WO2013191194A1 - Élément maille pour sérigraphie et plaque de sérigraphie - Google Patents

Élément maille pour sérigraphie et plaque de sérigraphie Download PDF

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Publication number
WO2013191194A1
WO2013191194A1 PCT/JP2013/066785 JP2013066785W WO2013191194A1 WO 2013191194 A1 WO2013191194 A1 WO 2013191194A1 JP 2013066785 W JP2013066785 W JP 2013066785W WO 2013191194 A1 WO2013191194 A1 WO 2013191194A1
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WO
WIPO (PCT)
Prior art keywords
screen printing
bus bar
electrode corresponding
mesh member
opening area
Prior art date
Application number
PCT/JP2013/066785
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English (en)
Japanese (ja)
Inventor
啓吾 高岡
孝泰 大日
一男 吉川
古保里　隆
Original Assignee
株式会社コベルコ科研
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社コベルコ科研 filed Critical 株式会社コベルコ科研
Priority to KR1020147035297A priority Critical patent/KR101717337B1/ko
Priority to CN201380032179.2A priority patent/CN104411504B/zh
Priority to KR1020177006459A priority patent/KR101756069B1/ko
Publication of WO2013191194A1 publication Critical patent/WO2013191194A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/24—Stencils; Stencil materials; Carriers therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • 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
    • H01L31/02—Details
    • H01L31/0224—Electrodes
    • H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • 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
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/14—Forme preparation for stencil-printing or silk-screen printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/24—Stencils; Stencil materials; Carriers therefor
    • B41N1/247—Meshes, gauzes, woven or similar screen materials; Preparation thereof, e.g. by plasma treatment
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
    • H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
    • H05K3/1216—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by screen printing or stencil printing
    • H05K3/1225—Screens or stencils; Holders therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the present invention relates to a screen printing plate used for screen printing of a surface electrode of a solar cell, and a mesh member (mesh member for screen printing) for constituting such a screen printing plate, and in particular, printing of a surface electrode of a solar cell.
  • a mesh member mesh member for screen printing
  • it can reduce the amount of silver paste for surface electrodes to be used and promote effective utilization of precious metal resources without reducing the conversion efficiency of solar cells.
  • the present invention relates to a mesh member and a screen printing plate.
  • the surface electrode of the solar battery cell includes a current collecting main electrode (referred to as “bus bar electrode”) and a current collecting grid electrode (referred to as “finger electrode”). These surface electrodes are formed by screen-printing a conductive silver paste in the solar cell manufacturing process.
  • 1A to 1B (drawing substitute photos) show configuration examples of surface electrodes (bus bar electrodes and finger electrodes) of solar cells.
  • FIG.1 (b) is an enlarged view of the principal part A in Fig.1 (a).
  • a mesh fabric knitted with fine polyester wires is joined to the periphery (also called a combination mask), and finally fixed to an aluminum frame, and a printing pattern is formed to form a screen printing plate (hereinafter simply referred to as “printing plate”).
  • printing plate hereinafter simply referred to as “printing plate”.
  • Fig. 2 Recently, metal foil mesh members in which holes are formed in a rolled metal foil by an etching method have begun to be used (for example, Patent Document 1).
  • FIGS. 3 (a) to 3 (b) are partially enlarged explanatory views of a general-purpose printing plate used for screen printing.
  • a fine wire mesh member [FIG. 3 (a)] or a metal foil mesh member [FIG. 3 (b)] is stretched on a screen frame (not shown)
  • a resin photosensitive emulsion
  • Only the portion that is not covered and printed (for example, the portion “4” in FIGS. 3A to 3B) is exposed to cure the photosensitive emulsion, and then the portion to be printed (for example, FIGS. 3A to 3B).
  • the photosensitive emulsion of “(3)” in (b) is removed, and the screen printing plate 5 is prepared leaving only the portion of 4 (in the figure, 1 is a line portion, 2 is an opening (hole) of a mesh member) Showing).
  • the portion 3 from which the photosensitive emulsion has been removed is called a print pattern portion.
  • FIG. 4 schematically shows a state when screen printing is performed using a fine wire mesh member or a metal foil mesh member.
  • the printing plate used for the formation of the surface electrode of the solar cell is a photosensitive emulsion of the electrode part through which the silver paste penetrates after exposing and developing the wiring shape of the finger electrode and busbar electrode after applying the photosensitive emulsion to the mesh member.
