WO2019100310A1 - Procédé de correction automatique destiné à imprimer une carte de circuit imprimé souple double face - Google Patents

Procédé de correction automatique destiné à imprimer une carte de circuit imprimé souple double face Download PDF

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Publication number
WO2019100310A1
WO2019100310A1 PCT/CN2017/112758 CN2017112758W WO2019100310A1 WO 2019100310 A1 WO2019100310 A1 WO 2019100310A1 CN 2017112758 W CN2017112758 W CN 2017112758W WO 2019100310 A1 WO2019100310 A1 WO 2019100310A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
double
flexible circuit
sided flexible
printing
Prior art date
Application number
PCT/CN2017/112758
Other languages
English (en)
Chinese (zh)
Inventor
王言新
Original Assignee
广东永创鑫电子有限公司
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 广东永创鑫电子有限公司 filed Critical 广东永创鑫电子有限公司
Publication of WO2019100310A1 publication Critical patent/WO2019100310A1/fr

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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
    • H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
    • H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
    • 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
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/16—Inspection; Monitoring; Aligning
    • H05K2203/166—Alignment or registration; Control of registration

Definitions

  • the invention relates to the field of flexible circuit board production, in particular to an automatic correction method for double-sided flexible circuit board printing.
  • Flexible Printed Board (Flexible Printed Circuit, referred to as FPC, is a printed circuit board made of a flexible insulating substrate such as polyimide or polyester film. It has high reliability, excellent flexibility, and can be hardened. It does not have the characteristics, but also has the characteristics of high wiring density, light weight, thin thickness and good bending. Flexible circuit boards can be divided into single-sided flexible circuit boards and double-sided flexible circuit boards according to different printing. The manufacturing process of double-sided flexible circuit boards is more difficult and complicated.
  • Printing is an important part of the processing process of double-sided flexible circuit boards, and the process requirements that need to be achieved are also high. Especially for double-sided flexible circuit boards, if the circuits printed on the front and back sides cannot be completely overlapped or even have large deviations, the parameters of the printed double-sided flexible circuit boards will not meet the standard process requirements, and they cannot continue. Carry out the follow-up process.
  • the present invention is directed to solving the above-mentioned technical problems, and provides an automatic correction method for double-sided flexible circuit board printing capable of ensuring the coincidence degree of the front and back sides of a double-sided flexible circuit board in a whole roll printing process.
  • an automatic correction method for double-sided flexible circuit board printing comprising the following steps:
  • Step 1 Build a platform for double-sided flexible circuit board printing
  • Step 2 Set the double-sided registration point, specifically to set two coincident alignment points on the front and back sides of the line graphic film for printing the double-sided flexible circuit board;
  • Step 2 Record the opposite facing position, specifically when performing the printing on the front side of the double-sided flexible circuit board, the observation device disposed under the opposite position records the position of the opposite position of the reverse side of the line graphic film at this time;
  • Step 3 Set a front identification point, specifically that the alignment point on the line pattern film is exposed by exposure etching, and an identification point is formed on the outer side of the front side of the double-sided flexible circuit board;
  • Step 4 Comparing the identification point and the opposite point, specifically when performing the printing on the reverse side of the double-sided flexible circuit board, the observation device disposed under the opposite position identifies the identification point on the outer side of the front side of the double-sided flexible circuit board at this time. Position and feedback back to the computer to compare the alignment point on the line graphic film;
  • Step 5 Feedback and adjustment of the platform, specifically refers to correcting the unaligned double-sided flexible circuit board to ensure that the coincidence of the front and back sides of the double-sided flexible circuit board meets the requirements.
  • the platform comprises a workbench for performing double-sided flexible circuit board printing, an image pickup device for collecting parameters during printing, and a control computer, and the workbench includes a printing table for placing a double-sided flexible circuit board.
  • the camera device comprises a camera disposed inside the workbench, a transparent glass that accommodates the camera and communicates with the channel directly above and the closed channel.
  • the camera and the channel are disposed inside the printing table.
  • the transparent glass is disposed on a horizontal line that is flush with the upper surface of the printing table.
