WO2021201441A1 - Dispositif et procédé pour éliminer une substance étrangère sur un substrat - Google Patents

Dispositif et procédé pour éliminer une substance étrangère sur un substrat Download PDF

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Publication number
WO2021201441A1
WO2021201441A1 PCT/KR2021/002466 KR2021002466W WO2021201441A1 WO 2021201441 A1 WO2021201441 A1 WO 2021201441A1 KR 2021002466 W KR2021002466 W KR 2021002466W WO 2021201441 A1 WO2021201441 A1 WO 2021201441A1
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WO
WIPO (PCT)
Prior art keywords
substrate
roll brush
rail
housing
unit
Prior art date
Application number
PCT/KR2021/002466
Other languages
English (en)
Korean (ko)
Inventor
장종수
박창성
김경선
구의서
임병현
Original Assignee
스템코 주식회사
노벨이엔씨 (주)
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 스템코 주식회사, 노벨이엔씨 (주) filed Critical 스템코 주식회사
Publication of WO2021201441A1 publication Critical patent/WO2021201441A1/fr

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    • 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
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/26—Cleaning or polishing of the conductive pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools

Definitions

  • the present invention relates to an apparatus and method for removing foreign substances on a substrate. More particularly, it relates to an apparatus and method for removing foreign matter on a printed circuit board.
  • a circuit board is manufactured by sequentially passing through a surface treatment, circuit formation, a printing process, an inspection process, and the like.
  • a visual inspection, an optical inspection, an electrical inspection, etc. may be sequentially performed to prevent leakage of defects of the circuit board.
  • An object of the present invention is to provide an apparatus and method for removing foreign substances from a substrate by directly contacting a rotating roll brush with a circuit board to remove foreign substances from the circuit board.
  • One surface (aspect) of the apparatus for removing foreign substances from the substrate of the present invention for achieving the above object is a body including a first rail formed on a support in a first direction and a second rail formed on the support in a second direction wealth; a substrate flow unit disposed on the second rail and configured to flow a substrate; and a brushing part disposed on the first rail and including a housing having a through hole and a roll brush mounted in the inner space of the housing, wherein the roll brush of the brushing part is in contact with the substrate through the through hole.
  • the roll brush rotates when the substrate comes into contact with the roll brush through the through hole to remove foreign substances from the substrate.
  • the apparatus for removing foreign substances from the substrate may further include a suction unit connected to the housing and for sucking and discharging the foreign substances remaining in the inner space of the housing.
  • the housing may include a detachable first module and a second module, and the first module and the second module may move in different directions along the first rail to expose the brushing unit.
  • the roll brush may rotate in a direction different from the moving direction of the substrate.
  • the brushing unit further includes a first roll shaft for rotating the roll brush
  • the roll brush may include: a shaft tube coupled to the first roll shaft through a hollow; and a brush attached to the surface of the shaft tube.
  • the length of the roll brush may be equal to or shorter than the length of the first roll shaft.
  • the apparatus for removing foreign substances from the substrate may further include a roll brush cleaning unit installed on the inner surface of the housing and configured to remove the foreign substances from the roll brush.
  • the roll brush cleaning unit may be formed in at least one of a wire shape, a plate shape, and a knife shape.
  • the substrate moving unit may include: a driving roller for moving the substrate; a second roll shaft rotating the driving roller; and a limit stopper installed on a side surface of the second roll shaft to prevent collision of the brushing part and the substrate moving part.
  • the apparatus for removing foreign substances from the substrate may further include a displacement adjusting unit configured to move at least one of the brushing unit and the substrate moving unit along the second rail when the substrate does not contact the roll brush.
  • the first rail may intersect the second rail.
  • One aspect of the method for removing foreign matter from the substrate of the present invention for achieving the above object includes the steps of: coupling the separated housing to move along the first rail to cover the roll brush; contacting the substrate with the roll brush through a through hole formed in a side surface of the housing by moving a substrate moving part for moving the substrate along a second rail; and rotating the roll brush to remove foreign substances from the substrate.
  • the method may further include removing the foreign material from the roll brush by a roll brush cleaning unit installed on the inner surface of the housing when the roll brush rotates.
  • the method may further include, after removing the foreign material from the roll brush, the suction unit connected to the housing sucking the foreign material remaining in the inner space of the housing and discharging the foreign material to the outside.
  • the roll brush may be rotated in a direction different from the moving direction of the substrate.
  • the movement of the substrate moving unit may be stopped by detecting whether the substrate moving unit collides with the housing.
