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公开(公告)号：US20160181447A1
公开(公告)日：2016-06-23
申请号：US14578334
申请日：2014-12-19
IPC分类号： H01L31/0224 , H01L31/18
CPC分类号： H01L31/022441 , B23K26/354 , B23K26/364 , H01L31/0745 , H01L31/182 , H01L2021/60292 , Y02E10/50
摘要： Approaches for foil-based metallization of solar cells and the resulting solar cells are described. For example, a method of fabricating a solar cell involves locating a metal foil above a plurality of alternating N-type and P-type semiconductor regions disposed in or above a substrate. The method also involves laser welding the metal foil to the alternating N-type and P-type semiconductor regions. The method also involves patterning the metal foil by laser ablating through at least a portion of the metal foil at regions in alignment with locations between the alternating N-type and P-type semiconductor regions. The laser welding and the patterning are performed at the same time.
摘要翻译： 描述了太阳能电池的箔基金属化和所得到的太阳能电池的方法。 例如，制造太阳能电池的方法包括将金属箔定位在设置在基板中或上方的多个交替的N型和P型半导体区域上方。 该方法还涉及将金属箔激光焊接到交替的N型和P型半导体区域。 该方法还包括通过在与交替的N型和P型半导体区域之间的位置对准的区域处激光烧蚀金属箔的至少一部分来图案化金属箔。 激光焊接和图案化同时进行。
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公开(公告)号：US20170179312A1
公开(公告)日：2017-06-22
申请号：US15454890
申请日：2017-03-09
IPC分类号： H01L31/0224 , H01L31/0745
CPC分类号： H01L31/022441 , B23K26/354 , B23K26/364 , H01L31/0516 , H01L31/0745 , H01L31/182 , H01L2021/60292 , Y02E10/50
摘要： Approaches for foil-based metallization of solar cells and the resulting solar cells are described. For example, a method of fabricating a solar cell involves locating a metal foil above a plurality of alternating N-type and P-type semiconductor regions disposed in or above a substrate. The method also involves laser welding the metal foil to the alternating N-type and P-type semiconductor regions. The method also involves patterning the metal foil by laser ablating through at least a portion of the metal foil at regions in alignment with locations between the alternating N-type and P-type semiconductor regions. The laser welding and the patterning are performed at the same time.
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公开(公告)号：US09620661B2
公开(公告)日：2017-04-11
申请号：US14578334
申请日：2014-12-19
IPC分类号： H01L31/0224 , H01L31/0745
CPC分类号： H01L31/022441 , B23K26/354 , B23K26/364 , H01L31/0745 , H01L31/182 , H01L2021/60292 , Y02E10/50
摘要： Approaches for foil-based metallization of solar cells and the resulting solar cells are described. For example, a method of fabricating a solar cell involves locating a metal foil above a plurality of alternating N-type and P-type semiconductor regions disposed in or above a substrate. The method also involves laser welding the metal foil to the alternating N-type and P-type semiconductor regions. The method also involves patterning the metal foil by laser ablating through at least a portion of the metal foil at regions in alignment with locations between the alternating N-type and P-type semiconductor regions. The laser welding and the patterning are performed at the same time.
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