CN103769751A - Application of CO2 (carbon dioxide) laser cutting machine and manufacturing process of solar panel - Google Patents

Application of CO2 (carbon dioxide) laser cutting machine and manufacturing process of solar panel Download PDF

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Publication number
CN103769751A
CN103769751A CN201410032340.2A CN201410032340A CN103769751A CN 103769751 A CN103769751 A CN 103769751A CN 201410032340 A CN201410032340 A CN 201410032340A CN 103769751 A CN103769751 A CN 103769751A
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CN
China
Prior art keywords
solar panels
laser
cutting
cutting machine
laser beam
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Pending
Application number
CN201410032340.2A
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Chinese (zh)
Inventor
陈文良
莫凤兵
张辉
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WINCHANCE TECHNOLOGY Co Ltd
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WINCHANCE TECHNOLOGY Co Ltd
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Publication date
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Priority to CN201410032340.2A priority Critical patent/CN103769751A/en
Publication of CN103769751A publication Critical patent/CN103769751A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/40—Removing material taking account of the properties of the material involved
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
    • H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention relates to application of a CO2 (carbon dioxide) laser cutting machine to a cutting work procedure in the solar panel preparing process. The cutting procedure comprises the following steps that CO2 laser beams are generated through the CO2 laser cutting machine, in addition, the CO2 laser beams are focused on the surface of the solar panel through a focusing lens so that materials on the surface of the solar panel can be molten, meanwhile, the molten materials are blown away through cutting gas coaxial with the CO2 laser beams, and in addition, the CO2 laser beams and the solar panel do relative movement along a certain track, so a cutting seam in a certain shape is formed. The invention also discloses a manufacturing process of the solar panel adopting the CO2 laser cutting machine for cutting. The CO2 laser cutting machine is applied to the cutting processing of the solar panel. Compared with the existing manual mechanical cutting mode, the cutting mode adopted in the invention has the advantages that the non-mechanical-contact processing can be completely realized in the whole process, any mechanical extrusion or mechanical stress cannot be generated on the solar panel, the solar panel cannot be damaged, the processing quality is good, and the processing efficiency is high.

