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1. 发明授权

US08106290B2 Method for manufacturing single crystal silicon solar cell and single crystal silicon solar cell 有权
标题翻译：单晶硅太阳能电池和单晶硅太阳能电池的制造方法
公开(公告)号：US08106290B2
公开(公告)日：2012-01-31
申请号：US12073437
申请日：2008-03-05
申请人： Atsuo Ito , Shoji Akiyama , Makoto Kawai , Kouichi Tanaka , Yuuji Tobisaka , Yoshihiro Kubota
发明人： Atsuo Ito , Shoji Akiyama , Makoto Kawai , Kouichi Tanaka , Yuuji Tobisaka , Yoshihiro Kubota
IPC分类号： H01L31/00 , H01L21/00
CPC分类号： H01L31/056 , H01L21/76254 , H01L31/03921 , H01L31/0682 , H01L31/1804 , H01L31/1896 , Y02E10/52 , Y02E10/547 , Y02P70/521
摘要： A method for manufacturing a single crystal silicon solar cell includes implanting either hydrogen ions or rare-gas ions into a single crystal silicon substrate; bringing the single crystal silicon substrate in close contact with a transparent insulator substrate via a transparent adhesive, with the ion-implanted surface being a bonding surface; curing the transparent adhesive; mechanically delaminating the single crystal silicon substrate to form a single crystal silicon layer; forming a plurality of diffusion areas of a second conductivity type in the delaminated surface side of the single crystal silicon layer, and causing a plurality of areas of a first conductivity type and the plurality of areas of the second conductivity type to be present in the delaminated surface of the single crystal silicon layer; forming each of a plurality of individual electrodes on each one of the plurality of areas of the first conductivity type and on each one of the plurality of areas of the second conductivity type; forming a collector electrode for the plurality of individual electrodes on the plurality of areas of the first conductivity type, and a collector electrode for the plurality of individual electrodes on the plurality of areas of the second conductivity type; and forming a light-reflecting film.
摘要翻译：制造单晶硅太阳能电池的方法包括将氢离子或稀土离子注入到单晶硅衬底中; 使单晶硅衬底通过透明粘合剂与透明绝缘体衬底紧密接触，离子注入表面是接合表面; 固化透明胶; 机械地分层单晶硅衬底以形成单晶硅层; 在单晶硅层的分层表面侧形成多个第二导电类型的扩散区域，并且使多个第一导电类型的区域和第二导电类型的多个区域存在于分层的单晶硅层表面; 在第一导电类型的多个区域中的每一个区域和第二导电类型的多个区域中的每一个区域上形成多个单独电极中的每一个; 在所述第一导电类型的多个区域上形成用于所述多个单独电极的集电极，以及在所述第二导电类型的多个区域上的所述多个单独电极的集电极; 并形成光反射膜。

2. 发明授权

US08088670B2 Method for manufacturing bonded substrate with sandblast treatment 有权
标题翻译：喷砂处理方法
公开(公告)号：US08088670B2
公开(公告)日：2012-01-03
申请号：US12081297
申请日：2008-04-14
申请人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Kouichi Tanaka , Makoto Kawai , Yuuji Tobisaka
发明人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Kouichi Tanaka , Makoto Kawai , Yuuji Tobisaka
IPC分类号： H01L21/304 , H01L21/30 , H01L27/12 , H01L21/18
CPC分类号： H01L21/76254 , H01L21/3046 , H01L21/6835 , H01L27/1214 , H01L27/1266 , H01L2221/68359
摘要： When manufacturing a bonded substrate using an insulator substrate as a handle wafer, there is provided a method for manufacturing a bonded substrate which can be readily removed after carried and after mounted by roughening a back surface of the bonded substrate (corresponding to a back surface of the insulator substrate) and additionally whose front surface can be easily identified like a process of a silicon semiconductor wafer in case of the bonded substrate using a transparent insulator substrate as a handle wafer. There is provided a method for manufacturing a bonded substrate in which an insulator substrate is used as a handle wafer and a donor wafer is bonded to a front surface of the insulator substrate, the method comprises at least that a sandblast treatment is performed with respect to a back surface of the insulator substrate.
摘要翻译：当制造使用绝缘体基板作为处理晶片的键合衬底时，提供了一种用于制造键合衬底的方法，其可以在承载和安装之后通过粗糙化粘合衬底的背面（对应于绝缘体基板），另外，在使用透明绝缘体基板作为处理晶片的键合衬底的情况下，可以容易地识别其表面像硅半导体晶片的工艺。提供了一种用于制造键合衬底的方法，其中使用绝缘体衬底作为把手晶片，并且施主晶片结合到绝缘体衬底的前表面，该方法至少包括相对于绝缘体基板的背面。

