KR100917455B1 - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR100917455B1 KR100917455B1 KR1020030051297A KR20030051297A KR100917455B1 KR 100917455 B1 KR100917455 B1 KR 100917455B1 KR 1020030051297 A KR1020030051297 A KR 1020030051297A KR 20030051297 A KR20030051297 A KR 20030051297A KR 100917455 B1 KR100917455 B1 KR 100917455B1
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- insulating film
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- 238000005530 etching Methods 0.000 description 54
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 47
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 40
- 229910052814 silicon oxide Inorganic materials 0.000 description 40
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 32
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 31
- 229910052721 tungsten Inorganic materials 0.000 description 26
- 239000010937 tungsten Substances 0.000 description 26
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 25
- 229910052715 tantalum Inorganic materials 0.000 description 25
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 25
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- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- 238000005336 cracking Methods 0.000 description 8
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Abstract
Description
Claims (10)
- 기판 상에 형성되며 적어도 표면 측에 제1 배선층이 매립된 제1 절연막과;상기 제1 배선층이 매립된 상기 제1 절연막 상에 형성된 제2 절연막과;상기 제1 배선층 상의 상기 제2 절연막에 형성되며 직각 방향으로 굴곡되는 홈 형상의 패턴을 갖는 홈 형상 비아와;상기 홈 형상 비아에 충전된 제1 매립 도전체를 포함하는 것을 특징으로 하는 반도체 장치.
- 제1항에 있어서, 상기 홈 형상 비아는 상기 패턴의 굴곡부의 폭이 직선부의 폭 이하인 것을 특징으로 하는 반도체 장치.
- 제1항에 있어서, 상기 홈 형상 비아는 상기 패턴의 굴곡부에서 내각이 둔각이 되도록 복수회로 나눠서 구부려져 있는 것을 특징으로 하는 반도체 장치.
- 기판 상에 형성되며 적어도 표면 측에 직각 방향으로 굴곡되는 패턴을 갖는 제1 배선층이 매립된 제1 절연막과;상기 제1 배선층이 매립된 상기 제1 절연막 상에 형성된 제2 절연막과;상기 제1 배선층 상의 상기 제2 절연막에 형성되며 홈 형상의 패턴을 갖는 홈 형상 비아와;상기 홈 형상 비아에 충전된 제1 매립 도전체를 포함하고,상기 홈 형상 비아는 상기 패턴의 코너부에 있어서 불연속으로 되어 있는 것을 특징으로 하는 반도체 장치.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 제1 배선층 상의 상기 제2 절연막에 형성된 구멍 형상 비아와, 상기 구멍 형상 비아에 충전된 제2 매립 도전체를 더 포함하는 것을 특징으로 하는 반도체 장치.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 제1 배선층 상의 상기 제2 절연막에 형성되며 복수의 홈이 인접하게 형성된 홈 형상 비아 패턴을 갖고, 상기 홈 형상 비아 패턴의 적어도 일부가 상기 홈 형상 비아에 의해 구성되어 있는 것을 특징으로 하는 반도체 장치.
- 제6항에 있어서, 상기 홈 형상 패턴의 최외주에 상기 홈 형상 패턴이 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 제6항에 있어서, 상기 홈 형상 비아 패턴은 상기 제1 배선층의 하나의 패턴 상에 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 기판 상에 형성되며 적어도 표면 측에 제1 배선층이 매립된 제1 절연막과, 상기 제1 배선층이 매립된 상기 제1 절연막 상에 형성되며 상기 제1 배선층 상에 개구된 홈 형상 비아 및 구멍 형상 비아를 갖는 제2 절연막을 갖는 반도체 장치의 제조 방법으로서,상기 제2 절연막에 상기 홈 형상 비아 및 상기 구멍 형상 비아를 형성할 때에, 상기 홈 형상 비아의 설계 디자인 상에서의 폭이 상기 구멍 형상 비아의 설계 디자인 상에서의 폭보다도 좁은 마스크 패턴을 이용하여, 상기 구멍 형상 비아 및 상기 홈 형상 비아를 형성하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 기판 상에 형성되며 적어도 표면 측에 제1 배선층이 매립된 제1 절연막과, 상기 제1 배선층이 매립된 상기 제1 절연막 상에 형성되며 상기 제1 배선층 상에 개구된 홈 형상 비아 및 구멍 형상 비아와, 상기 홈 형상 비아 및 상기 구멍 형상 비아의 각각에 매립된 매립 도전체를 갖는 제2 절연막을 구비한 반도체 장치의 제조 방법으로서,상기 매립 도전체를 형성할 때에, 상기 홈 형상 비아의 최대 폭을 고려하여, 상기 매립 도전체로 이루어진 도전막의 퇴적 막 두께를 설정하여, 상기 구멍 형상 비아 및 상기 홈 형상 비아를 상기 매립 도전체에 의해 충전하는 것을 특징으로 하는 반도체 장치의 제조 방법.
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