  • the contacting may include moving at least one of the housing and the substrate moving part along the second rail when the substrate does not come into contact with the roll brush.
  • the following effects can be obtained by removing foreign substances from the circuit board by bringing the rotating roll brush into direct contact with the circuit board.
  • FIG. 1 is a perspective view of an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention.
  • FIG. 2 is a front view of an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention.
  • FIG 3 is a rear view of an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention.
  • FIG. 4 is a perspective view illustrating an internal structure of a body part constituting an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention.
  • FIG. 5 is an exploded perspective view showing an internal structure of a roll brush unit constituting an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention.
  • FIG. 6 is a first exemplary view for explaining an operating principle of a housing constituting the roll brush unit of FIG. 5 .
  • FIG. 7 is a second exemplary view for explaining an operating principle of a housing constituting the roll brush unit of FIG. 5 .
  • FIG. 8 is a first exemplary view for explaining a method of operating a roll brush constituting the roll brush unit of FIG. 5 .
  • FIG. 9 is a second exemplary view for explaining an operation method of the roll brush constituting the roll brush unit of FIG. 5 .
  • FIG. 10 is an exemplary view for explaining the length relationship between the first roll shaft and the roll brush constituting the roll brush unit of FIG. 5 .
  • FIG. 11 is an exploded perspective view illustrating an internal structure of a substrate moving part constituting an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention.
  • FIG. 12 is a first exemplary view for explaining the principle of operation of the second roll shaft constituting the substrate flow part of FIG. 11 .
  • FIG. 13 is a second exemplary view for explaining the principle of operation of the second roll shaft constituting the substrate flow unit of FIG. 11 .
  • FIG. 14 is a perspective view of an apparatus for removing foreign substances from a substrate according to another embodiment of the present invention.
  • 15 is a flowchart sequentially illustrating a method of removing foreign substances from a substrate according to an embodiment of the present invention.
  • FIG. 16 is a first exemplary diagram for explaining each step in the method of FIG. 15 .
  • FIG. 17 is a second exemplary diagram for explaining each step in the method of FIG. 15 .
  • references to an element or layer “on” or “on” another element or layer includes not only directly on the other element or layer, but also with intervening other layers or other elements. include all On the other hand, reference to an element "directly on” or “immediately on” indicates that no intervening element or layer is interposed.
  • first, second, etc. are used to describe various elements, components, and/or sections, these elements, components, and/or sections are not limited by these terms. These terms are only used to distinguish one element, component, or sections from another. Accordingly, it goes without saying that the first element, the first element, or the first section mentioned below may be the second element, the second element, or the second section within the spirit of the present invention.
  • FIG. 1 is a perspective view of an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention
  • FIG. 2 is a front view of an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention
  • FIG. It is a rear view of an apparatus for removing foreign substances from a substrate according to an embodiment.
  • the apparatus 100 for removing foreign substances from a substrate may include a body part 110 , a brushing part 120 , a suction part 130 , and a substrate flow part 140 .
  • the apparatus 100 for removing foreign substances from a substrate removes foreign substances (eg, particles) on the circuit board W (eg, printed circuit board).
  • the apparatus 100 for removing foreign substances from the substrate may remove foreign substances from the circuit board W that flows in order to perform an inspection process.
  • the apparatus 100 for removing foreign substances from a substrate may be formed in an integrated structure with a roll brush and a suction to remove foreign substances from the circuit board W. Referring to FIG.
  • the apparatus 100 for removing foreign substances from the substrate may remove the foreign substances from the circuit board W by directly contacting a rotating roll brush with the circuit board W.
  • the roll brush may be provided in the brushing unit 120 .
  • the apparatus 100 for removing foreign substances from the substrate may suction and remove the foreign substances separated from the circuit board W by using air suction.
  • the air suction may be performed by the suction unit 130 , and in this embodiment, it is possible to immediately suck the detached foreign material, thereby suppressing re-attachment of the detached foreign material to another area of the circuit board W.
  • the body part 110 constitutes the body of the apparatus 100 for removing foreign substances from the substrate.
  • the brushing unit 120 , the suction unit 130 , and the substrate flow unit 140 may be installed on the body unit 110 .
  • the body part 110 may include a support 210 , a first rail 220 , and a second rail 230 as shown in FIG. 4 .
  • 4 is a perspective view illustrating an internal structure of a body part constituting an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention. The following description refers to FIG. 4 .