Description

CO 2the application of laser cutting machine and the manufacture craft of solar panels
Technical field
The present invention relates to CO 2the new purposes of one of laser cutting machine, refers in particular to a kind of CO 2the application of laser cutting machine in solar panels are produced.
Background technology
Solar panels are to be assembled in an assembly on plate by several solar battery sheets by certain way.Because can not directly doing power supply, single solar cell uses, make power supply and some cell series and parallels must be connected and be tightly packaged into assembly, thereby solar panels are in process of production, often need by cutting, by monomer solar panels homalographic cut into several solar battery sheets.
The cutting effect of solar energy electroplax will directly have influence on the electric property of solar cell.But domestic producer still mainly takes pure manual work at present, by adopting tool mechanical contact processing, solar panels after lamination are drawn plate, cut the operation such as glue and chamfering, this cutting mode production efficiency is low, product fraction defective is high and it is very high that operating personnel's skill is required, thereby on market, needs in a hurry a kind of brand-new cutting mode.
Chinese invention patent (application number: 201110191002.X, publication number: CN102867882A) disclose a kind of technical scheme of utilizing laser to cut solar panels, but through the applicant's test and debugging, only adopt laser to carry out the cutting of solar panels, quite be not easy to realize automation control, and tend to cannot precisely control and cause solar panels to burn out because of the intensity of cutting.
Summary of the invention
The invention provides a kind of CO 2the application of laser cutting machine and the manufacture craft of solar panels, its main purpose is the high defect of product fraction defective that above two kinds of cutting modes exist.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of CO 2the application of laser cutting machine, above-mentioned CO 2laser cutting machine is applied to the cutting action of preparing in solar panels process.
Further, above-mentioned cutting action comprises: pass through CO 2laser cutting machine produces CO 2laser beam, and use focus lamp by CO 2laser beam focuses on solar panels surface and makes its surperficial material fusing, uses and this CO simultaneously 2the coaxial cutting gas of laser beam blows away the material being melted, and makes described CO 2laser beam and solar panels do relative motion along certain track, thereby form the joint-cutting of definite shape.
Further, above-mentioned CO 2the application of laser cutting machine also comprises the above-mentioned CO of use 2laser cutting machine carries out Ear Mucosa Treated by He Ne Laser Irradiation operation to solar panels, and this Ear Mucosa Treated by He Ne Laser Irradiation operation is carried out after completing cutting action.
Further, above-mentioned CO 2the application of laser cutting machine also comprises the above-mentioned CO of use 2laser cutting machine carries out Ear Mucosa Treated by He Ne Laser Irradiation operation to solar panels, and this Ear Mucosa Treated by He Ne Laser Irradiation operation and described cutting action carry out simultaneously.
Further, above-mentioned CO 2the CO of laser cutting machine 2on the conducting path of laser beam, be provided with guard shield.
A manufacture craft for solar panels, comprises lamination operation and the cutting action that solar panels after lamination are cut, and described cutting action adopts CO 2laser cutting machine cuts.
Further, above-mentioned cutting action comprises: pass through CO 2laser cutting machine produces CO 2laser beam, and use focus lamp by CO 2laser beam focuses on solar panels surface and makes its surperficial material fusing, uses and this CO simultaneously 2the coaxial cutting gas of laser beam blows away the material being melted, and makes described CO 2laser beam and solar panels do relative motion along certain track, thereby form the joint-cutting of definite shape.
Further, the manufacture craft of above-mentioned solar panels also comprises the above-mentioned CO of use 2laser cutting machine carries out Ear Mucosa Treated by He Ne Laser Irradiation operation to solar panels, and this Ear Mucosa Treated by He Ne Laser Irradiation operation and described cutting action carry out simultaneously.
Further, above-mentioned CO 2the CO of laser cutting machine 2on the conducting path of laser beam, be provided with guard shield.
Further, the manufacture craft of above-mentioned solar panels also comprises the circulation loading and unloading operation of simultaneously carrying out with described cutting action, in this circulation loading and unloading operation, after solar panels have cut, while carrying out next solar panels cutting, can be by the solar panels blanking of having cut, and by uncut solar panels material loading.
Compared to the prior art the beneficial effect that, the present invention produces is:
1, the present invention passes through CO 2laser cutting machine is applied to the cutting processing of solar panels, with respect to the mode of existing artificial mechanism cutting, the whole process of the present invention can realize on-mechanical contact processing completely, solar panels are not produced to any mechanical presses or mechanical stress, do not damage solar panels, crudy is good, and working (machining) efficiency is high.With respect to other common laser cutting machines, the applicant, by test of many times, chances on CO 2laser cutting machine is better for the cutting effect of cloth and wood chip, and be converted to cutting solar panels, the laser intensity of its generation and cutting dynamics are just consistent with the characteristic of solar panels itself, and then the situation that can avoid to a great extent solar panels to burn out.
2, in the present invention, use CO 2laser beam also cuts and blows away with cutting gas the material being melted simultaneously solar panels, guarantees that like this material being melted can be got rid of in time, is conducive to like this improve cutting effect, and then keeps the uniformity of product electrical property.
3, the applicant is passing through CO 2in the process that laser beam cuts solar panels, also chance on, use CO 2laser beam irradiates the brilliant picture in the inside that can make on solar panels to solar panels and trends towards consistent, can improve like this absorbing properties, photoelectric conversion performance and the electric current output performance of solar panels, be conducive to improve the job stability of solar panels, and then extend the service life of solar panels.
4, in the present invention, CO 2the operation that laser beam irradiates solar panels can be to carry out after completing cutting action, can be also to carry out with cutting action simultaneously, can certainly be in cutting process, to be accompanied by produce to irradiate, because pass through CO 2laser beam can be subject to CO around to cutting position in solar panels process 2the irradiation of laser beam remaining light, so only need to just can realize cutting action and irradiation process by an action simultaneously, thereby can save widely labout process, has improved production efficiency.
Accompanying drawing explanation
Fig. 1 is above-mentioned CO in the present invention 2the structural representation of laser cutting machine.
