JP2010267971A - 窒素含有前駆物質を用いる誘電体バリアの堆積 - Google Patents
窒素含有前駆物質を用いる誘電体バリアの堆積 Download PDFInfo
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- JP2010267971A JP2010267971A JP2010111328A JP2010111328A JP2010267971A JP 2010267971 A JP2010267971 A JP 2010267971A JP 2010111328 A JP2010111328 A JP 2010111328A JP 2010111328 A JP2010111328 A JP 2010111328A JP 2010267971 A JP2010267971 A JP 2010267971A
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- Prior art keywords
- bis
- dielectric film
- barrier dielectric
- silicon carbonitride
- integrated circuit
- Prior art date
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- 230000004888 barrier function Effects 0.000 title claims abstract description 87
- 239000002243 precursor Substances 0.000 title claims abstract description 43
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 title claims description 10
- 230000008021 deposition Effects 0.000 title description 17
- 238000000034 method Methods 0.000 claims abstract description 40
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 38
- 239000010703 silicon Substances 0.000 claims abstract description 38
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000001257 hydrogen Substances 0.000 claims abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 5
- 125000003118 aryl group Chemical group 0.000 claims abstract description 4
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 4
- 125000004417 unsaturated alkyl group Chemical group 0.000 claims abstract description 4
- -1 isopropylamino Chemical group 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 11
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 claims description 9
- 239000000376 reactant Substances 0.000 claims description 9
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- CKPCWHCCTJSKHK-UHFFFAOYSA-N CC(C)N[SiH](CC=C)NC(C)C Chemical compound CC(C)N[SiH](CC=C)NC(C)C CKPCWHCCTJSKHK-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- BASWICOLKLXVRR-UHFFFAOYSA-N N,N'-di(propan-2-yl)-1-silylmethanediamine Chemical compound C(C)(C)NC(NC(C)C)[SiH3] BASWICOLKLXVRR-UHFFFAOYSA-N 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- WWDXBDRBEKUZOS-UHFFFAOYSA-N n-[bis(ethenyl)-(propan-2-ylamino)silyl]propan-2-amine Chemical compound CC(C)N[Si](C=C)(C=C)NC(C)C WWDXBDRBEKUZOS-UHFFFAOYSA-N 0.000 claims description 5
- ZQIFANAXOWQNDP-UHFFFAOYSA-N CCN(C)[SiH](CC=C)N(C)CC Chemical compound CCN(C)[SiH](CC=C)N(C)CC ZQIFANAXOWQNDP-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- UTCNUORGKRQMGA-UHFFFAOYSA-N N,N,N',N'-tetraethyl-1-silylmethanediamine Chemical compound CCN(CC)C([SiH3])N(CC)CC UTCNUORGKRQMGA-UHFFFAOYSA-N 0.000 claims description 4
