KR100516492B1 - 와이어 본딩방법 및 장치 - Google Patents
와이어 본딩방법 및 장치 Download PDFInfo
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- KR100516492B1 KR100516492B1 KR10-2002-0073735A KR20020073735A KR100516492B1 KR 100516492 B1 KR100516492 B1 KR 100516492B1 KR 20020073735 A KR20020073735 A KR 20020073735A KR 100516492 B1 KR100516492 B1 KR 100516492B1
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- capillary
- image
- wire bonding
- position detecting
- ball
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Abstract
Description
Claims (15)
- 와이어가 삽입 통과되고 워크에 본딩을 행하는 캐필러리와, 워크를 촬상하는 위치 검출용 카메라를 구비한 와이어 본딩장치에서의 와이어 본딩방법에 있어서, 상기 캐필러리 하단근방의 상을 상기 위치검출용 카메라로 유도하여 상기 상의 화상을 취득하고, 이 화상을 처리하여, 캐필러리의 하단으로 뻗어있는 와이어에 형성된 볼 직경의 측정, 캐필러리의 하단으로 뻗어있는 테일길이의 측정, 캐필러리 하면으로부터의 볼 위치의 측정, 테일의 구부러짐의 검지, 캐필러리의 외관검사, 캐필러리에 초음파 진동을 부여했을 때의 진폭의 적어도 1개를 구하는 것을 특징으로 하는 와이어 본딩방법.
- 와이어가 삽입 통과되고 워크에 본딩을 행하는 캐필러리와, 워크를 촬상하는 위치 검출용 카메라를 구비한 와이어 본딩장치에 있어서, 상기 캐필러리 하단근방의 상을 상기 위치 검출용 카메라로 유도하는 광로변환수단을 설치하고, 상기 위치 검출용 카메라로 취득한 상기 상의 화상을 처리하여, 캐필러리의 하단으로 뻗어있는 와이어에 형성된 볼 직경의 측정, 캐필러리의 하단으로 뻗어있는 테일길이의 측정, 캐필러리 하면으로부터의 볼 위치의 측정, 테일의 구부러짐의 검지, 캐필러리의 외관검사, 캐필러리에 초음파 진동을 부여했을 때의 진폭의 적어도 1개를 구하는 것을 특징으로 하는 와이어 본딩장치.
- 제 1 항에 있어서, 상기 위치 검출용 카메라로 입력한 화상을 데이터 처리수단에 의해 처리하고, 양부판단을 행한 후, 불량의 경우에 경고수단에 의해 경고하는 것을 특징으로 하는 와이어 본딩방법.
- 제 1 항에 있어서, 상기 위치 검출용 카메라로 입력한 화상의 볼 직경, 테일길이, 캐필러리 하면으로부터의 볼 위치의 데이터를 데이터 처리수단에 의해 처리하고, 전기 토치의 제어회로 또는 트랜스듀서의 제어회로 또는 와이어 끌어올림기능 제어회로에 피드백하는 것을 특징으로 하는 와이어 본딩방법.
- 제 2 항에 있어서, 상기 광로변환수단은, 상기 위치 검출용 카메라에 설치된 렌즈와의 조합으로 아포칼계를 구성하는 렌즈를 가지는 것을 특징으로 하는 와이어 본딩장치.
- 제 1 항에 있어서, 상기 볼 직경, 캐필러리 하면으로부터의 볼 위치의 측정 및 테일길이의 측정을 위해, 미리 상기 위치 검출용 카메라의 촬상소자의 1 화소가 측정하는 물체면에서 어느 정도의 크기에 상당하는지의 캐리브레이션을 행하여 두는 것을 특징으로 하는 와이어 본딩방법.
- 제 6 항에 있어서, 상기 캐리브레이션은, 캐필러리를 이동시켰을 때의 이동량과, 상기 위치 검출용 카메라로 취득한 화상 위의 상기 캐필러리의 이동량에 의해서, 1 화소당 실제의 길이를 산출하여 처리하는 것을 특징으로 하는 와이어 본딩 방법.
