KR20030091204A - Transportation system of a printed circuit board - Google Patents

Transportation system of a printed circuit board Download PDF

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Publication number
KR20030091204A
KR20030091204A KR1020020029073A KR20020029073A KR20030091204A KR 20030091204 A KR20030091204 A KR 20030091204A KR 1020020029073 A KR1020020029073 A KR 1020020029073A KR 20020029073 A KR20020029073 A KR 20020029073A KR 20030091204 A KR20030091204 A KR 20030091204A
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KR
South Korea
Prior art keywords
printed circuit
circuit board
pcb
pair
photographing
Prior art date
Application number
KR1020020029073A
Other languages
Korean (ko)
Inventor
최정철
Original Assignee
주식회사 에이스일렉트로닉스
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Application filed by 주식회사 에이스일렉트로닉스 filed Critical 주식회사 에이스일렉트로닉스
Priority to KR1020020029073A priority Critical patent/KR20030091204A/en
Publication of KR20030091204A publication Critical patent/KR20030091204A/en

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/0061Tools for holding the circuit boards during processing; handling transport of printed circuit boards
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/0002Inspection of images, e.g. flaw detection
    • G06T7/0004Industrial image inspection
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0266Marks, test patterns or identification means
    • H05K1/0269Marks, test patterns or identification means for visual or optical inspection
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K13/00Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
    • H05K13/0015Orientation; Alignment; Positioning

Abstract

PURPOSE: An apparatus for transferring a PCB is provided to reduce an error rate in a cutting process of the PCB by reducing photographing errors due to a variation of positions of the PCB and improving the accuracy of the photographed image data. CONSTITUTION: An apparatus for transferring a PCB includes a couple of frames(10,10'), and a couple of guide rails(20,20') formed between the frames(10,10'). The apparatus for transferring the PCB further includes a couple of fixing plates(30,30') and an electronic circuit portion. The fixing plates(30,30') are formed at each center portion of the frames(10,10'). The fixing plates(30,30') include a plurality of projections(31) which are inserted into insertion holes of the PCB. The electronic circuit portion includes a camera portion, a memory portion, a control portion, and an output portion. The camera portion photographs a surface of the PCB. The memory portion stores the images photographed by the camera portion. The control portion controls operations to output the images. The output portion outputs the image data of the memory portion to the outside.

Description

인쇄회로기판의 이송장치{Transportation system of a printed circuit board}Transport system of a printed circuit board

본 발명은 인쇄회로기판의 이송장치에 관한 것으로, 보다 더 상세하게는 저항, 콘덴서, 다이오드 등의 각종 소자들이 실장된 인쇄회로기판을 고정하여 촬영한 다음, 인쇄회로기판을 절단공정으로 이송하며, 상기 촬영된 화성데이터를 절단공정으로 이송하여 이송중에 발생하는 위치변화에 따른 촬영오차를 감소시키고, 반복 촬영시에도 촬영위치의 정밀도를 향상시키기 위한 인쇄회로기판의 이송장치에 관한 것이다.The present invention relates to a transfer device for a printed circuit board, and more particularly, to fix the printed circuit board mounted with various elements such as resistors, capacitors, diodes, etc., and then transfer the printed circuit board to the cutting process, The present invention relates to a transfer device of a printed circuit board for transferring the photographed harmonic data to a cutting process to reduce a photographing error caused by a change in position generated during conveyance and to improve the accuracy of photographing positions even during repeated photographing.

일반적으로 인쇄회로기판은 한 장의 큰 기판으로 형성되어 있으며, 이 기판 위에 전기회로 블록을 형성하는 배선패턴을 복수개로 형성하고, 상기 배선패턴이 형성되어 있는 기판 상에 저항, 콘덴서, 다이오드, 트랜지터 및 각종 IC 칩들을 실장한 후 각 전기회로 블록마다 인쇄회로기판을 절단함으로써 TV, VCR 등의 각종 가전제품의 신호처리부품이나 제어부품으로 사용된다.In general, a printed circuit board is formed of one large substrate, and a plurality of wiring patterns forming an electric circuit block are formed on the substrate, and a resistor, a capacitor, a diode, and a transistor are formed on the substrate on which the wiring pattern is formed. And by cutting various printed circuit boards for each electric circuit block after mounting various IC chips, they are used as signal processing parts and control parts of various home appliances such as TVs and VCRs.

