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    • 5. 发明授权
    • Silicon solar cell
    • 硅太阳能电池
    • US5431741A
    • 1995-07-11
    • US166384
    • 1993-12-13
    • Susumu SakaguchiToru YamadaTadashi KamiokaTeruhiko Hirasawa
    • Susumu SakaguchiToru YamadaTadashi KamiokaTeruhiko Hirasawa
    • H01L31/0224H01L31/0352H01L31/042H01L31/05
    • H01L31/035281H01L31/022433Y02E10/50
    • A novel structure of a silicon solar cell is disclosed, which can be prepared at an outstandingly low cost but can still exhibit good efficiency for the conversion of solar energy to electricity. The silicon solar cell comprises, as an integral body:(a) an electrically insulating substrate plate of, e.g., glass or a ceramic;(b1) a first group of metal contact lines formed in parallel with each other on the substrate surface to jointly serve as an electrode; (b2) a second group of metal contact lines formed in parallel with each other on the substrate surface to jointly serve as a counterelectrode, each of the metal contact lines of the second group being disposed between two metal contact lines of the first group, maintaining electric insulation therebetween; and(c) a plural number of wires of silicon semiconductor, each of which perpendicularly crosses each of the metal contact lines of the first and second groups in direct contact therewith. When the silicon semiconductor is of the n-type, for example, and has discrete p-type regions which are in contact with the metal contact lines of one of the groups, photovoltaic power is generated between the electrodes under irradiation with sunlight. An alternative arrangement of the silicon semiconductor wires is also proposed in which each of the silicon wires bridges a metal contact line of the first group and a metal contact line of the second group in lengthwise contact therewith.
    • 公开了一种硅太阳能电池的新型结构,其可以以非常低的成本制备,但仍然可以显示出将太阳能转换成电的良好效率。 硅太阳能电池包括作为一体的主体:(a)例如玻璃或陶瓷的电绝缘基板; (b1)在基板表面上彼此平行地形成的第一组金属接触线,以共同地用作电极; (b2)在基板表面上彼此平行地形成的第二组金属接触线,以共同用作反电极,第二组的每个金属接触线设置在第一组的两个金属接触线之间,保持 电绝缘; 和(c)多个数量的硅半导体的导线,其中的每一个与第一和第二组的金属接触线的每一个垂直地交叉直接接触。 例如,当硅半导体为n型时,具有与这些组中的一个的金属接触线接触的离散p型区域,在阳光照射下在电极之间产生光伏电力。 还提出了硅半导体布线的替代布置,其中每个硅线桥接第一组的金属接触线和第二组的金属接触线与其纵向接触。
    • 8. 发明授权
    • Single crystal wafer of lithium tantalate
    • 钽酸锂单晶晶片
    • US4755314A
    • 1988-07-05
    • US804188
    • 1985-12-03
    • Susumu SakaguchiMasaaki Iguchi
    • Susumu SakaguchiMasaaki Iguchi
    • H03H9/17C30B33/00H01L41/18C01G35/00C30B15/00H01L41/22
    • C30B33/00C30B29/30H01L2223/54493
    • The x-cut single crystal wafer of lithium tantalate according to the invention is characterized by the orientation flat formed in a specific crystallographic orientation. The plane of the orientation flat should be (A) in parallel with the (018) plane or a plane which is in parallel with the x-axis and makes an angle of 15.degree. or smaller with the (018) plane or (B) in parallel with a plane which is in parallel with the x-axis and perpendicular to the (018) plane or a plane which is in parallel with the x-axis and makes an angle of 15.degree. or smaller with the plane which is in parallel with the x-axis and perpendicular to the (018) plane. In contrast to conventional lithium tantalate single crystal wafers provided with an orientation flat in a direction parallel to the 112.degree. Y direction, the location of the crystallographic orientation of the orientation flat is very easy and consequently great advantages are obtained in the working efficiency of locating the direction of the orientation flat and improved quality as well as increased yield of acceptable devices, e.g. SAW filters, prepared from the wafers.
    • 根据本发明的钽酸锂的x切割单晶晶片的特征在于以特定的晶体取向形成的取向平面。 取向平面的平面应为与(018)平面平行的(A)平面或与x轴平行的平面,与(018)面成15度或更小的平面或(B) 平行于与x轴平行且垂直于(018)平面的平面或与x轴平行的平面,并且与平行的平面成15度或更小的平面 与x轴垂直于(018)平面。 与常规的钽酸锂单晶晶片相比,在平行于112°Y方向的方向上具有取向平坦的方向,取向平面的晶体取向的位置非常容易,因此在定位的工作效率方面获得了很大的优点 取向平坦的方向和改善的质量以及可接受的装置的增加的产量,例如 SAW滤波器,由晶圆制成。