- ANMCQYPNSHSXQM-UHFFFAOYSA-N N-[(tert-butylamino)-prop-2-enylsilyl]-2-methylpropan-2-amine Chemical compound CC(C)(C)N[SiH](CC=C)NC(C)(C)C ANMCQYPNSHSXQM-UHFFFAOYSA-N 0.000 claims description 4
- HNKZSKHYGIYZNS-UHFFFAOYSA-N N-[[ethyl(methyl)amino]-methylsilyl]-N-methylethanamine Chemical compound CCN(C)[SiH](C)N(C)CC HNKZSKHYGIYZNS-UHFFFAOYSA-N 0.000 claims description 4
- MZCLDLQRNBVYQF-UHFFFAOYSA-N N-[diethylamino(prop-2-enyl)silyl]-N-ethylethanamine Chemical compound CCN(CC)[SiH](CC=C)N(CC)CC MZCLDLQRNBVYQF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- GYAFWFQRCYPXHP-UHFFFAOYSA-N n-[(tert-butylamino)-bis(ethenyl)silyl]-2-methylpropan-2-amine Chemical compound CC(C)(C)N[Si](C=C)(C=C)NC(C)(C)C GYAFWFQRCYPXHP-UHFFFAOYSA-N 0.000 claims description 4
- LREMVJGWYSKMSG-UHFFFAOYSA-N n-[(tert-butylamino)-dimethylsilyl]-2-methylpropan-2-amine Chemical compound CC(C)(C)N[Si](C)(C)NC(C)(C)C LREMVJGWYSKMSG-UHFFFAOYSA-N 0.000 claims description 4
- UYGIYVFPQLCZME-UHFFFAOYSA-N n-[[ethyl(methyl)amino]-dimethylsilyl]-n-methylethanamine Chemical compound CCN(C)[Si](C)(C)N(C)CC UYGIYVFPQLCZME-UHFFFAOYSA-N 0.000 claims description 4
- YTMGVLAWLCOWNT-UHFFFAOYSA-N n-[bis(ethenyl)-[ethyl(methyl)amino]silyl]-n-methylethanamine Chemical compound CCN(C)[Si](C=C)(C=C)N(C)CC YTMGVLAWLCOWNT-UHFFFAOYSA-N 0.000 claims description 4
- UNOQITWAUFOMKI-UHFFFAOYSA-N n-[dimethyl-(propan-2-ylamino)silyl]propan-2-amine Chemical compound CC(C)N[Si](C)(C)NC(C)C UNOQITWAUFOMKI-UHFFFAOYSA-N 0.000 claims description 4
- QULMGWCCKILBTO-UHFFFAOYSA-N n-[dimethylamino(dimethyl)silyl]-n-methylmethanamine Chemical compound CN(C)[Si](C)(C)N(C)C QULMGWCCKILBTO-UHFFFAOYSA-N 0.000 claims description 4
- ZLFSYABWWPSEIO-UHFFFAOYSA-N CC(C)NC(NC(C)C)[SiH](NC(C)(C)C)NC(C)(C)C Chemical compound CC(C)NC(NC(C)C)[SiH](NC(C)(C)C)NC(C)(C)C ZLFSYABWWPSEIO-UHFFFAOYSA-N 0.000 claims description 3
- QHAGXAMIOHMMLX-UHFFFAOYSA-N CCN(CC)C(C=C)(N(CC)CC)[SiH](N(C)C)N(C)C Chemical compound CCN(CC)C(C=C)(N(CC)CC)[SiH](N(C)C)N(C)C QHAGXAMIOHMMLX-UHFFFAOYSA-N 0.000 claims description 3
- XIFOKLGEKUNZTI-UHFFFAOYSA-N n-[diethylamino(dimethyl)silyl]-n-ethylethanamine Chemical compound CCN(CC)[Si](C)(C)N(CC)CC XIFOKLGEKUNZTI-UHFFFAOYSA-N 0.000 claims description 3
- VBYLGQXERITIBP-UHFFFAOYSA-N n-[dimethylamino(methyl)silyl]-n-methylmethanamine Chemical compound CN(C)[SiH](C)N(C)C VBYLGQXERITIBP-UHFFFAOYSA-N 0.000 claims description 3
- DMSOEJVWAVNUGE-UHFFFAOYSA-N n-[dimethylamino-bis(ethenyl)silyl]-n-methylmethanamine Chemical compound CN(C)[Si](C=C)(C=C)N(C)C DMSOEJVWAVNUGE-UHFFFAOYSA-N 0.000 claims description 3
- 239000010408 film Substances 0.000 description 101