- 제 6 항에 있어서, 상기 캐리브레이션은, 캐필러리와 동시에 상기 위치 검출용 카메라로 취득하는 기준부재를 설치하고, 상기 위치 검출용 카메라로 취득한 기준부재의 화상 위에 의해서, 1 화소당 실제의 길이를 산출하여 처리하는 것을 특징으로 하는 와이어 본딩방법.
- 제 6 항에 있어서, 상기 캐리브레이션은, 캐필러리와 동시에 상기 위치 검출용 카메라로 취득하는 기준부재를 설치하고, 캐필러리를 이동시켰을 때의 이동량과, 상기 위치 검출용 카메라로 취득한 화상 위의 상기 캐필러리의 기준부재와의 차이에 의해서, 1 화소당 실제의 길이를 산출하여 처리하는 것을 특징으로 하는 와이어 본딩방법.
- 제 2 항에 있어서, 상기 위치 검출용 카메라로 입력한 화상을 데이터 처리수단에 의해 처리하고, 양부판단을 행한 후, 불량의 경우에 경고수단에 의해 경고하는 것을 특징으로 하는 와이어 본딩장치.
- 제 2 항에 있어서, 상기 위치 검출용 카메라로 입력한 화상의 볼 직경, 테일길이, 캐필러리 하면으로부터의 볼 위치의 데이터를 데이터 처리수단에 의해 처리하고, 전기 토치의 제어회로 또는 트랜스듀서의 제어회로 또는 와이어 끌어올림기능 제어회로에 피드백하는 것을 특징으로 하는 와이어 본딩장치.
- 제 2 항에 있어서, 상기 볼 직경, 캐필러리 하면으로부터의 볼 위치의 측정 및 테일길이의 측정을 위해, 미리 상기 위치 검출용 카메라의 촬상소자의 1 화소가 측정하는 물체면에서 어느 정도의 크기에 상당하는지의 캐리브레이션을 행하여 두는 것을 특징으로 하는 와이어 본딩장치.
- 제 12 항에 있어서, 상기 캐리브레이션은, 캐필러리를 이동시켰을 때의 이동량과, 상기 위치 검출용 카메라로 취득한 화상 위의 상기 캐필러리의 이동량에 의해서, 1 화소당 실제의 길이를 산출하여 처리하는 것을 특징으로 하는 와이어 본딩장치.
- 제 12 항에 있어서, 상기 캐리브레이션은, 캐필러리와 동시에 상기 위치 검출용 카메라로 취득하는 기준부재를 설치하고, 상기 위치 검출용 카메라로 취득한 기준부재의 화상 위에 의해서, 1 화소당 실제의 길이를 산출하여 처리하는 것을 특징으로 하는 와이어 본딩장치.
- 제 12 항에 있어서, 상기 캐리브레이션은, 캐필러리와 동시에 상기 위치 검출용 카메라로 취득하는 기준부재를 설치하고, 캐필러리를 이동시켰을 때의 이동량과, 상기 위치 검출용 카메라로 취득한 화상 위의 상기 캐필러리의 기준부재와의 차이에 의해서, 1 화소당 실제의 길이를 산출하여 처리하는 것을 특징으로 하는 와이어 본딩장치.
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JP2001360217A JP3802403B2 (ja) | 2001-11-27 | 2001-11-27 | ワイヤボンディング方法及び装置 |
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US (1) | US6945446B2 (ko) |
JP (1) | JP3802403B2 (ko) |
KR (1) | KR100516492B1 (ko) |
TW (1) | TW563216B (ko) |
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US6945446B2 (en) | 2005-09-20 |
JP3802403B2 (ja) | 2006-07-26 |
KR20030043717A (ko) | 2003-06-02 |
TW563216B (en) | 2003-11-21 |
US20030098426A1 (en) | 2003-05-29 |
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