  • step 4 after the control computer is compared, if the deviation between the identification point and the opposite point is outside the allowable error, that is, the camera cannot capture the identification point, the printing platform pauses printing and issues an alarm through the alarm. If the deviation between the identification point and the opposite point is within the allowable error, that is, the camera can capture the identification point, proceed to step 5.
  • the tolerance is 0.1 mm.
  • control computer adjusts the position of the printing table by controlling the motor of the moving table, thereby adjusting the position of the reverse printing of the double-sided flexible circuit board.
  • the beneficial effect is that the method adjusts the flexibility by setting the reference points of the front and back surfaces corresponding to the coincidence on the circuit board, and identifying the reference points on both sides of the circuit board and the line graphic film by the camera below, and feeding back to the control computer for comparison.
  • FIG. 1 is a schematic view showing the overall structure of a platform in the present invention
  • Figure 2 is a partially enlarged schematic view of the portion "A" of Figure 1.
  • an automatic correction method for double-sided flexible circuit board printing includes the following steps:
  • Step 1 Build a platform for double-sided flexible circuit board printing
  • Step 2 Set the double-sided registration point, specifically to set two coincident alignment points on the front and back sides of the line graphic film for printing the double-sided flexible circuit board;
  • Step 2 Record the opposite facing position, specifically when the front side of the double-sided flexible circuit board is printed, the camera disposed under the opposite position records the position of the opposite side of the line graphic film at this time;
  • Step 3 Set a front identification point, specifically that the alignment point on the line pattern film is exposed by exposure etching, and an identification point is formed on the outer side of the front side of the double-sided flexible circuit board;
  • Step 4 Comparing the identification point and the opposite point, specifically when printing on the reverse side of the double-sided flexible circuit board, the camera disposed under the opposite position identifies the position of the identification point on the outer side of the front side of the double-sided flexible circuit board. And feedback back to the computer to compare the alignment point on the line graphic film;
  • Step 5 Feedback and adjustment of the platform, specifically refers to correcting the unaligned double-sided flexible circuit board to ensure that the coincidence of the front and back sides of the double-sided flexible circuit board meets the requirements.
  • the workbench 1 includes a rectangular upper pedestal 11 and a lower pedestal 12.
  • the upper pedestal 11 and the lower pedestal 12 are connected by vertically disposed fixing posts 13, and the fixing posts 13 are four and are respectively disposed on the upper pedestal 11 and the lower pedestal 12.
  • the four corners and the four fixing posts 13 are arranged to support the upper pedestal 11 with two mechanical arms, which can make the movement adjustment of the entire table 1 more stable, and improve the automatic correction of the double-sided flexible circuit board printing. stability.
  • the workbench 1 includes a printing table 14 for placing a double-sided flexible circuit board.
  • the camera device 2 includes a camera 21 disposed inside the table 1, a channel 22 for accommodating the camera 21 and communicating directly above, and a transparent glass 23 for closing the channel 22.
  • the camera 21 and the channel 22 are disposed inside the printing table 14, and the camera 21 can.
  • the workbench 1 includes a printing table 14 for placing a double-sided flexible circuit board, and the transparent glass 23 is disposed on a horizontal line flush with the upper surface of the printing table 14, to prevent the circuit board from being uneven due to the upper surface of the printing table 14 during printing. The movement occurs, thereby affecting the printing of the double-sided flexible circuit board.
  • the workbench 1 is also provided with an auxiliary illumination lamp 15. Since the circuit board will block the camera 21, the channel 22 and the transparent glass 23 during the printing process, the auxiliary illumination lamp 15 can supplement the light collected by the camera 21 to ensure data acquisition. Work properly.
  • the control computer 3 is electrically connected to the imaging device 2 and the workbench 1, respectively, to receive and compare the data collected by the imaging device 2, or to issue an instruction to control the workbench 1 to perform adjustment.
  • step 4 after the comparison of the control computer 3, if the deviation between the identification point and the opposite point is outside the allowable error, that is, when the camera 21 cannot capture the identification point, the printing platform pauses printing and issues an alarm through the alarm; The deviation of the point and the opposite point within the allowable error, that is, when the camera 21 can capture the identification point, proceeds to step 5, which is typically 0.1 mm according to industry standards.
  • step 5 the control computer 3 adjusts the position of the printing table 14 by controlling the motor of the moving table 1, thereby adjusting the position at the time of reverse printing of the double-sided flexible circuit board.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Screen Printers (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Abstract