- 239000010410 layer Substances 0.000 description 21
- 238000000151 deposition Methods 0.000 description 18
- 239000012528 membrane Substances 0.000 description 12
- 239000010949 copper Substances 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 208000029523 Interstitial Lung disease Diseases 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- VYIRVGYSUZPNLF-UHFFFAOYSA-N n-(tert-butylamino)silyl-2-methylpropan-2-amine Chemical compound CC(C)(C)N[SiH2]NC(C)(C)C VYIRVGYSUZPNLF-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 235000012431 wafers Nutrition 0.000 description 7
- 230000010354 integration Effects 0.000 description 6
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 4
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- KEZNWRQOJALENJ-UHFFFAOYSA-N CCN(CC)C(N(CC)CC)[SiH](N(C)C)N(C)C Chemical compound CCN(CC)C(N(CC)CC)[SiH](N(C)C)N(C)C KEZNWRQOJALENJ-UHFFFAOYSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- ZVXBAMHPFUBBBZ-UHFFFAOYSA-N N-[(tert-butylamino)-methylsilyl]-2-methylpropan-2-amine Chemical compound C[SiH](NC(C)(C)C)NC(C)(C)C ZVXBAMHPFUBBBZ-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 238000000560 X-ray reflectometry Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 150000001343 alkyl silanes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229940104869 fluorosilicate Drugs 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000012705 liquid precursor Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- FIRXZHKWFHIBOF-UHFFFAOYSA-N n-(dimethylamino-ethenyl-methylsilyl)-n-methylmethanamine Chemical compound CN(C)[Si](C)(C=C)N(C)C FIRXZHKWFHIBOF-UHFFFAOYSA-N 0.000 description 1
- FYYCXYLMGPRWLV-UHFFFAOYSA-N n-[diethylamino-bis(ethenyl)silyl]-n-ethylethanamine Chemical compound CCN(CC)[Si](C=C)(C=C)N(CC)CC FYYCXYLMGPRWLV-UHFFFAOYSA-N 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 150000004760 silicates Chemical class 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
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 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
- 239000002344 surface layer Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/36—Carbonitrides
-
- 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
- H01L21/314—Inorganic layers
- H01L21/3148—Silicon Carbide 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
- H01L21/76829—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
-
- 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
- H01L21/76829—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
- H01L21/76834—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 formation of thin insulating films on the sidewalls or on top of conductors