3. 发明申请

US20090007960A1 Method for manufacturing single crystal silicon solar cell and single crystal silicon solar cell 有权
标题翻译：单晶硅太阳能电池和单晶硅太阳能电池的制造方法
公开(公告)号：US20090007960A1
公开(公告)日：2009-01-08
申请号：US12073437
申请日：2008-03-05
申请人： Atsuo Ito , Shoji Akiyama , Makoto Kawai , Kouichi Tanaka , Yuuji Tobisaka , Yoshihiro Kubota
发明人： Atsuo Ito , Shoji Akiyama , Makoto Kawai , Kouichi Tanaka , Yuuji Tobisaka , Yoshihiro Kubota
IPC分类号： H01L31/00 , B32B37/12 , H01L21/02
CPC分类号： H01L31/056 , H01L21/76254 , H01L31/03921 , H01L31/0682 , H01L31/1804 , H01L31/1896 , Y02E10/52 , Y02E10/547 , Y02P70/521
摘要： A method for manufacturing a single crystal silicon solar cell includes the steps of implanting either hydrogen ions or rare-gas ions into a single crystal silicon substrate; bringing the single crystal silicon substrate in close contact with a transparent insulator substrate via a transparent adhesive, with the ion-implanted surface being a bonding surface; curing the transparent adhesive; mechanically delaminating the single crystal silicon substrate to form a single crystal silicon layer; forming a plurality of diffusion areas of a second conductivity type in the delaminated surface side of the single crystal silicon layer, and causing a plurality of areas of a first conductivity type and the plurality of areas of the second conductivity type to be present in the delaminated surface of the single crystal silicon layer; forming each of a plurality of individual electrodes on each one of the plurality of areas of the first conductivity type and on each one of the plurality of areas of the second conductivity type in the single crystal silicon layer; forming a collector electrode for the plurality of individual electrodes on the plurality of areas of the first conductivity type, and a collector electrode for the plurality of individual electrodes on the plurality of areas of the second conductivity type; and forming a light-reflecting film.
摘要翻译：制造单晶硅太阳能电池的方法包括将氢离子或稀土离子注入到单晶硅衬底中的步骤; 使单晶硅衬底通过透明粘合剂与透明绝缘体衬底紧密接触，离子注入表面是接合表面; 固化透明胶; 机械地分层单晶硅衬底以形成单晶硅层; 在单晶硅层的分层表面侧形成多个第二导电类型的扩散区域，并且使多个第一导电类型的区域和第二导电类型的多个区域存在于分层的单晶硅层表面; 在单晶硅层中形成第一导电类型的多个区域中的每一个区域和第二导电类型的多个区域中的每一个上的多个单独电极中的每一个; 在所述第一导电类型的多个区域上形成用于所述多个单独电极的集电极，以及在所述第二导电类型的多个区域上的所述多个单独电极的集电极; 并形成光反射膜。

4. 发明申请

US20080261381A1 Method for manufacturing bonded substrate 有权
标题翻译：粘合基材的制造方法
公开(公告)号：US20080261381A1
公开(公告)日：2008-10-23
申请号：US12081297
申请日：2008-04-14
申请人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Kouichi Tanaka , Makoto Kawai , Yuuji Tobisaka
发明人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Kouichi Tanaka , Makoto Kawai , Yuuji Tobisaka
IPC分类号： H01L21/86
CPC分类号： H01L21/76254 , H01L21/3046 , H01L21/6835 , H01L27/1214 , H01L27/1266 , H01L2221/68359
摘要： When manufacturing a bonded substrate using an insulator substrate as a handle wafer, there is provided a method for manufacturing a bonded substrate which can be readily removed after carried and after mounted by roughening a back surface of the bonded substrate (corresponding to a back surface of the insulator substrate) and additionally whose front surface can be easily identified like a process of a silicon semiconductor wafer in case of the bonded substrate using a transparent insulator substrate as a handle wafer.There is provided a method for manufacturing a bonded substrate in which an insulator substrate is used as a handle wafer and a donor wafer is bonded to a front surface of the insulator substrate, the method comprises at least that a sandblast treatment is performed with respect to a back surface of the insulator substrate.
摘要翻译：当制造使用绝缘体基板作为处理晶片的键合衬底时，提供了一种用于制造键合衬底的方法，其可以在承载和安装之后通过粗糙化粘合衬底的背面（对应于绝缘体基板），另外，在使用透明绝缘体基板作为处理晶片的键合衬底的情况下，可以容易地识别其表面像硅半导体晶片的工艺。提供了一种用于制造键合衬底的方法，其中使用绝缘体衬底作为把手晶片，并且施主晶片结合到绝缘体衬底的前表面，该方法至少包括相对于绝缘体基板的背面。

