WO2012164233A2 - Machine et procédé de sérigraphie - Google Patents

Machine et procédé de sérigraphie Download PDF

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Publication number
WO2012164233A2
WO2012164233A2 PCT/GB2011/000535 GB2011000535W WO2012164233A2 WO 2012164233 A2 WO2012164233 A2 WO 2012164233A2 GB 2011000535 W GB2011000535 W GB 2011000535W WO 2012164233 A2 WO2012164233 A2 WO 2012164233A2
Authority
WO
WIPO (PCT)
Prior art keywords
printing
screen printing
screen
workpiece
machine
Prior art date
Application number
PCT/GB2011/000535
Other languages
English (en)
Other versions
WO2012164233A3 (fr
Inventor
Ian Broadhurst
David GAUKROGER
Original Assignee
Dtg International Gmbh
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 Dtg International Gmbh filed Critical Dtg International Gmbh
Publication of WO2012164233A2 publication Critical patent/WO2012164233A2/fr
Publication of WO2012164233A3 publication Critical patent/WO2012164233A3/fr

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/08—Machines
    • B41F15/0881—Machines for printing on polyhedral articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0081—Devices for scanning register marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2215/00—Screen printing machines
    • B41P2215/10—Screen printing machines characterised by their constructional features
    • B41P2215/11—Registering devices
    • B41P2215/112—Registering devices with means for displacing the frame
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2215/00—Screen printing machines
    • B41P2215/50—Screen printing machines for particular purposes
    • 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
    • H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3457—Solder materials or compositions; Methods of application thereof
    • H05K3/3485—Applying solder paste, slurry or powder

