KR19990007413A - 다중층 배선을 갖는 반도체 장치의 제조 방법 - Google Patents
다중층 배선을 갖는 반도체 장치의 제조 방법 Download PDFInfo
- Publication number
- KR19990007413A KR19990007413A KR1019980024553A KR19980024553A KR19990007413A KR 19990007413 A KR19990007413 A KR 19990007413A KR 1019980024553 A KR1019980024553 A KR 1019980024553A KR 19980024553 A KR19980024553 A KR 19980024553A KR 19990007413 A KR19990007413 A KR 19990007413A
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- South Korea
- Prior art keywords
- film
- forming
- metal
- silicon oxide
- insulating film
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 239000004065 semiconductor Substances 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 100
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 100
- 229910052751 metal Inorganic materials 0.000 claims abstract description 65
- 239000002184 metal Substances 0.000 claims abstract description 65
- 230000008569 process Effects 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- 229920003209 poly(hydridosilsesquioxane) Polymers 0.000 claims description 69
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 38
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 25
- 229910052721 tungsten Inorganic materials 0.000 claims description 25
- 239000010937 tungsten Substances 0.000 claims description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 229910052782 aluminium Inorganic materials 0.000 claims description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 24
- 239000010949 copper Substances 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 23
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 23
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 11
- 238000000059 patterning Methods 0.000 claims description 11
- 239000010936 titanium Substances 0.000 claims description 11
- 229910052719 titanium Inorganic materials 0.000 claims description 11
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 9
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims description 9
- 229910021342 tungsten silicide Inorganic materials 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 4
- 229910003481 amorphous carbon Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims 3
- 229910000838 Al alloy Inorganic materials 0.000 claims 2
- 239000004642 Polyimide Substances 0.000 claims 2
- 229920002120 photoresistant polymer Polymers 0.000 description 51
- 239000010410 layer Substances 0.000 description 38
- 239000007789 gas Substances 0.000 description 18
- 238000005530 etching Methods 0.000 description 16
- 239000011229 interlayer Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000001312 dry etching Methods 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 7
- 238000000137 annealing Methods 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 229910008051 Si-OH Inorganic materials 0.000 description 2
- 229910006358 Si—OH Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 229910018182 Al—Cu Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010073306 Exposure to radiation Diseases 0.000 description 1
- 229910018594 Si-Cu Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910008465 Si—Cu Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- WNUPENMBHHEARK-UHFFFAOYSA-N silicon tungsten Chemical compound [Si].[W] WNUPENMBHHEARK-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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- H01L21/022—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being a laminate, i.e. composed of sublayers, e.g. stacks of alternating high-k metal oxides
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- H01L21/02118—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer carbon based polymeric organic or inorganic material, e.g. polyimides, poly cyclobutene or PVC
- H01L21/0212—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer carbon based polymeric organic or inorganic material, e.g. polyimides, poly cyclobutene or PVC the material being fluoro carbon compounds, e.g.(CFx) n, (CHxFy) n or polytetrafluoroethylene
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- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
- H01L21/02134—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material comprising hydrogen silsesquioxane, e.g. HSQ
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- H01L21/76801—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
- 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
- H01L21/76807—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 for dual damascene structures
- H01L21/76813—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 for dual damascene structures involving a partial via etch
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Abstract
Description
Claims (18)