  • the emulsion is removed to produce a printed pattern.
  • FIG. 5A to FIG. 5B show a configuration example of a printing plate in which a printed pattern of finger electrodes and bus bar electrodes is formed by a rolled metal foil mesh member.
  • FIG.5 (b) is an enlarged view of the principal part B in Fig.5 (a).
  • the conversion efficiency of solar cells depends greatly on the surface electrode area and resistance value. That is, the conversion efficiency improves as the electrode area (area in plan view) is smaller and the resistance value is smaller.
  • the electrode part Since there are many finger electrodes and the electrode part blocks sunlight, it is necessary to print more finely in order to increase the light receiving area and increase the conversion efficiency of the solar cell. In addition, if the electrode resistance value is reduced by making the electrode thinner, the conversion efficiency of the solar cell is reduced. Therefore, the electrode is made thicker by reducing the width, so that the cross-sectional area of the electrode is kept constant and the resistance value is not lowered. It is necessary to devise.
  • a copper ribbon (called “tab”) is soldered on the bus bar electrode to form a low resistance electrode body as a whole.
  • the width of the tab is substantially constant for each number of bus bar electrodes. For example, when it is composed of four, about 1000 ⁇ m per line, when it is composed of three, about 1500 ⁇ m per line, In the case of two lines, the width is set to about 1800 ⁇ m per line, and the width of the bus bar electrode is printed in accordance with the width of the tab.
  • FIGS. 6A and 6B schematically show a state in which the bus bar electrode is tabbed and connected to the back electrode of the adjacent solar battery cell.
  • FIG. 6B is an enlarged view of a main part C in FIG.
  • the opening area ratio of the finger electrode corresponding portion of the printing plate using the fine line mesh member is set to about 60% (for example, Patent Document 2). If the aperture area ratio is further increased with the fine-line mesh member, the mesh member strength at the bus bar electrode corresponding part (shown as “bus bar electrode part” in FIGS. 5 (a) to 5 (b)) is insufficient and printing is performed. Sometimes mesh breaks occur. For this reason, it is common for the fine wire mesh member to suppress the opening area ratio to about 60% at the maximum.
  • the fine wire mesh member is formed by knitting fine wires at a constant interval, the opening area ratio in all regions of the mesh member is constant, and the opening area ratio cannot be changed depending on the region. For this reason, if the finger electrode is made thicker by increasing the opening area ratio of the finger electrode corresponding portion, the bus bar electrode inevitably becomes thicker. The bus bar electrode is not so thick because the tab is soldered, and if the bus bar electrode is printed with a printing plate having a large opening area ratio, the amount of silver used will be unnecessarily increased. At present, the amount of silver contained in the silver paste used in solar cells is said to be less than 10% of the world's silver production. There is concern about the depletion.
  • the ratio of silver paste to the manufacturing cost of a solar cell (the manufacturing cost of a solar cell with an electrode attached to a silicon wafer) is about 10%.
  • the present invention has been made in view of such circumstances, and its purpose is to effectively use precious metal resources by reducing the amount of silver paste for surface electrodes to be used without degrading the performance as a solar cell.
  • Another object of the present invention is to provide a screen printing mesh member and a screen printing plate that can reduce the manufacturing cost.
  • the mesh member for screen printing of the present invention that has achieved the above object is a mesh member for screen printing used when forming finger electrodes and bus bar electrodes that serve as surface electrodes of solar cells by screen printing.
  • the mesh member is formed by etching holes in a rolled metal foil.
  • individual holes formed in a horizontally long shape are arranged in a direction perpendicular to the horizontally long direction of the hole.
  • the length in the horizontal direction is larger than the width of the planned print pattern portion, and its end extends to the outside of the planned print pattern portion.
  • the opening area ratio in the finger electrode corresponding part is larger than the opening area ratio in the bus bar electrode corresponding part. And wherein the hearing.
  • the opening area ratio of the finger electrode corresponding portion is preferably 65 to 85%, and the opening area ratio of the bus bar electrode corresponding portion is preferably 25 to 70%.
  • the ratio of the opening area ratio of the bus bar electrode corresponding portion to the opening area ratio of the finger electrode corresponding portion is preferably 0.30 to 0.80.