Definitions

  • the present invention relates to a screen printing machine and method for printing onto workpieces, such as circuit boards or solar cell wafers, through a printing screen, often alternatively referred to as a stencil or foil.
  • the present invention provides a screen printing machine, comprising : a printing station at which workpieces are printed; an inspection station downstream of the printing station for inspecting printed workpieces; and a printing machine controller for controlling one or more operating parameters of the screen printing machine based on results obtained from inspections performed at the inspection station and/or results obtained from inspections performed at one or more other screen printing machines.
  • the present invention provides a machine control system, comprising : a plurality of screen printing machines, each comprising a printing station at which workpieces are printed, an inspection station downstream of the printing station for inspecting printed workpieces, and a printing machine controller for controlling one or more operating parameters of the screen printing machine; and a remote processing station which is in communication with the plurality of screen printing machines to receive inspection results associated with inspected workpieces as printed by the screen printing machines, and comprises a trend recognition application which provides for identification of trends from within the received inspection results.
  • the present invention provides a screen printing machine, comprising : a printing station at which workpieces are printed; an inspection station downstream of the printing station for inspecting printed workpieces; a printing machine controller for controlling operation of the screen printing machine; and storage which stores inspection results for printed workpieces.
  • the present invention provides a machine control system, comprising : a plurality of screen -printing machines, each comprising a printing station at which workpieces are printed, an inspection station downstream of the printing station for inspecting printed workpieces, and a printing machine controller for controlling operation of the screen printing machine; and a remote processing station which is in communication with the plurality of screen printing machines to receive inspection results associated with inspected workpieces as printed by the screen printing machines, and comprises storage which stores inspection results for printed workpieces.
  • the present invention provides a screen printing method, comprising the steps of: providing a screen printing machine comprising a printing station and an inspection station; printing workpieces at the printing station; inspecting printed workpieces at the inspection station; and controlling one or more operating parameters of the screen printing machine based on results obtained from inspections performed at the inspection station and/or results obtained from inspections performed at one or more other screen printing machines.
  • the present invention provides a screen printing method, comprising the steps of: providing a plurality of screen printing machines, each comprising a printing station and an inspection station; printing workpieces at the printing stations of the screen printing machines; inspecting printed workpieces at the inspection stations of the screen printing machines; providing a remote processing station which is in communication with the plurality of screen printing machines; communicating inspection results associated with inspected workpieces as printed by the screen printing machines to the processing station; identifying trends from within the communicated inspection results; and controlling one or more operating parameters of one or more of the screen printing machines in response to the identified trends.
  • the present invention provides a screen printing method, comprising the steps of: providing a screen printing machine comprising a printing station and an inspection station; printing workpieces at the printing station; inspecting printed workpieces at the inspection station; and storing inspection results for printed workpieces.
  • the present invention provides a screen printing method, comprising the steps of: providing a plurality of screen printing machines, each comprising a printing station and an inspection station ; printing workpieces at the printing stations of the screen printing machines; inspecting printed workpieces at the inspection stations of the screen printing machines; providing a remote processing station which is in communication with the plurality of screen printing machines; communicating inspection results associated with inspected workpieces as printed by the screen printing machines to the processing station; and storing inspection results for printed workpieces at the processing station.
  • the present invention provides a screen printing machine and method in which one or more of the machine parameters are controlled in real time based on results obtained from an inspection performed downstream of the printing zone of the screen printing machine, preferably by closed-loop feedback control.
  • This mode of control enables real-time optimization and robust error recognition.
  • the present invention enables trend identification, both at a component level, for example, being an artefact specific to a particular printing screen or support tooling, or at a general, machine level, being an artefact of particular kinds of printing screen, support tooling, print media and cleaning materials.
  • the downstream inspection is performed in parallel with the printing operation and within the print cycle, thereby enabling process and workpiece verification for all printed workpieces at the line beat rate, typically between 5 and 7 s for a 150 mm x 200 mm workpiece, and consequently enabling all defective workpieces to be rejected automatically, improving yield and quality without any penalty in terms of cycle time.
  • the screen printing machine and method allows for serial processing, which is suited to lower-volume operations and allows additional processes, such as dispensing and corrective actions, for example, cleaning, to be performed before the next workpiece is printed.
  • the printing station and the inspection station are fully integrated, providing a much smaller footprint than existing machine solutions and requiring only a single user interface, reducing setup and training requirements and also facilitating reporting.
  • the screen printing machine and method provides for traceability to workpiece and pad level, with pad level results and the printed workpiece image being recorded for every workpiece.
  • the present invention provides a screen printing machine and method in which one or more of the machine parameters are controlled in real time based on results obtained from inspections performed in one or more other screen printing machines, preferably by closed-loop feedback control.
