JP7119233B2 - Large film-formed substrate and manufacturing method thereof, divided film-formed substrate and manufacturing method thereof, production control method and production control system for divided film-formed substrate - Google Patents

Large film-formed substrate and manufacturing method thereof, divided film-formed substrate and manufacturing method thereof, production control method and production control system for divided film-formed substrate Download PDF

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JP7119233B2
JP7119233B2 JP2021537341A JP2021537341A JP7119233B2 JP 7119233 B2 JP7119233 B2 JP 7119233B2 JP 2021537341 A JP2021537341 A JP 2021537341A JP 2021537341 A JP2021537341 A JP 2021537341A JP 7119233 B2 JP7119233 B2 JP 7119233B2
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剛 淺谷
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Description

本発明は、大判成膜基板およびその製造方法、分割成膜基板およびその製造方法、分割成膜基板の生産管理方法および生産管理システムに関する。 The present invention relates to a large film-formed substrate and its manufacturing method, a divided film-formed substrate and its manufacturing method, a production control method and a production control system for the divided film-formed substrate.

例えば半導体基板(ウェハ)を用いた半導体デバイスの生産履歴情報(例えば、製造条件)を管理するために、半導体基板に識別マーク(例えば、ダイシング後の分割基板の固有の識別子)を印字する技術が知られている(例えば、特許文献1,2参照)。特許文献1には、半導体基板を4つに分割する際に、4つの識別マークを回転対称な位置に印字することが記載されている。特許文献2には、半導体基板を4つに分割する際に、4つの識別マークを上下左右対称な位置に印字することが記載されている。 For example, in order to manage the production history information (e.g., manufacturing conditions) of semiconductor devices using semiconductor substrates (wafers), there is a technology for printing identification marks (e.g., unique identifiers of divided substrates after dicing) on semiconductor substrates. known (see, for example, Patent Literatures 1 and 2). Patent Literature 1 describes printing four identification marks at rotationally symmetrical positions when dividing a semiconductor substrate into four. Japanese Patent Laid-Open No. 2002-200001 describes that when a semiconductor substrate is divided into four pieces, four identification marks are printed at vertically and horizontally symmetrical positions.

特開2002-110491号公報Japanese Patent Application Laid-Open No. 2002-110491 特開2003-44119号公報Japanese Patent Application Laid-Open No. 2003-44119

特許文献2では、搬送中に、2つのマーキング装置を用いて識別マークを2つ同時に2回印字する。なお、特許文献1には識別情報の印字方法について記載されていない。 In Patent Document 2, two identification marks are simultaneously printed twice using two marking devices during transportation. Note that Patent Document 1 does not describe a method of printing identification information.

製造コストの観点では、1つのマーキング装置を用いて、全ての識別マークを1度に印字することが好ましい。しかし、識別情報の位置によっては全ての識別情報を含むマーキング範囲が大きくなってしまい、マーキング装置が大型となってしまい、装置導入コストが高くなってしまう。 From the viewpoint of manufacturing cost, it is preferable to print all identification marks at once using one marking device. However, depending on the position of the identification information, the marking range including all of the identification information may become large, resulting in a large marking device and a high installation cost.

また、二次元バーコード等のより複雑な識別マークの採用により、識別マークの読み取り精度を高めることが望まれている。 In addition, it is desired to improve the reading accuracy of identification marks by adopting more complicated identification marks such as two-dimensional barcodes.

本発明は、識別マークを含む大判成膜基板および分割成膜基板の製造コストの低コスト化と、識別マークの読み取り精度の高精度化とが可能な大判成膜基板およびその製造方法、分割成膜基板およびその製造方法、分割成膜基板の生産管理方法および生産管理システムを提供することを目的とする。 The present invention provides a large-sized film-formed substrate that can reduce the manufacturing cost of a large-sized film-formed substrate including an identification mark and a divided film-formed substrate and improve the reading accuracy of the identification mark, a method for manufacturing the same, and a divided film-formed substrate. An object of the present invention is to provide a film substrate and its manufacturing method, and a production control method and production control system for divided film-formed substrates.

本発明に係る大判成膜基板の製造方法は、ダイシング前の大判基板上に成膜してなる大判成膜基板の製造方法であって、前記大判基板の一方主面側における、ダイシング線によって分割される分割領域ごとに、少なくとも1つの識別マークをマーキングするマーキング工程と、前記大判基板上に、前記識別マークの位置を除いて成膜することにより、前記大判成膜基板を生成する成膜工程と、を含み、前記マーキング工程では、ダイシング後に、前記大判成膜基板をダイシングしてなる複数の分割成膜基板を重ねる場合に、前記複数の分割成膜基板における前記識別マークが重なるように、マーキング可能範囲が前記大判基板よりも小さい1つのマーキング装置を用いて、前記大判基板における全ての前記識別マークを同時にマーキングする。 A method for manufacturing a large-sized film-formed substrate according to the present invention is a method for manufacturing a large-sized film-formed substrate by forming a film on a large-sized substrate before dicing. a marking step of marking at least one identification mark for each divided area; and a film forming step of forming the large film-formed substrate by forming a film on the large-sized substrate except for the position of the identification mark. and, in the marking step, when a plurality of divided film formation substrates formed by dicing the large film formation substrate are superimposed after dicing, the identification marks of the plurality of divided film formation substrates overlap, All the identification marks on the large-sized substrate are marked at the same time using one marking device whose markable area is smaller than that of the large-sized substrate.

本発明に係る分割成膜基板の製造方法は、上記の大判成膜基板の製造方法を含み、前記大判成膜基板をダイシングしてなる前記複数の分割成膜基板の製造方法であって、前記ダイシング線に沿って前記大判成膜基板をダイシングすることにより、前記複数の分割成膜基板を生成するダイシング工程を含む。 A method for manufacturing a divided film formation substrate according to the present invention includes the above-described method for manufacturing a large film formation substrate, and is a method for manufacturing the plurality of division film formation substrates by dicing the large film formation substrate, A dicing step of producing the plurality of divided film-formed substrates by dicing the large-sized film-formed substrate along dicing lines.

本発明に係る分割成膜基板の生産管理方法は、上記の分割成膜基板の製造方法を含み、前記複数の分割成膜基板の生産管理方法であって、前記マーキング工程、前記成膜工程および前記ダイシング工程の情報のうち少なくとも1つを生産情報として、前記識別マークが示す情報と関連付けて管理する管理工程と、前記複数の分割成膜基板ごとに前記識別マークを読み取ることにより、前記生産情報を読み取る読取工程と、を含む。 A production control method for divided film formation substrates according to the present invention includes the method for manufacturing divided film formation substrates described above, and is a production control method for a plurality of divided film formation substrates, wherein the marking step, the film formation step, and a management step of managing at least one of the information of the dicing step as production information in association with the information indicated by the identification mark; and a reading step of reading the .

本発明に係る大判成膜基板は、上記の大判成膜基板の製造方法によって製造された大判成膜基板である。 A large film formation substrate according to the present invention is a large film formation substrate manufactured by the method for manufacturing a large film formation substrate described above.

本発明に係る分割成膜基板は、上記の分割成膜基板の製造方法によって製造された分割成膜基板である。 A divided film formation substrate according to the present invention is a divided film formation substrate manufactured by the above method for manufacturing a divided film formation substrate.