종래에는 인쇄회로 기판에 다수개의 소자들을 실장하는 자삽공정, 마운팅 공정 등을 마친 인쇄회로 기판을 회전 절단 칼날을 형성한 절단장치로 이송하고, 상기 절단장치로 이송되어진 인쇄회로기판과 절단기를 상대적으로 이동시킴으로써 인쇄회로기판이 절단면을 따라 절단되도록 하였다.In the related art, a printed circuit board having a self-insertion process and a mounting process for mounting a plurality of elements on a printed circuit board is transferred to a cutting device having a rotary cutting blade, and the printed circuit board and the cutter transferred to the cutting device are relatively moved. By moving, the printed circuit board was cut along the cut surface.

그리고, 인쇄회로기판의 절단은 절단면을 따라 충분히 정밀하게 수행하지 않으면 안되기 때문에 인쇄회로기판과 절단장치를 상대적으로 이동시키기 전에 인쇄회로기판의 표면 화상을 정밀 촬영수단으로 촬영하고, 절단장치는 이 촬영화상을 분석하여 인쇄회로기판에서의 절단면의 위치를 인식한 후, 절단면과 절단장치의 위치를 맞추었다.Since the cutting of the printed circuit board must be performed with sufficient precision along the cutting surface, the surface image of the printed circuit board is photographed by the precision photographing means before the printed circuit board and the cutting device are relatively moved. After analyzing the image to recognize the position of the cut surface on the printed circuit board, the cut surface is aligned with the position of the cutting device.

그러나, 종래에는 인쇄회로기판를 절단장치에 이송하는 중에 인쇄회로기판의 표면을 촬영하기 때문에 인쇄회로기판의 촬영위치가 부정확하고, 절단장치는 부정확한 촬영화성을 분석하여 인쇄회로기판의 절단면과 위치를 맞추기 때문에 절단이 부정확하고, 불량률이 높다는 문제점이 있었다.However, conventionally, since the surface of the printed circuit board is photographed while transferring the printed circuit board to the cutting device, the photographing position of the printed circuit board is incorrect, and the cutting device analyzes the inaccurate photographic nature to determine the cut surface and the position of the printed circuit board. There was a problem in that the cutting was incorrect and the defective rate was high.

본 발명은 전술한 바와 같은 문제점을 감안하여 안출한 것으로, 그 목적은 인쇄회로기판의 표면을 촬영하기 위해 상기 인쇄회로기판을 고정시킴으로써 이송중에 발생하는 위치변화에 따른 촬영오차를 감소시키고, 인쇄회로기판의 표면을 촬영한 화상 데이터의 정밀도를 향상시킴으로써 인쇄회로기판의 절단시 발생하는 촬영오차에 의한 불량률을 감소시키기 위한 것이다.SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object thereof is to fix the printed circuit board to photograph the surface of the printed circuit board, thereby reducing a photographing error due to a change in position generated during transfer, and printing a printed circuit. By improving the accuracy of image data photographing the surface of the substrate, it is to reduce the defective rate due to the photographing error generated when the printed circuit board is cut.

도 1은 본 발명의 일 실시예에 따른 인쇄회로기판의 이송장치를 도시한 사시도이다.1 is a perspective view showing a transfer device of a printed circuit board according to an embodiment of the present invention.

도 2는 본 발명의 일 실시예에 따른 인쇄회로기판의 이송장치를 도시한 평면도이다.2 is a plan view showing a transfer device of a printed circuit board according to an embodiment of the present invention.

도 3은 본 발명의 일 실시예에 따른 인쇄회로기판의 이송장치에 배열되어 있는 전자적 구성요소를 도시한 블록도이다.3 is a block diagram illustrating electronic components arranged in a transfer apparatus of a printed circuit board according to an exemplary embodiment of the present invention.

