KR20070008366A - 반도체 장치의 제조 방법 및 반도체 장치 - Google Patents
반도체 장치의 제조 방법 및 반도체 장치 Download PDFInfo
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- KR20070008366A KR20070008366A KR1020050096847A KR20050096847A KR20070008366A KR 20070008366 A KR20070008366 A KR 20070008366A KR 1020050096847 A KR1020050096847 A KR 1020050096847A KR 20050096847 A KR20050096847 A KR 20050096847A KR 20070008366 A KR20070008366 A KR 20070008366A
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- Prior art keywords
- film
- copper alloy
- copper
- metal
- insulating film
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 176
- 239000010949 copper Substances 0.000 title claims abstract description 106
- 239000004065 semiconductor Substances 0.000 title claims abstract description 102
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 87
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims description 62
- 238000009792 diffusion process Methods 0.000 title description 35
- 230000003449 preventive effect Effects 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 claims abstract description 192
- 239000002184 metal Substances 0.000 claims abstract description 170
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 99
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 99
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 69
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000001301 oxygen Substances 0.000 claims abstract description 67
- 230000004888 barrier function Effects 0.000 claims abstract description 57
- 239000012212 insulator Substances 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 229910045601 alloy Inorganic materials 0.000 claims description 28
- 239000000956 alloy Substances 0.000 claims description 28
- 230000008018 melting Effects 0.000 claims description 23
- 238000002844 melting Methods 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 22
- 229910052719 titanium Inorganic materials 0.000 claims description 22
- 229910052715 tantalum Inorganic materials 0.000 claims description 21
- 229910052804 chromium Inorganic materials 0.000 claims description 20
- 229910052749 magnesium Inorganic materials 0.000 claims description 20
- 229910052748 manganese Inorganic materials 0.000 claims description 19
- 229910052726 zirconium Inorganic materials 0.000 claims description 19
- 239000000470 constituent Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 8
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 7
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 7
- 125000004434 sulfur atom Chemical group 0.000 claims description 7
- 150000004767 nitrides Chemical class 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000036961 partial effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 106
- 239000011229 interlayer Substances 0.000 description 40
- 238000007747 plating Methods 0.000 description 39
- 239000012535 impurity Substances 0.000 description 37
- 238000005275 alloying Methods 0.000 description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- 230000002265 prevention Effects 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 12
- 229910052757 nitrogen Inorganic materials 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- 230000005012 migration Effects 0.000 description 11
- 238000013508 migration Methods 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 229910052801 chlorine Inorganic materials 0.000 description 10
- 239000000460 chlorine Substances 0.000 description 10
- 238000011156 evaluation Methods 0.000 description 10
- 229910052717 sulfur Inorganic materials 0.000 description 10
- 229910052718 tin Inorganic materials 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910016347 CuSn Inorganic materials 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 238000004544 sputter deposition Methods 0.000 description 9
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 8
- 229910016507 CuCo Inorganic materials 0.000 description 8
- 229910003336 CuNi Inorganic materials 0.000 description 8
- 229910002535 CuZn Inorganic materials 0.000 description 8
- 125000004429 atom Chemical group 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 229910052738 indium Inorganic materials 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 239000011593 sulfur Substances 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 150000002739 metals Chemical class 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 125000004430 oxygen atom Chemical group O* 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- -1 that is Inorganic materials 0.000 description 5
- 229910000967 As alloy Inorganic materials 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229910018565 CuAl Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 101150089047 cutA gene Proteins 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 229910052789 astatine Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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- 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
- H01L23/532—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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- 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
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- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
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- H01L21/2885—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition using an external electrical current, i.e. electro-deposition
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- 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
- H01L21/76829—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76831—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers in via holes or trenches, e.g. non-conductive sidewall liners
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- H01L21/76841—Barrier, adhesion or liner layers
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- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
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- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
- H01L21/76873—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers for electroplating
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- 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
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Abstract
Description
Claims (13)
- (a) 반도체 기판 위에 형성된 산소를 함유하는 절연체의 표면 위에 구리 이외에 적어도 2종류의 금속 원소를 포함하는 구리 합금 피막을 형성하는 공정과,(b) 상기 구리 합금 피막 위에 순(純)구리 또는 구리 합금으로 이루어지는 금속막을 형성하는 공정을 갖고, 또한,(c) 상기 공정 (a) 또는 공정 (b) 후에 상기 절연체 중의 산소와 상기 구리 합금 피막 중의 금속 원소가 반응하여 상기 절연체의 표면에 금속 산화물막이 형성되는 조건에서 열처리를 행하는 공정을 갖는 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 구리 합금 피막은 Al, Mg, Mn 및 Cr으로 이루어지는 그룹에서 선택된 적어도 하나의 금속 원소와, Ti, Ta 및 Zr으로 이루어지는 그룹에서 선택된 적어도 하나의 금속 원소를 포함하는 반도체 장치의 제조 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 공정 (a)는 상기 절연체의 표면 위에 구리 합금으로 이루어지는 제 1 피막을 형성하는 공정과, 상기 제 1 피막 위에 상기 제 1 피막과는 다른 구리 합금으로 이루어지는 제 2 피막을 형성하는 공정을 포함하는 반도체 장치의 제조 방법.
