KR102369934B1 - 칩 실장장치 및 이를 이용한 칩 실장방법 - Google Patents
칩 실장장치 및 이를 이용한 칩 실장방법 Download PDFInfo
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- KR102369934B1 KR102369934B1 KR1020170079749A KR20170079749A KR102369934B1 KR 102369934 B1 KR102369934 B1 KR 102369934B1 KR 1020170079749 A KR1020170079749 A KR 1020170079749A KR 20170079749 A KR20170079749 A KR 20170079749A KR 102369934 B1 KR102369934 B1 KR 102369934B1
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
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Abstract
Description
도 4b는 웨이퍼 상의 복수의 칩들을 테스트하여 준비한 제1 매핑 데이터의 일 예이다.
도 6b는 도 6a의 A부분을 확대한 도면이다.
도 7b는 도 7a의 C부분을 확대한 도면이다.
도 8은 본 발명의 일 실시예에 따른 칩 실장장치의 블럭도이다.
20: 테스트부
30: 데이터 저장부
40: 구동부
100: 제1 기판
110: 투광성 지지 기판
120: 희생층
130: 칩
131: 패키지 몸체
132, 133: 제1 및 제2 전극
200: 제2 기판
210: 실장 기판
221, 222: 제1 및 제2 회로 배선
231, 232: 솔더층
300: 제1 레이저 광원부
400: 제2 레이저 광원부
Claims (10)
- 대향하는 제1 및 제2 면을 갖는 투광성 기판, 상기 제1 면에 도포된 희생층 및 상기 희생층 상에 부착된 복수의 칩들을 포함하는 제1 기판을 준비하는 단계;
상기 복수의 칩들을 테스트하여, 상기 복수의 칩들 중 정상 칩들과 불량 칩들의 좌표를 정의하는 제1 매핑 데이터를 준비하는 단계;
상기 제1 면의 하부에, 솔더층이 도포된 일면을 갖는 제2 기판을 배치하는 단계;
상기 제1 매핑 데이터에 따른 상기 정상 칩들의 좌표에 대응되는 위치에서, 상기 투광성 기판의 제2 면으로부터 제1 레이저빔을 선택적으로 조사하여 상기 희생층을 제거함으로써, 상기 정상 칩들을 상기 투광성 기판에서 분리시켜 상기 제2 기판 상에 배치하는 단계; 및
상기 솔더층에 제2 레이저빔을 조사하여, 상기 정상 칩들을 상기 제2 기판에 실장하는 단계를 포함하는 칩 실장방법.
- 제1 항에 있어서,
상기 제1 레이저빔은 상기 제2 레이저빔보다 고에너지의 레이저빔인 것을 특징으로 하는 칩 실장방법.
- 제1항에 있어서,
상기 제1 레이저빔은 UV레이저빔(ultra violet laser beam)이고, 상기 제2 레이저빔은 IR레이저빔(infrared ray laser beam)인 것을 특징으로 하는 칩 실장방법.
- 제1항에 있어서,
상기 제1 레이저빔은 상기 복수의 칩 중 하나의 폭에 대응되는 빔폭을 가지며, 탑-햇(top-hat) 모양의 레이저 빔프로파일을 갖는 것을 특징으로 하는 칩 실장방법.
- 제1항에 있어서,
상기 정상 칩들을 상기 제2 기판 상에 배치하는 단계는,
상기 제1 레이저빔이 조사된 상기 희생층의 영역이 기화하여 제거됨으로써, 상기 정상 칩들이 상기 제2 기판 방향으로 하강하는 것을 특징으로 하는 칩 실장방법.
- 제1항에 있어서,
상기 제2 레이저빔은 상기 제2 기판의 일면에 대향하는 타면으로부터 조사되는 것을 특징으로 하는 칩 실장방법.
- 제1항에 있어서,
상기 제2 레이저빔은 상기 투광성 기판의 제2 면으로부터 조사되는 것을 특징으로 하는 칩 실장방법.
- 제1항에 있어서,
상기 제2 레이저빔을 조사하는 단계 전에,
상기 제2 기판 상에 배치된 상기 정상 칩들의 정렬 상태를 확인하여 오정렬된 칩들의 좌표를 정의하는 제2 매핑 데이터를 준비하는 단계를 더 포함하는 것을 특징으로 하는 칩 실장방법.
- 제8항에 있어서,
상기 제2 매핑 데이터에 의해 정의된 오정렬된 칩들의 좌표에 위치된 칩을 제거하는 단계를 더 포함하는 것을 특징으로 하는 칩 실장방법.
- 희생층에 의해 제1 기판에 부착된 복수의 칩들을 테스트하여, 상기 복수의 칩들 중 정상 칩들과 불량 칩들의 좌표를 정의하는 매핑 데이터를 준비하는 테스트부;
상기 매핑 데이터에 기초하여, 상기 정상 칩들이 부착된 영역에 제1 레이저빔을 조사하여 상기 희생층을 제거함으로써, 상기 정상 칩들을 상기 제1 기판에서 분리하는 제1 레이저 광원부; 및
분리된 상기 정상 칩들이 안착되는 제2 기판에 제2 레이저 빔을 조사함으로써, 상기 정상 칩들을 상기 제2 기판에 실장하는 제2 레이저 광원부;를 포함하는 칩 실장장치.
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