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1. 发明授权

US5489338A Oxide superconducting film manufacturing apparatus 失效
标题翻译：氧化物超导薄膜制造装置
公开(公告)号：US5489338A
公开(公告)日：1996-02-06
申请号：US97789
申请日：1993-07-26
申请人： Kousou Fujino , Satoshi Takano , Noriyuki Yoshida , Tsukushi Hara , Hideo Ishii
发明人： Kousou Fujino , Satoshi Takano , Noriyuki Yoshida , Tsukushi Hara , Hideo Ishii
IPC分类号： C01G1/00 , C23C14/28 , C23C14/46 , C23C14/54 , C30B23/08 , H01B12/06 , H01B13/00 , H01L39/24
CPC分类号： C23C14/28 , C23C14/54 , H01L39/2448
摘要： An apparatus for manufacturing an oxide superconducting film employing laser ablation method having a thin film forming chamber having a laser-transparent laser entrance window, a target being provided in the thin film forming chamber and containing components of an oxide superconductor, a laser beam source for irradiating the target with a laser beam from the exterior of the thin film forming chamber through the laser entrance window, and a controller for controlling power of the laser beam which is applied to the target for preventing the power of the laser beam, being applied to the target, from reduction by contamination of the entrance window caused by scattered particles. According to the present invention, it is possible to form an oxide superconducting film having high and uniform characteristics even if a long time is required for film formation, thereby attaining a remarkable effect in improvement of superconductivity of a large area oxide superconducting film.
摘要翻译：一种使用具有激光透明激光入射窗的薄膜形成室的激光烧蚀方法的制造氧化物超导膜的装置，在薄膜形成室内设置靶，并含有氧化物超导体的成分，激光束源用来自薄膜形成室的外部的激光束通过激光入口窗照射目标，以及控制器，用于控制施加到目标上的激光束的功率，以防止激光束的光束被施加到目标，由于分散颗粒引起的入口窗口的污染减少。根据本发明，即使成膜需要长时间，也可以形成具有高均匀性的氧化物超导膜，从而在提高大面积氧化物超导膜的超导性方面具有显着的效果。

2. 发明授权

US5372089A Method of forming single-crystalline thin film 失效
标题翻译：形成单晶薄膜的方法
公开(公告)号：US5372089A
公开(公告)日：1994-12-13
申请号：US97788
申请日：1993-07-26
申请人： Noriyuki Yoshida , Satoshi Takano , Kousou Fujino , Shigeru Okuda , Tsukushi Hara , Hideo Ishii
发明人： Noriyuki Yoshida , Satoshi Takano , Kousou Fujino , Shigeru Okuda , Tsukushi Hara , Hideo Ishii
IPC分类号： C30B23/02 , C30B25/18 , H01L39/24 , C30B25/02
CPC分类号： H01L39/2448 , C30B23/02 , C30B25/18 , C30B29/22 , C30B29/225 , H01L39/2422 , H01L39/2461 , Y10S505/729 , Y10S505/73 , Y10S505/732
摘要： Disclosed herein is a method of forming a single-crystalline thin film having excellent crystallinity on a base material without depending on the material for and crystallinity of the base material. In this method, a base material is provided thereon with a mask which can prevent chemical species contained in a vapor phase from adhering to the base material. The base material is continuously moved along arrow A, to deliver a portion covered with the mask into the vapor phase for crystal growth. Thus, a thin film is successively deposited on the portion of the base material, which is delivered from under the mask, from the vapor phase. A crystal growth end is formed on a boundary region between a portion of the base material which is covered with the mask and that which is exposed to the vapor phase, so that a crystal having the same orientation as the growth end is grown on a portion of the base material newly exposed by the movement.
摘要翻译：本文公开了在基材上形成具有优异结晶性的单晶薄膜的方法，而不依赖于基材的材料和结晶性。在该方法中，在其上设置有能够防止气相中所含的化学物质附着在基材上的掩模的基材。基材沿箭头A连续移动，以将覆盖有掩模的部分输送到气相中以进行晶体生长。因此，薄膜依次沉积在从掩模下面从气相输送的基材的部分上。晶体生长端形成在被掩模覆盖的基材的部分和暴露于气相的部分之间的边界区域上，使得具有与生长端相同取向的晶体生长在部分上的运动新露出的基础材料。