  • the screen printing plate provided with the mesh member for screen printing as described above, in the screen printing used for printing the surface electrode of the solar cell, the usage amount of the silver paste for the surface electrode to be used without degrading the performance as the solar cell. As well as promoting effective utilization of precious metal resources, manufacturing costs can be reduced.
  • the width of the printed pattern of the finger electrode corresponding portion is preferably 35 to 75 ⁇ m.
  • the mesh member of the present invention it was assumed that the rolled metal foil was perforated by etching, and the relationship between the opening area ratios in the finger electrode corresponding part and the bus bar electrode corresponding part was defined.
  • a screen printing mesh member that can reduce the amount of paste used without degrading performance, and a screen printing plate that includes such a screen printing mesh member can be realized.
  • FIGS. 1A and 1B are photographs, which substitute for a drawing, showing a configuration example of surface electrodes (bus bar electrodes and finger electrodes) of a solar battery cell.
  • FIG.1 (b) is an enlarged view of the principal part A in Fig.1 (a).
  • FIG. 2 is a schematic explanatory diagram illustrating a configuration example of a screen printing plate used for screen printing.
  • 3A and 3B are partially enlarged explanatory views of a general-purpose printing plate used for screen printing.
  • FIG. 4 is an explanatory view schematically showing a state when screen printing is performed using a fine wire mesh member or a rolled metal foil mesh member.
  • FIGS. 5A to 5B are schematic explanatory views showing a configuration example of a printing plate in which a printed pattern of finger electrode corresponding portions and bus bar electrode corresponding portions is formed by a rolled metal foil mesh member.
  • FIG.5 (b) is an enlarged view of the principal part B in Fig.5 (a).
  • FIGS. 6A and 6B are explanatory views schematically showing a state where a tab is attached to the bus bar electrode and connected to the back electrode of the adjacent solar battery cell.
  • FIG. 6B is an enlarged view of a main part C in FIG.
  • FIGS. 7A to 7B are schematic explanatory views showing examples of hole shapes formed in the finger electrode corresponding portions.
  • FIGS. 8A to 8D are schematic explanatory views showing examples of hole shapes formed in the bus bar electrode corresponding part.
  • FIGS. 9A and 9B are diagrams (corresponding explanatory diagrams of FIGS. 7A and 7B) for explaining the aperture area ratio.
  • FIG. 10 is a graph showing the relationship between the aperture ratio (open area ratio) and the paste weight.
  • the present inventors examined from various angles in order to achieve the above object.
  • the opening area ratio of the finger electrode corresponding part in the mesh member is made larger than the opening area ratio of the bus bar electrode corresponding part, that is, while increasing the permeation amount of the silver paste and printing the finger electrode thinly and thickly, and the bus bar electrode
  • the inventors have found that the amount of paste used can be reduced without degrading the performance as a solar cell by controlling the silver paste permeation amount from the corresponding part so as not to be higher than necessary, and the present invention has been completed.
  • the finger electrode corresponding part is formed so that the opening area ratio is larger than the opening area ratio of the bus bar electrode part.
  • the etching pattern can be freely set, so that the opening area ratio can be changed between the finger electrode corresponding part and the bus bar electrode corresponding part.
  • the opening area ratio cannot be partially changed in the thin wire mesh member, and the rolled metal foil mesh member is used to change the opening area ratio between the finger electrode corresponding portion and the bus bar electrode corresponding portion.
  • any material that can be formed into a foil shape such as a titanium alloy, a nickel alloy, and a copper alloy in addition to stainless steel may be used.
  • SUS304H is used for stainless steel
  • JISH4600 80 is used for a titanium alloy.
  • JISCS2520 (1986) NCHRW1 or the like is used for a nickel alloy
  • JIS3130 C1720R-H or the like is used.
  • the thickness of the mesh member is not particularly limited, but is preferably 5 ⁇ m or more and 30 ⁇ m or less. From the viewpoint of strength, it is more preferably 10 ⁇ m or more.
  • the finger electrode corresponding portion means a mesh member portion corresponding to a portion to be a finger electrode after screen printing
  • the bus bar electrode corresponding portion is a mesh member portion corresponding to a portion to be a bus bar electrode after screen printing.
  • the print pattern scheduled portion means a mesh member portion corresponding to a portion where a print pattern is set at the stage of screen printing, and this portion may be referred to as a “print pattern portion” for convenience of explanation.
