单晶
公开(公告)号：JP2008195611A
公开(公告)日：2008-08-28
申请号：JP2008119450
申请日：2008-05-01
申请人： Tdk Corp , Tdk株式会社
发明人： OIDO ATSUSHI , SUGAWARA TAMOTSU
IPC分类号： C30B19/00
摘要： PROBLEM TO BE SOLVED: To provide a golden crucible for single crystal growing which is not deformed even when it is used for growing a garnet single crystal by a liquid phase epitaxial (LPE) method.
SOLUTION: The crucible for single crystal growing is formed of gold or a material containing gold and is characterized by satisfying the expressions: 0.01x≤y≤5.0 and 50
摘要翻译：要解决的问题：提供一种用于通过液相外延（LPE）方法用于生长石榴石单晶而不变形的单晶生长的金坩埚。解决方案：用于单晶生长的坩埚由金或含金的材料形成，其特征在于满足以下表达式：0.01x≤y≤5.0和50

10. 发明专利

JP2007217257A Magnetic garnet single crystal and optical element using the same 有权
标题翻译： MAGNETIC GARNET单晶和光学元件使用相同
公开(公告)号：JP2007217257A
公开(公告)日：2007-08-30
申请号：JP2006042440
申请日：2006-02-20
申请人： Tdk Corp , Tdk株式会社
发明人： OIDO ATSUSHI
IPC分类号： C30B29/28 , H01F10/24
CPC分类号： H01F1/346 , C04B35/2675 , C04B35/653 , C04B2235/3206 , C04B2235/3224 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/3298 , C04B2235/3418 , C04B2235/764 , C30B19/04 , C30B29/28 , G02F1/0036 , G02F1/09
摘要： PROBLEM TO BE SOLVED: To provide a magnetic garnet single crystal in which the content of Pb is reduced, and to provide an optical element using the same.
SOLUTION: The magnetic garnet single crystal is represented by the chemical formula: Bi
α M1
3-α Fe
5-β-γ M2
β M3
γ O
12 , wherein M1 is at least one element selected from among Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; M2 is Si; M3 is at least one element selected from among Zn, Ni, Cu, and Mg; and 0.5
摘要翻译：要解决的问题：提供其中Pb含量降低的磁性石榴石单晶，并提供使用其的光学元件。解决方案：磁性石榴石单晶由以下化学式表示：Bi α M1 3-α Fe 5-β-γ 其中M1是选自Y，La，Ce，Pr，Nd，Sm中的至少一种元素，其中M1是选自Y，La，Ce，Pr，Nd， Eu，Gd，Tb，Dy，Ho，Er，Tm，Yb和Lu; M2是Si; M3是选自Zn，Ni，Cu和Mg中的至少一种元素; 和0.5 <α≤2.0,0<β，0 <γ。版权所有（C）2007，JPO＆INPIT

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