  • Figure 1 schematically represents a screen printing machine in accordance with a preferred embodiment of the present invention.
  • Figure 2 illustrates the configuration of the printing machine and inspection station controllers of the printing machine of Figure 1.
  • the screen printing machine 1 comprises a printing station 3 at which workpieces W are printed, an inspection station 5 downstream of the printing station 3 for inspecting the printed workpieces W, a review/rejection station 6 at which defective workpieces W are reviewed/rejected, a conveyor assembly 7 for conveying workpieces W to and from the printing machine 1, and a printing machine controller 8 for controlling operation of the printing machine 1.
  • the printing machine 1 provides for the printing of solder paste, but many other kinds of print media could be employed, such as an adhesive or a loaded silver paste.
  • the printing station 3 comprises a workpiece support 11 on which a workpiece W is supported in the printing operation, a printing screen S which includes a pattern of printing apertures and through which print medium is printed onto a supported workpiece W, an imaging module 15 for imaging fiducials on the upper surface of the workpiece W and the lower surface of the printing screen S, an alignment mechanism 17 for aligning the printing screen S relative to the workpiece W based on the imaged locations of the fiducials on the workpiece W and the printing screen S, and a print module 19 which is operative to print deposits of print medium through the pattern of apertures in the printing screen S onto the upper surface of the workpiece W.
  • the workpiece support 11 is operative to support a workpiece W thereat, in this embodiment by raising the workpiece W from the conveyor assembly 7 to a first, imaging position to allow for imaging by the imaging module 15 and a second, printing position to allow for printing by the print module 19.
  • the imaging module 15 comprises an imaging camera 21 and a drive 23, which, when a workpiece W is supported by the workpiece support 11 at the imaging position, is operative to drive the imaging camera 21 between the supported workpiece W and the printing screen S, and acquire images of fiduciais on the upper surface of the supported workpiece W and the lower surface of the printing screen S.
  • the alignment mechanism 17 comprises a drive 25 for moving the printing screen S in X, Y and ⁇ based on the locations of the fiduciais on the workpiece W and the printing screen S, such as to align the printing screen S relative to the supported workpiece W.
  • the print module 19 comprises a printing element 31 , here in the form of a pair of squeegees, and a drive 33 which is operable to drive the printing element 31 over the printing screen S and print deposits of print medium through the pattern of apertures in the printing screen S onto a workpiece W when supported therebelow at the printing position by the workpiece support 11.
  • the printing element 31 could comprise an enclosed print head, such as the ProFlow (RT ) print head as supplied by DEK.
  • the inspection station 5 comprises a camera module 51 for acquiring and processing an image of each printed workpiece W within the line beat of the printing machine 1, and an inspection station controller 53 for controlling operation of the inspection station 5.
  • the camera module 51 comprises an imaging camera 55, here illuminated by strobe illumination, which provides for a full-width workpiece inspection, here 300 mm, and beneath which the workpieces W are transported to perform a full-area workpiece inspection of each workpiece W.
  • a full-area workpiece inspection comprises an inspection of at least 50 % of the workpiece area, preferably at least 75 % of the workpiece area, more preferably at least 90 % of the workpiece area, and still more preferably the entire workpiece area .
  • the imaging camera 55 is configured to perform a full- area workpiece inspection at workpiece transport speeds of up to 150 mm/s, with an image resolution of 15 pm and an image acquisition speed of 36000 mrnVs.
  • the inspection station controller 53 is a PC-based controller which has an API 57 for the camera module 51 and a server application 59 for communication with the printing machine controller 8, and includes RAM 61 for storing the current stitched workpiece image and inspection results, and storage 63, here a hard drive, for archiving the stitched workpiece images and inspection results for all inspected workpieces W.
  • the camera module 51 is supplied with the Gerber data, here in converted form as expected by the API 57, which allows the camera module 51 to registrate and process the stitched workpiece image to provide the required inspection results, including print medium on pad and bridging data.
  • the user is prompted to provide this data, and otherwise no inspection is performed.
  • the review/reject station 6 allows for a failed workpiece W to be rejected automatically, removing the failed workpieces W from the line without user intervention, or allows for . one or both of a failed workpiece W or the printing screen S to be reviewed prior to performing the next print operation.
  • the conveyor assembly 7 comprises a first, infeed conveyor 7a which receives workpieces W and successively delivers the same to the printing station 3, a second, print conveyor 7b which receives a workpiece W from the infeed conveyor 7a, locates the same at a print zone within the printing station 3 and, subsequent to printing, transfers the printed workpiece W downstream, and a third, inspection conveyor 7c which receives a workpiece W from the print conveyor 7b, transfers the same through and downstream of the inspection station 5 to the review/reject station 6.
  • the conveyor assembly 7 is configured simultaneously to handle up to three workpieces W at any one time by operation of the infeed, print and inspection conveyors 7a, 7b, 7c.
  • the infeed conveyor 7a is operative to receive and hold a workpiece W thereat, and transfer the workpiece W to the print conveyor 7b when there is no workpiece W on the print conveyor 7b.
  • the print conveyor 7b is operative to transfer a workpiece W to the print zone of the printing station 3, and, following printing, transfer the printed workpiece W to the inspection station 5 when there is no workpiece W at the inspection conveyor 7c.
  • the inspection conveyor 7c is operative to transfer a printed workpiece W through the inspection station 5 to the review/reject station 6.
  • the printing machine controller 8 is a PC-based controller which controls operation of the printing machine 1, and provides for control input both from an operator and also automatically by closed- loop control based on results from inspections performed by the inspection station 5 and/or results from inspections performed at other screen printing machines l 1-n , as will be described in more detail hereinbelow.