本発明に係る分割成膜基板の生産管理システムは、上記の分割成膜基板の生産管理方法のための分割成膜基板の生産管理システムであって、大判基板の一方主面側における、ダイシング線によって分割される分割領域ごとに、少なくとも1つの識別マークをマーキングするマーキング装置と、前記大判基板上に、前記識別マークの位置を除いて成膜することにより、大判成膜基板を生成する成膜装置と、前記ダイシング線に沿って前記大判成膜基板をダイシングすることにより、複数の分割成膜基板を生成するダイシング装置と、前記マーキング装置によるマーキング時の情報、前記成膜装置による成膜時の情報、および前記ダイシング装置によるダイシング時の情報のうち少なくとも1つを生産情報として、前記識別マークが示す情報と関連付けて管理する管理装置と、前記複数の分割成膜基板ごとに前記識別マークを読み取ることにより、前記生産情報を読み取る読取装置と、を備え、前記マーキング装置は、ダイシング後に、前記大判成膜基板をダイシングしてなる複数の分割成膜基板を重ねる場合に、前記複数の分割成膜基板における前記識別マークが重なるように、マーキング可能範囲が前記大判基板よりも小さい1つのマーキング装置を用いて、前記大判基板における全ての前記識別マークを同時にマーキングする。 A production management system for divided film-formed substrates according to the present invention is a production management system for divided film-formed substrates for the above production management method for film-formed substrates, wherein the dicing line on one main surface side of the large-sized substrate is a marking device for marking at least one identification mark for each divided region divided by; a device, a dicing device for generating a plurality of divided film-formed substrates by dicing the large film-formed substrate along the dicing lines, information at the time of marking by the marking device, and information at the time of film formation by the film-formation device and information at the time of dicing by the dicing device as production information, a management device for managing the information indicated by the identification marks in association with each other; and a reading device for reading the production information by reading, the marking device, after dicing, when stacking a plurality of divided film-formed substrates obtained by dicing the large film-formed substrate, the plurality of divided film-formed substrates. All the identification marks on the large-sized substrate are marked at the same time using one marking device whose markable range is smaller than that of the large-sized substrate so that the identification marks on the film substrate overlap.

本発明によれば、識別マークを含む大判成膜基板および分割成膜基板の製造コストの低コスト化と、識別マークの読み取り精度の高精度化とが可能である。 According to the present invention, it is possible to reduce the manufacturing cost of the large-sized film formation substrate including the identification mark and the divided film formation substrate, and to improve the reading accuracy of the identification mark.

本実施形態に係る太陽電池の一例(両面電極型の太陽電池)を示す断面図である。1 is a cross-sectional view showing an example of a solar cell (double-sided electrode type solar cell) according to an embodiment; FIG. 本実施形態に係る太陽電池の他の一例(裏面電極型の太陽電池)を示す断面図である。FIG. 4 is a cross-sectional view showing another example of the solar cell (back electrode type solar cell) according to the present embodiment. 本実施形態に係る太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理システムを示す図である。1 is a diagram showing a production management system for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate) according to the present embodiment; FIG. 本実施形態に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるマーキング工程および成膜工程を示す図である。A solar cell including a method for manufacturing a work-in-progress of a solar cell according to the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a marking process and a film forming process in a production control method for a battery in-process product, that is, a film-formed divided semiconductor substrate after dicing (divided film-formed substrate); 本実施形態に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるダイシング工程を示す図である。A solar cell including a method for manufacturing a work-in-progress of a solar cell according to the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a dicing step in a production control method for a battery in-process product, that is, a film-formed divided semiconductor substrate after dicing (divided film-formed substrate); 本実施形態に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法における読取工程を示す図である。A solar cell including a method for manufacturing a work-in-progress of a solar cell according to the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a reading process in the production control method for a battery in-process product, that is, a film-formed divided semiconductor substrate after dicing (divided film-formed substrate). 本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるマーキング工程および成膜工程を示す図である。A method for manufacturing a work-in-progress of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a marking process and a film forming process in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film formed substrate). 本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるダイシング工程を示す図である。A method for manufacturing a work-in-progress of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a dicing step in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate). 本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるマーキング工程および成膜工程を示す図である。A method for manufacturing a work-in-progress of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a marking process and a film forming process in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film formed substrate). 本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるダイシング工程を示す図である。A method for manufacturing a work-in-progress of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a dicing step in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate). 本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法における読取工程を示す図である。A method for manufacturing a work-in-progress of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a reading step in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate). 本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるマーキング工程および成膜工程を示す図である。A method for manufacturing a work-in-progress of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a marking process and a film forming process in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film formed substrate). 本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるダイシング工程を示す図である。A method for manufacturing a work-in-progress of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a dicing step in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate). 本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるマーキング工程および成膜工程を示す図である。A method for manufacturing a work-in-progress of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a marking process and a film forming process in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film formed substrate). 本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるダイシング工程を示す図である。A method for manufacturing a work-in-progress of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a dicing step in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate).

以下、添付の図面を参照して本発明の実施形態の一例として、太陽電池の仕掛品(大判成膜基板、分割成膜基板)およびその製造方法、太陽電池の仕掛品(分割成膜基板)の生産管理方法および生産管理システムについて説明する。なお、各図面において同一または相当の部分に対しては同一の符号を附すこととする。また、便宜上、ハッチングや部材符号等を省略する場合もあるが、かかる場合、他の図面を参照するものとする。 Hereinafter, as an example of an embodiment of the present invention with reference to the accompanying drawings, a solar cell in-process product (large-sized film-forming substrate, divided film-forming substrate), a method for manufacturing the same, and a solar cell in-process product (divided film-forming substrate) production control method and production control system. In each drawing, the same reference numerals are given to the same or corresponding parts. Also, for convenience, hatching, member numbers, etc. may be omitted, but in such cases, other drawings shall be referred to.

図1は、本実施形態に係る太陽電池の一例(両面電極型の太陽電池)を示す断面図であり、図2は、本実施形態に係る太陽電池の他の一例(裏面電極型の太陽電池)を示す断面図である。 FIG. 1 is a cross-sectional view showing an example of a solar cell (double-sided electrode type solar cell) according to the present embodiment, and FIG. ) is a sectional view of FIG.

(両面電極型の太陽電池)
図1に示すように、両面電極型の太陽電池1は、半導体基板11と、半導体基板11の受光面(一方主面)側に順に積層(形成)された第1真性半導体層23、第1導電型半導体層25、第1透明電極層27および第1金属電極層28とを備える。また、太陽電池1は、半導体基板11の裏面(他方主面)側に順に積層(形成)された第2真性半導体層33、第2導電型半導体層35、第2透明電極層37および第2金属電極層38を備える。
(Double-sided electrode type solar cell)
As shown in FIG. 1 , the double-sided electrode type solar cell 1 includes a semiconductor substrate 11 , a first intrinsic semiconductor layer 23 laminated (formed) in order on the light receiving surface (one main surface) side of the semiconductor substrate 11 , a first It has a conductive semiconductor layer 25 , a first transparent electrode layer 27 and a first metal electrode layer 28 . The solar cell 1 also includes a second intrinsic semiconductor layer 33, a second conductivity type semiconductor layer 35, a second transparent electrode layer 37, and a second semiconductor layer 37, which are laminated (formed) in order on the back surface (the other main surface) side of the semiconductor substrate 11. A metal electrode layer 38 is provided.

