KR20200035197A - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
- Publication number
- KR20200035197A KR20200035197A KR1020190030239A KR20190030239A KR20200035197A KR 20200035197 A KR20200035197 A KR 20200035197A KR 1020190030239 A KR1020190030239 A KR 1020190030239A KR 20190030239 A KR20190030239 A KR 20190030239A KR 20200035197 A KR20200035197 A KR 20200035197A
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- South Korea
- Prior art keywords
- layer
- insulating layer
- electrode
- semiconductor device
- forming
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 230000004888 barrier function Effects 0.000 claims abstract description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 17
- 229910052759 nickel Inorganic materials 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 15
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- 238000005530 etching Methods 0.000 claims description 6
- 239000010949 copper Substances 0.000 description 48
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 46
- 229910052802 copper Inorganic materials 0.000 description 46
- 239000010936 titanium Substances 0.000 description 44
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 43
- 229910052719 titanium Inorganic materials 0.000 description 43
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 13
- 229910052737 gold Inorganic materials 0.000 description 13
- 239000010931 gold Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 13
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- 239000011347 resin Substances 0.000 description 10
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- 229910000765 intermetallic Inorganic materials 0.000 description 9
- 239000011135 tin Substances 0.000 description 8
- 229910000679 solder Inorganic materials 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 238000009751 slip forming Methods 0.000 description 5
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- 238000000354 decomposition reaction Methods 0.000 description 2
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- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 2
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- 239000007769 metal material Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910017482 Cu 6 Sn 5 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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Abstract
Description
도 2는 도 1의 영역 A를 도시하는 일부 확대 단면도이다.
도 3은 도 1의 영역 B를 도시하는 일부 확대 단면도이다.
도 4는 범프가 접합된 실시 형태에 따른 반도체 장치를 도시하는 단면도이다.
도 5는 도 4의 영역 C를 도시하는 일부 확대 단면도이다.
도 6의 (a) 내지 (d)는 실시 형태에 따른 반도체 장치의 제조 방법을 도시하는 단면도이다.
도 7의 (a) 내지 (d)는 실시 형태에 따른 반도체 장치의 제조 방법을 도시하는 단면도이다.
도 8의 (a) 내지 (d)는 실시 형태에 따른 반도체 장치의 제조 방법을 도시하는 단면도이다.
도 9는 실시 형태에 따른 반도체 장치의 제조 방법을 도시하는 단면도이다.
도 10은 실시 형태에 따른 반도체 장치의 제조 방법을 도시하는 단면도이다.
도 11은 실시 형태에 따른 반도체 장치의 제조 방법을 도시하는 단면도이다.
도 12의 (a)는 실시 형태에 따른 반도체 장치의 제조 방법을 도시하는 단면도이고, (b)는 (a)의 영역 D를 도시하는 일부 확대 단면도이다.
도 13의 (a)는 실시 형태에 따른 반도체 장치의 제조 방법을 도시하는 단면도이고, (b)는 (a)의 영역 E를 도시하는 일부 확대 단면도이다.
도 14는 비교예에 따른 반도체 장치를 도시하는 단면도이다.
