KR20220019370A - 본딩 장치 및 본딩 방법 - Google Patents
본딩 장치 및 본딩 방법 Download PDFInfo
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- KR20220019370A KR20220019370A KR1020200099712A KR20200099712A KR20220019370A KR 20220019370 A KR20220019370 A KR 20220019370A KR 1020200099712 A KR1020200099712 A KR 1020200099712A KR 20200099712 A KR20200099712 A KR 20200099712A KR 20220019370 A KR20220019370 A KR 20220019370A
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Abstract
Description
도 2는 본 발명의 실시예에 따른 본딩 설비 내 본딩 처리 장치의 개략적인 구조를 도시한다.
도 3 및 도 4는 본 발명의 실시예에 따른 본딩 장치 및 본딩 장치에서의 온도 센서의 배치의 예를 도시한다.
도 5는 본 발명의 실시예에 따른 본딩 방법을 나타내는 흐름도이다.
Claims (20)
- 본딩 장치에 있어서,
기판이 안착되는 스테이지;
상기 스테이지의 상부에 설치되는 갠트리;
상기 갠트리를 따라 이동하며 상기 기판 상에 칩을 본딩하는 본딩 유닛;
상기 본딩 유닛을 상기 기판 상의 본딩 위치에 위치시키기 위해 상기 본딩 유닛을 이동시키고, 상기 본딩 위치에 칩을 본딩하도록 본딩 유닛을 제어하는 제어부를 포함하고,
상기 제어부는 상기 본딩 유닛의 연속 구동 횟수 및 유휴 시간의 가중합에 기반하여 상기 본딩 유닛의 이동 거리를 결정하는 것을 특징으로 하는 본딩 장치.
- 제1항에 있어서,
상기 제어부는 상기 본딩 유닛의 연속 구동 횟수에 대한 변수 및 유휴 시간에 대한 변수의 가중합에 오프셋 값이 더해진 선형 회귀식을 사용하여 상기 본딩 유닛의 이동 거리를 결정하는 것을 특징으로 하는 본딩 장치.
- 제2항에 있어서,
상기 제어부는 상기 기판 상의 칩에 대한 본딩 검사 결과에 기반하여 상기 연속 구동 횟수에 대한 변수에 적용되는 제1 가중치 및 상기 유휴 시간에 대한 변수에 적용되는 제2 가중치를 보정하는 것을 특징으로 하는 본딩 장치.
- 제3항에 있어서,
상기 제어부는 본딩 이후 검사 결과에 따른 본딩 오차의 변동폭이 기준 범위 이내일 때 상기 제1 가중치 및 상기 제2 가중치를 보정하는 것을 특징으로 하는 본딩 장치.
- 제3항에 있어서,
상기 제1 가중치 및 상기 제2 가중치는 최소 자승법(Least Square Approximation), ML(Maximum Likelihood) 추정, 또는 RANSAC(Random Sample Consensus)에 기반하여 결정되는 것을 특징으로 하는 본딩 장치.
- 제1항에 있어서,
상기 연속 구동 횟수는 상기 본딩 유닛이 유휴 시간 없이 기준 횟수 이상 본딩을 수행한 횟수에 해당하는 것을 특징으로 하는 본딩 장치.
- 제1항에 있어서,
상기 본딩 유닛이 대기 상태로 동작한 시간이 기준 시간을 초과한 경우, 상기 유휴 시간은 상기 기준 시간으로 결정되는 것을 특징으로 하는 본딩 장치.
- 본딩 방법에 있어서,
기판을 스테이지 상에 위치시키는 단계;
본딩 위치를 확인하는 단계;
상기 본딩 위치 상에 본딩 유닛를 위치시키기 위하여 상기 본딩 유닛를 이동시키는 단계;
상기 기판 상의 본딩 위치에 칩을 본딩하는 단계를 포함하고,
상기 본딩 유닛을 이동시키는 단계는,
상기 본딩 유닛의 연속 구동 횟수에 대한 변수 및 유휴 시간에 대한 변수의 가중합에 기반하여 상기 본딩 유닛의 이동 거리를 결정하는 단계를 포함하는 것을 특징으로 하는 본딩 방법.
- 제8항에 있어서,
상기 본딩 유닛의 이동 거리를 결정하는 단계는,
상기 본딩 유닛의 연속 구동 횟수에 대한 변수 및 유휴 시간에 대한 변수의 가중합에 오프셋 값이 더해진 선형 회귀식을 사용하여 상기 본딩 유닛의 이동 거리를 결정하는 단계를 포함하는 것을 특징으로 하는 본딩 방법.