このような両面電極型の太陽電池1の場合、後述する太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)2およびダイシング後の成膜済み分割半導体基板(分割成膜基板)3は、例えば、半導体基板11の受光面側に第1真性半導体層23、第1導電型半導体層25および第1透明電極層27が成膜され、半導体基板11の裏面側に第2真性半導体層33、第2導電型半導体層35および第2透明電極層37が成膜された基板である。 In the case of such a double-sided electrode type solar cell 1, a work-in-progress of the solar cell to be described later, that is, a large-sized semiconductor substrate with a film formed before dicing (large-sized film-formed substrate) 2 and a divided semiconductor substrate with a film formed after dicing (divided The deposition substrate 3 has, for example, a first intrinsic semiconductor layer 23, a first conductivity type semiconductor layer 25, and a first transparent electrode layer 27 formed on the light receiving surface side of the semiconductor substrate 11, and on the back surface side of the semiconductor substrate 11. It is a substrate on which a second intrinsic semiconductor layer 33, a second conductivity type semiconductor layer 35 and a second transparent electrode layer 37 are formed.

(裏面電極型の太陽電池)
図2に示すように、裏面電極型の太陽電池1は、半導体基板11と、半導体基板11の受光面(一方主面)側に順に積層(形成)された第3真性半導体層3および反射防止層15とを備える。また、太陽電池1は、半導体基板11の裏面(他方主面)側の一部に順に積層された第1真性半導体層23、第1導電型半導体層25、第1透明電極層27および第1金属電極層28を備える。また、太陽電池1は、半導体基板11の裏面側の他の一部に順に積層された第2真性半導体層33、第2導電型半導体層35、第2透明電極層37および第2金属電極層38を備える。
(Back electrode type solar cell)
As shown in FIG. 2, the back electrode type solar cell 1 includes a semiconductor substrate 11, a third intrinsic semiconductor layer 3 and an antireflection semiconductor layer 3 laminated (formed) in order on the light receiving surface (one main surface) side of the semiconductor substrate 11. layer 15; In addition, the solar cell 1 includes a first intrinsic semiconductor layer 23, a first conductivity type semiconductor layer 25, a first transparent electrode layer 27 and a first semiconductor layer 25, which are laminated in order on a portion of the back surface (the other main surface) of the semiconductor substrate 11. A metal electrode layer 28 is provided. The solar cell 1 also includes a second intrinsic semiconductor layer 33, a second conductivity type semiconductor layer 35, a second transparent electrode layer 37, and a second metal electrode layer, which are laminated in order on another portion of the back surface side of the semiconductor substrate 11. 38.

このような裏面電極型の太陽電池1の場合、後述する太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)2およびダイシング後の成膜済み分割半導体基板(分割成膜基板)3は、例えば、半導体基板11の受光面側に第3真性半導体層13および反射防止層15が成膜され、半導体基板11の裏面側に第1真性半導体層23、第1導電型半導体層25、第1透明電極層27、第2真性半導体層33、第2導電型半導体層35および第2透明電極層37が成膜された基板である。 In the case of such a back electrode type solar cell 1, a solar cell work-in-progress described later, that is, a large-sized semiconductor substrate with a film formed before dicing (large-sized film-formed substrate) 2 and a divided semiconductor substrate with a film formed after dicing (divided The deposition substrate 3 has, for example, a third intrinsic semiconductor layer 13 and an antireflection layer 15 deposited on the light receiving surface side of the semiconductor substrate 11 , and a first intrinsic semiconductor layer 23 and a first conductive layer 23 on the back surface side of the semiconductor substrate 11 . It is a substrate on which a type semiconductor layer 25, a first transparent electrode layer 27, a second intrinsic semiconductor layer 33, a second conductivity type semiconductor layer 35 and a second transparent electrode layer 37 are formed.

以下では、図1または図2に示す太陽電池1の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)2およびダイシング後の成膜済み分割半導体基板(分割成膜基板)3およびその製造方法について説明する。また、太陽電池1の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)3の生産管理方法および生産管理システムについて説明する。 In-process products of the solar cell 1 shown in FIG. 1 or FIG. 2, that is, a large-sized semiconductor substrate (large-sized film-formed substrate) 2 before dicing and a divided semiconductor substrate (divided-film-formed substrate) after dicing are described below. 3 and its manufacturing method. Also, a production control method and a production control system for the in-process product of the solar cell 1, that is, the divided semiconductor substrates (divided film-formed substrates) 3 after dicing, will be described.

図3は、本実施形態に係る太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理システムを示す図である。図4Aは、本実施形態に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるマーキング工程および成膜工程を示す図である。図4Bは、本実施形態に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるダイシング工程を示す図である。図4Cは、本実施形態に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法における読取工程を示す図である。 FIG. 3 is a diagram showing a production management system for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate) according to the present embodiment. FIG. 4A shows a method for manufacturing a work-in-process product of a solar cell according to the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a marking process and a film forming process in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film formed substrate). FIG. 4B shows a method for manufacturing a work-in-process product of a solar cell according to the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). 1 is a diagram showing a dicing step in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate). FIG. FIG. 4C shows a method for manufacturing a work-in-progress of a solar cell according to the present embodiment, that is, a large-sized semiconductor substrate with a film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with a film formed after dicing (divided film-formed substrate). FIG. 10 is a diagram showing a reading process in a production control method for a solar cell work-in-progress, that is, a divided semiconductor substrate after dicing (divided film-formed substrate).

(生産管理システム)
図3に示す生産管理システム100は、例えば太陽電池1の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)3の生産履歴情報の管理を行うシステムである。生産管理システム100は、マーキング装置110と、成膜装置120と、ダイシング装置130と、管理装置140と、読取装置150とを含む。
(production management system)
The production management system 100 shown in FIG. 3 is a system that manages production history information of, for example, a work-in-progress of the solar cell 1, that is, the divided semiconductor substrates (divided film-formed substrates) 3 after dicing. The production management system 100 includes a marking device 110 , a film forming device 120 , a dicing device 130 , a management device 140 and a reading device 150 .

マーキング装置110は、例えばレーザを用いたマーキング装置である。マーキング装置110は、大判半導体基板(例えば、6インチМ2ウェハ:156.75mm×156.75mm)11に、識別マークをマーキングする。具体的には、マーキング装置110は、図4Aに示すように、大判半導体基板11の一方主面側(例えば裏面側)における、予めプログラムされたダイシング線Lによって分割される分割領域ごとに、少なくとも1つの識別マークMをマーキングする。 The marking device 110 is, for example, a marking device using a laser. A marking device 110 marks an identification mark on a large-sized semiconductor substrate (for example, a 6-inch М2 wafer: 156.75 mm×156.75 mm) 11 . Specifically, as shown in FIG. 4A, the marking device 110 performs at least Mark one identification mark M.

マーキング装置110のマーキング可能範囲A1は、大判半導体基板11よりも小さい。図4Aの例では、マーキング可能範囲A1は、30mm×30mmである。マーキング装置110は、1台で、大判半導体基板11における全ての識別マークMを同時にマーキングする。 A markable range A<b>1 of the marking device 110 is smaller than the large-sized semiconductor substrate 11 . In the example of FIG. 4A, the markable range A1 is 30 mm×30 mm. A single marking device 110 marks all the identification marks M on the large-sized semiconductor substrate 11 at the same time.

また、マーキング装置110は、図4Cに示すように、後述するダイシング装置130によるダイシング後に複数の成膜済み分割半導体基板3を重ねる場合に、複数の成膜済み分割半導体基板3における識別マークMが重なるように、複数の識別マークMをマーキングする。換言すれば、マーキング装置110は、マーキング可能範囲A1内において、ダイシング線Lに対して回転対称に、識別マークMをマーキングする。 Further, as shown in FIG. 4C, the marking device 110, when stacking a plurality of film-formed divided semiconductor substrates 3 after dicing by a dicing device 130 to be described later, the identification mark M on the plurality of film-formed divided semiconductor substrates 3 is A plurality of identification marks M are marked so as to overlap. In other words, the marking device 110 marks the identification mark M rotationally symmetrically with respect to the dicing line L within the markable range A1.