Claims (15)
- 절연층과,
상기 절연층 내에 마련된 도전 부재와,
상기 절연층의 제1 면 상에 배치되어 상기 도전 부재에 접속된 칩과,
상기 도전 부재에, 저항률이 상기 도전 부재의 저항률보다도 높은 배리어층을 통하여 접속되고, 적어도 일부가 상기 절연층의 제2 면으로부터 돌출된 전극
을 구비한, 반도체 장치. - 제1항에 있어서,
상기 전극에 접합된 범프를 더 구비한, 반도체 장치. - 제2항에 있어서,
상기 범프는 상기 전극의 측면을 덮고 있는, 반도체 장치. - 제1항에 있어서,
상기 전극은 니켈을 포함하는, 반도체 장치. - 제1항에 있어서,
상기 배리어층은 상기 절연층과 상기 도전 부재 사이에 마련된, 반도체 장치. - 제1항 내지 제5항 중 어느 한 항에 있어서,
상기 도전 부재는,
상기 칩에 접속된 제1 비아와,
상기 전극에 접속된 제2 비아와,
상기 제1 비아와 상기 제2 비아 사이에 접속된 배선
을 갖고,
상기 배리어층은 적어도 상기 제2 비아의 하면 상 및 측면 상, 그리고 상기 배선의 하면 상에 배치되고, 상기 제2 비아는 상기 배리어층을 통하여 상기 전극에 접속된, 반도체 장치. - 지지 기판 상에 박리층, 제1 배리어층, 도전층 및 제2 배리어층을 형성하는 공정과,
상기 제2 배리어층 상에, 제1 개구부가 형성된 제1 절연층을 형성하는 공정과,
상기 제1 절연층을 마스크로 하여 에칭을 실시함으로써 상기 제2 배리어층에, 상기 제1 개구부에 연통된 제2 개구부를 형성하는 공정과,
상기 제2 개구부 내 및 상기 제1 개구부의 하부 내에 전극을 형성하는 공정과,
상기 제1 개구부의 상부의 내면 상에 제3 배리어층을 형성하는 공정과,
상기 제1 개구부의 상부 내에 제1 비아를 형성함과 함께, 상기 제1 절연층 상에, 저항률이 상기 제3 배리어층의 저항률보다도 낮은 배선을 형성하는 공정과,
상기 배선 상에, 제3 개구부가 형성된 제2 절연층을 형성하는 공정과,
상기 제3 개구부 내에, 상기 배선에 접속되는 제2 비아를 형성하는 공정과,
상기 제2 비아에 칩을 접속하는 공정과,
상기 박리층을 제거함으로써 상기 지지 기판을 제거하는 공정과,
상기 제1 배리어층, 상기 도전층 및 상기 제2 배리어층을 제거하는 공정
을 구비한, 반도체 장치의 제조 방법. - 제7항에 있어서,
상기 전극에 범프를 접합하는 공정을 더 구비한, 반도체 장치의 제조 방법. - 제7항 또는 제8항에 있어서,
상기 전극을 형성하는 공정은, 상기 도전층을 통하여 전해 도금을 실시하는 공정을 가진, 반도체 장치의 제조 방법. - 제7항 또는 제8항에 있어서,
상기 제1 비아 및 상기 배선을 형성하는 공정은, 상기 도전층을 통하여 전해 도금을 실시하는 공정을 가진, 반도체 장치의 제조 방법. - 지지 기판 상에, 제1 개구부가 형성된 도전층, 및 상기 제1 개구부에 연통된 제2 개구부가 형성된 절연층을 형성하는 공정과,
상기 제1 개구부 내 및 상기 제2 개구부의 하부 내에 전극을 형성하는 공정과,
상기 제2 개구부의 상부 내 및 상기 절연층 상에 도전 부재를 형성하는 공정과,
상기 도전 부재에 칩을 접속하는 공정과,
상기 지지 기판 및 상기 도전층을 제거하는 공정
을 구비한, 반도체 장치의 제조 방법. - 제11항에 있어서,
상기 전극에 범프를 접합하는 공정을 더 구비한, 반도체 장치의 제조 방법. - 제11항에 있어서,
상기 도전층 및 상기 절연층을 형성하는 공정은,
상기 지지 기판 상에 연속적으로 상기 도전층을 형성하는 공정과,
상기 도전층 상에, 상기 제2 개구부가 형성된 절연층을 형성하는 공정과,
상기 절연층을 마스크로 하여 상기 도전층을 에칭함으로써 상기 제1 개구부를 형성하는 공정
을 가진, 반도체 장치의 제조 방법. - 제11항 내지 제13항 중 어느 한 항에 있어서,
상기 전극을 형성하는 공정은, 상기 도전층을 통하여 전해 도금을 실시하는 공정을 가진, 반도체 장치의 제조 방법. - 제11항 내지 제13항 중 어느 한 항에 있어서,
상기 도전 부재를 형성하는 공정은, 상기 도전층 및 상기 전극을 통하여 전해 도금을 실시하는 공정을 가진, 반도체 장치의 제조 방법.
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