Fig. 2 is CO in the present invention 2the structural representation of the mould of laser cutting machine below.
Fig. 3 is the schematic diagram under another state of Fig. 2, and wherein solar panels are placed on mould.
The specific embodiment
The specific embodiment of the present invention is described with reference to the accompanying drawings.
Although the present invention relates to CO 2the application of laser cutting machine and the manufacture craft of solar panels, but by introducing in detail CO 2the product structure of laser cutting machine is conducive to understand and realize technical scheme of the present invention, therefore the following CO that first describes in detail 2the product structure of laser cutting machine.
With reference to Fig. 1.A kind of CO 2 laser cutting machine 1, this CO 2 laser cutting machine 1 comprises frame 10, can be installed in movably forward and backward guide rail 11 in frame 10, can movably be installed in the laser beam emitting head 13 on this guide rail 11 and drive the drive unit (not shown) of this laser beam emitting head 13 in guide rail 11 enterprising line slips, is provided with the mould 3 for fixed solar plate 4 under described laser beam emitting head 13.For fear of occurring that hand is by the risk of laser burn, on described laser beam emitting head 13, be provided with guard shield.Described CO 2 laser cutting machine 1 also comprises gas blow pipe 14, the air inlet of this gas blow pipe 14 is connected in an air generator (not shown), the direction of above-mentioned mould 3 is aimed in gas outlet, air generator described in the present embodiment is an air pump, and described gas blow pipe 14 lashes abreast on laser beam emitting head 13.
With reference to Fig. 2 and Fig. 3.Mould 3 comprises mould table top, described mould table top is made up of a plurality of loading areas 31, each loading area 31 is fixed solar panels 4 accordingly, in each loading area, 31 corresponding hollow outs have a plurality of for dodging the hole 32 at outstanding position on solar panels 4, certainly, grooving also can be replaced in hole 32.In the present embodiment, loading area 31 is provided with five altogether, and the hole 32 on each loading area 31 is uniformly-spaced to be arranged, and with the solar energy piece 40 one by one corresponding setting of above-mentioned solar panels 4 after homalographic cutting.Each hole 32 correspondences are arranged at the center of the solar energy piece 40 corresponding with it.32 belows, hole are communicated with vacuum generating device, by starting vacuum generating device, solar panels 4 can be adsorbed in above mould 3 securely.For the ease of assembling, each loading area 31 be provided with solar panels 4 on the suitable locating dowel of locating hole, and described locating dowel is located at the end position on each loading area 31 diagonal.
In the present invention, the manufacture craft of solar panels, comprises lamination operation and the cutting action that solar panels after lamination are cut, and described cutting action adopts CO 2 laser cutting machine 1 cuts.With reference to Fig. 1, Fig. 2 and Fig. 3.Above-mentioned CO 2the course of work of laser cutting machine 1 is as follows:
Pass through CO 2 laser cutting machine 1 produces CO 2laser beam, and use focus lamp by CO 2laser beam focuses on solar panels 4 surfaces and makes its surperficial material fusing, uses and this CO simultaneously 2the coaxial cutting gas of laser beam blows away the material being melted, and makes described CO 2laser beam and solar panels 4 do relative motion along certain track, thereby form the joint-cutting of definite shape, and wherein above-mentioned cutting gas is blown out by gas blow pipe 14, CO 2laser beam is penetrated by laser beam emitting head 13.At CO 2in laser beam cutting process, be accompanied by produce and irradiate, because pass through CO 2laser beam is in solar panels process, and solar panels cutting position can be subject to CO around 2the irradiation of laser beam remaining light, the applicant chances on, and uses CO 2laser beam irradiates the brilliant picture in the inside that can make on solar panels to solar panels and trends towards consistent, can improve like this absorbing properties, photoelectric conversion performance and the electric current output performance of solar panels, be conducive to improve the job stability of solar panels, and then extend the service life of solar panels.
In the present invention, the manufacture craft of solar panels also comprises the circulation loading and unloading operation of simultaneously carrying out with described cutting action, in this circulation loading and unloading operation, after solar panels have cut, while carrying out next solar panels cutting, can be by the solar panels blanking of having cut, and by uncut solar panels material loading.Circulation loading and unloading operation can be passed through manual type, and because loading area 31 is provided with five altogether, thereby a set of grinding tool can turn simultaneously and join five solar panels, and CO 2 laser cutting machine 1 only needs solar panels, thereby just gives the time of staff's abundance by the solar panels blanking of having cut, and by uncut solar panels material loading, simple to operation like this and easily realization.
By by CO 2laser cutting machine is applied to the cutting processing of solar panels, the mode of corresponding artificial mechanism cutting, and the present embodiment has advantages of shown in following form 1.
　 Artificial handwork CO2 cutting equipment
The product that four angles of product design are right angle Draw plate, cut glue, breaking board, this four procedure of chamfering, completed 1000PCS/11 hour by 1 people Draw plate, cut glue, breaking board, this four procedure of chamfering, completed 30000PCS/11 hour by 1 people
The product that four angles of product design are fillet Draw plate, cut glue, breaking board, this four procedure of chamfering, completed 500PCS/11 hour by 1 people Draw plate, cut glue, breaking board, this four procedure of chamfering, completed 15000PCS/11 hour by 1 people
Special-shaped product (as non-square products such as circles) Do not produce Can normally produce
Fraction defective 0.5%~1.5% 0~0.5%
To employee's proficiency High Low
New hand employee's fraction defective Very high Low
New hand employee skilled period 30 days 1 day
Form 1
In addition, in the present embodiment, use CO 2the operation that laser beam irradiates solar panels is not limited in cutting process, to be accompanied by produce irradiates, and can be also to carry out after completing cutting action, can certainly be to carry out with cutting action simultaneously.
In addition, the present invention relates to CO 2the work engineering of the theme of the theme of the new purposes of laser cutting machine and the manufacture craft of solar panels between the two is identical, and distinctive points is only to protect the emphasis difference of theme, thereby no longer repeated description relates to CO 2this cover technical scheme of the application of laser cutting machine.Those of ordinary skill in the art is easy to from the content of the present embodiment, draw or summarize, therefore relate to CO 2the claim of the application of laser cutting machine can obtain the support of the present embodiment.
Above are only the specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection domain of the present invention.