識別マークMは、ダイシング線Lとの離間距離が15mm以下である位置に、かつ、大判半導体基板11の中央部に配置される。 The identification mark M is arranged at a position spaced apart from the dicing line L by 15 mm or less and in the central portion of the large-sized semiconductor substrate 11 .

識別マークMは、英数字、図形、バーコード、二次元バーコード等のうち少なくとも1を含む。識別マークMは、ダイシング後の分割半導体基板3の固有の識別子、ダイシング前の大判半導体基板2(または11)の固有の識別子、および大判半導体基板2(または11)における分割半導体基板3の位置等を含む。 The identification mark M includes at least one of alphanumeric characters, graphics, barcodes, two-dimensional barcodes, and the like. The identification marks M are unique identifiers of the divided semiconductor substrates 3 after dicing, unique identifiers of the large-sized semiconductor substrates 2 (or 11) before dicing, positions of the divided semiconductor substrates 3 on the large-sized semiconductor substrates 2 (or 11), and the like. including.

成膜装置120は、例えばCVD(化学気相堆積)装置またはPVD(物理気相堆積)装置である。成膜装置120は、大判半導体基板11上に、識別マークMの位置を除いて成膜することにより、成膜済み大判半導体基板2を生成する。 The film forming device 120 is, for example, a CVD (chemical vapor deposition) device or a PVD (physical vapor deposition) device. The film forming apparatus 120 forms a film on the large-sized semiconductor substrate 11 except for the position of the identification mark M, thereby producing the large-sized semiconductor substrate 2 with film formation.

例えば図1に示す両面電極型の太陽電池1の場合、成膜装置120は、半導体基板11の受光面側に第1真性半導体層23、第1導電型半導体層25および第1透明電極層27を成膜し、半導体基板11の裏面側に、識別マークの位置を除いて、第2真性半導体層33、第2導電型半導体層35および第2透明電極層37を成膜する。 For example, in the case of the double-sided electrode type solar cell 1 shown in FIG. , and a second intrinsic semiconductor layer 33, a second conductivity type semiconductor layer 35, and a second transparent electrode layer 37 are formed on the back side of the semiconductor substrate 11 except for the positions of the identification marks.

一方、例えば図2に示す裏面電極型の太陽電池1の場合、成膜装置120は、半導体基板11の受光面側に順に第3真性半導体層3および反射防止層15を成膜し、半導体基板11の裏面側の一部に、識別マークの位置を除いて、第1真性半導体層23、第1導電型半導体層25および第1透明電極層27を成膜し、半導体基板11の裏面側の他の一部に、識別マークの位置を除いて、第2真性半導体層33、第2導電型半導体層35および第2透明電極層37を成膜する。 On the other hand, for example, in the case of the back electrode type solar cell 1 shown in FIG. A first intrinsic semiconductor layer 23, a first conductivity type semiconductor layer 25 and a first transparent electrode layer 27 are formed on a part of the back side of the semiconductor substrate 11 except for the positions of the identification marks. A second intrinsic semiconductor layer 33, a second conductivity type semiconductor layer 35 and a second transparent electrode layer 37 are formed on the other part except for the positions of the identification marks.

ダイシング装置130は、例えばレーザを用いたダイシング装置である。ダイシング装置130は、予めプログラムされたダイシング線Lに沿って、成膜済み大判半導体基板2をダイシングすることにより、複数の成膜済み分割半導体基板3を生成する。 The dicing device 130 is, for example, a dicing device using a laser. The dicing device 130 produces a plurality of divided semiconductor substrates 3 with films formed thereon by dicing the large-sized semiconductor substrates 2 with films formed thereon along dicing lines L programmed in advance.

管理装置140は、マーキング装置110によるマーキング時の情報、成膜装置120による成膜時の情報、およびダイシング装置130によるダイシング時の情報のうち少なくとも1つを生産履歴情報として、識別マークが示す情報と関連付けて管理する。 The management device 140 uses at least one of information on marking by the marking device 110, information on film formation by the film forming device 120, and information on dicing by the dicing device 130 as production history information, and information indicated by the identification mark. managed in association with

マーキング装置110によるマーキング時の生産履歴情報としては、レーザ強度、照射時間、大判半導体基板に対するマーキング位置(例えば、109A,109B,109C,109Dのような)等のマーキング条件が挙げられる。成膜装置120による成膜時の生産履歴情報としては、各層の成膜条件や製膜日時などが挙げられる。ダイシング装置130によるダイシング時の生産履歴情報としては、レーザ強度、照射時間、大判半導体基板における分割半導体基板の位置等のダイシング条件が挙げられる。 Production history information at the time of marking by the marking device 110 includes marking conditions such as laser intensity, irradiation time, and marking positions (for example, 109A, 109B, 109C, and 109D) on large-sized semiconductor substrates. The production history information at the time of film formation by the film forming apparatus 120 includes the film formation conditions of each layer, the film formation date and time, and the like. The production history information at the time of dicing by the dicing device 130 includes dicing conditions such as laser intensity, irradiation time, and positions of divided semiconductor substrates in a large-sized semiconductor substrate.

読取装置150は、例えばレーザを用いた読み取り装置である。読取装置150は、複数の成膜済み分割半導体基板3ごとに識別マークを読み取ることにより、管理装置140から、識別マークMが示す情報に関連付けされた生産履歴情報を読み取る。 The reader 150 is, for example, a reader using a laser. The reading device 150 reads the identification marks for each of the plurality of divided semiconductor substrates 3 on which films are formed, thereby reading the production history information associated with the information indicated by the identification marks M from the management device 140 .

(生産管理方法、製造方法)
次に、図4A~図4Cを参照して、本実施形態に係る太陽電池1の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)2およびダイシング後の成膜済み分割半導体基板(分割成膜基板)3の製造方法を含む、太陽電池1の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)3の生産管理方法について説明する。
(Production control method, manufacturing method)
Next, referring to FIGS. 4A to 4C, a work-in-process product of the solar cell 1 according to the present embodiment, that is, a large-sized semiconductor substrate (large-sized film-formed substrate) 2 before dicing and a film-formed division after dicing. A production control method for the in-process product of the solar cell 1, that is, the divided semiconductor substrate (divided film-formed substrate) 3 after dicing, including the manufacturing method of the semiconductor substrate (divided film-formed substrate) 3 will be described.

まず、大判半導体基板(例えば、6インチウェハ)11を、図3に示すマーキング装置110に搬送する。これにより、図4Aに示すように、大判半導体基板11の一方主面側(例えば、裏面側)に、予めプログラムされたダイシング線Lによって分割される分割領域ごとに、少なくとも1つの識別マークMをマーキングする(マーキング工程)。 First, a large-sized semiconductor substrate (for example, a 6-inch wafer) 11 is transferred to the marking device 110 shown in FIG. As a result, as shown in FIG. 4A, at least one identification mark M is formed on one main surface side (for example, the back surface side) of the large-sized semiconductor substrate 11 for each divided area divided by the dicing lines L programmed in advance. Mark (marking process).