La présente invention concerne un procédé de correction automatique destiné à imprimer une carte de circuit imprimé souple double face, le procédé comprenant les étapes suivantes consistant à construire un établi permettant d'imprimer la carte de circuit imprimé souple double face, à agencer des points d'alignement sur deux côtés, à enregistrer un point d'alignement sur un côté arrière, à déterminer un point de reconnaissance au niveau d'un côté avant, à comparer le point de reconnaissance et le point d'alignement, à retransmettre et à régler l'établi. Selon le procédé, au moyen de l'agencement de points de référence, correspondant et coïncidant l'un avec l'autre sur les côtés arrière et avant, sur la carte de circuit imprimé, de la reconnaissance, par une caméra sous-jacente, de la carte de circuit imprimé et des points de référence sur deux côtés d'un film de motif de circuit, et de la retransmission à un ordinateur de commande en vue d'une comparaison, la position de la carte de circuit imprimé souple est réglée, de manière à réaliser une correction automatique de la carte de circuit imprimé souple double face dans un processus d'impression, et s'assurer que la coïncidence des côtés avant et arrière de la carte de circuit imprimé souple peut se conformer aux exigences.
PCT/CN2017/112758 2017-11-21 2017-11-24 Procédé de correction automatique destiné à imprimer une carte de circuit imprimé souple double face WO2019100310A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711165535.4A CN107734866B (zh) 2017-11-21 2017-11-21 一种双面柔性线路板印刷的自动校正方法
CN201711165535.4 2017-11-21

Publications (1)

Publication Number Publication Date
WO2019100310A1 true WO2019100310A1 (fr) 2019-05-31

Family

ID=61216660

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/112758 WO2019100310A1 (fr) 2017-11-21 2017-11-24 Procédé de correction automatique destiné à imprimer une carte de circuit imprimé souple double face

Country Status (2)

Country Link
CN (1) CN107734866B (fr)
WO (1) WO2019100310A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109742182B (zh) * 2018-11-28 2020-08-11 苏州迈为科技股份有限公司 一种电池片划片及印刷前的视觉定位方法
CN110126423B (zh) * 2019-05-20 2024-05-17 深圳市深科达智能装备股份有限公司 Cof自动对位压接点亮结构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007207855A (ja) * 2006-01-31 2007-08-16 Shibaura Mechatronics Corp 電子部品の位置認識装置
TW200908844A (en) * 2007-08-13 2009-02-16 Ying Te La Technology Co Ltd Automatic and precise alignment and assembly system for printed circuit board and its method
CN103676506A (zh) * 2013-12-27 2014-03-26 东莞市华恒工业自动化集成有限公司 菲林对位机用ccd视觉对位方法
CN106817851A (zh) * 2017-02-16 2017-06-09 苏州华天视航智能装备技术有限公司 一种fpc精密对位机

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007207855A (ja) * 2006-01-31 2007-08-16 Shibaura Mechatronics Corp 電子部品の位置認識装置
TW200908844A (en) * 2007-08-13 2009-02-16 Ying Te La Technology Co Ltd Automatic and precise alignment and assembly system for printed circuit board and its method
CN103676506A (zh) * 2013-12-27 2014-03-26 东莞市华恒工业自动化集成有限公司 菲林对位机用ccd视觉对位方法
CN106817851A (zh) * 2017-02-16 2017-06-09 苏州华天视航智能装备技术有限公司 一种fpc精密对位机

Also Published As

Publication number Publication date
CN107734866A (zh) 2018-02-23
CN107734866B (zh) 2019-06-11

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