KR970032311A - Front and back side identification devices for circuit boards and boards with front and back identification marks - Google Patents

Front and back side identification devices for circuit boards and boards with front and back identification marks Download PDF

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Publication number
KR970032311A
KR970032311A KR1019950045737A KR19950045737A KR970032311A KR 970032311 A KR970032311 A KR 970032311A KR 1019950045737 A KR1019950045737 A KR 1019950045737A KR 19950045737 A KR19950045737 A KR 19950045737A KR 970032311 A KR970032311 A KR 970032311A
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KR
South Korea
Prior art keywords
circuit board
photoelectric switch
recognition mark
optical sensor
warning
Prior art date
Application number
KR1019950045737A
Other languages
Korean (ko)
Inventor
권오경
김영삼
유광수
한성찬
Original Assignee
김광호
삼성전자 주식회사
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.)
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Publication date
Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019950045737A priority Critical patent/KR970032311A/en
Publication of KR970032311A publication Critical patent/KR970032311A/en

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Abstract

본 발명은 표면 실장기술을 사용한 인쇄회로기판에 개별 전자소자를 실장하기 전에 회로기판의 앞/뒷면 바뀜이나 회로기판의 진행방향의 바뀜 불량을 사전에 검출하여 불량에 따른 손실을 보상하고 제품의 수율을 높이기 위한 것으로서 회로기판의 앞면과 뒷면 각각의 소정의 위치에는 금속 패드 형태를 갖는 인식표시를 형성하고, 이 인식표시를 감지할 수 있는 광 센서, 광전 스위치, 경고등을 구비하는 장치를 사용하여 스크린 프린터에 회로기판이 로딩되는 동안에 회로기판의 앞/뒷면 바뀜이나 회로기판의 진행방향의 바뀜불량을 검출하여 작업자에게 경고함으로써 불량으로 위치한 회로기판을 바로 잡아주는 것을 특징으로 한다.The present invention detects defects in the front / rear of the circuit board or a change in the advancing direction of the circuit board in advance before mounting the individual electronic devices on the printed circuit board using the surface mounting technology, thereby compensating the loss due to the failure and yielding the product. In order to increase the height of the circuit board, a predetermined mark formed on each of the front and rear surfaces of the circuit board has a metal pad shape, and a screen using a device including an optical sensor, a photoelectric switch, and a warning light capable of detecting the recognition mark is provided. While the circuit board is loaded in the printer, it detects a change in the front / back side of the circuit board or a change in the moving direction of the circuit board and warns the operator to correct the circuit board which is located in a bad state.

Description

앞뒷면 인식표시를 갖는 회로기판 및 기판의 앞뒷면 식별 장치Front and back side identification devices for circuit boards and boards with front and back identification marks

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1a도 및 제1b도는 각각 본 발명에 따른 인식표시를 갗는 인쇄회로기판의 앞면과 뒷면의 평면도.1A and 1B are plan views of the front and rear surfaces of a printed circuit board bearing recognition marks according to the present invention, respectively.

제 2 도는 본 발명에 따른 인식표시를 같는 인쇄회로기판을 스크린 프린터에 기판의 앞면을 기준으로 로딩할 때 기판의 앞/뒷면이 바뀌거나 진행방향이 바뀌는 불량을 검출하는 인식표지 식별 장치의 동작을 설명하기 위한 개략도.2 is a view illustrating an operation of a recognition mark identification device for detecting a defect in which a front / back side of a substrate is changed or a direction of travel is changed when a printed circuit board having the same recognition mark according to the present invention is loaded on a front surface of the substrate. Schematic for illustration.

Claims (8)