3. 发明授权

US5601649A Oxide superconducting film manufacturing apparatus 失效
标题翻译：氧化物超导薄膜制造装置
公开(公告)号：US5601649A
公开(公告)日：1997-02-11
申请号：US496564
申请日：1995-06-29
申请人： Kousou Fujino , Satoshi Takano , Noriyuki Yoshida , Tsukushi Hara , Hideo Ishii
发明人： Kousou Fujino , Satoshi Takano , Noriyuki Yoshida , Tsukushi Hara , Hideo Ishii
IPC分类号： C01G1/00 , C23C14/28 , C23C14/46 , C23C14/54 , C30B23/08 , H01B12/06 , H01B13/00 , H01L39/24
CPC分类号： C23C14/28 , C23C14/54 , H01L39/2448
摘要： Disclosed herein is an apparatus for manufacturing an oxide superconducting film employing laser ablation method. This apparatus has a thin film forming chamber having a laser-transparent laser entrance window, a target being provided in the thin film forming chamber and containing components of an oxide superconductor, a laser beam source for irradiating the target with a laser beam from the exterior of the thin film forming chamber through the laser entrance window, and apparatus for controlling power of the laser beam which is applied to the target for preventing the power of the laser beam, being applied to the target, from reduction by contamination of the entrance window caused by scattered particles. According to the present invention, it is possible to form an oxide superconducting film having high and uniform characteristics even if a long time is required for film formation, thereby attaining a remarkable effect in improvement of superconductivity of a large area oxide superconducting film.
摘要翻译：本文公开了一种使用激光烧蚀法制造氧化物超导膜的装置。该装置具有薄膜形成室，该薄膜形成室具有激光透明的激光入口窗口，目标设置在薄膜形成室中并且包含氧化物超导体的部件，用于从外部用激光束照射靶的激光束源通过激光入口窗口对薄膜形成室进行控制，以及用于控制激光束的功率的装置，该激光束被施加到目标上以防止被施加到目标的激光束的功率由于入口窗口的污染而减少由分散颗粒引起。根据本发明，即使成膜需要长时间，也可以形成具有高均匀性的氧化物超导膜，从而在提高大面积氧化物超导膜的超导性方面具有显着的效果。

4. 发明授权

US5607899A Method of forming single-crystalline thin film 失效
标题翻译：形成单晶薄膜的方法
公开(公告)号：US5607899A
公开(公告)日：1997-03-04
申请号：US393747
申请日：1995-02-24
申请人： Noriyuki Yoshida , Kousou Fujino , Noriki Hayashi , Shigeru Okuda , Tsukushi Hara , Hideo Ishii
发明人： Noriyuki Yoshida , Kousou Fujino , Noriki Hayashi , Shigeru Okuda , Tsukushi Hara , Hideo Ishii
IPC分类号： C01G1/00 , C01G3/00 , C30B23/00 , C30B23/02 , C30B29/22 , H01B12/06 , H01B13/00 , H01L21/203 , H01L39/24 , C30B23/08 , C30B25/06
CPC分类号： H01L39/2448 , C30B23/02 , C30B29/16 , C30B29/22 , C30B29/225 , H01L39/2461 , Y10S505/732
摘要： A thin film strongly orienting specific crystal axes is deposited on a polycrystalline or amorphous base material in accordance with laser deposition in a simpler device through a simpler process. A target is irradiated with a laser beam, for forming a thin film in accordance with laser ablation of depositing a substance scattered from the target on a base material. In order to form the thin film, prepared are conditions capable of forming a film orienting a specific crystal axis substantially perpendicularly to the base material in substantially parallel arrangement of the target and the base material. Under the conditions, a film is deposited on the base material which is inclined at a prescribed angle .theta. with respect to the target. It is possible to deposit a film strongly orienting a specific crystal axis in a plane substantially parallel to the base material surface by inclining the base material under the specific film forming conditions.
摘要翻译：通过更简单的工艺，在更简单的装置中，根据激光沉积，将特定晶轴强烈取向的薄膜沉积在多晶或非晶基材上。用激光照射目标物，用于根据在基材上沉积从靶上散出的物质的激光烧蚀来形成薄膜。为了形成薄膜，制备能够基本上平行排列靶材和基材的方式形成基本上垂直于基材垂直的特定晶轴的膜的条件。在这种条件下，在相对于目标物以规定角度θ倾斜的基材上沉积膜。通过在特定的成膜条件下使基材倾斜，可以将基本平行于基材表面的平面中的特定晶轴强制取向。