このとき、マーキング可能範囲A1が大判半導体基板11よりも小さい1つのマーキング装置110を用いて、大判半導体基板11における全ての識別マークMを同時にマーキングする。また、図4Cに示すように、後述するダイシング工程後に複数の成膜済み分割半導体基板3を重ねる場合に、複数の成膜済み分割半導体基板3における識別マークMが重なるように、複数の識別マークMをマーキングする。換言すれば、1つのマーキング装置110のマーキング可能範囲A1内において、ダイシング線Lに対して回転対称に、識別マークMをマーキングする。 At this time, all the identification marks M on the large-sized semiconductor substrate 11 are marked at the same time using one marking device 110 whose markable range A1 is smaller than that of the large-sized semiconductor substrate 11 . Further, as shown in FIG. 4C, when a plurality of divided semiconductor substrates 3 on which films have been formed are stacked after a dicing process which will be described later, a plurality of identification marks are formed such that the identification marks M on the plurality of divided semiconductor substrates 3 on which films have been formed overlap. Mark M. In other words, the identification mark M is marked rotationally symmetrical with respect to the dicing line L within the markable range A1 of one marking device 110 .

識別マークMは、ダイシング線Lとの離間距離が15mm以下である位置に配置される。レーザを用いたダイシングでは、ダイシングされた端部の特性が劣化する。本実施形態によれば、識別マークMを、ダイシングによって特性劣化する箇所に配置するので、識別マークMに起因する発電効率低下を低減することができる。 The identification mark M is arranged at a position separated from the dicing line L by 15 mm or less. In dicing using a laser, the characteristics of the diced edges deteriorate. According to the present embodiment, since the identification mark M is arranged at a location where the characteristics are degraded by dicing, a decrease in power generation efficiency caused by the identification mark M can be reduced.

また、識別マークは、大判半導体基板11の中央部に配置される。これにより、マーキング装置110のマーキング可能範囲A1を小さくすることができ、マーキング装置110の小型化が可能である。 Also, the identification mark is arranged in the central portion of the large-sized semiconductor substrate 11 . As a result, the markable range A1 of the marking device 110 can be reduced, and the size of the marking device 110 can be reduced.

次に、大判半導体基板11を、図3に示す成膜装置120に搬送する。これにより、大判半導体基板11上に、識別マークMの位置を除いて成膜することにより、成膜済み大判半導体基板2を生成する(成膜工程)。 Next, the large-sized semiconductor substrate 11 is transported to the film forming apparatus 120 shown in FIG. As a result, a film is formed on the large-sized semiconductor substrate 11 except for the position of the identification mark M, thereby producing the film-formed large-sized semiconductor substrate 2 (film-forming step).

例えば図1に示す両面電極型の太陽電池1の場合、半導体基板11の受光面側に第1真性半導体層23、第1導電型半導体層25および第1透明電極層27を成膜し、半導体基板11の裏面側に、識別マークの位置を除いて、第2真性半導体層33、第2導電型半導体層35および第2透明電極層37を成膜する。 For example, in the case of the double-sided electrode type solar cell 1 shown in FIG. A second intrinsic semiconductor layer 33, a second conductivity type semiconductor layer 35, and a second transparent electrode layer 37 are formed on the back side of the substrate 11 except for the positions of the identification marks.

一方、例えば図2に示す裏面電極型の太陽電池1の場合、半導体基板11の受光面側に順に第3真性半導体層3および反射防止層15を成膜し、半導体基板11の裏面側の一部に、識別マークの位置を除いて、第1真性半導体層23、第1導電型半導体層25および第1透明電極層27を成膜し、半導体基板11の裏面側の他の一部に、識別マークの位置を除いて、第2真性半導体層33、第2導電型半導体層35および第2透明電極層37を成膜する。
(以上、大判成膜基板の製造方法)
On the other hand, for example, in the case of the back electrode type solar cell 1 shown in FIG. A first intrinsic semiconductor layer 23, a first conductivity type semiconductor layer 25, and a first transparent electrode layer 27 are formed on the other part of the back surface of the semiconductor substrate 11 except for the position of the identification mark. A second intrinsic semiconductor layer 33, a second conductivity type semiconductor layer 35 and a second transparent electrode layer 37 are formed except for the positions of the identification marks.
(The above is the method for manufacturing a large-sized film-formed substrate)

次に、成膜済み大判半導体基板2を、図3に示すダイシング装置130に搬送する。これにより、予めプログラムされたダイシング線Lに沿って成膜済み大判半導体基板2をダイシングすることにより、図4Bに示すように、複数の成膜済み分割半導体基板3を生成する(ダイシング工程)。
(以上、分割成膜基板の製造方法)
Next, the film-formed large-sized semiconductor substrate 2 is transported to the dicing apparatus 130 shown in FIG. Thus, by dicing the film-formed large-sized semiconductor substrate 2 along pre-programmed dicing lines L, a plurality of film-formed divided semiconductor substrates 3 are generated as shown in FIG. 4B (dicing step).
(The above is the method for manufacturing the divided film-forming substrate)

ここで、上述した各工程では、各工程の情報のうち少なくとも1つを生産履歴情報として、識別マークMが示す情報と関連付けて管理する(管理工程)。例えば、マーキング工程では、マーキング工程におけるレーザ強度、照射時間、大判半導体基板に対するマーキング位置(例えば、109A,109B,109C,109Dのような)等のマーキング条件を生産履歴情報として、識別マークMが示す情報と関連付けて管理する。また、成膜工程では、成膜工程における各層の成膜条件や製膜日時などを生産履歴情報として、識別マークMが示す情報と関連付けて管理する。また、ダイシング工程では、ダイシング工程におけるレーザ強度、照射時間、大判半導体基板における分割半導体基板の位置等のダイシング条件を生産履歴情報として、識別マークMが示す情報と関連付けて管理する。 Here, in each process described above, at least one of the information of each process is managed as production history information in association with the information indicated by the identification mark M (management process). For example, in the marking process, the identification mark M indicates the marking conditions such as the laser intensity, the irradiation time, and the marking positions (such as 109A, 109B, 109C, and 109D) on the large-sized semiconductor substrate as production history information. Manage in association with information. In the film forming process, the film forming conditions and film forming date and time of each layer in the film forming process are managed as production history information in association with the information indicated by the identification mark M. In the dicing process, dicing conditions such as laser intensity, irradiation time, and positions of the divided semiconductor substrates in the large-sized semiconductor substrate are managed as production history information in association with information indicated by the identification mark M.

次に、成膜済み分割半導体基板3を、図3に示す読取装置150に搬送する。これにより、複数の成膜済み分割半導体基板3ごとに識別マークMを読み取ることにより、管理装置140から、識別マークMが示す情報に関連付けされた生産履歴情報を読み取る(読取工程)。 Next, the divided semiconductor substrates 3 on which films have been formed are transported to the reader 150 shown in FIG. Thus, by reading the identification marks M for each of the plurality of divided semiconductor substrates 3 on which films have been formed, the production history information associated with the information indicated by the identification marks M is read from the management device 140 (reading step).

以上説明したように、本実施形態の大判成膜基板2の製造方法、分割成膜基板3の製造方法、および分割成膜基板3の生産管理方法によれば、マーキング工程において、1つのマーキング装置110を用いて、大判基板11における全ての識別マークMを同時にマーキングし、マーキング装置110のマーキング可能範囲A1が大判基板11よりも小さい。これにより、マーキング装置110の小型化が可能であり、装置導入コストを低減することができる。そのため、製造コストの低コスト化が可能である。 As described above, according to the method for manufacturing the large film-formed substrate 2, the method for manufacturing the divided film-formed substrate 3, and the production control method for the divided film-formed substrate 3 of the present embodiment, in the marking process, one marking device 110 is used to mark all identification marks M on the large-sized substrate 11 at the same time, and the markable range A1 of the marking device 110 is smaller than that of the large-sized substrate 11 . As a result, the size of the marking device 110 can be reduced, and the cost of introducing the device can be reduced. Therefore, the manufacturing cost can be reduced.

