KR101039655B1 - 금속 나노 잉크와 그 제조방법 및 그 금속 나노 잉크를 사용하는 다이본딩 방법 및 다이본딩 장치 - Google Patents
금속 나노 잉크와 그 제조방법 및 그 금속 나노 잉크를 사용하는 다이본딩 방법 및 다이본딩 장치 Download PDFInfo
- Publication number
- KR101039655B1 KR101039655B1 KR1020117000325A KR20117000325A KR101039655B1 KR 101039655 B1 KR101039655 B1 KR 101039655B1 KR 1020117000325 A KR1020117000325 A KR 1020117000325A KR 20117000325 A KR20117000325 A KR 20117000325A KR 101039655 B1 KR101039655 B1 KR 101039655B1
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- Prior art keywords
- electrode
- semiconductor die
- oxygen
- electrodes
- metal
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Abstract
Description
도 2는 본 발명의 실시형태에서의 금속 나노 잉크의 제조방법을 나타내는 설명도이다.
도 3은 본 발명의 다른 실시형태에서의 금속 나노 잉크를 나타내는 설명도이다.
도 4는 본 발명의 다른 실시형태에서의 금속 나노 잉크의 제조방법에서 유기 용제에 산소 나노 버블을 주입하는 방법을 나타내는 설명도이다.
도 5A는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 범프의 형성을 나타내는 설명도이다.
도 5B는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 범프의 형성을 나타내는 설명도이다.
도 6A는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 반도체 다이의 기판 위로의 중첩을 나타내는 설명도이다.
도 6B는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 반도체 다이의 기판 위로의 중첩을 나타내는 설명도이다.
도 6C는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 반도체 다이의 기판 위로의 중첩을 나타내는 설명도이다.
도 6D는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 반도체 다이의 기판 위로의 중첩을 나타내는 설명도이다.
도 7A는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 접합 범프의 형성을 나타내는 설명도이다.
도 7B는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 접합 범프의 형성을 나타내는 설명도이다.
도 8은 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 가압 가열 기구에 반도체 다이와 기판을 끼운 상태를 나타내는 설명도이다.
도 9A는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 반도체 다이와 기판의 각 전극과의 가압 소결을 나타내는 설명도이다.
도 9B는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 반도체 다이와 기판의 각 전극과의 가압 소결을 나타내는 설명도이다.
도 9C는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행할 때의 반도체 다이와 기판의 각 전극과의 가압 소결을 나타내는 설명도이다.
도 10A는 종래기술의 금속 나노 잉크를 사용하여 다이본딩을 행한 접합 금속의 단면을 나타내는 설명도이다.
도 10B는 본 발명의 실시형태의 금속 나노 잉크를 사용하여 다이본딩을 행한 접합 금속의 단면을 나타내는 설명도이다.
12a, 19a 전극
19 기판
26 사출 헤드
26a 사출 노즐
54 콜릿
57a, 57b 높이 센서
57c 상하 2시야 카메라
80 가압 가열 기구
82a 상부 유지판
82b 하부 유지판
85 간극 센서
86a, 86b 온도 센서
89a, 89b 히터
100 금속 나노 잉크
101 금속 나노 입자
102 분산제
103 피복 금속 나노 입자
105 유기 용제
110 미세 액적
121 산소 버블
122 용해 산소
125 산소 나노 버블
131 용기
132 산소 주입 노즐
133 탱크
134 배관
135 흡입관
136 순환 펌프
137 토출관
138 산소 주입 노즐
140 인젝터
141 노즐
142 코어
143 간극
145 산소 농도 센서
150 산소 주입 장치
200 범프
250 접합 범프
260 기포
300 접합 금속
301 벌크 금속
302 다공성 구조부
Claims (8)
- 가압 소결에 의해 반도체 다이의 전극과 기판의 전극 또는 반도체 다이의 전극과 다른 반도체 다이의 전극을 접합하기 위한 금속 나노 잉크로서,
유기 용제 중의 산소 농도가 과포화로 되도록, 분산제에 의해 표면 코팅된 금속 나노 입자와 산소를 유기 용제 중에 혼합시켜 조정되어 있는 것을 특징으로 하는 금속 나노 잉크. - 삭제
- 가압 소결에 의해 반도체 다이의 전극과 기판의 전극 또는 반도체 다이의 전극과 다른 반도체 다이의 전극을 접합하기 위한 금속 나노 잉크의 제조방법으로서,
분산제에 의해 표면 코팅된 금속 나노 입자를 유기 용제 중에 혼합시키는 금속 나노 입자 혼합 공정과,
유기 용제 중에 산소를 주입하는 산소 주입 공정,
을 갖는 것을 특징으로 하는 금속 나노 잉크의 제조방법. - 제 3 항에 있어서, 산소 주입 공정은 산소를 나노 버블로 만들어 유기 용제 중에 주입하는 것을 특징으로 하는 금속 나노 잉크의 제조방법.