5. 发明授权

US08268700B2 Method for manufacturing SOI wafer 有权
标题翻译：制造SOI晶圆的方法
公开(公告)号：US08268700B2
公开(公告)日：2012-09-18
申请号：US12153160
申请日：2008-05-14
申请人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Koichi Tanaka , Makoto Kawai , Yuuji Tobisaka
发明人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Koichi Tanaka , Makoto Kawai , Yuuji Tobisaka
IPC分类号： H01L21/30
CPC分类号： H01L21/76254
摘要： There is disclosed a method for manufacturing an SOI wafer comprising at least: implanting a hydrogen ion, a rare gas ion, or both the ions into a donor wafer formed of a silicon wafer or a silicon wafer having an oxide film formed on a surface thereof from a surface of the donor wafer, thereby forming an ion implanted layer; performing a plasma activation treatment with respect to at least one of an ion implanted surface of the donor wafer and a surface of a handle wafer, the surface of the handle wafer is to be bonded to the ion implanted surface; closely bonding these surfaces to each other; mechanically delaminating the donor wafer at the ion implanted layer as a boundary and thereby reducing a film thickness thereof to provide an SOI layer, and performing a heat treatment at 600 to 1000° C.; and polishing a surface of the SOI layer for 10 to 50 nm based on chemical mechanical polishing.A method for manufacturing with excellent productivity an SOI wafer having an SOI layer with a mirror-finished surface and high film thickness uniformity can be provided.
摘要翻译：公开了一种制造SOI晶片的方法，该方法至少包括：将氢离子，稀有气体离子或两者离子注入到由硅晶片或具有在其表面上形成的氧化膜的硅晶片形成的施主晶片中从施主晶片的表面，从而形成离子注入层; 对施主晶片的离子注入表面和处理晶片的表面中的至少一个进行等离子体激活处理，把手晶片的表面与离子注入表面结合; 将这些表面彼此紧密结合; 以离子注入层的施主晶片作为边界进行机械分层，由此降低其膜厚以提供SOI层，并在600〜1000℃下进行热处理。并且基于化学机械抛光将SOI层的表面抛光10至50nm。可以提供具有优异的生产率的具有SOI层的具有镜面精加工表面和高膜厚均匀性的SOI晶片的方法。

6. 发明授权

US08030118B2 Method for producing single crystal silicon solar cell and single crystal silicon solar cell 有权
公开(公告)号：US08030118B2
公开(公告)日：2011-10-04
申请号：US11976021
申请日：2007-10-19
申请人： Atsuo Ito , Shoji Akiyama , Makoto Kawai , Koichi Tanaka , Yuuji Tobisaka , Yoshihiro Kubota
发明人： Atsuo Ito , Shoji Akiyama , Makoto Kawai , Koichi Tanaka , Yuuji Tobisaka , Yoshihiro Kubota
IPC分类号： H01L21/00
CPC分类号： H01L31/068 , H01L31/022466 , H01L31/1884 , H01L31/1896 , Y02B10/10 , Y02E10/547
摘要： A method for producing a single crystal silicon solar cell including the steps of: implanting ions into a single crystal silicon substrate through an ion implanting surface thereof; closely contacting the single crystal silicon substrate and a transparent insulator substrate with each other via a transparent electroconductive adhesive while using the ion implanting surface as a bonding surface; curing and maturing the transparent electroconductive adhesive into a transparent electroconductive film; applying an impact to the ion implanted layer to mechanically delaminate the single crystal silicon substrate to leave a single crystal silicon layer; and forming a p-n junction in the single crystal silicon layer.

