JP2021521631A - レーザービームを使用した半導体基板の局所メタライゼーション - Google Patents
レーザービームを使用した半導体基板の局所メタライゼーション Download PDFInfo
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- JP2021521631A JP2021521631A JP2020554434A JP2020554434A JP2021521631A JP 2021521631 A JP2021521631 A JP 2021521631A JP 2020554434 A JP2020554434 A JP 2020554434A JP 2020554434 A JP2020554434 A JP 2020554434A JP 2021521631 A JP2021521631 A JP 2021521631A
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- substrate
- metal
- solar cell
- conductive contact
- laser beam
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Images
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
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- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
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- H01L31/02005—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier
- H01L31/02008—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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- B23K26/32—Bonding taking account of the properties of the material involved
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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- B23K26/36—Removing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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- H01—ELECTRIC ELEMENTS
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/036—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes
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Abstract
Description
Claims (16)
- 太陽電池の製造方法であって、
介在層を有する基板を提供することであって、前記介在層は、前記基板の暴露部分に至る開口部を含む、提供することと、
前記介在層内の前記開口部の上部に金属箔を位置付けることと、
前記金属箔をレーザービームに暴露して複数の導電性コンタクト構造を形成することであって、前記複数の導電性コンタクト構造の各々は、前記基板の前記暴露部分に電気的に接続された、局所的に堆積された金属部分を有する、形成することと、を含む、方法。 - 前記基板の上部に前記金属箔を位置付けることが、前記基板の上部に前記金属箔の連続シートを位置付けることを含み、および/または、
前記基板が複数のN型及びP型半導体領域を含み、前記介在層内の前記開口部が、前記複数のN型及びP型半導体領域の部分を暴露し、および/または、
前記方法は、前記基板内又は前記基板の上方に複数の半導体領域を形成することを更に含む、請求項1に記載の方法。 - 前記金属箔を前記レーザービームに暴露した後に、前記金属箔の少なくとも一部分を除去することを更に含む、請求項1または2に記載の方法。
- 前記レーザービームに暴露されていない前記金属箔の少なくとも一部分を除去することが、前記複数の導電性コンタクト構造のエッジにエッジフィーチャを形成することを含む、請求項3に記載の方法。
- 前記金属箔を前記レーザービームに暴露することが、スパッタフィーチャを形成する、請求項1〜4のいずれか一項に記載の方法。
- 前記スパッタフィーチャを除去することを更に含む、請求項5に記載の方法。
- 太陽電池であって:
基板と、
前記基板内又は前記基板の上方に配設された複数の半導体領域と、
前記複数の半導体領域に電気的に接続された複数の導電性コンタクト構造であって、各導電性コンタクト構造は、前記複数の半導体領域の少なくとも1つと直接接触して配設される局所的に堆積された金属構造を含む、導電性コンタクト構造と、を含む、太陽電池。 - 前記複数の半導体領域が、前記基板内又は前記基板の上方に配設された複数のN型及びP型多結晶シリコン領域である、請求項7に記載の太陽電池。
- 前記基板上に配設された介在層を更に含み、前記介在層は、前記複数の導電性コンタクト構造に対応する前記基板の部分を暴露する開口部を含む、請求項7または8に記載の太陽電池。
- 前記介在層の少なくとも一部分の上部に配設された金属箔部分を更に含む、請求項9に記載の太陽電池。
- 前記金属箔部分が、前記局所的に堆積された金属構造の1つと接触している、請求項10に記載の太陽電池。
- 前記複数の導電性コンタクト構造がエッジフィーチャを含む、請求項11に記載の太陽電池。
- 基板をメタライゼーションする方法であって、
金属箔を前記基板の上方に位置付けることと、
前記金属箔をレーザービームに暴露して複数の導電性コンタクト構造を形成することであって、前記複数の導電性コンタクト構造の各々は、前記基板に電気的に接続された、局所的に堆積された金属部分を有する、形成することと、を含む、方法。 - 前記基板の上部に前記金属箔を位置付けることが、前記基板の上部に前記金属箔の連続シートを位置付けることを含み、および/または、
前記方法は、前記複数の導電性コンタクト構造をパターニングすることを含む、請求項13に記載の方法。 - 前記金属箔を前記レーザービームに暴露した後に、前記金属箔の少なくとも一部分を除去することを更に含む、請求項13または14に記載の方法。
- 基板の上方に介在層を形成することを更に含み、前記介在層は、前記基板の部分を暴露する開口部を有し、および/または、
前記基板内又は前記基板の上部に複数の半導体領域を形成することを更に含む、請求項13〜15のいずれか一項に記載の方法。
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US201862773168P | 2018-11-29 | 2018-11-29 | |
US201862773172P | 2018-11-29 | 2018-11-29 | |
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US62/773,172 | 2018-11-29 | ||
US62/773,168 | 2018-11-29 | ||
US16/376,802 US11362220B2 (en) | 2018-04-06 | 2019-04-05 | Local metallization for semiconductor substrates using a laser beam |
PCT/US2019/026151 WO2019195786A1 (en) | 2018-04-06 | 2019-04-05 | Local metallization for semiconductor substrates using a laser beam |
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US11362220B2 (en) | 2022-06-14 |
US11984517B2 (en) | 2024-05-14 |
CN112136218A (zh) | 2020-12-25 |
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US20220271176A1 (en) | 2022-08-25 |
EP3776670A1 (en) | 2021-02-17 |
US20190312156A1 (en) | 2019-10-10 |
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