  • the support 210 is a flat plate having a certain area.
  • the first rail 220 and the second rail 230 may be installed on the support 210 .
  • the first rail 220 is for moving the brushing unit 120 on the support 210 .
  • the first rail 220 may be installed on the support 210 with the first direction 10 as the longitudinal direction.
  • the second rail 230 is for moving the substrate moving part 140 on the support 210 .
  • the second rail 230 may be installed on the support 210 with the second direction 20 as the longitudinal direction.
  • the first rail 220 and the second rail 230 may be installed to cross each other on the support 210 .
  • the present embodiment is not limited thereto.
  • the first rail 220 and the second rail 230 may be installed parallel to each other on the support 210 .
  • the first rail 220 and the second rail 230 may be installed in parallel with a predetermined distance on the support 210 with the first direction 10 as the longitudinal direction.
  • the first rail 220 and the second rail 230 may be installed on the support 210 to have the same shape. However, the present embodiment is not limited thereto.
  • the first rail 220 and the second rail 230 may be installed on the support 210 to have different shapes.
  • the first rail 220 and the second rail 230 are formed in a linear shape, but at least one of the first rail 220 and the second rail 230 is installed at an installation location, It may be formed in a curved shape in consideration of a brush type, a distance relationship between the brushing unit 120 and the substrate flow unit 140 .
  • the brushing unit 120 is for removing foreign substances from the circuit board (W).
  • the brushing unit 120 may remove foreign substances from the circuit board W by directly contacting the rotating roll brush with the circuit board W.
  • the brushing unit 120 may include a housing 310 , a first roll shaft 320 , and a roll brush 330 .
  • 5 is an exploded perspective view showing an internal structure of a roll brush unit constituting an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention. The following description refers to FIG. 5 .
  • the housing 310 moves in the first direction 10 along the first rail 220 on the support 210 .
  • the housing 310 may have a space formed therein so that the roll brush 330 can be mounted therein.
  • the housing 310 may be divided into a plurality of modules to expose the roll brush 330 mounted in the space therein.
  • the housing 310 may be separated into two modules 311 and 312 that move to both sides, and the roll brush 330 mounted therein may be exposed to the outside, for example.
  • the housing 310 can be opened and closed inside.
  • the first module 311 moves in a negative (-) first direction 10 along the first rail 220
  • the second module 312 moves the first
  • the inside of the housing 310 may be opened.
  • the apparatus 100 for removing foreign substances from the substrate is stopped, and the roll brush 330 is detached from the first roll shaft 320 to clean or replace the roll brush 330 .
  • FIG. 6 is a first exemplary view for explaining an operating principle of a housing constituting the roll brush unit of FIG. 5 .
  • FIG. 7 is a second exemplary view for explaining an operating principle of a housing constituting the roll brush unit of FIG. 5 .
  • the housing 310 may move in the second direction 20 along the second rail 230 on the support 210 .
  • the housing 310 may move in the second direction 20 along the second rail 230 at the intersection of the first rail 220 and the second rail 230 .
  • the housing 310 may move in the second direction 20 along the second rail 230 to bring the roll brush 330 into contact with the circuit board W.
  • the housing 310 may open or seal the inside of the housing 310 by moving one module in the third direction 30 to be perpendicular to the first direction 10 or the second direction 20 .
  • the housing 310 may include at least one through hole 313 having a predetermined size on a side thereof.
  • the roll brush 330 mounted in the housing 310 comes into contact with the circuit board W that enters the housing 310 through the through hole 313 or moves along the side surface of the housing 310 . Thus, foreign substances can be separated from the circuit board W.
  • the first roll shaft 320 rotates the roll brush 330 .
  • the first roll shaft 320 may be connected to a motor (not shown) for applying a rotational force to rotate the roll brush 330 .
  • the roll brush 330 may be coupled to the first roll shaft 320 and mounted in the inner space of the housing 310 .
  • the first roll shaft 320 may be installed on the first rail 220 .
  • the first roll shaft 320 may be movably installed on the first rail 220 together with the housing 310 .
  • the present embodiment is not limited thereto.
  • the first roll shaft 320 may be fixedly installed on the first rail 220 .
  • the first roll shaft 320 is any one of the rails of the first rail 220 and the second rail 230 (eg, the intersection of the first rail 220 and the second rail 230 ) It may be installed on the first rail 220 as well as on the second rail 230 to be movably installed. The first roll shaft 320 may be installed movably only on the second rail 230 .
  • the roll brush 330 is in contact with the circuit board (W) to release foreign substances on the circuit board (W).
  • the roll brush 330 may be rotated by the first roll shaft 320 when in contact with the circuit board W to remove foreign substances from the circuit board W.
  • the roll brush 330 may include a shaft tube 331 and a brush 332 . At this time, the brush 332 attached to the surface of the shaft tube 331 may come into contact with the circuit board W, and may separate foreign substances from the circuit board W without damaging the circuit board W.