7. 发明授权

US07879175B2 Method for manufacturing pyrolytic boron nitride composite substrate 有权
标题翻译：制造热解氮化硼复合基板的方法
公开(公告)号：US07879175B2
公开(公告)日：2011-02-01
申请号：US12078276
申请日：2008-03-28
申请人： Makoto Kawai , Yoshihiro Kubota , Atsuo Ito , Koichi Tanaka , Yuuji Tobisaka , Shoji Akiyama
发明人： Makoto Kawai , Yoshihiro Kubota , Atsuo Ito , Koichi Tanaka , Yuuji Tobisaka , Shoji Akiyama
IPC分类号： B32B38/10
CPC分类号： H01L21/76254 , C23C14/48
摘要： Wettability of a PBN material surface with respect to a metal is improved to expand use applications. Hydrogen ions are implanted into a surface of a silicon substrate 10 to form an ion implanted region 11 at a predetermined depth near a surface of the silicon substrate 10, and a plasma treatment or an ozone treatment is performed with respect to a main surface of the silicon substrate 10 for the purpose of surface cleaning or surface activation. The main surfaces of the silicon substrate 10 and a PBN substrate 20 subjected to the surface treatment are appressed against each other to be bonded at a room temperature, and an external impact shock is given to the bonded substrate to mechanically delaminate a silicon film 12 from a bulk 13 of the silicon substrate to be transferred. An obtained PBN composite substrate 30 is diced to form a chip having a desired size, and a refractory metal is metallized on the silicon film 12 side to be connected with a wiring material.
摘要翻译： PBN材料表面相对于金属的润湿性得到改善以扩大使用应用。将氢离子注入到硅衬底10的表面中以在硅衬底10的表面附近的预定深度处形成离子注入区11，并且相对于硅衬底10的主表面进行等离子体处理或臭氧处理硅基板10，用于表面清洁或表面活化。经过表面处理的硅衬底10和PBN衬底20的主表面在室温下相互粘合，并且对键合衬底施加外部冲击冲击，从而将硅膜12从待转移的硅衬底的体积13。将获得的PBN复合基板30切割成具有所需尺寸的芯片，并且将难熔金属在硅膜12侧金属化以与布线材料连接。

8. 发明申请

US20100311221A1 Method for manufacturing semiconductor substrate 有权
标题翻译：半导体衬底的制造方法
公开(公告)号：US20100311221A1
公开(公告)日：2010-12-09
申请号：US12805582
申请日：2010-08-06
申请人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Koichi Tanaka , Makoto Kawai , Yuuji Tobisaka
发明人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Koichi Tanaka , Makoto Kawai , Yuuji Tobisaka
IPC分类号： H01L21/762
CPC分类号： H01L21/76254 , H01L27/1266 , H01L29/78603
摘要： Hydrogen ions are implanted to a surface (main surface) of the single crystal Si substrate 10 at a dosage of 1.5×1017 atoms/cm2 or higher to form the hydrogen ion implanted layer (ion-implanted damage layer) 11. As a result of the hydrogen ion implantation, the hydrogen ion implanted boundary 12 is formed. The single crystal Si substrate 10 and the low melting glass substrate 20 are bonded together. The bonded substrate is heated at relatively low temperature, 120° C. or higher and 250° C. or lower (below a melting point of the support substrate). Further, an external shock is applied to delaminate the Si crystal film along the hydrogen ion implanted boundary 12 of the single crystal Si substrate 10 out of the heat-treated bonded substrate. Then, the surface of the resultant silicon thin film 13 is polished to remove a damaged portion, so that a semiconductor substrate can be fabricated. There can be provided a semiconductor substrate in which a high-quality silicon thin film is transferred onto a substrate made of a low melting point material.
摘要翻译：将氢离子以1.5×10 17原子/ cm 2或更高的剂量注入单晶Si衬底10的表面（主表面），以形成氢离子注入层（离子注入损伤层）11。氢离子注入，形成氢离子注入边界12。单晶Si衬底10和低熔点玻璃衬底20结合在一起。键合衬底在相对较低的温度，120℃或更高和250℃或更低（低于支撑衬底的熔点）下加热。此外，施加外部冲击以沿着经热处理的键合衬底的单晶Si衬底10的氢离子注入边界12将Si晶体膜分层。然后，对所得的硅薄膜13的表面进行抛光以去除损坏部分，从而可以制造半导体衬底。可以提供一种半导体衬底，其中将高质量的硅薄膜转移到由低熔点材料制成的衬底上。

