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公开(公告)号：US20150263197A1
公开(公告)日：2015-09-17
申请号：US14657350
申请日：2015-03-13
申请人： First Solar, Inc.
发明人： Scott Jansen , Casimir P. Kotarba , Jonathan Pappas , Rick Powell , Yann Roussillon , Erica Van Nortwick , Charles Wickersham
IPC分类号： H01L31/0224 , H01L31/18 , H01L51/44
CPC分类号： H01L31/0465 , H01L31/0463 , Y02E10/50
摘要： A photovoltaic device includes a substrate and has a transparent conductive oxide layer, a conductive back layer, and at least one intermediate semiconductor layer formed thereon. An isolation scribe divides and electrically isolates the oxide layer, the back layer and the semiconductor layer to define two photovoltaic cells. A conductor extends across the isolation scribe and connects the back layer of one photovoltaic cell to the oxide layer of the other photovoltaic cell.
摘要翻译： 光电器件包括衬底并具有透明导电氧化物层，导电背层和形成在其上的至少一个中间半导体层。 隔离划分器划分并电隔离氧化物层，背层和半导体层以限定两个光伏电池。 导体延伸穿过隔离划线并将一个光伏电池的背层连接到另一个光伏电池的氧化物层。
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公开(公告)号：US20210091254A1
公开(公告)日：2021-03-25
申请号：US16975037
申请日：2019-02-21
申请人： First Solar, Inc.
IPC分类号： H01L31/18 , H01L31/0296 , H01L31/0224 , H01L31/05 , H01L31/0216
摘要： According to the embodiments provided herein, a method for scribing a layer stack of a photovoltaic device can include directing a laser scribing waveform to a film side of a layer stack. The laser scribing waveform can include pulse groupings that repeat at a group repetition period of greater than or equal to 1.5 μs. Each pulse of the pulse groupings can have a pulse width of less than or equal to 900 fs.
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公开(公告)号：US11581453B2
公开(公告)日：2023-02-14
申请号：US16975037
申请日：2019-02-21
申请人： First Solar, Inc.
IPC分类号： H01L31/00 , H01L31/18 , H01L31/0216 , H01L31/0224 , H01L31/0296 , H01L31/05
摘要： According to the embodiments provided herein, a method for scribing a layer stack of a photovoltaic device can include directing a laser scribing waveform to a film side of a layer stack. The laser scribing waveform can include pulse groupings that repeat at a group repetition period of greater than or equal to 1.5 μs. Each pulse of the pulse groupings can have a pulse width of less than or equal to 900 fs.
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