- 제 1 항 또는 제 2 항에 있어서,상기 공정 (a)에서, 구리 이외에 적어도 2종류의 금속 원소를 포함하는 적어도 3원소의 구리 합금으로 이루어지는 상기 구리 합금 피막을 형성하는 반도체 장치의 제조 방법.
- (a) 반도체 기판 위에 형성된 산소를 함유하는 절연체의 표면 위에 고융점 금속, 고융점 금속 원소를 포함하는 합금 또는 고융점 금속 원소의 질화물로 이루어지는 배리어 메탈층(barrier metal layer)을 형성하는 공정과,(b) 상기 배리어 메탈층 위에 구리 합금막을 형성하는 공정과,(c) 상기 절연체와 상기 구리 합금막이 접촉하고 있는 상태이면, 그 절연체 중의 산소와, 그 구리 합금막 중의 금속 원소가 반응하여 금속 산화물이 형성되는 조건에서 열처리를 행하는 공정을 갖는 반도체 장치의 제조 방법.
- 제 5 항에 있어서,상기 절연체 표면에 오목부가 형성되어 있고, 상기 공정 (a) 및 공정 (b)에서, 상기 오목부의 내면에 따르도록 상기 배리어 메탈층 및 상기 구리 합금막을 형성하고, 상기 공정 (b) 후에 상기 오목부 내의 공간을 충전하도록 상기 구리 합금막과는 다른 구리 합금 또는 구리로 형성된 금속막을 형성하는 공정을 포함하는 반 도체 장치의 제조 방법.
- 반도체 기판 위에 형성되고, 산소를 함유하는 절연물로 이루어지는 절연막과,상기 절연막에 형성된 오목부와,상기 오목부 내에 충전된 구리 또는 구리 합금으로 이루어지는 도전 부재와,상기 절연막과 상기 도전 부재의 계면(界面)에 배치되고, 구리와, 구리 이외의 적어도 2종류의 금속 원소를 포함하는 금속 산화물막을 갖고,상기 도전 부재 중 상기 금속 산화물막에 접하는 일부 영역이 그 금속 산화물막을 구성하는 적어도 2종류의 금속 원소와 구리의 합금으로 형성되어 있는 반도체 장치.
- 제 7 항에 있어서,상기 금속 산화물막이 Al, Mg, Mn 및 Cr으로 이루어지는 그룹에서 선택된 하나의 금속 원소와, Ti, Ta 및 Zr으로 이루어지는 그룹에서 선택된 하나의 금속 원소를 포함하는 반도체 장치.
- 반도체 기판 위에 형성되고, 산소를 함유하는 절연물로 이루어지는 절연막과,상기 절연막에 형성된 오목부와,상기 오목부의 내면을 덮고, 고융점 금속, 고융점 금속 원소를 포함하는 합금 또는 고융점 금속 원소의 질화물로 이루어지는 배리어 메탈층과,상기 배리어 메탈층 위에 형성된 구리 합금막을 갖고,상기 절연물 표면의 일부 영역에서, 상기 구리 합금막 중의 금속 원소와 상기 절연막 중의 산소가 상호 확산하고 반응하여, 금속 산화물이 형성되어 있는 반도체 장치.
- (a) 반도체 기판 위에 형성되고, 산소를 함유하는 절연물로 이루어지는 비어층 절연막에 비어 홀(via hole)을 형성하는 공정과,(b) 상기 비어 홀 내에 충전되도록 상기 비어층 절연막 위에 제 1 구리 합금막을 형성하는 공정과,(c) 상기 제 1 구리 합금막의 불필요한 부분을 제거하고, 상기 비어 홀 내에 구리 합금으로 이루어지는 도전 플러그를 남기는 공정과,(d) 상기 비어층 절연막 위에 산소를 함유하는 절연물로 이루어지는 배선층 절연막을 형성하는 공정과,(e) 상기 배선층 절연막에 배선 홈을 형성하는 공정과,(f) 상기 배선 홈 내에 충전되도록 상기 배선층 절연막 위에 제 2 구리 합금막을 형성하는 공정과,(g) 상기 제 2 구리 합금막의 불필요한 부분을 제거하고, 상기 배선 홈 내에 구리 합금으로 이루어지는 배선을 남기는 공정을 갖고, 또한,(h) 상기 공정 (b) 후에 제 1 열처리를 행하고, 상기 비어층 절연막과 상기 도전 플러그의 계면에 상기 도전 플러그의 구성 원소와 상기 비어층 절연막 내의 산소를 반응시켜 비어용 금속 산화물막을 형성하는 공정과,(i) 상기 공정 (f) 후에 제 2 열처리를 행하고, 상기 배선층 절연막과 상기 배선의 계면에 그 배선의 구성 원소와 그 배선층 절연막 내의 산소를 반응시켜 배선용 금속 산화물막을 형성하는 공정을 갖는 반도체 장치의 제조 방법.