*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

1 : 삽입홈 2 : 인쇄회로기판1: Insertion groove 2: Printed circuit board

10, 10' : 프레임 11 : 원형레일10, 10 ': Frame 11: Round rail

20, 20' : 가이드레일 30, 30' : 고정판20, 20 ': guide rail 30, 30': fixed plate

31 : 돌기 40 : 전자회로부31: projection 40: electronic circuit portion

41 : 촬영부 42 : 메모리부41: recording unit 42: memory unit

43 : 출력부43: output unit

상기의 목적을 달성하기 위한 본 발명의 구성은 다음과 같이 이루어져 있다.The configuration of the present invention for achieving the above object is made as follows.

다수개의 원형레일들이 회전되도록 고정되어 있는 한쌍의 프레임과, 상기 한쌍의 프레임 사이에 형성되며, 양끝단에 다수개의 삽입공이 형성되어 있는 인쇄회로기판을 안내하는 한쌍의 가이드 레일로 이루어지는 인쇄회로기판의 이송장치에 있어서,A printed circuit board comprising a pair of frames fixed to rotate a plurality of circular rails, and a pair of guide rails formed between the pair of frames and guiding a printed circuit board having a plurality of insertion holes formed at both ends thereof. In the conveying device,

상기 프레임의 중심부에 형성되며, 상기 인쇄회로기판의 삽입공에 삽입되는다수개의 돌기가 형성되어 있는 한 쌍의 고정판과;A pair of fixing plates formed at the center of the frame and having a plurality of protrusions inserted into the insertion holes of the printed circuit board;

상기 고정판에 형성되어 있는 돌기들에 의해 고정되어 있는 인쇄회로기판의 표면을 정밀하게 촬영하는 촬영부와, 상기 촬영부에서 촬영한 화상 데이터를 저장하는 메모리부와, 상기 인쇄회로기판의 삽입홈에 상기 고정판의 돌기를 맞추어 정밀하게 촬영하고, 촬영된 화상데이터를 외부로 출력하기 위한 전반적이 동작을 제어하는 제어부와, 상기 제어부의 제어신호에 따라 상기 메모리부에 저장되어 있는 화상 데이터를 외부로 출력하는 출력부를 형성한 전자회로부를 포함하는 것을 특징으로 한다.A photographing unit for accurately photographing the surface of the printed circuit board fixed by the protrusions formed on the fixing plate, a memory unit for storing image data photographed by the photographing unit, and an insertion groove of the printed circuit board. The controller controls the overall operation for precisely capturing the projection of the fixed plate and outputting the photographed image data to the outside, and outputs the image data stored in the memory to the outside according to the control signal of the controller. Characterized in that it comprises an electronic circuit portion formed with an output unit.

이하, 첨부된 도면을 참고로 하여 본 발명의 바람직한 일 실시예를 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 일 실시예에 따른 인쇄회로기판의 이송장치를 도시한 사시도이다.1 is a perspective view showing a transfer device of a printed circuit board according to an embodiment of the present invention.

도 2는 본 발명의 일 실시예에 따른 인쇄회로기판의 이송장치를 도시한 평면도이다.2 is a plan view showing a transfer device of a printed circuit board according to an embodiment of the present invention.

도 3은 본 발명의 일 실시예에 따른 인쇄회로기판의 이송장치에 배열되어 있는 전자적 구성요소를 도시한 블록도이다.3 is a block diagram illustrating electronic components arranged in a transfer apparatus of a printed circuit board according to an exemplary embodiment of the present invention.