また、本実施形態の大判成膜基板2の製造方法、分割成膜基板3の製造方法、および分割成膜基板3の生産管理方法によれば、マーキング工程において、ダイシング工程後に複数の分割成膜基板3を重ねる場合に、複数の分割成膜基板3における識別マークMが重なるように(図4C)、複数の識別マークMをマーキングする。これにより、読取工程において複数の分割成膜基板3の識別マークMを同じ位置で容易に読み取ることができる。更に、読取装置150の読み取り範囲A2を小さくすることができるので、識別マークMの読み取り分解能を高め、読み取り精度を高めることができる。 Further, according to the method for manufacturing the large film-formed substrate 2, the method for manufacturing the divided film-formed substrate 3, and the production control method for the divided film-formed substrate 3, in the marking process, after the dicing process, a plurality of divided film-forms are formed. When stacking the substrates 3, a plurality of identification marks M are marked so that the identification marks M on the plurality of divided film formation substrates 3 overlap (FIG. 4C). This makes it possible to easily read the identification marks M of the plurality of divided film formation substrates 3 at the same position in the reading process. Furthermore, since the reading range A2 of the reading device 150 can be reduced, the reading resolution of the identification mark M can be increased, and the reading accuracy can be improved.

(変形例1)
図5Aは、本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるマーキング工程および成膜工程を示す図である。図5Bは、本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるダイシング工程を示す図である。
(Modification 1)
FIG. 5A shows a work-in-progress of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). 1 is a diagram showing a marking process and a film formation process in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate), including the manufacturing method of FIG. FIG. 5B is a work-in-process of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). 1 is a diagram showing a dicing step in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate), including the manufacturing method of FIG.

図5Aおよび図5Bに示すように、マーキング工程では、マーキング装置110によって、識別マークMは、大判半導体基板11の中央部ではなく、大判半導体基板11の端部に配置されてもよい。大判半導体基板11の端部の光電変換特性は、大判半導体基板11の中央部の光電変換特性よりも低いことが多い。本変形例によれば、識別マークMを、光電変換特性が低い端部に配置するので、識別マークMに起因する発電効率低下を低減することができる。 As shown in FIGS. 5A and 5B , in the marking process, the marking device 110 may place the identification mark M at the edge of the large semiconductor substrate 11 instead of the central portion of the large semiconductor substrate 11 . The photoelectric conversion characteristics of the ends of the large-sized semiconductor substrate 11 are often lower than the photoelectric conversion characteristics of the central portion of the large-sized semiconductor substrate 11 . According to this modified example, the identification mark M is arranged at the end portion where the photoelectric conversion characteristics are low, so the reduction in power generation efficiency caused by the identification mark M can be reduced.

なお、本変形例でも、マーキング可能範囲A1が大判半導体基板11よりも小さい1つのマーキング装置110を用いて、大判半導体基板11における全ての識別マークMを同時にマーキングする。図5Aの例では、マーキング可能範囲A1は、30mm×170mmである。 Also in this modification, all the identification marks M on the large-sized semiconductor substrate 11 are marked at the same time using one marking device 110 whose markable range A1 is smaller than that of the large-sized semiconductor substrate 11. FIG. In the example of FIG. 5A, the markable range A1 is 30 mm×170 mm.

また、本変形例でも、ダイシング工程後に複数の成膜済み分割半導体基板3を重ねる場合に、複数の成膜済み分割半導体基板3における識別マークMが重なるように、複数の識別マークMをマーキングする。換言すれば、1つのマーキング装置110のマーキング可能範囲A1内において、ダイシング線Lに対して回転対称に、識別マークMをマーキングする。 Also in this modification, when a plurality of divided semiconductor substrates 3 on which films have been formed are stacked after the dicing process, the plurality of identification marks M are marked so that the identification marks M on the plurality of divided semiconductor substrates 3 on which films have been formed overlap. . In other words, the identification mark M is marked rotationally symmetrical with respect to the dicing line L within the markable range A1 of one marking device 110 .

また、本変形例では、ダイシング工程において、光電変換特性が低い大判半導体基板11の端部を切り落としてもよい。この場合、大判半導体基板11の端部の切り落としのためのダイシング線L0によって分割される端部領域には、本発明の特徴である識別マークのマーキングを考慮する必要がない。 In addition, in this modified example, the end portion of the large-sized semiconductor substrate 11 having low photoelectric conversion characteristics may be cut off in the dicing process. In this case, it is not necessary to consider the marking of the identification mark, which is a feature of the present invention, in the end region divided by the dicing line L0 for cutting off the end of the large-sized semiconductor substrate 11 .

(変形例2)
図6Aは、本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるマーキング工程および成膜工程を示す図である。図6Bは、本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるダイシング工程を示す図である。図6Cは、本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法における読取工程を示す図である。
(Modification 2)
FIG. 6A shows a work-in-process of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). 1 is a diagram showing a marking process and a film formation process in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate), including the manufacturing method of FIG. FIG. 6B is a work-in-process of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). 1 is a diagram showing a dicing step in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate), including the manufacturing method of FIG. FIG. 6C shows a work-in-process of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). 1 is a diagram showing a reading process in a production control method for a solar cell in-process product, that is, a film-formed divided semiconductor substrate after dicing (divided film-formed substrate), including the manufacturing method of FIG.

図6A~図6Cに示すように、交差するダイシング線Lによって4等分に分割されてもよい。 It may be divided into four equal parts by crossing dicing lines L, as shown in FIGS. 6A-6C.

なお、本変形例でも、マーキング可能範囲A1が大判半導体基板11よりも小さい1つのマーキング装置110を用いて、大判半導体基板11における全ての識別マークMを同時にマーキングする。図6Aの例では、マーキング可能範囲A1は、30mm×30mmである。 Also in this modification, all the identification marks M on the large-sized semiconductor substrate 11 are marked at the same time using one marking device 110 whose markable range A1 is smaller than that of the large-sized semiconductor substrate 11. FIG. In the example of FIG. 6A, the markable range A1 is 30 mm×30 mm.

また、本変形例でも、図6Cに示すように、ダイシング工程後に複数の成膜済み分割半導体基板3を重ねる場合に、複数の成膜済み分割半導体基板3における識別マークMが重なるように、複数の識別マークMをマーキングする。換言すれば、1つのマーキング装置110のマーキング可能範囲A1内において、ダイシング線Lに対して回転対称に、識別マークMをマーキングする。 Also, in this modification, as shown in FIG. 6C, when a plurality of divided semiconductor substrates 3 with film formation completed are stacked after the dicing process, the identification marks M of the plurality of divided semiconductor substrates 3 with film formation overlap each other. marking the identification mark M of. In other words, the identification mark M is marked rotationally symmetrical with respect to the dicing line L within the markable range A1 of one marking device 110 .

(変形例3)
図7Aは、本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるマーキング工程および成膜工程を示す図である。図7Bは、本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるダイシング工程を示す図である。
(Modification 3)
FIG. 7A shows a work-in-process of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). 1 is a diagram showing a marking process and a film formation process in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate), including the manufacturing method of FIG. FIG. 7B is a work-in-process of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). 1 is a diagram showing a dicing step in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate), including the manufacturing method of FIG.

上述した実施形態では、一方向に2等分に分割する形態を例示したが、図7Aおよび図7Bに示すように、一方向に4、6等分以上(偶数)に分割されてもよい。 In the above-described embodiment, the form of dividing into two equal parts in one direction was exemplified, but as shown in FIGS. 7A and 7B, it may be divided into 4, 6 or more equal parts (an even number) in one direction.