  • the shaft tube 331 is bound to the first roll shaft 320 .
  • the shaft tube 331 has a hollow, and may be coupled to the first roll shaft 320 through the hollow to be bound to the first roll shaft 320 .
  • the shaft pipe 331 may be fastened to the first roll shaft 320 in various ways, such as pin fastening, bolt fastening, and interference fitting.
  • the shaft tube 331 may be formed in a cylindrical shape, but the shape of the shaft tube 331 in the present embodiment is not limited thereto.
  • the brush 332 may be attached to the surface of the first roll shaft 320 by acting as the shaft tube 331 by the first roll shaft 320 alone.
  • a plurality of brushes 332 may be formed on the surface of the shaft tube 331 .
  • the brush 332 may be formed using wool having a smooth surface as a material.
  • the brush 332 may be formed using, for example, artificial hair (non-static nylon hair) as a material. Meanwhile, the brush 332 may be formed to have a constant thickness (eg, 80 ⁇ m).
  • the roll brush 330 may rotate in the same direction as the circuit board W as shown in FIG. 8 when the roll brush 330 comes into contact with the circuit board W to separate foreign substances from the circuit board W.
  • FIG. 8 is a first exemplary view for explaining a method of operating a roll brush constituting the roll brush unit of FIG. 5 .
  • the roll brush 330 may rotate in different directions from the circuit board W as shown in FIG. 9 .
  • the roll brush 330 rotates in a different direction from the circuit board W as described above, thereby improving the effect of removing foreign substances compared to the case of rotating in the same direction as the circuit board W.
  • FIG. 9 is a second exemplary view for explaining an operation method of the roll brush constituting the roll brush unit of FIG. 5 .
  • the roll brush 330 may be formed to have a shorter length than the first roll shaft 320 (length (a) of the roll brush 330 ⁇ of the first roll shaft 320 ). length (b)).
  • the roll brush 330 is formed in this way, it can rotate while being spaced apart from the bottom surface of the first roll shaft 320 by a predetermined distance, and accordingly, the bottom surface of the roll brush 330 and the first roll shaft 320 . inter-contact can be avoided.
  • FIG. 10 is an exemplary view for explaining the length relationship between the first roll shaft and the roll brush constituting the roll brush unit of FIG. 5 .
  • the roll brush 330 may be formed to have the same length as the first roll shaft 320 , or may be formed to have a longer length than the first roll shaft 320 .
  • the brushing unit 120 may further include a roll brush washing unit 340 .
  • the roll brush cleaning unit 340 may be installed on the inner surface of the housing 310 .
  • the roll brush cleaning unit 340 functions to separate foreign substances attached to the roll brush 330 from the roll brush 330 after being separated from the circuit board W.
  • the roll brush 330 can be maintained in a clean state through the roll brush cleaning unit 340 .
  • the roll brush cleaning unit 340 may be installed on the inner surface of the housing 310 in a wire shape as shown in FIG. 5 . However, the present embodiment is not limited thereto.
  • the roll brush cleaning unit 340 may be installed on the inner surface of the housing 310 in a plate shape or a knife shape.
  • a plurality of roll brush cleaning units 340 may be installed at regular intervals on the inner surface of the housing 310 .
  • the present embodiment is not limited thereto.
  • a single roll brush cleaning unit 340 may be installed on the inner surface of the housing 310 .
  • the suction unit 130 sucks the foreign material remaining in the brushing unit 120 and discharges it to the outside.
  • the suction unit 130 may be coupled to the housing 310 through a through hole formed in a side surface of the housing 310 .
  • the brush 332 is provided through the housing 310 partially opened by the through hole 313 , and the foreign material separated by the brush 332 is removed from the suction part inside the housing 310 . Since it is immediately sucked into the 130 , it is possible to prevent the problem that the detached foreign substances are released to the outside of the housing 310 and reattached to other areas of the circuit board W or scattered in the workplace. In particular, when the suction direction of the suction unit 130 is formed in a direction perpendicular to the through hole 313 , the suction effect may be further improved.
  • the substrate flow unit 140 is to flow the circuit board (W).
  • the substrate flow unit 140 is installed on the second rail 230 , and may allow the circuit board W to flow in the first direction 10 .
  • the substrate flow unit 140 may include a second roll shaft 410 and a driving roller 420 as shown in FIG. 11 .
  • 11 is an exploded perspective view illustrating an internal structure of a substrate moving part constituting an apparatus for removing foreign substances from a substrate according to an embodiment of the present invention. The following description refers to FIG. 11 .
  • the second roll shaft 410 is installed on the second rail 230 .
  • the second roll shaft 410 may be connected to a motor (not shown) for applying a rotational force to rotate the driving roller 420 .
  • the second roll shaft 410 and the driving roller 420 are bound, so that the driving roller 420 also rotates according to the rotation of the second roll shaft 410 , and the rotation of the driving roller 420 . Accordingly, the circuit board W may flow in the first direction 10 .
  • the second roll shaft 410 may be movably installed on the second rail 230 .
  • the present embodiment is not limited thereto.
  • the second roll shaft 410 may be fixedly installed on the second rail 230 .