  • each hole formed in a horizontally long shape in the finger electrode corresponding portion is arranged in a direction perpendicular to the horizontally long direction of the hole, and the length in the horizontally long direction is set.
  • FIGS. 7A to 7B Such hole shapes (opening shapes) are shown in FIGS. 7A to 7B [FIG. 7A shows a substantially rectangular shape, and FIG. 7B shows an elliptical shape].
  • compatible part should just satisfy said requirements, and is not limited to the substantially rectangular shape or ellipse shape shown in figure.
  • the width of the line portion can be used only with the width of the thin printed pattern portion of 75 ⁇ m or less.
  • the width of the printed pattern portion of the finger electrode corresponding portion is 35 ⁇ m or less, the discharge of the paste is suppressed, and as a result, the disconnection of the electrode becomes a practical problem. Therefore, the width of the printed pattern portion of the finger electrode corresponding portion is 35 It is preferable that the thickness be ⁇ 75 ⁇ m. More preferably, it is 40 ⁇ m or more and 70 ⁇ m or less.
  • a plurality of holes having the same shape are arranged side by side in the vertical direction and the horizontal direction.
  • the hole shape at this time may be a square, a rectangle, a hexagon or a circle generally used in mesh members, but is not limited thereto. Examples of such hole shapes (opening shape) are shown in FIGS. FIGS. 8A to 8D show the above-mentioned square, rectangle, hexagon and circle, which are typical hole shapes, respectively.
  • the mesh member having the hole shape as described above in the bus bar electrode corresponding portion is satisfactory in strength, even if the opening area ratio is 25 to 70% (more preferably 30 to 65%), Even if the width of the bus bar electrode is about 1000 to 2000 ⁇ m, it can be used without any inconvenience.
  • the opening area ratio at the bus bar electrode corresponding portion is larger than 70%, the mesh member is easily broken during printing. If the opening area ratio is smaller than 25%, the printed bus bar electrode will be blurred, and the connection with the finger electrode will become unstable and the soldering of the tab will also be defective.
  • the opening area ratio is, for example, as shown in FIGS. 9A to 9B (FIGS. 7A to 7B corresponding explanatory views), a region in which holes (openings) are formed, and other regions. Is defined with reference to the end of the hole as a reference, and means the area ratio (area ratio in plan view:%) of the hole (opening) in the region surrounded by the dotted line.
  • 9A to 9B show the case of the opening area ratio at the finger electrode corresponding portion (indicated by “finger electrode portion” in the figure), the opening area ratio at the busper electrode corresponding portion is shown. In the case, the same calculation is performed.
  • the opening area ratio of the finger electrode corresponding part can be larger than the opening area ratio of the bus bar electrode corresponding part, but the ratio of the opening area ratio of the bus bar electrode part to the opening area ratio of the finger electrode corresponding part (“Bus bar / finger”, hereinafter simply referred to as “aperture ratio”) is preferably 0.30 to 0.80.
  • this aperture ratio is smaller than 0.30, the amount of silver paste becomes too small during screen printing, and printing blur tends to occur.
  • the aperture ratio is larger than 0.80, it is difficult to obtain the effect of reducing the amount of silver paste.
  • the aperture ratio is more preferably 0.40 or more, and more preferably 0.70 or less.
  • a stainless steel rolled foil manufactured by Nippon Metal Co., Ltd., SUS301
  • a thickness of 25 ⁇ m was used as the rolled metal foil for the mesh member.
  • a resist is applied to the rolled metal foil, the holes are arranged so that the hole shape and the opening area ratio are changed in the finger electrode corresponding part and the bus bar electrode corresponding part, and after exposure using a glass mask on which a printed pattern is drawn, development is performed. . Thereafter, the rolled metal foil was melted by etching to form a mesh member having holes formed in the rolled metal foil.
  • the shape of the hole of the mesh member was a substantially rectangular shape with rounded corners at the finger electrode corresponding parts (see FIG. 7A), and the bus bar electrode corresponding parts were rounded at the corners.
  • the distance (pitch) between the holes was 100 ⁇ m for both the finger electrode corresponding part and the bus bar electrode corresponding part.
  • a plurality of mesh members (rolled metal foil mesh members) were produced in which the opening area ratio of the finger electrode corresponding part and the opening area ratio of the bus bar electrode corresponding part were independently changed.
  • the size of the hole in the finger electrode corresponding part (the length of the long side of the substantially rectangular shape shown in FIG. 7A) is larger than the print pattern width (Tables 1 and 2 below) in the finger electrode corresponding part. It was set in the range of 75 to 350 ⁇ m so as to increase.