9. 发明申请

US20100227452A1 METHOD FOR MANUFACTURING SOI SUBSTRATE 有权
标题翻译：制造SOI衬底的方法
公开(公告)号：US20100227452A1
公开(公告)日：2010-09-09
申请号：US12161819
申请日：2007-02-08
申请人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Makoto Kawai , Yuuji Tobisaka , Koichi Tanaka
发明人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Makoto Kawai , Yuuji Tobisaka , Koichi Tanaka
IPC分类号： H01L21/762
CPC分类号： H01L21/76254 , H01L21/2007 , H01L27/1203 , H01L27/1214 , H01L29/78603
摘要： A heating plate having a smooth surface is placed on a hot plate which constitutes a heating section, and the smooth surface of the heating plate is closely adhered on the rear surface of a single-crystal Si substrate bonded to a transparent insulating substrate. The temperature of the heating plate is kept at 200° C. or higher but not higher than 350° C. When the rear surface of the single-crystal Si substrate bonded to the insulating substrate is closely adhered on the heating plate, the single-crystal Si substrate is heated by thermal conduction, and a temperature difference is generated between the single-crystal Si substrate and the transparent insulating substrate. A large stress is generated between the both substrates due to rapid expansion of the single-crystal Si substrate, thus separation takes place at a hydrogen ion-implanted interface.
摘要翻译：将具有光滑表面的加热板放置在构成加热部分的加热板上，并且加热板的光滑表面紧密地粘附在粘结到透明绝缘基板的单晶Si基板的背面上。加热板的温度保持在200℃以上但不高于350℃。当结合到绝缘基板的单晶Si衬底的后表面紧密地粘附在加热板上时，晶体硅衬底通过热传导加热，并且在单晶硅衬底和透明绝缘衬底之间产生温度差。由于单晶Si衬底的快速膨胀，在两个衬底之间产生大的应力，因此在氢离子注入界面处发生分离。

10. 发明申请

US20090061557A1 METHOD FOR MANUFACTURING SUBSTRATE FOR PHOTOELECTRIC CONVERSION ELEMENT 有权
标题翻译：光电转换元件制造基板的方法
公开(公告)号：US20090061557A1
公开(公告)日：2009-03-05
申请号：US12282176
申请日：2007-03-12
申请人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Makoto Kawai , Yuuji Tobisaka , Koichi Tanaka
发明人： Shoji Akiyama , Yoshihiro Kubota , Atsuo Ito , Makoto Kawai , Yuuji Tobisaka , Koichi Tanaka
IPC分类号： H01L31/18
CPC分类号： H01L21/76254 , H01L31/0687 , H01L31/1804 , H01L31/1892 , Y02E10/544 , Y02E10/547 , Y02P70/521
摘要： A silicon layer having a conductivity type opposite to that of a bulk is provided on the surface of a silicon substrate and hydrogen ions are implanted to a predetermined depth into the surface region of the silicon substrate through the silicon layer to form a hydrogen ion-implanted layer. Then, an n-type germanium-based crystal layer whose conductivity type is opposite to that of the silicon layer and a p-type germanium-based crystal layer whose conductivity type is opposite to that of the germanium-based crystal layer are successively vapor-phase grown to provide a germanium-based crystal. The surface of the germanium-based crystal layer and the surface of the supporting substrate are bonded together. In this state, impact is applied externally to separate a silicon crystal from the silicon substrate along the hydrogen ion-implanted layer, thereby transferring a laminated structure composed of the germanium-based crystal and the silicon crystal onto the supporting substrate.
摘要翻译：在硅衬底的表面上提供具有与体的导电类型相反的导电类型的硅层，并且通过硅层将氢离子注入到硅衬底的表面区域中以预定深度注入到氢离子注入层。然后，其导电类型与硅层的导电类型相反的n型锗基晶体层和导电类型与锗基晶体层的导电类型相反的p型锗基晶体层连续蒸发，相生长以提供锗基晶体。锗基晶体层的表面和支撑基板的表面接合在一起。在这种状态下，外部施加冲击以沿着氢离子注入层从硅衬底分离硅晶体，从而将由锗基晶体和硅晶体组成的叠层结构转移到支撑衬底上。

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