KR20040012499A - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
- Publication number
- KR20040012499A KR20040012499A KR1020030051297A KR20030051297A KR20040012499A KR 20040012499 A KR20040012499 A KR 20040012499A KR 1020030051297 A KR1020030051297 A KR 1020030051297A KR 20030051297 A KR20030051297 A KR 20030051297A KR 20040012499 A KR20040012499 A KR 20040012499A
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- Prior art keywords
- film
- groove
- insulating film
- pattern
- semiconductor device
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 190
- 238000000034 method Methods 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 claims abstract description 60
- 239000004020 conductor Substances 0.000 claims abstract description 40
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 238000013461 design Methods 0.000 claims description 109
- 230000008021 deposition Effects 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 9
- 230000002950 deficient Effects 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 688
- 239000011229 interlayer Substances 0.000 description 239
- 239000010410 layer Substances 0.000 description 237
- 229910052802 copper Inorganic materials 0.000 description 64
- 239000010949 copper Substances 0.000 description 64
- 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 39
- 229910052814 silicon oxide Inorganic materials 0.000 description 39
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 32
- 229910052581 Si3N4 Inorganic materials 0.000 description 31
- 230000007547 defect Effects 0.000 description 31
- 238000009792 diffusion process Methods 0.000 description 31
- 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
- 229910052782 aluminium Inorganic materials 0.000 description 25
- 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
- 230000004888 barrier function Effects 0.000 description 23
- 229920002120 photoresistant polymer Polymers 0.000 description 22
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 22
- 238000011049 filling Methods 0.000 description 21
- 150000001879 copper Chemical class 0.000 description 17
- 230000008569 process Effects 0.000 description 15
- 230000007261 regionalization Effects 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 230000004048 modification Effects 0.000 description 13
- 238000012986 modification Methods 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 10
- 230000003405 preventing effect Effects 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- 238000004380 ashing Methods 0.000 description 7
- 239000013039 cover film Substances 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000000206 photolithography Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 150000003657 tungsten Chemical class 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
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- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
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- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76804—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics by forming tapered via holes
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
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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 90°보다도 큰 각도로 복수회 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 제5항 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.
- 제6항 또는 제7항에 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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