  • the average opening area ratio was defined as the opening area ratio.
  • the measurement of the opening area ratio is performed at five locations so as to be uniform in any region (finger electrode corresponding portion and bus bar electrode corresponding portion) (for example, at the finger electrode corresponding portion, four locations at the center and four corners). ) was measured and averaged in the same manner as described above.
  • a combination mask with a resin mesh attached to the periphery of the mesh member was applied, and after applying the photosensitive emulsion, a printing pattern portion was formed on the finger electrode corresponding portion and the bus bar electrode corresponding portion to prepare a printing plate. Screen printing was performed using these printing plates, and the weight of the printed paste was measured.
  • a silver paste for a surface electrode of a solar cell (product name: DD-1200M-200, manufactured by Kyoto Elex Co., Ltd.) was used.
  • a screen printing device (model SSA-PC250) manufactured by Tokai Seiki Co., Ltd. is used.
  • the printing conditions are a printing pressure of 10 kgf, a clearance of 1 mm, a printing speed of 200 mm / sec, and a polycrystalline wafer for solar cells (external dimensions 156 ⁇ 156 mm). ).
  • the weight of the solar cell wafer was measured with an electronic balance (manufactured by Kensei Kogyo Co., Ltd., model HR-120), and the weight of the printed paste was determined.
  • the width of the printed pattern portion of the finger electrode corresponding portion and the bus bar electrode corresponding portion on the printing plate was measured with a microscope (manufactured by Keyence Corporation, model VHX-2000).
  • the opening area ratio at the finger electrode corresponding portion was set in the range of 66 to 84% so as to be as large as possible.
  • the width of the printed pattern portion of the finger electrode corresponding portion was set to 30 to 71 ⁇ m.
  • the number of finger electrodes was set to 72 to 100, which is a range normally used in solar cells.
  • the opening area ratio in the bus bar electrode corresponding part was set to 20% or more and 72% or less from the viewpoint of making it as small as possible.
  • the width of the printed pattern portion in the bus bar electrode corresponding portion is set to 1700 to 1800 ⁇ m per one when the number of bus bar electrodes is two, and 1450 to 1500 ⁇ m per one when the number of bus bar electrodes is three. .
  • Tables 1 and 2 The results are shown in Tables 1 and 2 below.
  • Tables 1 and 2 below in the order of the ratio (opening ratio) of the opening area ratio of the bus bar electrode corresponding portion to the opening area ratio of the finger electrode corresponding portion, the test No. Is attached. Based on this result, the relationship between the aperture ratio and the paste weight is shown in FIG. In Table 1, the column indicated by “ ⁇ ” means that mesh breakage occurred in the bus bar electrode corresponding portion (indicated as “bus bar electrode portion” in FIG. 10).
  • the aperture ratio is from 1 to 0.80
  • the paste weight is almost constant.
  • the aperture ratio is less than 0.80
  • the paste weight is reduced, and a cost reduction effect can be expected.
  • the aperture ratio was smaller than 0.30 (Test Nos. 40 and 41)
  • print fading was observed on the bus bar electrodes.
  • Test No. 40 the opening area ratio of the bus bar electrode corresponding part is 20%.
  • the opening area ratio corresponding to the bus bar electrode is 21%, and it is difficult to avoid blurring of printing with these opening area ratios.
  • the opening area ratio of the bus bar electrode corresponding part is 70% or less.
  • each electrode finger electrode and bus bar electrode
  • each electrode was formed using a printing plate having an aperture ratio of 0.91.
  • each electrode is formed using a printing plate having an aperture ratio of 0.57.
  • the paste weights differ greatly from 232.0 mg (Test No. 42) and 190.1 mg (Test No. 43), respectively, but the conversion efficiencies are approximately the same as 16.4% and 16.5%, respectively. It can be seen that the performance as a solar cell is maintained in a state where is reduced.
  • the width and thickness of the finger electrode are substantially the same for both, and the width of the bus bar electrode is substantially the same and the thickness is greatly different. That is, the usefulness of the printing plate using the rolled metal foil mesh member that can change the hole shape and the opening area ratio between the finger electrode corresponding part and the bus bar electrode corresponding part is clearly recognized.
  • the mesh member of the present invention it was assumed that the rolled metal foil was perforated by etching, and the relationship between the opening area ratios in the finger electrode corresponding part and the bus bar electrode corresponding part was defined.
  • a screen printing mesh member that can reduce the amount of paste used without degrading performance, and a screen printing plate that includes such a screen printing mesh member can be realized.