개별 전자소자를 실장하여 전기적으로 접속시키는 앞면과 뒷면을 갖는 회로기판으로서, 상기 회로기판의 앞면의 제1소정의 위치에는 금속으로 된 패드가 형성되어 있고 회로기판의 뒷면의 제2소정의 위치에는 금속으로된 패드가 형성되어 있어서 상기 기판의 앞면과 뒷면을 상기 금속 패드의 위치에 의해 식별할 수 있는 것을 특징으로 하는 회로기판.A circuit board having a front surface and a rear surface for mounting and electrically connecting individual electronic devices, wherein a first pad of the front surface of the circuit board is formed with a metal pad, and a second board of the back surface of the circuit board is provided at a second predetermined position. A pad made of metal is formed so that the front and rear surfaces of the substrate can be identified by the position of the metal pad. 제1항에 있어서, 상기 제1소정의 위치와 제2소정의 위치는 상기 회로기판의 앞면과 뒷면을 동일 평면상에 놓았을 때 반대 위치에 존재하는 것을 특징으로 하는 회로기판.2. The circuit board of claim 1, wherein the first predetermined position and the second predetermined position exist at opposite positions when the front and rear surfaces of the circuit board are placed on the same plane. 앞면과 뒷면에 각각 금속 패드로 이루어진 제1인식표시와 제2인식표시를 갖는 회로기판의 앞면과 뒷면을 인식하여 작업자에게 불량 발생을 경고할 수 있는 장치로서, 상기 인식표시가 존재하는 존재하지 않는지 감시하는 광 센서와, 상기 광 센서의 출력을 받아서 전기 신호를 출력하는 광전 스위치 및 상기 광전 스위치에서 전기 신호가 출력된 경우에 작동되는 경고등을 구비하는 것을 특징으로 하는 장치.Recognizing the front and back of the circuit board having the first recognition mark and the second recognition mark made of metal pads on the front and back, respectively, to warn the operator of the occurrence of defects, the presence of the recognition mark does not exist And an optical sensor for monitoring, a photoelectric switch for receiving an output of the optical sensor and outputting an electrical signal, and a warning light activated when an electrical signal is output from the photoelectric switch. 제3항에 있어서, 상기 제1인식표시와 상기 제2인식표시는 상기 회로기판의 앞면과 뒷면을 동일 평면상에 놓았을 경우 서로 반대쪽에 위치하는 것을 특징으로 하는 장치.The apparatus of claim 3, wherein the first recognition mark and the second recognition mark are located opposite to each other when the front and rear surfaces of the circuit board are placed on the same plane. 제4항에 있어서, 상기 장치는 상기 회로기판에 개별 전자소자를 실장하기 전에 회로기판의 패드에 솔더 패이스트를 도포하는 스크린 프린터에 로딩되기 전에 회로기판의 앞면과 뒷면 및 진행방향의 바뀜을 인식하여 경고하는 장치인 것을 특징으로 하는 장치.5. The apparatus of claim 4, wherein the device recognizes the front and back sides of the circuit board and the direction of travel before being loaded into a screen printer that applies solder paste to pads of the circuit board prior to mounting the individual electronics on the circuit board. Device for warning by warning. 제4항에 있어서, 상기 광센서는 상기 회로기판의 앞면에 대해서 작업을 하는 때와 뒷면에 대해서 작업을 하는 때에 동일한 위치에 있으며, 상기 광전 스위치는 그 동작이 변환되는 것을 특징으로 하는 장치.5. The apparatus of claim 4, wherein the optical sensor is in the same position when working on the front side and the back side of the circuit board, and the photoelectric switch is in operation. 제3항에 있어서, 상기 광 센서는 상기 회로기판의 앞면에 대해서 작업을 하는 때와 뒷면에 대해서 작업을 하는 때에 반대 위치에 있으며, 상기 광전 스위치는 그 동작이 일정한 것을 특징으로 하는 장치.4. The apparatus according to claim 3, wherein the optical sensor is in opposite position when working on the front side and the back side of the circuit board, and the photoelectric switch has a constant operation. 제3항에 있어서, 상기 경고등은 상기 광전 스위치에서 전기 신호를 출력하는 경우에 경고 불빛을 발생하는 동시에 경고음을 발생하는 것을 특징으로 하는 장치.The device of claim 3, wherein the warning light generates a warning light and a warning sound when the photoelectric switch outputs an electrical signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950045737A 1995-11-30 1995-11-30 Front and back side identification devices for circuit boards and boards with front and back identification marks KR970032311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950045737A KR970032311A (en) 1995-11-30 1995-11-30 Front and back side identification devices for circuit boards and boards with front and back identification marks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950045737A KR970032311A (en) 1995-11-30 1995-11-30 Front and back side identification devices for circuit boards and boards with front and back identification marks

Publications (1)

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KR970032311A true KR970032311A (en) 1997-06-26

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KR1019950045737A KR970032311A (en) 1995-11-30 1995-11-30 Front and back side identification devices for circuit boards and boards with front and back identification marks

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KR (1) KR970032311A (en)

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