KR20020079332A - 반도체 장치와 그 제조 방법 - Google Patents
반도체 장치와 그 제조 방법 Download PDFInfo
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- KR20020079332A KR20020079332A KR1020010061458A KR20010061458A KR20020079332A KR 20020079332 A KR20020079332 A KR 20020079332A KR 1020010061458 A KR1020010061458 A KR 1020010061458A KR 20010061458 A KR20010061458 A KR 20010061458A KR 20020079332 A KR20020079332 A KR 20020079332A
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- insulating layer
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- damascene
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 238000000034 method Methods 0.000 claims abstract description 39
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- 229910052751 metal Inorganic materials 0.000 claims description 27
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- 239000012212 insulator Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 253
- 239000011229 interlayer Substances 0.000 description 40
- 239000010949 copper Substances 0.000 description 24
- 229920002120 photoresistant polymer Polymers 0.000 description 24
- 239000010703 silicon Substances 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000004020 conductor Substances 0.000 description 7
- 229910052814 silicon oxide Inorganic materials 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 238000004380 ashing Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- 238000003486 chemical etching Methods 0.000 description 3
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- 238000009413 insulation Methods 0.000 description 3
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- 238000004544 sputter deposition Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- -1 tungsten nitride Chemical class 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- GPBUGPUPKAGMDK-UHFFFAOYSA-N azanylidynemolybdenum Chemical compound [Mo]#N GPBUGPUPKAGMDK-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 150000002484 inorganic compounds Chemical class 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910003465 moissanite Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000012766 organic filler Substances 0.000 description 2
- 229920003209 poly(hydridosilsesquioxane) Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 2
- XQMTUIZTZJXUFM-UHFFFAOYSA-N tetraethoxy silicate Chemical compound CCOO[Si](OOCC)(OOCC)OOCC XQMTUIZTZJXUFM-UHFFFAOYSA-N 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 238000009792 diffusion process Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
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- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
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- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- 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
- H01L21/76801—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
- H01L21/76808—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 intermediate temporary filling with material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- 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
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/528—Geometry or layout of the interconnection structure
- H01L23/5283—Cross-sectional geometry
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- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
- H01L23/53228—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being copper
- H01L23/53238—Additional layers associated with copper layers, e.g. adhesion, barrier, cladding layers
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/544—Marks applied to semiconductor devices or parts, e.g. registration marks, alignment structures, wafer maps
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- H01L2223/544—Marks applied to semiconductor devices or parts
- H01L2223/54426—Marks applied to semiconductor devices or parts for alignment
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- H01L2223/544—Marks applied to semiconductor devices or parts
- H01L2223/54453—Marks applied to semiconductor devices or parts for use prior to dicing
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- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/525—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
- H01L23/5256—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections comprising fuses, i.e. connections having their state changed from conductive to non-conductive
- H01L23/5258—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections comprising fuses, i.e. connections having their state changed from conductive to non-conductive the change of state resulting from the use of an external beam, e.g. laser beam or ion beam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/975—Substrate or mask aligning feature
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (10)
- 복수의 반도체 소자를 갖는 반도체 기판과,상기 반도체 기판 상에 형성된 제 2 절연층과,상기 제 2 절연층의 표면으로부터 형성되며, 제 1 폭을 갖는 다마신(damascene) 배선용 凹부와,상기 제 2 절연층의 표면으로부터 형성되며, 상기 제 1 폭보다 큰 제 2 폭을 갖는 위치 맞춤홈과,상기 다마신 배선용 凹부를 매립하여 형성되며, 상기 제 2 절연층 표면과 거의 동일한 면의 표면을 갖는 다마신 배선과,상기 다마신 배선과 동일한 배선층으로 상기 위치 맞춤홈 내에 형성되며, 제 1 단차를 형성하는 위치 맞춤 배선 패턴과,상기 제 2 절연층 표면 상에 형성되며, 상기 다마신 배선에 접속된 표면 배선 패턴과,상기 표면 배선 패턴과 동일한 표면 배선층으로 상기 위치 맞춤 배선 패턴의 위에 형성되며, 상기 제 1 단차를 반영하는 제 2 단차를 갖는 제 1 위치 맞춤 표면 배선 패턴과,상기 표면 배선 패턴과 상기 제 1 위치 맞춤 표면 배선 패턴을 덮어서 상기 제 2 절연층 상에 형성된 제 3 절연층을 갖는 반도체 장치.