なお、本変形例でも、マーキング可能範囲A1が大判半導体基板11よりも小さい1つのマーキング装置110を用いて、大判半導体基板11における全ての識別マークMを同時にマーキングする。図7Aの例では、マーキング可能範囲A1は、170mm×30mmである。 Also in this modification, all the identification marks M on the large-sized semiconductor substrate 11 are marked at the same time using one marking device 110 whose markable range A1 is smaller than that of the large-sized semiconductor substrate 11. FIG. In the example of FIG. 7A, the markable range A1 is 170 mm×30 mm.

また、本変形例でも、ダイシング工程後に複数の成膜済み分割半導体基板3を重ねる場合に、複数の成膜済み分割半導体基板3における識別マークMが重なるように、複数の識別マークMをマーキングする。換言すれば、1つのマーキング装置110のマーキング可能範囲A1内において、ダイシング線Lに対して回転対称に、識別マークMをマーキングする。 Also in this modification, when a plurality of divided semiconductor substrates 3 on which films have been formed are stacked after the dicing process, the plurality of identification marks M are marked so that the identification marks M on the plurality of divided semiconductor substrates 3 on which films have been formed overlap. . In other words, the identification mark M is marked rotationally symmetrical with respect to the dicing line L within the markable range A1 of one marking device 110 .

(変形例4)
図8Aは、本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるマーキング工程および成膜工程を示す図である。図8Bは、本実施形態の変形例に係る太陽電池の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)およびダイシング後の成膜済み分割半導体基板(分割成膜基板)の製造方法を含む、太陽電池の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)の生産管理方法におけるダイシング工程を示す図である。
(Modification 4)
FIG. 8A shows a work-in-process of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). 1 is a diagram showing a marking process and a film formation process in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate), including the manufacturing method of FIG. FIG. 8B is a work-in-process of a solar cell according to a modification of the present embodiment, that is, a large-sized semiconductor substrate with film formed before dicing (large film-formed substrate) and a divided semiconductor substrate with film formed after dicing (divided film-formed substrate). 1 is a diagram showing a dicing step in a production control method for a solar cell in-process product, that is, a divided semiconductor substrate after dicing (divided film-formed substrate), including the manufacturing method of FIG.

上述した実施形態では、一方向に2等分に分割する形態を例示したが、図8Aおよび図8Bに示すように、一方向に3等分以上(奇数)に分割されてもよい。 In the above-described embodiment, the form of dividing into two equal parts in one direction was exemplified, but as shown in FIGS. 8A and 8B, it may be divided into three or more equal parts (odd number) in one direction.

なお、本変形例でも、マーキング可能範囲A1が大判半導体基板11よりも小さい1つのマーキング装置110を用いて、大判半導体基板11における全ての識別マークMを同時にマーキングする。図8Aの例では、マーキング可能範囲A1は、100mm×170mmである。 Also in this modification, all the identification marks M on the large-sized semiconductor substrate 11 are marked at the same time using one marking device 110 whose markable range A1 is smaller than that of the large-sized semiconductor substrate 11. FIG. In the example of FIG. 8A, the markable range A1 is 100 mm×170 mm.

また、本変形例でも、ダイシング工程後に複数の成膜済み分割半導体基板3を重ねる場合に、複数の成膜済み分割半導体基板3における識別マークMが重なるように、複数の識別マークMをマーキングする。換言すれば、1つのマーキング装置110のマーキング可能範囲A1内において、ダイシング線Lに対して回転対称に、識別マークMをマーキングする。なお、本変形例のように、更にダイシング線Lに対して回転対称には配置された識別マークMに加えて更に、識別マークM0を配置してもよい。 Also in this modification, when a plurality of divided semiconductor substrates 3 on which films have been formed are stacked after the dicing process, the plurality of identification marks M are marked so that the identification marks M on the plurality of divided semiconductor substrates 3 on which films have been formed overlap. . In other words, the identification mark M is marked rotationally symmetrical with respect to the dicing line L within the markable range A1 of one marking device 110 . In addition to the identification marks M arranged rotationally symmetrically with respect to the dicing line L, an identification mark M0 may be arranged as in this modification.

以上、本発明の実施形態について説明したが、本発明は上述した実施形態に限定されることなく、種々の変更および変形が可能である。例えば、上述した実施形態では、図1または図2に示す太陽電池1の仕掛品、すなわちダイシング前の成膜済み大判半導体基板(大判成膜基板)2およびダイシング後の成膜済み分割半導体基板(分割成膜基板)3およびその製造方法について説明した。しかし、本発明の大判成膜基板およびその製造方法、および分割成膜基板およびその製造方法はこれに限定されず、種々の大判成膜基板およびその製造方法、および分割成膜基板およびその製造方法に適用可能である。 Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various changes and modifications are possible. For example, in the above-described embodiments, the in-process products of the solar cell 1 shown in FIG. 1 or FIG. The divided film formation substrate) 3 and the manufacturing method thereof have been described. However, the large film formation substrate and its manufacturing method, and the divided film formation substrate and its manufacturing method of the present invention are not limited to this, and various large film formation substrates and their manufacturing methods, and the divided film formation substrates and their manufacturing methods. applicable to

また、上述した実施形態では、図1または図2に示す太陽電池1の仕掛品、すなわちダイシング後の成膜済み分割半導体基板(分割成膜基板)3の生産管理方法および生産管理システム100について説明した。しかし、本発明の分割成膜基板の生産管理方法および生産管理システムはこれに限定されず、種々の分割成膜基板の生産管理方法および生産管理システムに適用可能である。 Further, in the above-described embodiment, the production control method and the production control system 100 for the in-process product of the solar cell 1 shown in FIG. 1 or FIG. did. However, the production control method and production control system for divided film formation substrates of the present invention are not limited to this, and can be applied to various production control methods and production control systems for various division film formation substrates.

1 太陽電池
2 成膜済み大判半導体基板(大判成膜基板)
3 成膜済み分割半導体基板(分割成膜基板)
11 半導体基板
13 第3真性半導体層
15 反射防止層
23 第1真性半導体層
25 第1導電型半導体層
27 第1透明電極層
28 第1金属電極層
33 第2真性半導体層
35 第2導電型半導体層
37 第2透明電極層
38 第2金属電極層
100 生産管理システム
110 マーキング装置
120 成膜装置
130 ダイシング装置
140 管理装置
150 読取装置
A1 マーキング可能範囲
A2 読取範囲
L,L0 ダイシング線
M,M0 識別マーク
1 solar cell 2 film-formed large-sized semiconductor substrate (large-sized film-formed substrate)
3 Film-formed divided semiconductor substrate (divided film-formed substrate)
REFERENCE SIGNS LIST 11 semiconductor substrate 13 third intrinsic semiconductor layer 15 antireflection layer 23 first intrinsic semiconductor layer 25 first conductivity type semiconductor layer 27 first transparent electrode layer 28 first metal electrode layer 33 second intrinsic semiconductor layer 35 second conductivity type semiconductor Layer 37 Second transparent electrode layer 38 Second metal electrode layer 100 Production control system 110 Marking device 120 Film forming device 130 Dicing device 140 Management device 150 Reading device A1 Markable range A2 Reading range L, L0 Dicing line M, M0 Identification mark

Claims (13)

