KR101749762B1 - 칩 보유 지지용 테이프, 칩 형상 워크의 보유 지지 방법, 칩 보유 지지용 테이프를 사용한 반도체 장치의 제조 방법, 및 칩 보유 지지용 테이프의 제조 방법 - Google Patents
칩 보유 지지용 테이프, 칩 형상 워크의 보유 지지 방법, 칩 보유 지지용 테이프를 사용한 반도체 장치의 제조 방법, 및 칩 보유 지지용 테이프의 제조 방법 Download PDFInfo
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- KR101749762B1 KR101749762B1 KR1020100134415A KR20100134415A KR101749762B1 KR 101749762 B1 KR101749762 B1 KR 101749762B1 KR 1020100134415 A KR1020100134415 A KR 1020100134415A KR 20100134415 A KR20100134415 A KR 20100134415A KR 101749762 B1 KR101749762 B1 KR 101749762B1
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- chip
- adhesive layer
- pressure
- sensitive adhesive
- tape
- Prior art date
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Abstract
Description
도 2는 본 발명의 제1 실시 형태에 관한 다이싱ㆍ다이 본드 필름을 도시하는 단면 모식도.
도 3은 본 발명의 제1 실시 형태에 관한 반도체 장치를 도시하는 단면 모식도.
도 4는 본 발명의 제2 실시 형태에 관한 칩 보유 지지용 테이프를 도시하는 단면 모식도.
도 5는 본 발명의 제3 실시 형태에 관한 칩 보유 지지용 테이프를 도시하는 단면 모식도.
도 6은 본 발명의 제4 실시 형태에 관한 칩 보유 지지용 테이프를 도시하는 단면 모식도.
12, 62, 72, 82: 기재
14, 64: 점착제층
16, 66, 76, 86: 프레임 부착 영역
18, 68, 78, 88: 칩 형상 워크 부착 영역(칩 부착 영역)
20: 인쇄층
31: 다이싱ㆍ다이 본드 필름
32: 다이싱 필름
34: 다이 본드 필름
36: 기재
38: 점착제층
40: 반도체 웨이퍼
42: 반도체 칩
44: 피착체
46: 본딩 와이어
48: 밀봉 수지
50: 반도체 장치
64a, 74, 85: 강점착제층
64b, 75, 84: 약점착제층
Claims (13)
- 기재 상에 점착제층이 형성된 구성을 갖고 있고, 상기 점착제층은 칩 형상 워크를 부착하는 칩 형상 워크 부착 영역과, 마운트 프레임을 부착하는 프레임 부착 영역을 갖고, 상기 프레임 부착 영역에 마운트 프레임을 부착하여 사용하는 칩 보유 지지용 테이프이며,
상기 점착제층에 있어서, 상기 프레임 부착 영역에서의 실리콘 미러 웨이퍼에 대한 180도 박리 점착력이, 측정 온도 23±3℃, 인장 속도 300mm/분의 조건하에서, 상기 칩 형상 워크 부착 영역에서의 실리콘 미러 웨이퍼에 대한 180도 박리 점착력의 5배 이상인 것을 특징으로 하는 칩 보유 지지용 테이프. - 제1항에 있어서, 상기 칩 형상 워크 부착 영역에서의 점착제층의 실리콘 미러 웨이퍼에 대한 180도 박리 점착력이, 측정 온도 23±3℃, 인장 속도 300mm/분의 조건하에서, 0.01 내지 0.1N/20mm 테이프 폭인 것을 특징으로 하는 칩 보유 지지용 테이프.
- 제1항에 있어서, 상기 칩 형상 워크 부착 영역에서의 점착제층의 영률이 3MPa 이상인 것을 특징으로 하는 칩 보유 지지용 테이프.
- 제1항에 있어서, 상기 칩 보유 지지용 테이프는 기재와, 상기 기재 상에 형성된 방사선 경화형 점착제층을 갖고 있고,
상기 칩 형상 워크 부착 영역은 방사선 조사에 의한 경화에 의해 점착력이 저하되어 형성된 것을 특징으로 하는 칩 보유 지지용 테이프. - 제1항에 있어서, 상기 점착제층은 표면에 상기 프레임 부착 영역을 갖는 강점착제층과, 표면에 상기 칩 형상 워크 부착 영역을 갖는 약점착제층이, 기재 상에 양자가 적층되어 있지 않은 형태로 형성된 것을 특징으로 하는 칩 보유 지지용 테이프.