- 반도체 다이의 전극과 기판의 전극 또는 반도체 다이의 전극과 다른 반도체 다이의 전극을 접합하기 위한 다이본딩 방법으로서,
분산제에 의해 표면 코팅된 금속 나노 입자와 나노 버블로 만든 산소를 유기 용제 중에 혼합시킨 금속 나노 잉크의 미세 액적을 사출하여 전극 위에 범프가 형성된 반도체 다이를 금속 나노 잉크의 미세 액적을 사출하여 전극 위에 범프가 형성된 기판 또는 금속 나노 잉크의 미세 액적을 사출하여 전극 위에 범프가 형성된 다른 반도체 다이의 위에 페이스다운 하고, 반도체 다이의 전극과 기판의 전극 또는 반도체 다이의 전극과 다른 반도체 다이의 전극을 범프를 통하여 중첩하는 중첩 공정과,
각 전극 간의 범프를 가압함과 아울러 가열하고, 범프의 금속 나노 입자를 가압 소결시켜 각 전극 간을 전기적으로 접합하는 가압 소결 공정,
을 갖는 것을 특징으로 하는 다이본딩 방법. - 반도체 다이의 전극과 기판의 전극 또는 반도체 다이의 전극과 다른 반도체 다이의 전극을 접합하기 위한 다이본딩 장치로서,
분산제에 의해 표면 코팅된 금속 나노 입자와 나노 버블로 만든 산소를 유기 용제 중에 혼합시킨 금속 나노 잉크의 미세 액적을 사출하여 전극 위에 범프를 형성하는 사출 헤드와,
범프가 형성된 반도체 다이를 금속 나노 잉크의 미세 액적을 사출하여 전극 위에 범프가 형성된 기판 또는 금속 나노 잉크의 미세 액적을 사출하여 전극 위에 범프가 형성된 다른 반도체 다이의 위에 페이스다운 하고, 반도체 다이의 전극과 기판의 전극 또는 반도체 다이의 전극과 다른 반도체 다이의 전극을 범프를 통하여 중첩하는 중첩 기구와,
각 전극 간의 범프를 가압함과 아울러 가열하고, 범프의 금속 나노 입자를 가압 소결시켜 각 전극 간을 전기적으로 접합하는 가압 가열 기구,
를 갖는 것을 특징으로 하는 다이본딩 장치.
- 삭제
- 삭제
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PCT/JP2009/062430 WO2010013588A1 (ja) | 2008-08-01 | 2009-07-08 | 金属ナノインクとその製造方法並びにその金属ナノインクを用いるダイボンディング方法及びダイボンディング装置 |
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DE102014114096A1 (de) | 2014-09-29 | 2016-03-31 | Danfoss Silicon Power Gmbh | Sinterwerkzeug für den Unterstempel einer Sintervorrichtung |
DE102014114093B4 (de) * | 2014-09-29 | 2017-03-23 | Danfoss Silicon Power Gmbh | Verfahren zum Niedertemperatur-Drucksintern |
DE102014114097B4 (de) | 2014-09-29 | 2017-06-01 | Danfoss Silicon Power Gmbh | Sinterwerkzeug und Verfahren zum Sintern einer elektronischen Baugruppe |
DE102014114095B4 (de) | 2014-09-29 | 2017-03-23 | Danfoss Silicon Power Gmbh | Sintervorrichtung |
CN110998500A (zh) * | 2017-08-08 | 2020-04-10 | 株式会社东海理化电机制作所 | 操作检测装置 |
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KR102635492B1 (ko) * | 2020-08-10 | 2024-02-07 | 세메스 주식회사 | 본딩 장치 및 본딩 방법 |
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WO2010013588A1 (ja) | 2010-02-04 |
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