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    • 33. 发明申请
    • Method for manufacturing solar cell and solar cell
    • 制造太阳能电池和太阳能电池的方法
    • US20090020156A1
    • 2009-01-22
    • US11918899
    • 2006-04-07
    • Hiroyuki OhtsukaNaoki IshikawaMasatoshi Takahashi
    • Hiroyuki OhtsukaNaoki IshikawaMasatoshi Takahashi
    • H01L31/00H01L31/18H01L21/20H01L21/22
    • H01L31/18H01L31/022425H01L31/1804Y02E10/547Y02P70/521
    • The present invention is a method for manufacturing a solar cell by forming a pn junction in a semiconductor substrate having a first conductivity type to manufacture a solar cell, including at least: applying a first coating material containing a dopant onto the semiconductor substrate having the first conductivity type; and performing vapor-phase diffusion heat treatment to form a first diffusion layer in a region applied with the first coating material and a second diffusion layer, which is formed next to the first diffusion layer through vapor-phase diffusion, with a conductivity lower than a conductivity of the first diffusion layer at the same time, and provides a solar cell. Hence, it is possible to provide a method for manufacturing a solar cell, which can manufacture a solar cell at a low cost in a simple and easy way while suppressing surface recombination in a light-receiving surface other than an electrode region and recombination in an emitter to increase photoelectric conversion efficiency of the solar cell, and a solar cell.
    • 本发明是一种通过在具有第一导电类型的半导体衬底中形成pn结来制造太阳能电池的方法,以制造太阳能电池,其至少包括:将包含掺杂剂的第一涂层材料施加到具有第一导电类型的半导体衬底上 导电型; 并且进行气相扩散热处理以在施加有第一涂层材料的区域中形成第一扩散层,以及第二扩散层,其通过气相扩散形成在第一扩散层旁边,导电率低于 同时提供第一扩散层的电导率,并提供太阳能电池。 因此,可以提供一种制造太阳能电池的方法,该太阳能电池可以简单且容易地以低成本制造太阳能电池,同时抑制除了电极区域之外的光接收表面中的表面复合,并且在 发射极以提高太阳能电池的光电转换效率,以及太阳能电池。
    • 35. 发明授权
    • Solar cell and its manufacturing method
    • 太阳能电池及其制造方法
    • US07355114B2
    • 2008-04-08
    • US10472115
    • 2002-03-19
    • Satoyuki OjimaHiroyuki OhtsukaMasatoshi TakahashiTakenori Watabe
    • Satoyuki OjimaHiroyuki OhtsukaMasatoshi TakahashiTakenori Watabe
    • H01L31/0248H01L31/068
    • H01L31/068H01L31/022433H01L31/02363H01L31/035281H01L31/03529H01L31/1804Y02E10/547Y02P70/521
    • An OECO solar cell using a semiconductor single crystal substrate having a plurality of grooves, wherein a minimum groove depth h of each groove always satisfies the relation of h≧W1tan θ where θ represents an angle between a line connecting the lower end, along the thickness-wise direction of the semiconductor single crystal substrate, of an electrode formed in the groove and the upper end of the inner side face of the same groove having no electrode formed thereon, and a reference line normal to the thickness-wise direction, and W1 represents a distance between both opening edges of the groove; wherein the semiconductor single crystal substrate has thickness decreasing from a first side of a first main surface to a second side opposed to the first side; and wherein the plurality of grooves have a depth distribution of being deepest at a thickest position of the substrate, and a gradually becoming shallower towards a thinnest position of the substrate.
    • 使用具有多个凹槽的半导体单晶基板的OECO太阳能电池,其中每个凹槽的最小凹槽深度h总是满足h> = W 1tanθ的关系,其中θ表示 连接沿着半导体单晶基板的厚度方向的下端,形成在槽中的电极和形成在其上的没有电极的同一槽的内侧面的上端的线,以及参考线 垂直于厚度方向,W 1 1表示槽的两个开口边缘之间的距离; 其中所述半导体单晶衬底具有从第一主表面的第一侧到与所述第一侧相对的第二侧的厚度; 并且其中所述多个凹槽具有在所述基底的最厚位置处最深的深度分布,并且朝向所述基底的最薄位置逐渐变浅。
    • 38. 发明授权
    • Fundus camera for diagnostic fundus photographing
    • 眼底照相机用于诊断性眼底拍摄
    • US06404985B1
    • 2002-06-11
    • US09542911
    • 2000-04-04
    • Hiroyuki Ohtsuka
    • Hiroyuki Ohtsuka
    • A61B314
    • A61B3/152A61B3/12
    • A fundus camera includes a main unit equipped with an illuminating optical system for illuminating the fundus of an eye to be inspected and a photographing optical system for photographing the fundus, an observation optical system for determining whether or not the distance between the main unit and the eye is equal to a proper working distance, an alignment index projecting system, and a driving mechanism for moving a light guide along an optical axis to change a working distance in the case of photographing the central part of the fundus and in the case of photographing a peripheral part of the fundus.
