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    • 3. 发明授权
    • Furnace for continuous, high throughput diffusion processes from various
diffusion sources
    • 用于来自各种扩散源的连续,高通量扩散过程的炉
    • US6117266A
    • 2000-09-12
    • US64648
    • 1998-04-22
    • Jorg HorzelJozef SzlufcikJohan Nijs
    • Jorg HorzelJozef SzlufcikJohan Nijs
    • H01L21/00A23F1/02H05B3/02
    • H01L21/67173H01L21/67109H01L21/67115H01L21/67236Y10S438/907
    • An open apparatus is described for the processing of planar thin semiconductor substrates, particularly for the processing of solar cells. The apparatus includes a first zone for the drying and burn-out of organic components from solid or liquid based dopant sources pre-applied to the substrates. The zone is isolated from the remaining zones of the apparatus by an isolating section to prevent cross-contamination between burn-out zone and the remaining processing zones. All the zones of the apparatus may be formed from a quartz tube around which heaters are placed for raising the temperature inside the quartz tube. Each zone may be purged with a suitable mixture of gases, e.g. inert gases such as argon, as well as oxygen and nitrogen. The zones may also be provided with gaseous dopants such as POCl.sub.3 and the present invention includes the sequential diffusion of more than one dopant into the substrates. Some of the zones may be used for driving-in the dopants alternatively, for other processes, e.g. oxidation. The present invention also includes a method of operating the apparatus and the use of the apparatus in processing solar cells.
    • 描述了用于处理平面薄型半导体衬底,特别是用于太阳能电池的处理的开放式设备。 该装置包括用于从预先施加到基底的固体或液体基础的掺杂剂源干燥和燃尽有机成分的第一区域。 该区域通过隔离部分与设备的其余区域隔离,以防止燃尽区域和其余处理区域之间的交叉污染。 设备的所有区域可以由石英管形成,在该石英管周围放置加热器以提高石英管内的温度。 每个区域可以用合适的气体混合物吹扫,例如, 惰性气体如氩气,以及氧气和氮气。 这些区域还可以设置有气体掺杂剂例如POCl 3,本发明包括多于一种掺杂剂顺序扩散到衬底中。 一些区域可以用于驱动掺杂剂,或者用于其它工艺,例如, 氧化。 本发明还包括操作该装置的方法以及该装置在处理太阳能电池中的用途。