- 제9항에 있어서,
상기 기판 상의 칩에 대한 본딩 검사 결과에 기반하여 상기 연속 구동 횟수에 대한 변수에 적용되는 제1 가중치 및 상기 유휴 시간에 대한 변수에 적용되는 제2 가중치를 보정하는 단계를 더 포함하는 것을 특징으로 하는 본딩 방법.
- 제10항에 있어서,
상기 제1 가중치 및 상기 제2 가중치를 보정하는 단계는,
본딩 이후 검사 결과에 따른 본딩 오차의 변동폭이 기준 범위 이내일 때 상기 제1 가중치 및 상기 제2 가중치를 보정하는 단계를 포함하는 것을 특징으로 하는 본딩 방법.
- 제10항에 있어서,
상기 제1 가중치 및 상기 제2 가중치는 최소 자승법(Least Square Approximation), ML(Maximum Likelihood) 추정, 또는 RANSAC(Random Sample Consensus)에 기반하여 결정되는 것을 특징으로 하는 본딩 방법.
- 제8항에 있어서,
상기 연속 구동 횟수는 상기 본딩 유닛이 유휴 시간 없이 기준 횟수 이상 본딩을 수행한 횟수에 해당하는 것을 특징으로 하는 본딩 방법.
- 제8항에 있어서,
상기 본딩 유닛이 대기 상태로 동작한 시간이 기준 시간을 초과한 경우, 상기 유휴 시간은 상기 기준 시간으로 결정되는 것을 특징으로 하는 본딩 방법.
- 본딩 설비에 있어서,
기판을 수용하는 용기가 안착되는 로딩부;
상기 로딩부에 안착된 용기로부터 상기 기판을 이송하는 기판 이송부;
상기 기판 이송부로부터 제공된 기판 상에 칩을 본딩하는 본딩 처리부;
상기 본딩 처리부에 의해 처리된 기판을 상기 기판 이송부로부터 수신하고, 상기 처리된 기판 상에 본딩된 칩들을 검사하는 검사부를 포함하고,
상기 본딩 처리부는,
기판이 안착되는 스테이지;
상기 스테이지의 상부에 설치되는 갠트리;
상기 갠트리를 따라 이동하며 상기 기판 상에 칩을 본딩하는 본딩 유닛;
상기 본딩 유닛을 상기 기판 상의 본딩 위치에 위치시키기 위해 상기 본딩 유닛을 이동시키고, 상기 본딩 위치에 칩을 본딩하도록 본딩 유닛을 제어하는 제어부를 포함하고,
상기 제어부는 상기 본딩 유닛의 연속 구동 횟수 및 유휴 시간의 가중합에 기반하여 상기 본딩 유닛의 이동 거리를 결정하는 것을 특징으로 하는 본딩 설비.
- 제15항에 있어서,
상기 제어부는 상기 본딩 유닛의 연속 구동 횟수 및 유휴 시간의 가중합에 오프셋 값이 더해진 선형 회귀식을 사용하여 상기 본딩 유닛의 이동 거리를 결정하는 것을 특징으로 하는 본딩 설비.
- 제16항에 있어서,
상기 제어부는 상기 기판 상의 칩에 대한 본딩 검사 결과에 기반하여 상기 연속 구동 횟수에 적용되는 제1 가중치 및 상기 유휴 시간에 적용되는 제2 가중치를 보정하는 것을 특징으로 하는 본딩 설비.
- 제17항에 있어서,
상기 제어부는 본딩 이후 검사 결과에 따른 본딩 오차의 변동폭이 기준 범위 이내일 때 상기 제1 가중치 및 상기 제2 가중치를 보정하는 것을 특징으로 하는 본딩 설비.
- 제15항에 있어서,
상기 연속 구동 횟수는 상기 본딩 유닛이 유휴 시간 없이 기준 횟수 이상 본딩을 수행한 횟수에 해당하는 것을 특징으로 하는 본딩 설비.
- 제15항에 있어서,
상기 본딩 유닛이 대기 상태로 동작한 시간이 기준 시간을 초과한 경우, 상기 유휴 시간은 상기 기준 시간으로 결정되는 것을 특징으로 하는 본딩 설비.
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