EMITTERS OF A BACKSIDE CONTACT SOLAR CELL
    22.
    发明申请
    EMITTERS OF A BACKSIDE CONTACT SOLAR CELL 有权
    背面接触太阳能电池的发射体

    公开(公告)号:US20150380598A1

    公开(公告)日:2015-12-31

    申请号:US14318374

    申请日:2014-06-27

    IPC分类号: H01L31/18 H01L31/065

    摘要: A system and method of patterning dopants of opposite polarity to form a solar cell is described. Two dopant films are deposited on a substrate. A laser is used to pattern the N-type dopant, by mixing the two dopant films into a single film with an exposure to the laser and/or drive the N-type dopant into the substrate to form an N-type emitter. A thermal process drives the P-type dopant from the P-type dopant film to form P-type emitters and further drives the N-type dopant from the single film to either form or further drive the N-type emitter.

    摘要翻译: 描述了以相反极性构图掺杂剂以形成太阳能电池的系统和方法。 在衬底上沉积两个掺杂剂膜。 使用激光来对N型掺杂剂进行图案化,通过将两种掺杂剂膜混合成单一膜并暴露于激光器和/或将N型掺杂剂驱动到衬底中以形成N型发射体。 热处理从P型掺杂剂膜驱动P型掺杂剂以形成P型发射体,并进一步从单一膜驱动N型掺杂剂以形成或进一步驱动N型发射极。

    Laser system with multiple laser pulses for fabrication of solar cells
    24.
    发明授权
    Laser system with multiple laser pulses for fabrication of solar cells 有权
    具有多个激光脉冲制造太阳能电池的激光系统

    公开(公告)号:US08513045B1

    公开(公告)日:2013-08-20

    申请号:US13362526

    申请日:2012-01-31

    IPC分类号: H01L21/00

    摘要: A laser system with multiple laser pulses for removing material from a solar cell being fabricated. The laser system includes a single pulse laser source and a multi-pulse generator. The multi-pulse generator receives a single pulse laser beam from the single pulse laser source and converts the single pulse laser beam into a multi-pulse laser beam. A laser scanner scans the multi-pulse laser beam onto the solar cell to remove material from the solar cell.

    摘要翻译: 具有多个激光脉冲用于从太阳能电池中去除材料的激光系统被制造。 激光系统包括单脉冲激光源和多脉冲发生器。 多脉冲发生器从单脉冲激光源接收单个脉冲激光束,并将单脉冲激光束转换为多脉冲激光束。 激光扫描仪将多脉冲激光束扫描到太阳能电池上以从太阳能电池中去除材料。

    Ablation of film stacks in solar cell fabrication processes
    25.
    发明授权
    Ablation of film stacks in solar cell fabrication processes 有权
    在太阳能电池制造工艺中消除薄膜叠层

    公开(公告)号:US08211731B2

    公开(公告)日:2012-07-03

    申请号:US12795526

    申请日:2010-06-07

    IPC分类号: H01L21/00

    摘要: A dielectric film stack of a solar cell is ablated using a laser. The dielectric film stack includes a layer that is absorptive in a wavelength of operation of the laser source. The laser source, which fires laser pulses at a pulse repetition rate, is configured to ablate the film stack to expose an underlying layer of material. The laser source may be configured to fire a burst of two laser pulses or a single temporally asymmetric laser pulse within a single pulse repetition to achieve complete ablation in a single step.

    摘要翻译: 使用激光烧蚀太阳能电池的电介质膜堆叠。 电介质膜堆叠包括在激光源的工作波长中吸收的层。 以脉冲重复频率激发激光脉冲的激光源被配置为烧蚀膜堆以暴露下层材料。 激光源可以被配置为在单个脉冲重复中触发两个激光脉冲或单个时间不对称激光脉冲的脉冲,以在单个步骤中实现完全消融。

    SOLAR CELL CONTACT FORMATION USING LASER ABLATION
    26.
    发明申请
    SOLAR CELL CONTACT FORMATION USING LASER ABLATION 有权
    使用激光雷射的太阳能电池接触形成

    公开(公告)号:US20110126898A1

    公开(公告)日:2011-06-02

    申请号:US12895437

    申请日:2010-09-30

    IPC分类号: H01L31/0224

    摘要: The formation of solar cell contacts using a laser is described. A method of fabricating a back-contact solar cell includes forming a poly-crystalline material layer above a single-crystalline substrate. The method also includes forming a dielectric material stack above the poly-crystalline material layer. The method also includes forming, by laser ablation, a plurality of contacts holes in the dielectric material stack, each of the contact holes exposing a portion of the poly-crystalline material layer; and forming conductive contacts in the plurality of contact holes.

    摘要翻译: 描述了使用激光器形成太阳能电池触点。 制造背接触太阳能电池的方法包括在单晶衬底上形成多晶材料层。 该方法还包括在多晶材料层上形成介电材料堆叠。 该方法还包括通过激光烧蚀形成介电材料堆叠中的多个接触孔,每个接触孔暴露多晶材料层的一部分; 以及在所述多个接触孔中形成导电接触。