公开(公告)号：US09929054B2

公开(公告)日：2018-03-27

申请号：US14968685

申请日：2015-12-14

Applicant: Solexel, Inc.

Inventor： Takao Yonehara ,  Virendra V. Rana ,  Sean M. Seutter ,  Mehrdad M. Moslehi ,  Subramanian Tamilmani

IPC: H01L21/762 ,  H01L21/78 ,  H01L21/268 ,  H01L21/304 ,  H01L31/18 ,  B23K26/00 ,  B23K26/08 ,  H01L31/0224 ,  H01L31/068 ,  B23K26/70 ,  B23K26/082 ,  B23K26/0622 ,  B81C1/00 ,  B42D25/00 ,  B23K26/244 ,  H01L33/00 ,  B23K101/40 ,  H01L25/065 ,  B23K103/00

CPC classification number: H01L21/7813 ,  B23K26/0006 ,  B23K26/0093 ,  B23K26/0622 ,  B23K26/082 ,  B23K26/0869 ,  B23K26/244 ,  B23K26/50 ,  B23K26/53 ,  B23K26/702 ,  B23K2101/40 ,  B23K2103/52 ,  B42D25/00 ,  B81C1/0038 ,  B81C1/0088 ,  B81C2201/0192 ,  B81C2201/0194 ,  H01L21/268 ,  H01L21/304 ,  H01L21/76254 ,  H01L21/76259 ,  H01L25/0657 ,  H01L31/022441 ,  H01L31/0682 ,  H01L31/1892 ,  H01L33/0079 ,  H01L33/0095 ,  H01L2224/32145 ,  H01L2224/32245 ,  H01L2224/48091 ,  H01L2224/48145 ,  H01L2224/48247 ,  H01L2224/49107 ,  H01L2224/73265 ,  H01L2924/13091 ,  H01L2924/1461 ,  Y02E10/547 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/00012

Abstract: Methods and systems are provided for the split and separation of a layer of desired thickness of crystalline semiconductor material containing optical, photovoltaic, electronic, micro-electro-mechanical system (MEMS), or optoelectronic devices, from a thicker donor wafer using laser irradiation.

公开(公告)号：US20170222067A1

公开(公告)日：2017-08-03

申请号：US15490494

申请日：2017-04-18

Applicant: Solexel, Inc.

Inventor： Sean M. Seutter ,  Mehrdad M. Moslehi

IPC: H01L31/0216 ,  H01L31/18

CPC classification number: H01L31/02167 ,  H01L31/1864 ,  H01L31/1868 ,  Y02E10/50 ,  Y02P70/521

Abstract: Stable surface passivation on a crystalline silicon substrate is provided by forming a more heavily doped region as a front surface field and/or a doped dielectric layer under a passivation layer on the silicon substrate surface. A passivation layer is deposited on the front surface field and/or doped dielectric layer.

公开(公告)号：US20150243814A1

公开(公告)日：2015-08-27

申请号：US14629273

申请日：2015-02-23

Applicant: SOLEXEL, INC.

Inventor： Mehrdad M. Moslehi ,  Pawan Kapur ,  Karl-Josef Kramer ,  David Xuan-Qi Wang ,  Sean M. Seutter ,  Virendra V. Rana ,  Anthony Calcaterra ,  Emmanuel Van Kerschaver

IPC: H01L31/0224 ,  H01L31/056 ,  H01L31/0216

CPC classification number: H01L31/0236 ,  H01L31/0201 ,  H01L31/02167 ,  H01L31/022441 ,  H01L31/022458 ,  H01L31/02363 ,  H01L31/035281 ,  H01L31/03529 ,  H01L31/03921 ,  H01L31/056 ,  H01L31/068 ,  H01L31/0682 ,  H01L31/18 ,  H01L31/1804 ,  H01L31/1892 ,  Y02E10/52 ,  Y02E10/547 ,  Y02P70/521

Abstract: Back contact back junction solar cell and methods for manufacturing are provided. The back contact back junction solar cell comprises a substrate having a light capturing frontside surface with a passivation layer, a doped base region, and a doped backside emitter region with a polarity opposite the doped base region. A backside passivation layer and patterned reflective layer on the emitter form a light trapping backside mirror. An interdigitated metallization pattern is positioned on the backside of the solar cell and a permanent reinforcement provides support to the cell.