5. 发明授权

US5360785A In-situ laser ablation method for forming oxide superconducting films 失效
标题翻译：用于形成氧化物超导膜的原位激光烧蚀方法
公开(公告)号：US5360785A
公开(公告)日：1994-11-01
申请号：US59428
申请日：1993-05-07
申请人： Noriyuki Yoshida , Satoshi Takano , Shigeru Okuda , Noriki Hayashi , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
发明人： Noriyuki Yoshida , Satoshi Takano , Shigeru Okuda , Noriki Hayashi , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
IPC分类号： C23C14/08 , C23C14/28 , H01L39/24 , B05D3/06 , B05D5/12
CPC分类号： H01L39/2448 , C23C14/087 , C23C14/28 , Y10S505/73 , Y10S505/732
摘要： In a method of preparing an oxide superconducting thin film having a composition of Y-Ba-Cu-O, for example, using laser ablation, which comprises the steps of applying a laser beam to a target containing components of an oxide superconductive material and depositing particles, being thereby scattered from the target, on a substrate, the oxygen gas flow rate during film deposition is set to be at least 50 SCCM, the oxygen gas pressure during film deposition is set to be 10 to 1000 mTorr, the distance between a target 9 and a substrate 10 is set to be 40 to 100 mm, the temperature of the substrate 10 is set to be 600.degree. to 800.degree. C., the energy density of a laser beam 7 on the surface of the target 9 is set to be at least 1 J/cm.sup.2, and the laser pulse energy is set to be at least 10 mJ.
摘要翻译：在制备具有例如使用激光烧蚀的Y-Ba-Cu-O组成的氧化物超导薄膜的方法中，包括以下步骤：将激光束施加到包含氧化物超导材料的组分的靶上，并沉积颗粒从靶上散布在基板上，成膜期间的氧气流量设定为至少50SCCM，成膜期间的氧气压力设定为10〜1000mTorr，a 靶材9和基板10被设定为40〜100mm，将基板10的温度设定为600〜800℃，设定目标9的表面上的激光束7的能量密度为至少1J / cm 2，激光脉冲能量设定为至少10mJ。

6. 发明授权

US5300485A Method of preparing oxide superconducting films by laser ablation 失效
标题翻译：通过激光烧蚀制备氧化物超导膜的方法
公开(公告)号：US5300485A
公开(公告)日：1994-04-05
申请号：US951967
申请日：1992-09-25
申请人： Noriyuki Yoshida , Satoshi Takano , Shigeru Okuda , Noriki Hayashi , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
发明人： Noriyuki Yoshida , Satoshi Takano , Shigeru Okuda , Noriki Hayashi , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
IPC分类号： C01B13/14 , C01G1/00 , C01G3/00 , C23C14/00 , C23C14/08 , C23C14/28 , C23C14/34 , C30B23/08 , C30B29/22 , H01B12/06 , H01B13/00 , H01L39/24 , B05D3/06 , B05D5/12
CPC分类号： C23C14/087 , C23C14/0021 , C23C14/28 , H01L39/2448 , Y10S505/73 , Y10S505/732 , Y10S505/786
摘要： In order to enable formation of a smooth and dense oxide superconducting film with no clear appearance of grain boundaries in a fine structure even at a high film forming rate, a laser ablation method is employed to apply a laser beam 2 to a target 1 containing components of an oxide superconductive material and deposit particles, which are thus scattered from the target 1, on a substrate 3, while gaseous oxygen is supplied from a gaseous oxygen inlet 7 toward laser plume 6, which is generated by the application of the laser beam 2, and to a portion of the target irradiated with said laser.
摘要翻译：为了即使在成膜速度高的情况下，也能够在精细结构中形成平滑且致密的氧化物超导膜，而且在精细结构中不会形成明显的晶界，因此采用激光烧蚀方法将激光束2施加于含有成分的氧化物超导材料和从靶1散射的沉积颗粒在基板3上，同时气态氧气从气态氧气入口7供应到通过施加激光束2产生的激光羽流6 ，并且与用该激光照射的目标的一部分。

7. 发明授权

US5212151A Superconducting thin film having a matrix and foreign phases 失效
标题翻译：超薄薄膜有一个矩阵和外部相位
公开(公告)号：US5212151A
公开(公告)日：1993-05-18
申请号：US623477
申请日：1990-12-07
申请人： Satoshi Takano , Shigeru Okuda , Noriyuki Yoshida , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
发明人： Satoshi Takano , Shigeru Okuda , Noriyuki Yoshida , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
IPC分类号： C23C14/08 , C23C14/28 , H01L39/24
CPC分类号： C23C14/087 , C23C14/28 , H01L39/2448 , Y10S428/93 , Y10S505/701 , Y10S505/732
摘要： An oxide superconducting thin film formed by laser ablation comprises a matrix formed of c-axis oriented superconducting phases and foreign phases which are different in crystal orientation from the matrix. In order to improve critical current density of the oxide superconducting thin film, preferably selected are such conditions that the size of each superconducting phase in its a-b plane is not more than 0.1 .mu.m in diameter, the size of each superconducting phase along its c-axis direction is equal to the thickness of the oxide superconducting thin film, the foreign phases at least partially pass through the oxide superconducting thin film along the direction of thickness, the size of each foreign phase is at least 0.01 .mu.m and not more than 5 .mu.m in diameter, each foreign phase has an a-axis or a c-axis perpendicularly oriented with respect to the major surface of the oxide superconducting thin film, and the like.
摘要翻译：通过激光烧蚀形成的氧化物超导薄膜包括由c轴取向的超导相和与基体的晶体取向不同的异相形成的基体。为了提高氧化物超导薄膜的临界电流密度，优选选择这样的条件，即其ab面中的每个超导相的尺寸的直径不大于0.1μm，每个超导相沿其c- 轴向等于氧化物超导薄膜的厚度，异相至少部分地沿着厚度方向通过氧化物超导薄膜，每个异相的尺寸为至少0.01μm且不大于5 每个异相具有相对于氧化物超导薄膜的主表面垂直取向的a轴或c轴等。