- 반도체 기판 위에 형성되고, 산소를 함유하는 절연 재료로 이루어지는 제 1 절연막과,상기 제 1 절연막을 관통하는 비어 홀과,상기 비어 홀 내에 충전된 구리 또는 구리 합금으로 이루어지는 도전 플러그와,상기 제 1 절연막 위에 형성된 제 2 절연막과,상기 제 2 절연막에 형성되고, 상기 도전 플러그 위를 통과하여 그 도전 플러그의 상면을 노출시키는 배선 홈과,상기 배선 홈에 충전되고, 탄소 원자, 질소 원자, 유황 원자 및 염소 원자의 원자 농도의 합계가 상기 도전 플러그 중의 원자 농도의 합계보다도 높은 구리 또는 구리 합금으로 이루어지는 배선과,상기 제 1 절연막과 상기 도전 플러그의 계면에 상기 도전 플러그의 구성 원소 중 어느 하나를 포함하는 금속 산화물막을 갖는 반도체 장치.
- (a) 반도체 기판 위에 형성된 산소를 함유하는 절연체의 표면 위에 구리 이외에 적어도 1종류의 금속 원소를 포함하는 구리 합금 피막을 형성하는 공정과,(b) 상기 구리 합금 피막 위에 그 구리 합금 피막과는 다른 종류의 구리 합금으로 이루어지는 금속막을 형성하는 공정과,(c) 상기 절연체 중의 산소, 상기 구리 합금 피막 중의 금속 원소 및 상기 금속막 중의 금속 원소가 반응하여 상기 절연체의 표면에 금속 산화물막이 형성되는 조건에서 열처리를 행하는 공정을 갖는 반도체 장치의 제조 방법.
- 반도체 기판 위에 형성되고, 산소를 함유하는 절연물로 이루어지는 절연막과,상기 절연막에 형성된 오목부와,상기 오목부 내에 충전된 구리 합금으로 이루어지는 도전 부재와,상기 절연막과 상기 도전 부재의 계면에 배치되고, 구리와, 상기 도전 부재에 포함되는 구리 이외의 합금 원소와, 또한 적어도 하나의 금속 원소를 더 포함하는 금속 산화물막을 갖는 반도체 장치.
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2005
- 2005-07-13 JP JP2005204409A patent/JP4589835B2/ja not_active Expired - Fee Related
- 2005-09-29 TW TW094134073A patent/TWI284959B/zh not_active IP Right Cessation
- 2005-10-04 EP EP05256204A patent/EP1744358A1/en not_active Withdrawn
- 2005-10-04 EP EP16191043.5A patent/EP3133637B1/en not_active Expired - Fee Related
- 2005-10-14 US US11/249,442 patent/US7611984B2/en not_active Expired - Fee Related
- 2005-10-14 KR KR1020050096847A patent/KR100755965B1/ko active IP Right Grant
- 2005-10-28 CN CN2009101285214A patent/CN101504932B/zh not_active Expired - Fee Related
- 2005-10-28 CN CNB200510118486XA patent/CN100481377C/zh not_active Expired - Fee Related
-
2009
- 2009-09-18 US US12/562,628 patent/US20100007023A1/en not_active Abandoned
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- 2011-02-28 US US13/036,522 patent/US8383509B2/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101144219B1 (ko) * | 2007-11-14 | 2012-05-11 | 후지쯔 세미컨덕터 가부시키가이샤 | 반도체 장치 및 그 제조 방법 |
US8067836B2 (en) | 2008-06-25 | 2011-11-29 | Fujitsu Semiconductor Limited | Semiconductor device with reduced increase in copper film resistance |
KR101116785B1 (ko) * | 2008-06-25 | 2012-03-14 | 후지쯔 세미컨덕터 가부시키가이샤 | 반도체 장치 및 그 제조방법 |
WO2013100894A1 (en) * | 2011-12-27 | 2013-07-04 | Intel Corporation | Method of forming low resistivity tanx/ta diffusion barriers for backend interconnects |
Also Published As
Publication number | Publication date |
---|---|
JP4589835B2 (ja) | 2010-12-01 |
US20110151662A1 (en) | 2011-06-23 |
US8383509B2 (en) | 2013-02-26 |
CN101504932B (zh) | 2011-06-29 |
EP3133637B1 (en) | 2018-04-11 |
EP3133637A1 (en) | 2017-02-22 |
EP1744358A1 (en) | 2007-01-17 |
TW200703555A (en) | 2007-01-16 |
CN100481377C (zh) | 2009-04-22 |
CN1897245A (zh) | 2007-01-17 |
CN101504932A (zh) | 2009-08-12 |
US20070020931A1 (en) | 2007-01-25 |
TWI284959B (en) | 2007-08-01 |
US7611984B2 (en) | 2009-11-03 |
KR100755965B1 (ko) | 2007-09-06 |
US20100007023A1 (en) | 2010-01-14 |
JP2007027259A (ja) | 2007-02-01 |
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