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—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
- H01L21/02112—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
- H01L21/02123—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
- 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
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—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
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Abstract
【解決手段】集積回路基板の誘電体膜と金属相互接続との間に、炭窒化ケイ素バリア誘電体膜を形成する方法であって、誘電体膜を有する集積回路基板を提供すること、この基板をRxR’y(NR”R”’)zSiを含むバリア誘電体膜の前駆物質と接触させること(R、R’、R”及びR”’はそれぞれ個々に、水素、直鎖若しくは分岐の飽和若しくは不飽和アルキル、又は芳香族から選択され;x+y+z=4;z=1〜3であるが、R及びR’の両方が同時に水素にはならない);及び集積回路基板上でC/Si比0.8超かつN/Si比0.2超の炭窒化ケイ素バリア誘電体膜を形成することを含む方法。
【選択図】なし
Description
誘電体膜を有する集積回路基板を提供すること、
前記基板を、RxR’y(NR”R”’)zSiを含むバリア誘電体膜の前駆物質と接触させること(R、R’、R”及びR”’はそれぞれ個々に、水素、直鎖若しくは分岐の飽和若しくは不飽和アルキル、又は芳香族から選択され;x+y+z=4;z=1〜3であるが、R及びR’の両方が同時に水素にはならない);及び
前記集積回路基板上でC/Si比0.8超かつN/Si比0.2超の炭窒化ケイ素バリア誘電体膜を形成すること。
ビス(イソプロピルアミノ)ビニルメチルシラン;ビス(イソプロピルアミノ)ジビニルシラン;ビス(t‐ブチルアミノ)ビニルメチルシラン;ビス(t‐ブチルアミノ)ジビニルシラン;ビス(ジエチルアミノ)ビニルメチルシラン;ビス(ジエチルアミノ)ジビニルシラン;ビス(ジメチルアミノ)ビニルメチルシラン;ビス(ジメチルアミノ)ジビニルシラン;ビス(メチルエチルアミノ)ビニルメチルシラン;ビス(メチルエチルアミノ)ジビニルシラン;ビス(イソプロピルアミノ)アリルメチルシラン;ビス(イソプロピルアミノ)ジアリルシラン;ビス(t‐ブチルアミノ)アリルメチルシラン;ビス(t‐ブチルアミノ)ジアリルシラン;ビス(ジエチルアミノ)アリルメチルシラン;ビス(ジエチルアミノ)ジアリルシラン;ビス(ジメチルアミノ)アリルメチルシラン;ビス(ジメチルアミノ)ジアリルシラン;ビス(メチルエチルアミノ)アリルメチルシラン;ビス(メチルエチルアミノ)ジアリルシラン;ビス(イソプロピルアミノ)メチルシラン;ビス(イソプロピルアミノ)ジメチルシラン;ビス(t‐ブチルアミノ)メチルシラン;ビス(t‐ブチルアミノ)ジメチルシラン;ビス(ジエチルアミノ)メチルシラン;ビス(ジエチルアミノ)ジメチルシラン;ビス(ジメチルアミノ)メチルシラン;ビス(ジメチルアミノ)ジメチルシラン;ビス(メチルエチルアミノ)メチルシラン;ビス(メチルエチルアミノ)ジメチルシラン;及びそれらの混合物。
電体膜を有する集積回路基板を提供すること、
前記基板を、RxR’y(NR”R”’)zSiを含むバリア誘電体膜の前駆物質と接触させること(R、R’、R”及びR”’はそれぞれ個々に、水素、直鎖若しくは分岐の飽和若しくは不飽和アルキル、又は芳香族から選択され;x+y+z=4;z=1〜3であるが、R及びR’の両方が同時に水素にはならない);及び
前記集積回路基板上でC/Si比0.8超かつN/Si比0.2超の炭窒化ケイ素バリア誘電体膜を形成すること。
ビス(イソプロピルアミノ)ビニルメチルシラン;ビス(イソプロピルアミノ)ジビニルシラン;ビス(t‐ブチルアミノ)ビニルメチルシラン;ビス(t‐ブチルアミノ)ジビニルシラン;ビス(ジエチルアミノ)ビニルメチルシラン;ビス(ジエチルアミノ)ジビニルシラン;ビス(ジメチルアミノ)ビニルメチルシラン;ビス(ジメチルアミノ)ジビニルシラン;ビス(メチルエチルアミノ)ビニルメチルシラン;ビス(メチルエチルアミノ)ジビニルシラン;ビス(イソプロピルアミノ)アリルメチルシラン;ビス(イソプロピルアミノ)ジアリルシラン;ビス(t‐ブチルアミノ)アリルメチルシラン;ビス(t‐ブチルアミノ)ジアリルシラン;ビス(ジエチルアミノ)アリルメチルシラン;ビス(ジエチルアミノ)ジアリルシラン;ビス(ジメチルアミノ)アリルメチルシラン;ビス(ジメチルアミノ)ジアリルシラン;ビス(メチルエチルアミノ)アリルメチルシラン;ビス(メチルエチルアミノ)ジアリルシラン;ビス(イソプロピルアミノ)メチルシラン;ビス(イソプロピルアミノ)ジメチルシラン;ビス(t‐ブチルアミノ)メチルシラン;ビス(t‐ブチルアミノ)ジメチルシラン;ビス(ジエチルアミノ)メチルシラン;ビス(ジエチルアミノ)ジメチルシラン;ビス(ジメチルアミノ)メチルシラン;ビス(ジメチルアミノ)ジメチルシラン;ビス(メチルエチルアミノ)メチルシラン;ビス(メチルエチルアミノ)ジメチルシラン;及びそれらの混合物。
Claims (20)
- 集積回路基板の誘電体膜と金属相互接続との間に、炭窒化ケイ素バリア誘電体膜を形成する方法であって、
誘電体膜を有する集積回路基板を提供すること、
前記基板を、RxR’y(NR”R”’)zSiを含むバリア誘電体膜の前駆物質と接触させること(R、R’、R”及びR”’はそれぞれ個々に、水素、直鎖若しくは分岐の飽和若しくは不飽和アルキル、又は芳香族から選択され;x+y+z=4;z=1〜3であるが、R及びR’の両方が同時に水素にはならない);