도 1을 참조하면, 본 발명의 인쇄회로기판의 이송장치는 다수개의 원형레일(11)들이 회전되도록 고정되어 있는 한쌍의 프레임(10, 10')과, 상기 한쌍의 프레임(10, 10') 사이에 평형하게 형성되어 양 끝단에 다수개의 삽입홈(1)을 형성한 인쇄회로기판(2)을 안내하는 한쌍의 가이드 레일(20, 20')과, 상기 한쌍의 프레임(10, 10')의 중심부에서 외측으로 형성되어 상기 한쌍의 가이드 레일(20, 20')에 의해 안내된 인쇄회로기판(2)을 고정하는 한 쌍의 고정판(30, 30')과, 상기 한쌍의 고정판(30, 30')에 고정되어 있는 인쇄회로기판(2)의 표면을 촬영하여 그 화상 데이터를 외부로 출력하는 전자 회로부(40)로 구성되어져 있다.Referring to FIG. 1, a transfer apparatus of a printed circuit board of the present invention includes a pair of frames 10 and 10 ′ in which a plurality of circular rails 11 are rotated, and the pair of frames 10 and 10 ′. A pair of guide rails 20 and 20 'formed in a balanced manner and guiding the printed circuit board 2 having a plurality of insertion grooves 1 formed at both ends, and the pair of frames 10 and 10'. A pair of fixing plates 30 and 30 'formed outward from a central portion of the center to fix the printed circuit board 2 guided by the pair of guide rails 20 and 20', and the pair of fixing plates 30 And the electronic circuit portion 40 which photographs the surface of the printed circuit board 2 fixed to the surface 30 'and outputs the image data to the outside.

상기 한쌍의 고정판(30, 10')은 상기 한쌍의 가이드 레일(20, 20')에 의해 안내된 인쇄회로기판(2)의 양끝단에 형성되어 있는 삽입홈(1)에 삽입되는 다수개의 돌기(31)들을 형성한다.The pair of fixing plates 30 and 10 'are provided with a plurality of protrusions inserted into insertion grooves 1 formed at both ends of the printed circuit board 2 guided by the pair of guide rails 20 and 20'. Form (31).

전자 회로부(40)는 도 3과 같이 상기 한쌍의 고정부(30, 30')에 형성되어 있는 다수개의 돌기(31)에 의해 고정되어 있는 인쇄회로기판(2)의 표면을 정밀하게 촬영하는 촬영부(41)와, 상기 촬영부(40)에서 촬영한 화상 데이터를 저장하는 메모리부(42)와, 상기 인쇄회로기판(2)의 삽입홈(1)에 상기 고정부(30, 30')의 돌기(31)를 맞추어 정밀하게 촬영하고, 촬영된 화상데이터를 외부로 출력하기 위한 전반적이 동작을 제어하는 제어부(43)와, 상기 제어부(43)의 제어신호에 따라 상기 메모리부(42)에 저장되어 잇는 화상 데이터를 외부로 출력하는 출력부(44)로 이루어져 있다.3, the electronic circuit unit 40 accurately photographs the surface of the printed circuit board 2 fixed by the plurality of protrusions 31 formed on the pair of fixing units 30 and 30 ′ as shown in FIG. 3. The fixing part 30, 30 ′ in the part 41, the memory part 42 storing the image data photographed by the photographing part 40, and the insertion groove 1 of the printed circuit board 2. Control unit 43 for controlling the overall operation for precisely photographing and outputting the captured image data to the outside, and the memory unit 42 according to a control signal of the control unit 43. And an output unit 44 for outputting image data stored in the controller to the outside.

상기와 같이 이루어지는 본 발명의 동작을 설명하면 다음과 같다.Referring to the operation of the present invention made as described above are as follows.

먼저, 이전 공정에서 배선패턴이 복수개로 형성되어 있는 한 장의 큰 기판 상에 저항, 콘덴서, 다이오드, 트랜지터 및 각종 IC 칩들이 실장되고, 양끝단에 삽입공(1)이 형성되어 있는 인쇄회로기판(2)을 이송로(미도시)를 따라 이송시키면, 상기 인쇄회로기판(2)은 한 쌍의 프레임(10, 10')에 형성되어 있는 원형레일(11)을회전시키면서 한쌍의 가이드 레일(20, 20')을 따라 이동하게 된다.First, a printed circuit board in which resistors, capacitors, diodes, transistors, and various IC chips are mounted on a single large substrate on which a plurality of wiring patterns are formed in the previous step, and insertion holes 1 are formed at both ends. When 2 is moved along a conveying path (not shown), the printed circuit board 2 rotates the circular rails 11 formed on the pair of frames 10 and 10 ', and a pair of guide rails ( 20, 20 ').

이때, 상기 인쇄회로기판(2)에 형성되어 있는 삽입홈(1)은 한쌍의 고정부(30, 30')의 돌기(31)에 삽입된다.At this time, the insertion groove 1 formed in the printed circuit board 2 is inserted into the projections 31 of the pair of fixing parts 30 and 30 '.