Abstract translation: 提供背接触式太阳能电池及制造方法。 背接触背面太阳能电池包括具有钝化层的光捕获前侧表面的衬底，掺杂的基极区域和具有极性与掺杂基极区域相反的掺杂背侧发射极区域。 背面钝化层和发射体上的图案化反射层形成光阱背面反射镜。 交叉的金属化图案位于太阳能电池的背面，并且永久性增强材料为电池提供支撑。

公开(公告)号：US20150221792A1

公开(公告)日：2015-08-06

申请号：US14582177

申请日：2014-12-23

Applicant: Solexel, Inc.

Inventor： Anand Deshpande ,  Pawan Kapur ,  Mehrdad M. Moslehi ,  Virendra V. Rana ,  Sean M. Seutter

IPC: H01L31/0224 ,  H01L31/068

CPC classification number: H01L31/022441 ,  H01L31/028 ,  H01L31/0682 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

Abstract: Fabrication methods for forming self aligned contacts for back contact solar cells are provided.

Abstract translation: 提供了用于形成用于背接触太阳能电池的自对准触头的制造方法。

公开(公告)号：US20150171240A1

公开(公告)日：2015-06-18

申请号：US14493341

申请日：2014-09-22

Applicant: Solexel, Inc.

Inventor： Pawan Kapur ,  Anand Deshpande ,  Virendra V. Rana ,  Mehrdad M. Moslehi ,  Sean M. Seutter

IPC: H01L31/0224 ,  H01L31/0216 ,  H01L31/18

CPC classification number: H01L31/022441 ,  H01L27/1421 ,  H01L31/02167 ,  H01L31/02168 ,  H01L31/02245 ,  H01L31/0516 ,  H01L31/0682 ,  Y02E10/50 ,  Y02E10/547

Abstract: According to one aspect of the disclosed subject matter, a method for forming a monolithically isled back contact back junction solar cell using bulk wafers is provided.

Abstract translation: 根据所公开的主题的一个方面，提供了一种使用块状晶片形成单片背面接触背面太阳能电池的方法。

公开(公告)号：US20130213469A1

公开(公告)日：2013-08-22

申请号：US13855657

申请日：2013-04-02

Applicant: Solexel, Inc.

Inventor： Karl-Josef Kramer ,  Mehrdad M. Moslehi ,  Pawan Kapur ,  Virendra V. Rana ,  David Dutton ,  Sean M. Seutter ,  Anthony Calcaterra ,  Jay Ashjaee ,  Takao Yonehara

IPC: H01L31/0224

CPC classification number: H01L31/022458 ,  H01L31/022441 ,  H01L31/0516 ,  H01L31/0682 ,  Y02E10/547

Abstract: Fabrication methods and structures relating to multi-level metallization for solar cells as well as fabrication methods and structures for forming back contact solar cells are provided.

Abstract translation: 提供了与太阳能电池的多层金属化相关的制造方法和结构以及用于形成背接触太阳能电池的制造方法和结构。

公开(公告)号：US20160336233A1

公开(公告)日：2016-11-17

申请号：US14968685

申请日：2015-12-14

Applicant: Solexel, Inc.

Inventor： Takao Yonehara ,  Virendra V. Rana ,  Sean M. Seutter ,  Mehrdad M. Moslehi ,  Subramanian Tamilmani

IPC: H01L21/78 ,  B81C1/00 ,  H01L33/00 ,  H01L21/268 ,  H01L31/18

CPC classification number: H01L21/7813 ,  B23K26/0006 ,  B23K26/0093 ,  B23K26/0622 ,  B23K26/082 ,  B23K26/0869 ,  B23K26/244 ,  B23K26/50 ,  B23K26/53 ,  B23K26/702 ,  B23K2101/40 ,  B23K2103/52 ,  B42D25/00 ,  B81C1/0038 ,  B81C1/0088 ,  B81C2201/0192 ,  B81C2201/0194 ,  H01L21/268 ,  H01L21/304 ,  H01L21/76254 ,  H01L21/76259 ,  H01L25/0657 ,  H01L31/022441 ,  H01L31/0682 ,  H01L31/1892 ,  H01L33/0079 ,  H01L33/0095 ,  H01L2224/32145 ,  H01L2224/32245 ,  H01L2224/48091 ,  H01L2224/48145 ,  H01L2224/48247 ,  H01L2224/49107 ,  H01L2224/73265 ,  H01L2924/13091 ,  H01L2924/1461 ,  Y02E10/547 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/00012

Abstract: Methods and systems are provided for the split and separation of a layer of desired thickness of crystalline semiconductor material containing optical, photovoltaic, electronic, micro-electro-mechanical system (MEMS), or optoelectronic devices, from a thicker donor wafer using laser irradiation.