  • the printing station controller 8 has a user interface 71 by means of which operational status of the printing machine 1, including the inspection results determined by the inspection station 5, is displayed to the user and the user can provide control inputs to control operation of the printing machine 1.
  • the printing machine controller 8 has a client application 73 for communicating with the inspection station controller 53 of the inspection station 5, in this embodiment over a LAN, and also with a remote server 81, as will be described in more detail hereinbelow.
  • client/server applications 73, 59 provide a mechanism for passing requests to the API 57 of the camera module 51 and enable the supply of more manageable amounts of data therebetween.
  • client/server applications 73, 59 provide for the following tasks:
  • the printing machine controller 8 has a closed-loop control application 75 which provides for closed-loop control of the printing station 3, in particular to alignment of the printing screen S, cleaning of the printing screen S and dispensing of the print medium onto the printing screen S, based on the inspection results determined by the inspection station 5.
  • the parameters can be environmental factors, including ambient factors, such as temperature, humidity, contamination and vibration.
  • the parameters can be method parameters, including process parameters, such as cleaning frequency, print pressure, print speed, cleaning mode, print gap, print medium dispensing rate, print length and recovery actions, and process control parameters, such as continuous improvement, print deposit verification, recovery actions, and on-board SPC.
  • process parameters such as cleaning frequency, print pressure, print speed, cleaning mode, print gap, print medium dispensing rate, print length and recovery actions
  • process control parameters such as continuous improvement, print deposit verification, recovery actions, and on-board SPC.
  • the parameters can be external material parameters, including printing medium parameters, such as metallurgy, metal content, particle size, particle shape, viscosity, flux type, rheology and slump properties, workpiece parameters, such as mask material, pad finish, pad geometry, warpage, topography, thickness, registration, panelization, pad density and pad-to-edge distance, and peripheral parameters, such as temperature control unit, conveyors and flippers.
  • printing medium parameters such as metallurgy, metal content, particle size, particle shape, viscosity, flux type, rheology and slump properties
  • workpiece parameters such as mask material, pad finish, pad geometry, warpage, topography, thickness, registration, panelization, pad density and pad-to-edge distance
  • peripheral parameters such as temperature control unit, conveyors and flippers.
  • the parameters can be process hardware parameters, including print element/squeegee parameters, such as overhang, material, length, coating and angle, cleaning agent parameters, including activation, odour, evaporation, hazard, residuals/solids, storage risk, flashpoint, compatibility with print medium and toxicology, cleaning fabric parameters, such as wicking, absorbency, lint content, porosity and length, support tooling parameters, such as flatness, topography, architecture design, vacuum and type, and printing screen parameters, such as material, mounting system, aperture finish, foil size, foil thickness, registration, architecture design, wall definition and fabrication method.
  • print element/squeegee parameters such as overhang, material, length, coating and angle
  • cleaning agent parameters including activation, odour, evaporation, hazard, residuals/solids, storage risk, flashpoint, compatibility with print medium and toxicology
  • cleaning fabric parameters such as wicking, absorbency, lint content, porosity and length
  • support tooling parameters such as flatness,
  • the parameters can include machine parameters, including print head parameters, such as pressure feedback, speed feedback and compliancy, rail system parameters, such as configurability, width adjustment, robustness and flatness, calibration parameters, such as pressure, speed, alignment and position, requirements, such as serviceability, repeatability and accuracy, and utilisation parameters, such as ease of set-up, speed of set-up, ease of use and repeatability of set-up.
  • print head parameters such as pressure feedback, speed feedback and compliancy
  • rail system parameters such as configurability, width adjustment, robustness and flatness
  • calibration parameters such as pressure, speed, alignment and position
  • requirements such as serviceability, repeatability and accuracy
  • utilisation parameters such as ease of set-up, speed of set-up, ease of use and repeatability of set-up.
  • the input parameter is a user-related parameter, including user-education parameters, such as working practices, operator, machine type and process type, user set-up parameters, such as print platform set-up, print medium bead size, print medium storage, print element/squeegee assemblies and consumables, and local support parameters, such as operator, machine type and process type.
  • user-education parameters such as working practices, operator, machine type and process type
  • user set-up parameters such as print platform set-up, print medium bead size, print medium storage, print element/squeegee assemblies and consumables
  • local support parameters such as operator, machine type and process type.
  • Table 1 below represents these variables which can provide for real-time control of the printing machine 1.
  • the printing machine controller 8 also has a trend recognition application 77 which provides for identification of trends, allowing for user prompting, such as to more optimal configurations, and/or automatic invocation of the closed-loop control application 75 on identification of a rectifiable trend.
  • trend identification is achieved using classification, regression and/or fuzzy logic techniques.
  • the present invention provides a machine control system which includes a remote processing station 81, which provides for processing of the inspection results from a plurality of printing machines l 1-n .
  • the remote processing station 81 has a server application 83 for enabling communication with the plurality of printing machines li- n , and also a trend recognition application 85 for identifying trends from the inspection results from the plurality of printing machi nes li- n and providing for user prompting, such as to more optimal configurations, and/or automatic invocation of the closed-loop control application 75 of all subscribing printing machines li -n .
  • the knowledge base is extended.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Screen Printers (AREA)