- 다중층 배선을 갖는 반도체 장치의 제조 방법에 있어서,반도체 기판상에 실리콘 옥사이드막보다 더 낮은 유전 상수를 갖는 제1 절연막을 형성하는 단계와;상기 제1 절연막 상에 제2 절연막을 형성하는 단계 - 상기 제2 절연막은 산소 플라즈마 프로세스와 레지스트 제거 용액에 노출시에 수분 흡수도 및 변형도가 상기 실리콘 옥사이드막의 그것들보다 더 낮거나 같음- 와;상기 제2 절연막을 미리1 지정된 형태로 패턴닝하는 단계; 및상기 제2 절연막을 매스크로 사용하여 상기 제1 절연막에 개구를 형성하는 단계를 포함하는 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 다중층 배선을 갖는 반도체 장치의 제조 방법에 있어서,반도체 기판 상에 실리콘 옥사이드막보다 더 낮은 유전 상수를 갖는 절연막을 형성하는 단계와;상기 절연막 상에 금속막을 형성하는 단계와;상기 금속막을 미리 지정된 형태로 패턴닝하는 단계; 및상기 금속막을 매스크로 사용하여 상기 절연막에 개구를 형성하는 단계를 포함하는 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제1 항에 있어서,상기 개구를 형성하는 상기 단계 후 상기 개구에 도전막을 묻는 단계를 더 포함하는 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제2 항에 있어서,상기 개구를 형성하는 상기 단계 후 상기 개구에 도전막을 묻는 단계를 더 포함하는 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제1 항에 있어서,상기 제1 절연막은 하이드로겐 실세스퀴옥산, 유기 스핀-온 글래스, 플루오로수지, 비정질 카본 플루오라이드 및 폴리이미드를 포함하는 군으로부터 선택된 절연 물질로 형성된 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제1 항에 있어서,상기 제1 절연막은 말단 결합기로서 Si-H 또는 Si-CH3를 갖는 다공성막으로 형성된 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제2 항에 있어서,상기 절연막은 하이드로겐 실세스퀴옥산, 유기 스핀-온 글래스, 플루오로수지, 비정질 카본 플루오라이드 및 폴리이미드를 포함하는 군으로부터 선택된 절연 물질로 형성된 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제2 항에 있어서,상기 절연막은 말단 결합기로서 Si-H 또는 Si-CH3를 갖는 다공성막으로 형성된 것을 특징으로 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제1 항에 있어서,상기 제2 절연막은 플라즈마 실리콘 나이트라이드, 플라즈마 실리콘 산화물 및 플라즈마 실리콘 옥시나이트라이드를 포함하는 군으로부터 선택된 절연 물질로 형성된 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제2 항에 있어서,상기 금속막은 텅스텐 실리사이드, 텅스텐, 티타늄, 티타늄 나이트라이드 및 알루미늄을 포함하는 군으로부터 선택된 금속으로 형성된 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제2 항에 있어서,상기 절연막을 형성하는 상기 단계와 상기 금속막을 형성하는 상기 단계 사이에 상기 절연막 상에 실리콘 옥사이드막을 형성하는 단계; 및상기 금속막을 패턴닝하는 상기 단계와 상기 절연막에 상기 개구를 형성하는 상기 단계 사이에 상기 금속막을 매스크로 사용하여 상기 실리콘 옥사이드막을 패턴닝하는 단계를 더 포함하는 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제3 항에 있어서,상기 도전막을 묻는 상기 단계는,상기 개구의 측벽 및 밑 바닥 상에 경계 금속막을 형성하는 단계; 및상기 경계 금속막 상에 금속 배선막을 형성하는 단계를 포함하는 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제4 항에 있어서,상기 도전막을 묻는 상기 단계는,상기 개구의 측벽 및 밑바닥 상에 경계 금속막을 형성하는 단계; 및상기 경계 금속막 상에 금속 배선막을 형성하는 단계를 포함하는 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제12 항에 있어서,상기 경계 금속막은 TiN막인 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제13 항에 있어서,상기 경계 금속막은 TiN막인 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제12 항에 있어서,상기 금속 배선막은 구리, 알루미늄 및 알루미늄 합금을 포함하는 군으로부터 선택된 금속으로 형성된 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제13 항에 있어서,상기 금속 배선막은 구리, 알루미늄 및 알루미늄 합금을 포함하는 군으로부터 선택된 금속으로 형성된 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
- 제2 항에 있어서,상기 개구를 형성하는 상기 단계 후,전체 표면 상에 도전막을 형성하는 단계; 및상기 금속막 및 상기 도전막의 일부를 선택적으로 제거하여 상기 개구 내에만 상기 도전막을 남기는 단계를 더 포함하는 것을 특징으로 하는 다중층 배선을 갖는 반도체 장치의 제조 방법.
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JP17205697A JP3390329B2 (ja) | 1997-06-27 | 1997-06-27 | 半導体装置およびその製造方法 |
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JP4014234B2 (ja) * | 1994-05-27 | 2007-11-28 | テキサス インスツルメンツ インコーポレイテツド | 半導体デバイス中に線間容量の低減化された相互接続線を作製する方法 |
US5504042A (en) * | 1994-06-23 | 1996-04-02 | Texas Instruments Incorporated | Porous dielectric material with improved pore surface properties for electronics applications |
JPH0950993A (ja) * | 1995-08-08 | 1997-02-18 | Fujitsu Ltd | 絶縁膜形成方法と半導体装置 |
US5573633A (en) * | 1995-11-14 | 1996-11-12 | International Business Machines Corporation | Method of chemically mechanically polishing an electronic component |
US6114186A (en) * | 1996-07-30 | 2000-09-05 | Texas Instruments Incorporated | Hydrogen silsesquioxane thin films for low capacitance structures in integrated circuits |
US5880018A (en) * | 1996-10-07 | 1999-03-09 | Motorola Inc. | Method for manufacturing a low dielectric constant inter-level integrated circuit structure |
US5935868A (en) * | 1997-03-31 | 1999-08-10 | Intel Corporation | Interconnect structure and method to achieve unlanded vias for low dielectric constant materials |
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1997
- 1997-06-27 JP JP17205697A patent/JP3390329B2/ja not_active Expired - Fee Related
-
1998
- 1998-06-25 US US09/104,714 patent/US6140225A/en not_active Expired - Lifetime
- 1998-06-25 GB GB9813799A patent/GB2326765B/en not_active Expired - Fee Related
- 1998-06-26 TW TW087110360A patent/TW405163B/zh not_active IP Right Cessation
- 1998-06-26 CN CNB981026613A patent/CN1139971C/zh not_active Expired - Fee Related
- 1998-06-27 KR KR1019980024553A patent/KR100321571B1/ko not_active IP Right Cessation
-
1999
- 1999-11-12 US US09/439,809 patent/US6225217B1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100634904B1 (ko) * | 1998-11-18 | 2006-10-17 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 전자 디바이스 제조 방법 |
US7060623B2 (en) | 2000-06-26 | 2006-06-13 | Nec Lcd Technologies, Ltd. | Method of deforming a pattern and semiconductor device formed by utilizing deformed pattern |
KR100422348B1 (ko) * | 2001-06-15 | 2004-03-12 | 주식회사 하이닉스반도체 | 반도체소자의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
JP3390329B2 (ja) | 2003-03-24 |
GB2326765B (en) | 2000-11-15 |
TW405163B (en) | 2000-09-11 |
GB2326765A (en) | 1998-12-30 |
CN1139971C (zh) | 2004-02-25 |
JPH1117008A (ja) | 1999-01-22 |
CN1204142A (zh) | 1999-01-06 |
US6140225A (en) | 2000-10-31 |
KR100321571B1 (ko) | 2002-03-08 |
US6225217B1 (en) | 2001-05-01 |
GB9813799D0 (en) | 1998-08-26 |
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