- 제 1 항에 있어서,상기 제 2 절연체층의 아래에 형성된 제 1 절연층과,상기 제 1 절연층 중에 매립되어 제 1 절연층 표면에 노출된 표면을 갖는 하층 다마신 배선을 더 갖고,상기 다마신 배선용 凹부가 상기 제 1 폭을 갖는 배선홈과, 상기 배선홈의 저면으로부터 상기 제 2 절연층의 남은 두께를 관통하여 상기 하층 다마신 배선에 이르도록 형성된 비어홀을 포함하는 반도체 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 다마신 배선의 표면이 전부 상기 표면 배선 패턴으로 덮여 있는 반도체 장치.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 제 2 절연층 상에 형성되며, 하층과 전기적 접속을 갖지 않는 제 2 위치 맞춤 표면 배선 패턴을 갖고, 상기 제 3 절연층이 상기 표면 배선 패턴의 일부 표면 상에 개구부를 더 갖는 반도체 장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 표면 배선층이 제 2 주배선층과 그 위에 형성된 제 2 배리어 메탈층의적층을 포함하고, 상기 개구부 내에서 상기 제 2 배리어 메탈층이 제거되어 있는 반도체 장치.
- 복수의 반도체 소자를 갖는 반도체 기판과,상기 반도체 기판 상에 형성된 제 1 절연층과,상기 제 1 절연층 중에 매립되어 제 1 절연층 표면에 노출된 표면을 갖는 하층 다마신 배선과,상기 제 1 절연층 상에 형성된 제 2 절연층과,상기 제 2 절연층의 표면으로부터 도중의 깊이까지 형성된 배선홈과, 상기 배선홈의 저면으로부터 상기 제 2 절연층의 남은 두께를 관통하여 상기 하층 다마신 배선에 이르도록 형성된 비어홀을 포함한 다마신 배선용 凹부와,상기 다마신 배선용 凹부를 매립하여 형성되며, 상기 제 2 절연층 표면과 거의 동일한 면의 표면을 갖는 다마신 배선과,상기 제 2 절연층 표면 상에 형성되며, 상기 다마신 배선에 접속된 표면 배선 패턴과,상기 표면 배선 패턴을 덮어서 상기 제 2 절연층 상에 형성된 제 3 절연층을 갖는 반도체 장치.
- (a) 복수의 반도체 소자를 형성한 반도체 기판을 포함하는 하지(underlay) 상에 제 2 절연층을 형성하는 공정과,(b) 상기 제 2 절연층의 표면으로부터 제 1 폭을 갖는 배선홈과, 제 1 폭보다 큰 제 2 폭을 갖는 위치 맞춤 홈을 형성하는 공정과,(c) 상기 배선홈을 평탄하게 매립하는 제 2 다마신 배선과 상기 위치 맞춤홈 내에 형성되어 제 1 단차를 갖는 위치 맞춤 배선 패턴을 형성하는 공정과,(d) 상기 제 2 절연층 상에, 상기 위치 맞춤 홈 상에서 상기 제 1 단차를 반영하는 제 2 단차를 형성하는 표면 배선층을 형성하는 공정과,(e) 상기 표면 배선층 상에 레지스트막을 형성하고, 상기 제 2 단차를 위치 맞춤 마커로서 이용하여 상기 레지스트막을 노광하고 현상해서 레지스트 패턴을 형성하는 공정과,(f) 상기 레지스트 패턴을 에칭 마스크로 하여 상기 표면 배선층을 에칭하여, 상기 배선 패턴과 접속된 표면 배선 패턴을 형성하는 공정을 포함하는 반도체 장치의 제조 방법.
- 제 7 항에 있어서,상기 공정 (f)에서는 위치 맞춤 표변 배선 패턴도 형성하고,(g) 상기 표면 배선을 덮어서 제 2 절연층 상에 제 3 절연층을 형성하는 공정과,(h) 상기 위치 맞춤 표면 배선 패턴을 위치 맞춤용 마커로서 이용하여 상기 표면 배선 패턴의 일부 영역 상의 제 3 절연층을 제거하는 공정과,(x) 상기 공정 (a)의 전에 상기 하지에 제 1 다마신 배선을 매립한 제 1 절연층을 형성하는 공정을 더 포함하고,상기 배선홈은 그 아래쪽에 상기 제 1 다마신 배선에 이르는 비어홀을 갖는 반도체 장치의 제조 방법.
- 제 8 항에 있어서,상기 공정 (d)에서는 주배선층과 그 위의 상측 배리어 메탈층과의 적층을 포함하는 표면 배선층을 형성하고, 상기 공정 (h)에서는 상기 상측 배리어 메탈층을 제거하는 반도체 장치의 제조 방법.
- 제 7 항 내지 제 9 항 중 어느 한 항에 있어서,상기 공정 (b)는 제 2 절연층에 비어홀과 위치 맞춤용 홈을 형성하는 공정과, 제 2 절연층 상에 레지스트막을 형성하는 공정과, 상기 위치 맞춤용 홈을 위치 맞춤 마커로서 이용하여 레지스트막에 배선홈 및 위치 맞춤홈용의 개구부를 형성하는 공정을 포함하는 반도체 장치의 제조 방법.
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JP2002313910A (ja) | 2002-10-25 |
US20020149109A1 (en) | 2002-10-17 |
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