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    • 12. 发明授权
    • Solar cell metal spray process
    • 太阳能电池金属喷涂工艺
    • US4511600A
    • 1985-04-16
    • US579126
    • 1984-02-10
    • James M. Leas
    • James M. Leas
    • H01L31/0224H01L31/18H01L21/283H01L31/04
    • H01L31/022425H01L31/1804Y02E10/547Y02P70/521
    • The present invention provides a method of forming a metal pattern on a solar cell comprising the steps of forcing a molten metal through an aligned array of orifices by use of gas pressure; vibrating the aligned array of orifices to form the molten metal issuing from the orifices into metal droplets; moving a solar cell collinearly with the aligned array of orifices; and allowing each series of metal droplets from a single orifice to fall onto a specific region of the solar cell to build up a metal layer of increasing thickness, each metal droplet being permitted sufficient time to solidify prior to allowing the next metal droplet to strike the metal layer.
    • 本发明提供了一种在太阳能电池上形成金属图案的方法,包括以下步骤:通过使用气体压力迫使熔融金属通过对准阵列的孔; 振动对准的孔口阵列以形成从孔口发出的熔融金属成金属液滴; 与对准的孔阵列共线地移动太阳能电池; 并且允许来自单个孔口的每个系列的金属液滴落入太阳能电池的特定区域以建立增加厚度的金属层,每个金属液滴在允许下一个金属液滴撞击之前被允许足够的时间凝固 金属层。
    • 13. 发明授权
    • SiGe or germanium flip chip optical receiver
    • SiGe或锗倒装芯片光接收机
    • US06980748B2
    • 2005-12-27
    • US09942823
    • 2001-08-30
    • James M. Leas
    • James M. Leas
    • G02B6/43G06F1/10H01L31/103H04B10/06
    • H01L31/1037G02B6/43G06F1/105
    • A synchronized optical clocking signal is provided to a plurality of optical receivers by providing a layer of a high absorption coefficient material, such as SiGe or Ge, on a front surface of a low absorption coefficient substrate, such as silicon. Diodes are formed in the germanium containing layer for receiving an optical signal and converting the optical signal into an electrical signal. An optical clocking signal is shined on the back surface of the silicon substrate. The light has a wavelength long enough so that it penetrates through the silicon substrate to the germanium containing layer. The wavelength is short enough so that the light is absorbed in the germanium containing layer and converted to the electrical clocking signal used for neighboring devices and circuits. The germanium concentration is graded so that minority carriers are quickly swept across junctions of the diodes and collected.
    • 通过在诸如硅的低吸收系数衬底的前表面上提供诸如SiGe或Ge的高吸收系数材料层,向多个光接收器提供同步光时钟信号。 二氧化锗形成在含锗层中,用于接收光信号并将光信号转换为电信号。 光时钟信号在硅衬底的背面上发光。 光具有足够长的波长,使得其穿透硅衬底到含锗层。 波长足够短,使得光被含锗层吸收并转换成用于相邻设备和电路的电时钟信号。 锗浓度分级,使得少数载流子快速扫过二极管的接合点并收集。