  • the second roll shaft 410 is directed toward the brushing unit 120 along the second rail 230 as shown in FIG. 12 (ie, negative It can move in the (-) second direction (20)).
  • the circuit board W is in close contact with the roll brush 330 of the brushing unit 120 , and foreign substances adhering to the circuit board W may be removed by the roll brush 330 .
  • FIG. 12 is a first exemplary view for explaining the principle of operation of the second roll shaft constituting the substrate flow part of FIG. 11 .
  • the second roll shaft 410 moves away from the brushing unit 120 along the second rail 230 as shown in FIG. 13 when the foreign material removal apparatus 100 of the substrate is stopped (that is, It can move in a positive (+) second direction (20)). In this case, the flow of the circuit board W may also be stopped. 13 is a second exemplary view for explaining the principle of operation of the second roll shaft constituting the substrate flow unit of FIG. 11 .
  • the driving roller 420 is rotated by the second roll shaft 410 .
  • the driving roller 420 has a hollow, and may be fastened to the second roll shaft 410 through the hollow.
  • the driving roller 420 may be fastened to the second roll shaft 410 in the same manner as in the case of the shaft pipe 331 , and is fastened to the second roll shaft 410 in a different manner than in the case of the shaft pipe 331 . It is also possible to be
  • a collision may occur between the brushing unit 120 and the substrate moving unit 140 .
  • a limit stopper 430 may be provided on the side surface of the second roll shaft 410 .
  • the limit stopper 430 detects whether the brushing unit 120 and the second roll shaft 410 collide with the second roll shaft ( 410) to stop the continuous movement.
  • the limit stopper 430 may be formed in a protruding shape as shown in FIG. 11 , and may be formed in a shape inclined toward the lower surface of the second roll shaft 410 .
  • the present embodiment is not limited thereto, and may be formed in any shape as long as it can prevent collision with the brushing unit 120 .
  • the apparatus 100 for removing foreign substances from the substrate may further include a displacement adjusting unit 150 as shown in FIG. 14 .
  • 14 is a perspective view of an apparatus for removing foreign substances from a substrate according to another embodiment of the present invention. The following description refers to FIG. 14 .
  • the brush 332 is to separate foreign substances attached to the circuit board W from the circuit board W.
  • the brush 332 may be worn over a long period of use. In this case, a separation distance may occur between the roll brush 330 and the circuit board W, and a problem may occur that foreign substances adhering to the circuit board W cannot be removed.
  • the displacement adjusting unit 150 may function to adjust the displacement of the roll brush 330 in order to solve such a problem.
  • the displacement adjusting unit 150 may adjust the displacement of the roll brush 330 from a unit of ⁇ m to a unit of cm.
  • the displacement adjusting unit 150 may move the brushing unit 120 in the direction in which the substrate moving unit 140 is located. That is, the displacement adjusting unit 150 moves the brushing unit 120 along the second rail 230 in the positive second direction 20 so that the roll brush 330 comes into contact with the circuit board W. can make it happen
  • the displacement adjusting unit 150 may also move the substrate moving unit 140 in the direction in which the brushing unit 120 is located. That is, the displacement control unit 150 moves the substrate flow unit 140 along the second rail 230 in the negative second direction 20 so that the roll brush 330 is applied to the circuit board W. It can also be brought into contact.
  • the separation distance between the roll brush 330 and the circuit board W may be measured using a micrometer. In the present embodiment, it is also possible to estimate the separation distance between the roll brush 330 and the circuit board W based on the difference between the previous length and the current length of the brush 332 .
  • the apparatus 100 for removing foreign matter from a substrate has been described with reference to FIGS. 1 to 14 above.
  • the apparatus 100 for removing foreign substances from the substrate enables the removal of metal foreign substances present on the surface of the circuit board W, and may be applied to a reel to reel facility.
  • FIG. 15 is a flowchart sequentially illustrating a method of removing foreign substances from a substrate according to an embodiment of the present invention. The following description refers to FIG. 15 .
  • FIG. 16 is a first exemplary diagram for explaining each step in the method of FIG. 15 .
  • the substrate flow unit 140 may not operate either.
  • the circuit board W may not flow in the first direction 10 and may be stopped while being wound around the driving roller 420 .
  • FIG. 17 is a second exemplary diagram for explaining each step in the method of FIG. 15 .
  • the substrate flow unit 140 when the substrate flow unit 140 is not in operation, it starts to operate, and the circuit board W flows in the first direction 10 .
  • the circuit board W comes into contact with the roll brush 330 through the through hole 313 . Then, while the brush 332 is rotated through the first roll shaft 320 to which the rotational force is applied by the motor (S530), foreign substances attached to the circuit board W are separated from the circuit board W and the brush (332) is attached.
  • the present invention relates to an apparatus for removing metal foreign substances remaining on the surface of a circuit board, and may be applied to a reel to reel facility.