- 제1항에 있어서, 상기 점착제층은 강점착제층과, 상기 강점착제층면의 외주부를 노출시키는 형태로 상기 강점착제층 상에 적층된 약점착제층을 갖고,
상기 강점착제층의 노출되어 있는 부위는, 상기 프레임 부착 영역에 상당하고,
상기 약점착제층은, 그 표면이 상기 칩 형상 워크 부착 영역에 상당하는 것을 특징으로 하는 칩 보유 지지용 테이프. - 제1항에 있어서, 상기 점착제층은 약점착제층과, 상기 약점착제층면의 중앙부를 노출시키는 형태로 상기 약점착제층 상에 적층된 강점착제층을 갖고,
상기 강점착제층은, 그 표면이 상기 프레임 부착 영역에 상당하고,
상기 약점착제층의 노출되어 있는 부위는, 상기 칩 형상 워크 부착 영역에 상당하는 것을 특징으로 하는 칩 보유 지지용 테이프. - 다이싱에 의해 형성된 칩 형상 워크의 보유 지지 방법이며,
제1항에 기재된 칩 보유 지지용 테이프의 프레임 부착 영역에 마운트 프레임을 부착하는 공정과,
칩 보유 지지용 테이프의 칩 형상 워크 부착 영역에 다이싱에 의해 형성된 칩 형상 워크를 부착하는 공정을 구비하는 것을 특징으로 하는 칩 형상 워크의 보유 지지 방법. - 제1항에 기재된 칩 보유 지지용 테이프를 사용한 반도체 장치의 제조 방법이며,
워크를 다이싱하는 공정과,
다이싱에 의해 형성된 칩 형상 워크를 상기 칩 보유 지지용 테이프의 상기 칩 형상 워크 부착 영역에 부착하는 공정과,
상기 칩 보유 지지용 테이프에 부착된 상기 칩 형상 워크를 박리하는 박리 공정과,
박리한 상기 칩 형상 워크를 피착체에 고정하는 공정을 구비하는 것을 특징으로 하는 반도체 장치의 제조 방법. - 제9항에 있어서, 상기 박리 공정은, 상기 칩 형상 워크 부착 영역의 점착력을 저하시키지 않고, 상기 칩 형상 워크를 박리하는 공정인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제4항에 기재된 칩 보유 지지용 테이프의 제조 방법이며,
방사선 경화형 점착제층을 형성하는 점착제층 형성 공정과,
상기 방사선 경화형 점착제층의 일부에 방사선을 조사하여 경화시켜, 경화에 의해 점착력이 저하한 칩 형상 워크 부착 영역과, 경화하지 않아 점착력이 저하되어 있지 않은 프레임 부착 영역을 형성하는 방사선 조사 공정을 구비하는 것을 특징으로 하는 칩 보유 지지용 테이프의 제조 방법. - 제11항에 있어서, 기재 상에 적층된 방사선 경화형 점착제층의 프레임 부착 영역에 대응하는 부위에, 방사선 차광 기능을 갖는 방사선 차광층을 형성하는 방사선 차광층 형성 공정을 더 구비하고, 상기 방사선 조사 공정은, 상기 기재면측으로부터 방사선을 조사하여 칩 형상 워크 부착 영역에 대응하는 부위의 방사선 경화형 점착제층을 경화시켜, 경화에 의해 점착력이 저하한 칩 형상 워크 부착 영역과, 경화하지 않아 점착력이 저하되어 있지 않은 프레임 부착 영역을 형성하는 공정인 것을 특징으로 하는 칩 보유 지지용 테이프의 제조 방법.
- 제12항에 있어서, 상기 방사선 차광층 형성 공정은, 상기 방사선 차광층을 인쇄법을 이용하여 형성하는 공정인 것을 특징으로 하는 칩 보유 지지용 테이프의 제조 방법.
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