前記集積回路基板上で、C/Si比0.8超かつN/Si比0.2超の炭窒化ケイ素バリア誘電体膜を形成すること、
を含む、炭窒化ケイ素バリア誘電体膜を形成する方法。 - 前記炭窒化ケイ素バリア誘電体膜の形成の後に、金属相互接続を提供する、請求項1に記載の方法。
- 前記炭窒化ケイ素バリア誘電体膜の形成の前に、金属相互接続を提供する、請求項1に記載の方法。
- 前記炭窒化ケイ素バリア誘電体膜の形成の後に、誘電体膜を提供する、請求項3に記載の方法。
- 前記バリア誘電体膜の前駆物質が、下記の群から選択される、請求項1に記載の方法:
ビス(イソプロピルアミノ)ビニルメチルシラン;ビス(イソプロピルアミノ)ジビニルシラン;ビス(t‐ブチルアミノ)ビニルメチルシラン;ビス(t‐ブチルアミノ)ジビニルシラン;ビス(ジエチルアミノ)ビニルメチルシラン;ビス(ジエチルアミノ)ジビニルシラン;ビス(ジメチルアミノ)ビニルメチルシラン;ビス(ジメチルアミノ)ジビニルシラン;ビス(メチルエチルアミノ)ビニルメチルシラン;ビス(メチルエチルアミノ)ジビニルシラン;ビス(イソプロピルアミノ)アリルメチルシラン;ビス(イソプロピルアミノ)ジアリルシラン;ビス(t‐ブチルアミノ)アリルメチルシラン;ビス(t‐ブチルアミノ)ジアリルシラン;ビス(ジエチルアミノ)アリルメチルシラン;ビス(ジエチルアミノ)ジアリルシラン;ビス(ジメチルアミノ)アリルメチルシラン;ビス(ジメチルアミノ)ジアリルシラン;ビス(メチルエチルアミノ)アリルメチルシラン;ビス(メチルエチルアミノ)ジアリルシラン;ビス(イソプロピルアミノ)メチルシラン;ビス(イソプロピルアミノ)ジメチルシラン;ビス(t‐ブチルアミノ)メチルシラン;ビス(t‐ブチルアミノ)ジメチルシラン;ビス(ジエチルアミノ)メチルシラン;ビス(ジエチルアミノ)ジメチルシラン;ビス(ジメチルアミノ)メチルシラン;ビス(ジメチルアミノ)ジメチルシラン;ビス(メチルエチルアミノ)メチルシラン;ビス(メチルエチルアミノ)ジメチルシラン;及びそれらの混合物。 - z=2である、請求項1に記載の方法。
- 前記バリア誘電体膜を、プラズマ促進化学気相成長条件下で形成する、請求項1に記載の方法。
- 前記炭窒化ケイ素バリア誘電体膜が、1.6〜2.2g/ccの範囲の密度を有する、請求項1に記載の方法。
- 前記炭窒化ケイ素バリア誘電体膜が、1.7〜2.0g/ccの範囲の密度を有する、請求項8に記載の方法。
- 前記炭窒化ケイ素バリア誘電体膜が、5.0未満のkを有する、請求項1に記載の方法。
- 前記炭窒化ケイ素バリア誘電体膜が、4.0〜4.5の範囲のkを有する、請求項1に記載の方法。
- 前記炭窒化ケイ素バリア誘電体膜が、膜の深さにわたって変化するケイ素、炭素及び窒素の組成傾斜を有する、請求項1に記載の方法。
- 集積回路基板の誘電体膜と金属相互接続との間に、炭窒化ケイ素バリア誘電体膜を形成する方法であって、
誘電体膜を有する集積回路基板を提供すること、
前記基板を、ビス(イソプロピルアミノ)ビニルメチルシラン含むバリア誘電体膜の前駆物質と接触させること、
を含み、かつ追加の窒素含有反応体を使用しない、炭窒化ケイ素バリア誘電体膜を形成する方法。 - 前記集積回路基板上で、C/Si比0.8超かつN/Si比0.2超の前記炭窒化ケイ素バリア誘電体膜を形成することを含む、請求項13に記載の方法。
- 集積回路基板の誘電体膜と金属相互接続との間に、炭窒化ケイ素バリア誘電体膜を形成する方法であって、
誘電体膜を有する集積回路基板を提供すること、
前記基板を、ビス(イソプロピルアミノ)ジビニルシラン含むバリア誘電体膜の前駆物質と接触させること、
を含み、かつ追加の窒素含有反応体を使用しない、炭窒化ケイ素バリア誘電体膜を形成する方法。 - 前記集積回路基板上で、C/Si比0.8超かつN/Si比0.2超の前記炭窒化ケイ素バリア誘電体膜を形成することを含む、請求項15に記載の方法。
- 集積回路基板の誘電体膜と金属相互接続との間に、炭窒化ケイ素バリア誘電体膜を形成する方法であって、
誘電体膜を有する集積回路基板を提供すること、
前記基板を、ビス(イソプロピルアミノ)ジメチルシラン含むバリア誘電体膜の前駆物質と接触させること、
を含み、かつ追加の窒素含有反応体を使用しない、炭窒化ケイ素バリア誘電体膜を形成する方法。 - 前記前記集積回路基板上で、C/Si比0.8超かつN/Si比0.2超の炭窒化ケイ素バリア誘電体膜を形成することを含む、請求項17に記載の製造方法。
- 集積回路基板の誘電体膜と金属相互接続との間に、炭窒化ケイ素バリア誘電体膜を形成する方法であって、
誘電体膜を有する集積回路基板を提供すること、
該基板を、ビス(イソプロピルアミノ)メチルシラン含むバリア誘電体膜の前駆物質と接触させること、
を含み、かつ追加の窒素含有反応体を使用しない、炭窒化ケイ素バリア誘電体膜を形成する方法。 - 前記集積回路基板上で、C/Si比0.8超かつN/Si比0.2超の炭窒化ケイ素バリア誘電体膜を形成することを含む、請求項19に記載の方法。
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CN101886255A (zh) | 2010-11-17 |
TW201041038A (en) | 2010-11-16 |
JP5006428B2 (ja) | 2012-08-22 |
TWI482219B (zh) | 2015-04-21 |
KR101144535B1 (ko) | 2012-05-11 |
CN101886255B (zh) | 2012-06-27 |
US8889235B2 (en) | 2014-11-18 |
EP2251899B1 (en) | 2018-03-28 |
EP2251899A1 (en) | 2010-11-17 |
KR20100122871A (ko) | 2010-11-23 |
US20100291321A1 (en) | 2010-11-18 |
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