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  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cleaning In General (AREA)

Abstract

L'invention concerne un dispositif et un procédé pour éliminer une substance étrangère sur un substrat, une brosse à rouleaux rotatifs étant mise en contact direct avec une carte de circuit imprimé pour éliminer une substance étrangère sur la carte de circuit imprimé. Le dispositif d'élimination d'une substance étrangère sur un substrat comprend : une partie corps comprenant un premier rail formé dans une première direction sur un support et un second rail formé dans une seconde direction sur le support ; une partie de déplacement de substrat disposée sur le second rail pour déplacer un substrat ; et une partie de brossage disposée sur le premier rail et comprenant un boîtier ayant un trou traversant formé à travers celui-ci et une brosse à rouleaux installée dans l'espace intérieur du boîtier, la brosse à rouleaux de la partie de brossage venant en contact avec le substrat à travers le trou traversant pour éliminer la substance étrangère du substrat.
PCT/KR2021/002466 2020-03-31 2021-02-26 Dispositif et procédé pour éliminer une substance étrangère sur un substrat WO2021201441A1 (fr)

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KR1020200039171A KR20210121828A (ko) 2020-03-31 2020-03-31 기판의 이물질 제거 장치 및 방법
KR10-2020-0039171 2020-03-31

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CN114040594B (zh) * 2021-11-12 2023-10-10 湖南高梁红电子科技有限公司 一种充电器加工工艺

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