Abstract translation: 提供的方法和系统用于使用激光照射从较厚的施主晶片分离和分离含有光学，光电，电子，微电子机械系统（MEMS）或光电子器件的期望厚度的结晶半导体材料的层。

公开(公告)号：US09196759B2

公开(公告)日：2015-11-24

申请号：US14629273

申请日：2015-02-23

Applicant: SOLEXEL, INC.

Inventor： Mehrdad M. Moslehi ,  Pawan Kapur ,  Karl-Josef Kramer ,  David Xuan-Qi Wang ,  Sean M. Seutter ,  Virendra V. Rana ,  Anthony Calcaterra ,  Emmanuel Van Kerschaver

IPC: H01L31/0224 ,  H01L31/18 ,  H01L31/0216 ,  H01L31/056

CPC classification number: H01L31/0236 ,  H01L31/0201 ,  H01L31/02167 ,  H01L31/022441 ,  H01L31/022458 ,  H01L31/02363 ,  H01L31/035281 ,  H01L31/03529 ,  H01L31/03921 ,  H01L31/056 ,  H01L31/068 ,  H01L31/0682 ,  H01L31/18 ,  H01L31/1804 ,  H01L31/1892 ,  Y02E10/52 ,  Y02E10/547 ,  Y02P70/521

Abstract: Back contact back junction solar cell and methods for manufacturing are provided. The back contact back junction solar cell comprises a substrate having a light capturing frontside surface with a passivation layer, a doped base region, and a doped backside emitter region with a polarity opposite the doped base region. A backside passivation layer and patterned reflective layer on the emitter form a light trapping backside mirror. An interdigitated metallization pattern is positioned on the backside of the solar cell and a permanent reinforcement provides support to the cell.

Abstract translation: 提供背接触式太阳能电池及制造方法。 背接触背面太阳能电池包括具有钝化层的光捕获前侧表面的衬底，掺杂的基极区域和具有极性与掺杂基极区域相反的掺杂背侧发射极区域。 背面钝化层和发射体上的图案化反射层形成光阱背面反射镜。 交叉的金属化图案位于太阳能电池的背面，并且永久性增强材料为电池提供支撑。

公开(公告)号：US09806220B2

公开(公告)日：2017-10-31

申请号：US14539978

申请日：2014-11-12

Applicant: Solexel, Inc.

Inventor： Mehrdad M. Moslehi ,  Thom Stalcup ,  Karl-Josef Kramer ,  Anthony Calcaterra ,  Virendra V. Rana ,  Sean M. Seutter ,  Pawan Kapur ,  Michael Wingert

IPC: H01L21/00 ,  H01L31/18 ,  H01L31/0224 ,  H01L31/068

CPC classification number: H01L31/1804 ,  H01L31/022441 ,  H01L31/0682 ,  Y02E10/547 ,  Y02P70/521

Abstract: A back contact solar cell is described which includes a semiconductor light absorbing layer; a first-level metal layer (M1), the M1 metal layer on a back side of the light absorbing layer, the back side being opposite from a front side of the light absorbing layer designed to receive incident light; an electrically insulating backplane sheet backside of said solar cell with the M1 layer, the backplane sheet comprising a plurality of via holes that expose portions of the M1 layer beneath the backplane sheet; and an M2 layer in contact with the backplane sheet, the M2 layer made of a sheet of pre-fabricated metal foil material comprising a thickness of between 5-250 μm, the M2 layer electrically connected to the M1 layer through the via holes in the backplane sheet.

公开(公告)号：US20170287715A1

公开(公告)日：2017-10-05

申请号：US15491906

申请日：2017-04-19

Applicant: Solexel, Inc.

Inventor： Heather Deshazer ,  Virendra V. Rana ,  Sean M. Seutter ,  Pawan Kapur ,  Mehrdad M. Moslehi ,  Solene Coutant

IPC: H01L21/268 ,  H01L31/18 ,  H01L31/068 ,  H01L31/0216

CPC classification number: H01L21/268 ,  H01L31/02167 ,  H01L31/0682 ,  H01L31/1804 ,  Y02E10/547 ,  Y02P70/521

Abstract: The present application provides effective and efficient structures and methods for the formation of solar cell base and emitter regions and passivation layers using laser processing. Laser absorbent passivation materials are formed on a solar cell substrate and patterned using laser ablation to form base and emitter regions.