이어서, 전자회로부(40)의 제어부(43)는 제어신호를 촬영부(41)에 출력하고, 상기 촬영부(41)는 상기 인쇄회로기판(2)의 표면을 촬영하여 그 화상 데이터를 전자회로부(40)의 메모리부(42)에 저장한다.Subsequently, the control section 43 of the electronic circuit section 40 outputs a control signal to the photographing section 41, and the photographing section 41 photographs the surface of the printed circuit board 2 and outputs the image data thereof. The memory unit 42 stores the memory unit 42 at 40.

따라서, 전자회로부(40)의 촬영부(41)에 의해 촬영되는 인쇄회로기판(2)의 위치가 한쌍의 고정부(30, 30')에 의해 고정됨으로써 촬영오차 범위를 감소시키고, 반복 촬영시에도 인쇄회로기판(2)의 촬영 위치의 정밀도를 향상시킬 수 있다.Therefore, the position of the printed circuit board 2 photographed by the photographing section 41 of the electronic circuit section 40 is fixed by the pair of fixing sections 30 and 30 ', thereby reducing the photographing error range, and during repeated photographing. Also, the accuracy of the photographing position of the printed circuit board 2 can be improved.

이후, 상기 전자회로부(40)의 제어부(43)는 제어신호를 출력부(44)에 출력하여 상기 메모리부(42)에 저장되어 있는 화상 데이터를 절단장치(미도시)에 출력하고, 상기 한쌍의 고정부(30, 30')에 고정되어 있는 인쇄회로기판(2)을 이송로를 따라 상기 절단장치로 이송한다.Thereafter, the control unit 43 of the electronic circuit unit 40 outputs a control signal to the output unit 44 to output image data stored in the memory unit 42 to a cutting device (not shown), and the pair The printed circuit board 2, which is fixed to the fixing portions 30 and 30 ', is transferred to the cutting device along a transfer path.

이때, 상기 절단장치는 상기 전자회로부(40)의 출력부(44)에서 출력되는 화상 데이터를 분석하여 상기 인쇄회로기판의 절단면의 위치를 인식하고, 절단면의 위치에 따른 인쇄회로기판의 상대적 위치를 정하여 상기 절단장치와 인쇄회로기판의 위치를 정밀하게 맞춘 후, 상기 절단장치의 칼날로 절단한다.At this time, the cutting device analyzes the image data output from the output unit 44 of the electronic circuit unit 40 to recognize the position of the cut surface of the printed circuit board, and determine the relative position of the printed circuit board according to the position of the cut surface. After precisely aligning the position of the cutting device and the printed circuit board, and cut with a blade of the cutting device.

따라서, 한쌍의 고정부(30, 30')에 고정되어 있는 인쇄회로기판(2)의 표면을 촬영한 화상 데이터를 절단장치에 출력하고, 상기 절단장치는 이 화상 데이터를 분석하여 인쇄회로기판(2)과 절단장치의 위치를 맞춤으로써 보다 정밀하게 인쇄회로기판(2)을 절단할 수 있다.Therefore, image data obtained by photographing the surface of the printed circuit board 2 fixed to the pair of fixing parts 30 and 30 'is output to the cutting device, and the cutting device analyzes the image data to print the printed circuit board ( By aligning 2) with the position of the cutting device, the printed circuit board 2 can be cut more precisely.

이상에서 설명한 바와 같이 본 발명은 인쇄회로기판 양끝단에 형성되어 있는 다수개의 삽입공을 고정부에 형성되어 있는 돌기에 삽입하여 상기 인쇄회로기판을 고정부에 고정시킨 다음, 상기 인쇄회로기판의 표면을 촬영하고, 상기와 같이 촬영된 화상데이터를 절단장치에 전송하여 인쇄회로기판과 절단장치의 상대적 위치를 맞춤으로써 인쇄회로기판의 절단면을 따라 정밀하게 절단할 수 있으며, 상기 인쇄회로기판의 촬영오차에 의한 불량률을 감소시켜 생산성을 향상시킨다.As described above, the present invention inserts a plurality of insertion holes formed at both ends of the printed circuit board into the projections formed on the fixing portion to fix the printed circuit board to the fixing portion, and then the surface of the printed circuit board. By cutting the above-mentioned image data and transmitting the photographed image data to the cutting device to adjust the relative position of the printed circuit board and the cutting device, it is possible to precisely cut along the cut surface of the printed circuit board, the photographing error of the printed circuit board Improves productivity by reducing defective rate.

