KR20060041950A - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
- Publication number
- KR20060041950A KR20060041950A KR1020050012334A KR20050012334A KR20060041950A KR 20060041950 A KR20060041950 A KR 20060041950A KR 1020050012334 A KR1020050012334 A KR 1020050012334A KR 20050012334 A KR20050012334 A KR 20050012334A KR 20060041950 A KR20060041950 A KR 20060041950A
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- South Korea
- Prior art keywords
- layer
- via hole
- redistribution
- barrier layer
- semiconductor substrate
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 115
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 230000004888 barrier function Effects 0.000 claims abstract description 58
- 239000000758 substrate Substances 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 22
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 238000007747 plating Methods 0.000 claims description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 238000004544 sputter deposition Methods 0.000 claims description 5
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 claims description 5
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005530 etching Methods 0.000 abstract description 19
- 230000006866 deterioration Effects 0.000 abstract description 4
- 230000000452 restraining effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 171
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 10
- 239000010949 copper Substances 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- 238000010030 laminating Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018182 Al—Cu Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 229910018594 Si-Cu Inorganic materials 0.000 description 1
- 229910008465 Si—Cu Inorganic materials 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
Claims (16)
- 반도체 칩의 표면에 형성되고, 또한 제1 배리어층과 알루미늄층 또는 알루미늄 합금층이 적층되어 이루어지는 패드 전극층과,상기 반도체 칩의 표면에 접착된 지지체와,상기 반도체 칩의 이면으로부터 상기 제1 배리어층에 도달하는 비아홀과,상기 비아홀 내를 포함하는 상기 반도체 칩의 이면에 형성되고, 또한 상기 제1 배리어층과 접속된 재배선층을 갖는 것을 특징으로 하는 반도체 장치.
- 제1항에 있어서,상기 재배선층은, 상기 비아홀 내를 완전하게 매립하도록 하여 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 제1항에 있어서,상기 재배선층은, 상기 비아홀 내를 불완전하게 매립하도록 하여 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 재배선층은, 도금 처리 또는 스퍼터 처리에 의해 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 재배선층 상에 도전 단자가 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 제1 배리어층은, 티탄 나이트라이드층, 티탄 텅스텐층, 탄탈 나이트라이드층, 고융점 금속층 및 그 화합물층 중 어느 하나로 이루어지는 것을 특징으로 하는 반도체 장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 비아홀 내를 포함하는 상기 반도체 칩의 이면과 상기 재배선층 사이에, 제2 배리어층이 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 제7항에 있어서,상기 제2 배리어층은, 티탄 나이트라이드층, 티탄 텅스텐층, 탄탈 나이트라이드층, 고융점 금속층 및 그 화합물층 중 어느 하나로 이루어지는 것을 특징으로 하는 반도체 장치.
- 제1 배리어층과 알루미늄층 또는 알루미늄 합금층이 적층되어 이루어지는 패드 전극층을 갖는 반도체 기판을 준비하고,상기 반도체 기판의 표면에 지지체를 접착하는 공정과,상기 반도체 기판에, 해당 반도체 기판의 이면으로부터 상기 제1 배리어층에 도달하는 비아홀을 형성하는 공정과,상기 비아홀 내를 포함하는 상기 반도체 기판의 이면에, 상기 제1 배리어층과 접속하는 재배선층을 형성하는 공정을 갖는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제9항에 있어서,상기 재배선층을 형성하는 공정에서, 상기 재배선층은, 상기 비아홀 내를 완전하게 매립하도록 하여 형성되는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제9항에 있어서,상기 재배선층을 형성하는 공정에서, 상기 재배선층은, 상기 비아홀 내를 불완전하게 매립하도록 하여 형성되는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제9항 내지 제11항 중 어느 한 항에 있어서,상기 재배선층을 형성하는 공정에서, 상기 재배선층은, 도금 처리 또는 스퍼터 처리에 의해 형성되는 것을 특징으로 하는 반도체 장치.
- 제9항 내지 제11항 중 어느 한 항에 있어서,상기 재배선층 상에 도전 단자를 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제9항 내지 제11항 중 어느 한 항에 있어서,상기 제1 배리어층은, 티탄 나이트라이드층, 티탄 텅스텐층, 탄탈 나이트라이드층, 고융점 금속층 및 그 화합물층 중 어느 하나로 이루어지는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제9항 내지 제11항 중 어느 한 항에 있어서,상기 비아홀 내를 포함하는 상기 반도체 기판의 이면과 상기 재배선층 사이에, 제2 배리어층을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제15항에 있어서,상기 제2 배리어층은, 티탄 나이트라이드층, 티탄 텅스텐층, 탄탈 나이트라이드층, 고융점 금속층 및 그 화합물층 중 어느 하나로 이루어지는 것을 특징으로 하는 반도체 장치의 제조 방법.
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US7256497B2 (en) | 2007-08-14 |
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US7759247B2 (en) | 2010-07-20 |
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