Abstract

La présente invention concerne un élément maille pour sérigraphie qui est utilisé lorsqu'une électrode à doigt et une électrode à barre omnibus sont formées par sérigraphie. Cet élément maille est traité en réalisant des trous, dans une feuille métallique roulée, par gravure. Dans une partie associée à l'électrode à doigt, des trous individuels qui présentent chacun une forme oblongue sont alignés dans le sens orthogonal au sens oblong du trou, la longueur de leur sens oblong est plus importante que la largeur d'une partie à motif d'impression prévue, et leurs extrémités sont formées pour s'étendre jusqu'à l'extérieur de la partie à motif d'impression prévue. Le taux de superficie d'ouverture dans la partie associée à l'électrode à doigt est supérieur au taux de superficie d'ouverture dans une partie associée à l'électrode à barre omnibus.
PCT/JP2013/066785 2012-06-19 2013-06-19 Élément maille pour sérigraphie et plaque de sérigraphie WO2013191194A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020147035297A KR101717337B1 (ko) 2012-06-19 2013-06-19 스크린 인쇄용 메쉬 부재 및 스크린 인쇄판
CN201380032179.2A CN104411504B (zh) 2012-06-19 2013-06-19 丝网印刷用网眼部件以及丝网印刷版
KR1020177006459A KR101756069B1 (ko) 2012-06-19 2013-06-19 스크린 인쇄용 메쉬 부재 및 스크린 인쇄판

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012138165A JP5433051B2 (ja) 2012-06-19 2012-06-19 スクリーン印刷用メッシュ部材およびスクリーン印刷版
JP2012-138165 2012-06-19

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WO2013191194A1 true WO2013191194A1 (fr) 2013-12-27

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PCT/JP2013/066785 WO2013191194A1 (fr) 2012-06-19 2013-06-19 Élément maille pour sérigraphie et plaque de sérigraphie