ダイシング前の大判基板上に成膜してなる大判成膜基板の製造方法であって、
前記大判基板の一方主面側における、ダイシング線によって分割される分割領域ごとに、少なくとも1つの識別マークをマーキングするマーキング工程と、
前記大判基板上に、前記識別マークの位置を除いて成膜することにより、前記大判成膜基板を生成する成膜工程と、
を含み、
前記マーキング工程では、
ダイシング後に、前記大判成膜基板をダイシングしてなる複数の分割成膜基板を重ねる場合に、前記複数の分割成膜基板における前記識別マークが重なるように、
マーキング可能範囲が前記大判基板よりも小さい1つのマーキング装置を用いて、前記大判基板における全ての前記識別マークを同時にマーキングする、
大判成膜基板の製造方法。
A method for manufacturing a large-sized film-formed substrate formed by forming a film on a large-sized substrate before dicing,
a marking step of marking at least one identification mark for each divided region divided by a dicing line on one main surface side of the large-sized substrate;
a film forming step of forming the large film-formed substrate by forming a film on the large-sized substrate excluding the position of the identification mark;
including
In the marking process,
After dicing, when stacking a plurality of divided film formation substrates obtained by dicing the large film formation substrate, so that the identification marks of the plurality of divided film formation substrates overlap each other,
simultaneously marking all the identification marks on the large-sized substrate using a single marking device having a smaller markable range than the large-sized substrate;
A method for manufacturing a large-sized deposition substrate.
前記マーキング工程では、前記1つのマーキング装置の前記マーキング可能範囲内において、前記ダイシング線に対して回転対称に、前記識別マークをマーキングする、請求項1に記載の大判成膜基板の製造方法。 2. The method of manufacturing a large-sized film-formed substrate according to claim 1, wherein in said marking step, said identification mark is marked rotationally symmetrically with respect to said dicing line within said markable range of said one marking device. 前記識別マークは、前記ダイシング線との離間距離が15mm以下である位置に配置される、請求項1または2に記載の大判成膜基板の製造方法。 3. The method of manufacturing a large film-formed substrate according to claim 1, wherein said identification mark is arranged at a position separated from said dicing line by 15 mm or less. 前記識別マークは、前記大判基板の中央部に配置される、請求項1~3のいずれか1項に記載の大判成膜基板の製造方法。 4. The method for manufacturing a large film-formed substrate according to claim 1, wherein said identification mark is arranged in a central portion of said large substrate. 前記識別マークは、前記大判基板の端部に配置される、請求項1~3のいずれか1項に記載の大判成膜基板の製造方法。 4. The method for manufacturing a large film-formed substrate according to claim 1, wherein said identification mark is arranged at an edge of said large substrate. 前記識別マークは、英数字、図形、バーコード、二次元バーコードのうち少なくとも1を含む、請求項1~5のいずれか1項に記載の大判成膜基板の製造方法。 6. The method for manufacturing a large-sized film-formed substrate according to claim 1, wherein said identification mark includes at least one of alphanumeric characters, figures, barcodes, and two-dimensional barcodes. 前記大判成膜基板は、太陽電池の仕掛品である、請求項1~6のいずれか1項に記載の大判成膜基板の製造方法。 7. The method for manufacturing a large film-formed substrate according to claim 1, wherein said large film-formed substrate is a solar cell in-process product. 請求項1~7のいずれか1項に記載の大判成膜基板の製造方法を含み、前記大判成膜基板をダイシングしてなる前記複数の分割成膜基板の製造方法であって、
前記ダイシング線に沿って前記大判成膜基板をダイシングすることにより、前記複数の分割成膜基板を生成するダイシング工程を含む、
分割成膜基板の製造方法。
A method for manufacturing the plurality of divided film formation substrates, comprising the method for manufacturing a large film formation substrate according to any one of claims 1 to 7, and comprising dicing the large film formation substrate,
A dicing step of generating the plurality of divided film-formed substrates by dicing the large film-formed substrate along the dicing lines,
A method for manufacturing a divided film formation substrate.
請求項8に記載の分割成膜基板の製造方法を含み、前記複数の分割成膜基板の生産管理方法であって、
前記マーキング工程、前記成膜工程および前記ダイシング工程の情報のうち少なくとも1つを生産情報として、前記識別マークが示す情報と関連付けて管理する管理工程と、
前記複数の分割成膜基板ごとに前記識別マークを読み取ることにより、前記生産情報を読み取る読取工程と、
を含む、分割成膜基板の生産管理方法。
A production control method for the plurality of divided film formation substrates, comprising the method for manufacturing the divided film formation substrates according to claim 8,
a management step of managing at least one of the information of the marking step, the film forming step and the dicing step as production information in association with the information indicated by the identification mark;
a reading step of reading the production information by reading the identification mark for each of the plurality of divided film formation substrates;
A production control method for a divided deposition substrate, comprising:
前記マーキング工程の生産情報は、マーキング条件であり、
前記成膜工程の生産情報は、成膜条件であり、
前記ダイシング工程の生産情報は、ダイシング条件である、
請求項9に記載の分割成膜基板の生産管理方法。
The production information of the marking process is marking conditions,
The production information of the film forming process is film forming conditions,
The production information of the dicing step is dicing conditions,
10. The production control method for divided film-formed substrates according to claim 9.
請求項1~7のいずれか1項に記載の大判成膜基板の製造方法によって製造された大判成膜基板。 A large-sized film-formed substrate manufactured by the method for manufacturing a large-sized film-formed substrate according to any one of claims 1 to 7. 請求項8に記載の分割成膜基板の製造方法によって製造された分割成膜基板。 A split film formation substrate manufactured by the method for manufacturing a split film formation substrate according to claim 8 . 請求項9または10に記載の分割成膜基板の生産管理方法のための分割成膜基板の生産管理システムであって、
大判基板の一方主面側における、ダイシング線によって分割される分割領域ごとに、少なくとも1つの識別マークをマーキングするマーキング装置と、
前記大判基板上に、前記識別マークの位置を除いて成膜することにより、大判成膜基板を生成する成膜装置と、
前記ダイシング線に沿って前記大判成膜基板をダイシングすることにより、複数の分割成膜基板を生成するダイシング装置と、
前記マーキング装置によるマーキング時の情報、前記成膜装置による成膜時の情報、および前記ダイシング装置によるダイシング時の情報のうち少なくとも1つを生産情報として、前記識別マークが示す情報と関連付けて管理する管理装置と、
前記複数の分割成膜基板ごとに前記識別マークを読み取ることにより、前記生産情報を読み取る読取装置と、
を備え、
前記マーキング装置は、
ダイシング後に、前記大判成膜基板をダイシングしてなる複数の分割成膜基板を重ねる場合に、前記複数の分割成膜基板における前記識別マークが重なるように、
マーキング可能範囲が前記大判基板よりも小さい1つのマーキング装置を用いて、前記大判基板における全ての前記識別マークを同時にマーキングする、
分割成膜基板の生産管理システム。
11. A production control system for divided film-formed substrates for the production control method for divided film-formed substrates according to claim 9 or 10,
a marking device that marks at least one identification mark for each divided area divided by the dicing line on one main surface side of the large-sized substrate;
a film forming apparatus for forming a large-sized film-formed substrate by forming a film on the large-sized substrate except for the position of the identification mark;
a dicing apparatus for generating a plurality of divided film-formed substrates by dicing the large film-formed substrate along the dicing lines;
At least one of information at the time of marking by the marking device, information at the time of film formation by the film formation device, and information at the time of dicing by the dicing device is managed as production information in association with information indicated by the identification mark. a management device;
a reading device for reading the production information by reading the identification mark for each of the plurality of divided film formation substrates;
with
The marking device is
After dicing, when stacking a plurality of divided film formation substrates obtained by dicing the large film formation substrate, so that the identification marks of the plurality of divided film formation substrates overlap each other,
simultaneously marking all the identification marks on the large-sized substrate using a single marking device having a smaller markable range than the large-sized substrate;
A production management system for divided film-formed substrates.
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