Abstract

L'invention concerne une machine et un procédé de sérigraphie, la machine de sérigraphie comprenant : une station de sérigraphie au niveau de laquelle des pièces à usiner sont imprimées ; une station d'inspection en aval de la station de sérigraphie pour inspecter les pièces à usiner imprimées ; et un dispositif de commande de machine de sérigraphie pour commander un ou plusieurs paramètres de fonctionnement de la machine de sérigraphie sur la base de résultats obtenus à partir d'inspections réalisées au niveau de la station d'inspection et/ou de résultats obtenus à partir d'inspections réalisées au niveau d'une ou plusieurs autres machines de sérigraphie.
PCT/GB2011/000535 2010-04-06 2011-04-06 Machine et procédé de sérigraphie WO2012164233A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1005750.3 2010-04-06
GBGB1005750.3A GB201005750D0 (en) 2010-04-06 2010-04-06 Screen printing machine and method

Publications (2)

Publication Number Publication Date
WO2012164233A2 true WO2012164233A2 (fr) 2012-12-06
WO2012164233A3 WO2012164233A3 (fr) 2014-04-17

Family

ID=42228948

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2011/000535 WO2012164233A2 (fr) 2010-04-06 2011-04-06 Machine et procédé de sérigraphie

Country Status (2)

Country Link
GB (2) GB201005750D0 (fr)
WO (1) WO2012164233A2 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3184302A4 (fr) * 2014-08-18 2017-09-20 Koh Young Technology Inc. Appareil d'inspection de soudure et procédé de génération d'informations de rétroaction pour appareil d'inspection de soudure
EP3501829A1 (fr) * 2017-12-21 2019-06-26 Koh Young Technology Inc. Dispositif d'inspection de circuits imprimés, procédé pour determiner le type d'erreur d'une machine d'impression par sérigraphie et support d'enregistrement lisible par ordinateur
EP3566872A4 (fr) * 2017-01-06 2020-01-08 Fuji Corporation Imprimeur sérigraphe
DE112013002209B4 (de) * 2012-04-27 2020-09-10 Koh Young Technology Inc. Verfahren zum Korrigieren eines Siebdruckers
DE102019127817A1 (de) * 2019-10-15 2021-04-15 Lambotec GmbH Computerimplementiertes Verfahren zur Steuerung einer Siebdruckmaschine, computergesteuerte Siebdruckmaschine
EP3851276A1 (fr) * 2020-01-14 2021-07-21 Lambotec GmbH Procédé mise en oeuvre par ordinateur permettant de commander une machine d'impression sérigraphique et machine d'impression sérigraphique commandée par ordinateur
CN116141829A (zh) * 2022-12-30 2023-05-23 苏州江天电子材料有限公司 一种丝网印刷智能化工艺方法和系统

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CN105346244A (zh) * 2015-12-11 2016-02-24 江阴鑫辉太阳能有限公司 一种太阳能电池板的丝网印刷在线监控系统
CN111031673B (zh) * 2019-11-21 2021-05-07 嘉兴博立螺丝有限公司 一种印刷装置

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EP1677584B1 (fr) * 2002-08-19 2007-10-17 Matsushita Electric Industrial Co., Ltd. Procède destine à produire des données de contrôle d'impression

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112013002209B4 (de) * 2012-04-27 2020-09-10 Koh Young Technology Inc. Verfahren zum Korrigieren eines Siebdruckers
EP3184302A4 (fr) * 2014-08-18 2017-09-20 Koh Young Technology Inc. Appareil d'inspection de soudure et procédé de génération d'informations de rétroaction pour appareil d'inspection de soudure
US10747198B2 (en) 2014-08-18 2020-08-18 Koh Young Technology Inc. Solder inspection apparatus and method of generating feedback information of solder inspection apparatus
EP3566872A4 (fr) * 2017-01-06 2020-01-08 Fuji Corporation Imprimeur sérigraphe
EP3501829A1 (fr) * 2017-12-21 2019-06-26 Koh Young Technology Inc. Dispositif d'inspection de circuits imprimés, procédé pour determiner le type d'erreur d'une machine d'impression par sérigraphie et support d'enregistrement lisible par ordinateur
CN109946319A (zh) * 2017-12-21 2019-06-28 株式会社高永科技 印刷电路板检查装置、决定丝网印刷机的缺陷类型的方法及计算机可判读记录介质
US10674651B2 (en) 2017-12-21 2020-06-02 Koh Young Technology Inc. Printed circuit board inspecting apparatus, method for determining fault type of screen printer and computer readable recording medium
DE102019127817A1 (de) * 2019-10-15 2021-04-15 Lambotec GmbH Computerimplementiertes Verfahren zur Steuerung einer Siebdruckmaschine, computergesteuerte Siebdruckmaschine
EP3808563A1 (fr) 2019-10-15 2021-04-21 Lambotec GmbH Procédé mise en oeuvre par un ordinateur permettant de commander une machine d'impression par sérigraphie ainsi que machine d'impression par sérigraphie commandée par un ordinateur
EP3851276A1 (fr) * 2020-01-14 2021-07-21 Lambotec GmbH Procédé mise en oeuvre par ordinateur permettant de commander une machine d'impression sérigraphique et machine d'impression sérigraphique commandée par ordinateur
CN116141829A (zh) * 2022-12-30 2023-05-23 苏州江天电子材料有限公司 一种丝网印刷智能化工艺方法和系统
CN116141829B (zh) * 2022-12-30 2024-02-13 苏州江天电子材料有限公司 一种丝网印刷智能化工艺方法和系统

Also Published As

Publication number Publication date
WO2012164233A3 (fr) 2014-04-17
GB201005750D0 (en) 2010-05-19
GB201105935D0 (en) 2011-05-18

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