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JP (1) JP5433051B2 (fr)
KR (2) KR101756069B1 (fr)
CN (1) CN104411504B (fr)
TW (1) TWI549833B (fr)
WO (1) WO2013191194A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020016624A1 (fr) * 2018-07-16 2020-01-23 Saati S.P.A. Écran métallique asymétrique pour sérigraphie à ligne fine et écran pour imprimer des lignes fines comprenant ledit écran métallique
CN115431628A (zh) * 2021-06-03 2022-12-06 仓和精密制造(苏州)有限公司 无网结网版制作方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106335299A (zh) * 2015-07-14 2017-01-18 正中科技股份有限公司 太阳能电池正银电极可设计型印刷钢版结构
JP2017222079A (ja) * 2016-06-15 2017-12-21 株式会社コベルコ科研 スクリーン印刷用の金属箔およびそれを備えるスクリーン印刷版
KR20180046809A (ko) * 2016-10-28 2018-05-09 삼성에스디아이 주식회사 태양전지용 핑거 전극의 제조방법
KR20180046810A (ko) * 2016-10-28 2018-05-09 삼성에스디아이 주식회사 태양전지용 핑거 전극 및 이의 제조방법
KR20180063750A (ko) * 2016-12-02 2018-06-12 삼성에스디아이 주식회사 태양전지용 핑거 전극의 제조방법
TWI609236B (zh) * 2017-01-20 2017-12-21 維銘有限公司 網版及其製作方法
KR20180090669A (ko) * 2017-02-03 2018-08-13 삼성에스디아이 주식회사 태양전지용 핑거 전극의 제조방법 및 이에 의해 제조된 태양전지용 핑거 전극
JP2018154028A (ja) * 2017-03-17 2018-10-04 株式会社コベルコ科研 ラインパターン印刷方法及びラインパターン印刷用スクリーン版
KR101893306B1 (ko) * 2017-09-13 2018-08-29 김상진 솔라셀의 표면전극 형성을 위한 금속박판 스크린제판 및 그 제조방법
KR20190118036A (ko) * 2018-04-09 2019-10-17 삼성에스디아이 주식회사 태양전지용 핑거 전극의 제조방법 및 이에 의해 제조된 태양전지용 핑거 전극
CN109016807B (zh) * 2018-07-24 2023-12-01 浙江爱旭太阳能科技有限公司 用于正电极镂空成型的晶硅太阳能电池网版

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006341547A (ja) * 2005-06-10 2006-12-21 Sharp Corp 印刷用マスク、スクリーン印刷方法および光電変換素子の製造方法ならびに光電変換素子
JP2009272405A (ja) * 2008-05-02 2009-11-19 Mitsubishi Electric Corp 太陽電池素子およびその製造方法
JP2012054517A (ja) * 2010-09-03 2012-03-15 Noritake Co Ltd 太陽電池の製造方法と該方法に用いられる電極形成用ペースト材料

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8703107D0 (en) * 1987-02-11 1987-03-18 Era Patents Ltd Screen for printing electrical circuits
JP4859414B2 (ja) 2005-08-30 2012-01-25 京セラ株式会社 スクリーン印刷方法及び太陽電池素子
JP2008135654A (ja) * 2006-11-29 2008-06-12 Sanyo Electric Co Ltd 太陽電池モジュール
JP5172480B2 (ja) * 2008-06-04 2013-03-27 シャープ株式会社 光電変換装置およびその製造方法
JP2011156673A (ja) * 2010-01-29 2011-08-18 Riso Kagaku Corp 印刷装置
JP5547672B2 (ja) 2010-02-26 2014-07-16 株式会社コベルコ科研 スクリーン印刷用メッシュ部材
JP5288633B2 (ja) * 2010-03-24 2013-09-11 パナソニック株式会社 太陽電池の電極形成システムおよび太陽電池の電極形成方法
CN201859886U (zh) * 2010-05-13 2011-06-08 无锡尚德太阳能电力有限公司 太阳电池、网版及其太阳电池组件
JP5325839B2 (ja) * 2010-06-16 2013-10-23 株式会社コベルコ科研 スクリーン印刷用メッシュ部材
JP5584530B2 (ja) * 2010-06-29 2014-09-03 株式会社コベルコ科研 スクリーン印刷用メッシュ部材

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006341547A (ja) * 2005-06-10 2006-12-21 Sharp Corp 印刷用マスク、スクリーン印刷方法および光電変換素子の製造方法ならびに光電変換素子
JP2009272405A (ja) * 2008-05-02 2009-11-19 Mitsubishi Electric Corp 太陽電池素子およびその製造方法
JP2012054517A (ja) * 2010-09-03 2012-03-15 Noritake Co Ltd 太陽電池の製造方法と該方法に用いられる電極形成用ペースト材料

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020016624A1 (fr) * 2018-07-16 2020-01-23 Saati S.P.A. Écran métallique asymétrique pour sérigraphie à ligne fine et écran pour imprimer des lignes fines comprenant ledit écran métallique
CN115431628A (zh) * 2021-06-03 2022-12-06 仓和精密制造(苏州)有限公司 无网结网版制作方法
CN115431628B (zh) * 2021-06-03 2024-04-30 仓和精密制造(苏州)有限公司 无网结网版制作方法

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KR20150011833A (ko) 2015-02-02
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