Claims (1)

다수개의 원형레일(11)들이 회전되도록 고정되어 있는 한쌍의 프레임(10, 10')과, 상기 한쌍의 프레임(10, 10') 사이에 형성되며, 양끝단에 다수개의 삽입공(1)이 형성되어 있는 인쇄회로기판(2)을 안내하는 한쌍의 가이드 레일(20, 20')로 이루어지는 인쇄회로기판의 이송장치에 있어서,A plurality of circular rails 11 are formed between a pair of frames 10 and 10 'fixed to be rotated and the pair of frames 10 and 10', and a plurality of insertion holes 1 are formed at both ends. In the conveying apparatus of the printed circuit board which consists of a pair of guide rails 20 and 20 'which guide the formed printed circuit board 2, 상기 프레임(10, 10')의 중심부에 형성되며, 상기 인쇄회로기판(2)의 삽입공(1)에 삽입되는 다수개의 돌기(31)가 형성되어 있는 한 쌍의 고정판(30, 30')과;A pair of fixing plates 30 and 30 'formed at the center of the frame 10 and 10' and having a plurality of protrusions 31 inserted into the insertion hole 1 of the printed circuit board 2. and; 상기 고정판(30, 30')에 형성되어 있는 돌기들(1)에 의해 고정되어 있는 인쇄회로기판(2)의 표면을 정밀하게 촬영하는 촬영부(41)와, 상기 촬영부(41)에서 촬영한 화상 데이터를 저장하는 메모리부(42)와, 상기 인쇄회로기판(2)의 삽입홈(1)에 상기 고정판(30, 30')의 돌기(31)를 맞추어 정밀하게 촬영하고, 촬영된 화상데이터를 외부로 출력하기 위한 전반적이 동작을 제어하는 제어부(43)와, 상기 제어부(43)의 제어신호에 따라 상기 메모리부(42)에 저장되어 있는 화상 데이터를 외부로 출력하는 출력부(44)를 형성한 전자회로부(40)를 포함하는 것을 특징으로 하는 인쇄회로기판의 이송장치.A photographing unit 41 for accurately photographing the surface of the printed circuit board 2 fixed by the protrusions 1 formed on the fixing plates 30 and 30 ', and photographing by the photographing unit 41. The photographed image is precisely photographed by fitting the memory unit 42 storing one image data and the projection 31 of the fixing plates 30 and 30 'to the insertion groove 1 of the printed circuit board 2. The control unit 43 for controlling the overall operation for outputting the data to the outside, and the output unit 44 for outputting the image data stored in the memory unit 42 to the outside in accordance with the control signal of the control unit 43 Transfer device for a printed circuit board, characterized in that it comprises an electronic circuit portion (40) formed.
KR1020020029073A 2002-05-25 2002-05-25 Transportation system of a printed circuit board KR20030091204A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930006105A (en) * 1991-09-06 1993-04-20 원본미기재 Aromatic Polyester Melt Strength Enhancer
JPH06318800A (en) * 1993-05-07 1994-11-15 Toshiba Corp Component mounter
KR970008478A (en) * 1995-07-14 1997-02-24 김광호 Device Separator Formation Method
JPH10200299A (en) * 1997-01-06 1998-07-31 Matsushita Electric Ind Co Ltd Method and apparatus for positioning printed board

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930006105A (en) * 1991-09-06 1993-04-20 원본미기재 Aromatic Polyester Melt Strength Enhancer
JPH06318800A (en) * 1993-05-07 1994-11-15 Toshiba Corp Component mounter
KR970008478A (en) * 1995-07-14 1997-02-24 김광호 Device Separator Formation Method
JPH10200299A (en) * 1997-01-06 1998-07-31 Matsushita Electric Ind Co Ltd Method and apparatus for positioning printed board

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