    • 眼底照相机包括配备有用于照射被检眼的眼底的照明光学系统的主单元和用于拍摄眼底的拍摄光学系统;观察光学系统,用于确定主单元和 眼睛等于适当的工作距离,对准索引投影系统,以及用于沿着光轴移动光导以在拍摄眼底的中心部分的情况下改变工作距离的驱动机构以及在拍摄的情况下 眼底的周边部分。
    • 39. 发明授权
    • Ophthalmological photographing instrument
    • 眼科摄影仪器
    • US5594512A
    • 1997-01-14
    • US558194
    • 1995-11-15
    • Yutaka YonedaHiroyuki Ohtsuka
    • Yutaka YonedaHiroyuki Ohtsuka
    • A61B3/14A61B3/10G03B29/00
    • A61B3/145
    • An ophthalmological photographing instrument for fluorescent photograph comprising a device for irradiating illuminating light to a fundus of an eye to be tested, a device for projecting target luminous light to the eye, an image receiving device capable of receiving a reflection image of the target luminous flux reflected by the eye together with an image of the fundus of the eye, and observation/photographing means for receiving and photographing an image of the eye received by the image receiving device, wherein the ophthalmological photographing instrument further comprises a moving picture recording device into which the received image output coming from the image receiving device is input, a timer for counting time which has elapsed since the time when a fluorescent agent for the use of the fluorescent photograph has been injected into a vein, and a quenching device for reducing or quenching the target luminous flux after the passage of a predetermined time from the time when the injection of the fluorescent agent has been made, based on an output of the timer.
    • 一种用于荧光照相的眼科摄影装置,包括用于将照明光照射到待测眼睛的眼底的装置,用于将目标发光光投射到眼睛的装置,能够接收目标光通量的反射图像的图像接收装置 由眼睛反射的眼睛和眼底的图像以及用于接收和拍摄由图像接收装置接收的眼睛的图像的观察/拍摄装置,其中眼科摄影仪器还包括运动图像记录装置, 输入来自图像接收装置的接收图像输出,从荧光照片的荧光剂注入静脉以来已经经过的计时时间的定时器,以及用于还原或淬灭的淬火装置 从经过预定时间后的目标光通量 基于定时器的输出,已经进行了荧光剂的注入。
    • 40. 发明授权
    • Fundus camera
    • 眼底相机
    • US5572266A
    • 1996-11-05
    • US280198
    • 1994-07-25
    • Hiroyuki Ohtsuka
    • Hiroyuki Ohtsuka
    • A61B3/14G03B29/00
    • A61B3/145
    • A fundus camera capable of adjusting a working distance between a camera body and a subject's eye quickly and easily with high accuracy and capable of observing an eye fundus image in a field of view and at a magnification each substantially same as those selected when an eye fundus is photographed. To adjust the working distance quickly and easily with high accuracy, the fundus camera has an optical member 59 provided in a projecting optical system 56 for projecting alignment light onto a subject's eye E. The optical member 59 projects split alignment images onto the eye E when the working distance W is out of a predetermined proper distance. To observe the eye fundus image in the substantially same field of view and at the substantially same magnification as those selected when the eye fundus is photographed, the fundus camera has a device for, according to power variation, changing a state of illumination light illuminating the eye E. In the fundus camera, the alignment light is projected onto the eye E, the alignment light reflected by the eye E is once converged on a point R of a photographic optical path 31 conjugate with the fundus Ef of the eye E, the reflected alignment light converged thereon is guided to a TV monitor 53 through a variable power lens 53, and the state of the illumination light illuminating the eye E is changed by the changing device to observe and photograph the eye fundus Ef.
    • 一种能够以高精度快速,容易地调整相机机体和被摄体眼睛之间的工作距离的眼底相机,并且能够以视野内的眼底图像和与眼底比较选择的尺寸大致相同的放大倍率观察眼底图像 被拍照。 为了高精度地快速,容易地调整工作距离,眼底照相机具有设置在投影光学系统56中的光学构件59,用于将对准光投射到被检眼的眼睛E上。光学构件59将分离的对准图像投射到眼睛E上, 工作距离W在预定的适当距离之外。 为了在基本相同的视场和与拍摄眼底时所选择的基本相同的放大倍率观察眼底图像,眼底照相机具有根据功率变化改变照亮眼睛的照明光的状态的装置 眼睛E.在眼底照相机中,对准光投射到眼睛E上,由眼睛E反射的对准光一度会聚在与眼睛E的眼底Ef共轭的摄影光路31的点R上, 会聚在其上的反射对准光通过可变功率透镜53被引导到TV监视器53,并且通过改变装置改变照亮眼睛E的照明光的状态,以观察和拍摄眼底Ef。