Claims (10)

1. a CO 2the application of laser cutting machine, is characterized in that: above-mentioned CO 2laser cutting machine is applied to the cutting action of preparing in solar panels process.
2. a kind of CO as claimed in claim 1 2the application of laser cutting machine, is characterized in that, above-mentioned cutting action comprises: pass through CO 2laser cutting machine produces CO 2laser beam, and use focus lamp by CO 2laser beam focuses on solar panels surface and makes its surperficial material fusing, uses and this CO simultaneously 2the coaxial cutting gas of laser beam blows away the material being melted, and makes described CO 2laser beam and solar panels do relative motion along certain track, thereby form the joint-cutting of definite shape.
3. a kind of CO as claimed in claim 2 2the application of laser cutting machine, is characterized in that: also comprise and use above-mentioned CO 2laser cutting machine carries out Ear Mucosa Treated by He Ne Laser Irradiation operation to solar panels, and this Ear Mucosa Treated by He Ne Laser Irradiation operation is carried out after completing cutting action.
4. a kind of CO as claimed in claim 2 2the application of laser cutting machine, is characterized in that: also comprise and use above-mentioned CO 2laser cutting machine carries out Ear Mucosa Treated by He Ne Laser Irradiation operation to solar panels, and this Ear Mucosa Treated by He Ne Laser Irradiation operation and described cutting action carry out simultaneously.
5. a kind of CO as claimed in claim 2 2the application of laser cutting machine, is characterized in that: above-mentioned CO 2the CO of laser cutting machine 2on the conducting path of laser beam, be provided with guard shield.
6. a manufacture craft for solar panels, comprises lamination operation and the cutting action that solar panels after lamination are cut, and it is characterized in that: described cutting action adopts CO 2laser cutting machine cuts.
7. a kind of manufacture craft of solar panels as claimed in claim 6, is characterized in that, above-mentioned cutting action comprises: pass through CO 2laser cutting machine produces CO 2laser beam, and use focus lamp by CO 2laser beam focuses on solar panels surface and makes its surperficial material fusing, uses and this CO simultaneously 2the coaxial cutting gas of laser beam blows away the material being melted, and makes described CO 2laser beam and solar panels do relative motion along certain track, thereby form the joint-cutting of definite shape.
8. a kind of manufacture craft of solar panels as claimed in claim 7, is characterized in that: also comprise and use above-mentioned CO 2laser cutting machine carries out Ear Mucosa Treated by He Ne Laser Irradiation operation to solar panels, and this Ear Mucosa Treated by He Ne Laser Irradiation operation and described cutting action carry out simultaneously.
9. a kind of manufacture craft of solar panels as claimed in claim 7, is characterized in that: above-mentioned CO 2the CO of laser cutting machine 2on the conducting path of laser beam, be provided with guard shield.
10. a kind of manufacture craft of solar panels as described in any one in claim 6-9, it is characterized in that: also comprise the circulation loading and unloading operation of simultaneously carrying out with described cutting action, in this circulation loading and unloading operation, after solar panels have cut, while carrying out next solar panels cutting, can be by the solar panels blanking of having cut, and by uncut solar panels material loading.
CN201410032340.2A 2014-01-24 2014-01-24 Application of CO2 (carbon dioxide) laser cutting machine and manufacturing process of solar panel Pending CN103769751A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410032340.2A CN103769751A (en) 2014-01-24 2014-01-24 Application of CO2 (carbon dioxide) laser cutting machine and manufacturing process of solar panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410032340.2A CN103769751A (en) 2014-01-24 2014-01-24 Application of CO2 (carbon dioxide) laser cutting machine and manufacturing process of solar panel