8. 发明授权

US5334252A Method of and apparatus for preparing oxide superconducting film 失效
标题翻译：制备氧化物超导薄膜的方法和设备
公开(公告)号：US5334252A
公开(公告)日：1994-08-02
申请号：US952928
申请日：1992-09-25
申请人： Noriyuki Yoshida , Satoshi Takano , Shigeru Okuda , Noriki Hayashi , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
发明人： Noriyuki Yoshida , Satoshi Takano , Shigeru Okuda , Noriki Hayashi , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
IPC分类号： C01B13/14 , C01G1/00 , C01G3/00 , C23C14/00 , C23C14/08 , C23C14/28 , C23C14/34 , C30B23/08 , C30B29/22 , H01B12/06 , H01B13/00 , H01L39/24
CPC分类号： C23C14/087 , C23C14/0021 , C23C14/28 , H01L39/2448 , Y10S505/73 , Y10S505/732 , Y10S505/786
摘要： In order to enable formation of a smooth and dense oxide superconducting film with no clear appearance of grain boundaries in a fine structure even at a high film forming rate, a laser ablation method is employed to apply a laser beam 2 to a target 1 containing components of an oxide superconductive material and deposit particles, which are thus scattered from the target 1, on a substrate 3, while gaseous oxygen is supplied from a gaseous oxygen inlet 7 toward laser plasma 6, which is generated by the application of the laser beam 2.
摘要翻译：为了即使在成膜速度高的情况下，也能够在精细结构中形成平滑且致密的氧化物超导膜，而且在精细结构中不会形成明显的晶界，因此采用激光烧蚀方法将激光束2施加于含有成分的氧化物超导材料和从靶1散射的沉积颗粒在基板3上，同时从气态氧气入口7向激光等离子体6供应气态氧，激光等离子体6是通过施加激光束2 。

9. 发明授权

US5248662A Laser ablation method of preparing oxide superconducting films on elongated substrates 失效
标题翻译：激光焊接法制备氧化锡超导薄膜的方法
公开(公告)号：US5248662A
公开(公告)日：1993-09-28
申请号：US829847
申请日：1992-01-31
申请人： Noriyuki Yoshida , Satoshi Takano , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
发明人： Noriyuki Yoshida , Satoshi Takano , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
IPC分类号： C01B13/14 , C01G1/00 , C01G3/00 , H01B12/06 , H01B13/00 , H01L39/24
CPC分类号： H01L39/248 , Y10S505/704 , Y10S505/73 , Y10S505/732
摘要： In order to prepare an elongated oxide superconducting material which exhibits a high critical current density, a tape-type substrate (7) of silver, for example, formed by unidirectional solidification is prepared and an excimer laser beam (9) is applied to target (8) of an oxide superconductor to deposit atoms and/or molecules being scattered from the target (8) on the substrate (7), thereby forming an oxide superconducting film on the substrate (7).

10. 发明授权

US5187148A Apparatus for preparing oxide superconducting film 失效
标题翻译：用于制备氧化物超导膜的设备
公开(公告)号：US5187148A
公开(公告)日：1993-02-16
申请号：US662874
申请日：1991-03-01
申请人： Noriyuki Yoshida , Satoshi Takano , Shigeru Okuda , Noriki Hayashi , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
发明人： Noriyuki Yoshida , Satoshi Takano , Shigeru Okuda , Noriki Hayashi , Tsukushi Hara , Kiyoshi Okaniwa , Takahiko Yamamoto
IPC分类号： C01B13/14 , C01G1/00 , C01G3/00 , C23C14/00 , C23C14/08 , C23C14/28 , C23C14/34 , C30B23/08 , C30B29/22 , H01B12/06 , H01B13/00 , H01L39/24
CPC分类号： C23C14/087 , C23C14/0021 , C23C14/28 , H01L39/2448 , Y10S505/73 , Y10S505/732 , Y10S505/786
摘要： In order to enable formation of a smooth and dense oxide superconducting film with no clear appearance of grain boundaries in a fine structure even at a high film forming rate, a laser ablation method is employed to apply a laser beam 2 to a target 1 containing components of an oxide superconductive material and deposit particles, which are thus scattered from the target 1, on a substrate 3, while gaseous oxygen is supplied from a gaseous oxygen inlet 7 toward laser plasma 6, which is generated by the application of the laser beam 2.

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