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CN103769751A true CN103769751A (en) 2014-05-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109317829A (en) * 2018-10-29 2019-02-12 甘肃酒钢集团宏兴钢铁股份有限公司 A kind of processing method of detachable intensity magnetic separator cartridge orifice plate
CN111633350A (en) * 2020-06-02 2020-09-08 成都宏明双新科技股份有限公司 Laser cutting process for bracket product
CN111761664A (en) * 2020-06-02 2020-10-13 浙江西点家居有限公司 Manufacturing process of mildew-proof and corrosion-proof AP waterproof board

Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2002134409A (en) * 2000-10-24 2002-05-10 Canon Inc Method for forming silicon-based semiconductor and photovoltaic element
CN101483206A (en) * 2009-01-20 2009-07-15 上海雷洛森能源科技有限公司 Processing method for enhancing solar cell working stability and apparatus thereof
US20130139871A1 (en) * 2010-09-29 2013-06-06 Kyocera Corporation Solar cell module and method of manufacturing solar cell module
CN203071105U (en) * 2012-12-10 2013-07-17 厦门冠宇科技有限公司 Flexible crystalline silicon solar panel
CN103430328A (en) * 2011-03-18 2013-12-04 应用材料公司 Process for forming flexible substrates using punch press type techniques

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002134409A (en) * 2000-10-24 2002-05-10 Canon Inc Method for forming silicon-based semiconductor and photovoltaic element
CN101483206A (en) * 2009-01-20 2009-07-15 上海雷洛森能源科技有限公司 Processing method for enhancing solar cell working stability and apparatus thereof
US20130139871A1 (en) * 2010-09-29 2013-06-06 Kyocera Corporation Solar cell module and method of manufacturing solar cell module
CN103430328A (en) * 2011-03-18 2013-12-04 应用材料公司 Process for forming flexible substrates using punch press type techniques
CN203071105U (en) * 2012-12-10 2013-07-17 厦门冠宇科技有限公司 Flexible crystalline silicon solar panel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109317829A (en) * 2018-10-29 2019-02-12 甘肃酒钢集团宏兴钢铁股份有限公司 A kind of processing method of detachable intensity magnetic separator cartridge orifice plate
CN109317829B (en) * 2018-10-29 2020-12-11 甘肃酒钢集团宏兴钢铁股份有限公司 Processing method of detachable strong magnetic separator medium box pore plate
CN111633350A (en) * 2020-06-02 2020-09-08 成都宏明双新科技股份有限公司 Laser cutting process for bracket product
CN111761664A (en) * 2020-06-02 2020-10-13 浙江西点家居有限公司 Manufacturing process of mildew-proof and corrosion-proof AP waterproof board

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Application publication date: 20140507