CA2204394C - Compositions silicium-germanium-carbone et processus associes - Google Patents
Compositions silicium-germanium-carbone et processus associes Download PDFInfo
- Publication number
- CA2204394C CA2204394C CA 2204394 CA2204394A CA2204394C CA 2204394 C CA2204394 C CA 2204394C CA 2204394 CA2204394 CA 2204394 CA 2204394 A CA2204394 A CA 2204394A CA 2204394 C CA2204394 C CA 2204394C
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- CA
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- Prior art keywords
- layer
- etch
- silicon
- carbon
- atomic percent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 230000008569 process Effects 0.000 title abstract description 35
- 239000000203 mixture Substances 0.000 title abstract description 26
- AXQKVSDUCKWEKE-UHFFFAOYSA-N [C].[Ge].[Si] Chemical compound [C].[Ge].[Si] AXQKVSDUCKWEKE-UHFFFAOYSA-N 0.000 title description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 103
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 102
- 239000010703 silicon Substances 0.000 claims abstract description 100
- 239000000758 substrate Substances 0.000 claims abstract description 78
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 73
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 30
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 28
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims abstract description 4
- 229910005742 Ge—C Inorganic materials 0.000 claims abstract 32
- 239000000126 substance Substances 0.000 claims description 20
- 229910045601 alloy Inorganic materials 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 16
- 239000002019 doping agent Substances 0.000 claims description 16
- 238000005530 etching Methods 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000012212 insulator Substances 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 9
- 229910017604 nitric acid Inorganic materials 0.000 claims 9
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims 4
- 229910021084 KOH—H2O Inorganic materials 0.000 claims 3
- LUMVCLJFHCTMCV-UHFFFAOYSA-M potassium;hydroxide;hydrate Chemical compound O.[OH-].[K+] LUMVCLJFHCTMCV-UHFFFAOYSA-M 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000004377 microelectronic Methods 0.000 abstract description 3
- -1 Si-Ge-C) Chemical compound 0.000 abstract 1
- 238000005229 chemical vapour deposition Methods 0.000 description 23
- 235000012431 wafers Nutrition 0.000 description 19
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 18
- 229910005705 Ge—B Inorganic materials 0.000 description 15
- 229910052796 boron Inorganic materials 0.000 description 15
- 238000001228 spectrum Methods 0.000 description 13
- 230000007547 defect Effects 0.000 description 12
- 238000000151 deposition Methods 0.000 description 12
- 229910008310 Si—Ge Inorganic materials 0.000 description 11
- 125000004429 atom Chemical group 0.000 description 11
- 230000008021 deposition Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000012528 membrane Substances 0.000 description 10
- QUZPNFFHZPRKJD-UHFFFAOYSA-N germane Chemical compound [GeH4] QUZPNFFHZPRKJD-UHFFFAOYSA-N 0.000 description 9
- 229910052986 germanium hydride Inorganic materials 0.000 description 9
- 238000005001 rutherford backscattering spectroscopy Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 8
- 230000002950 deficient Effects 0.000 description 7
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 229910010271 silicon carbide Inorganic materials 0.000 description 6
- 230000003746 surface roughness Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000004627 transmission electron microscopy Methods 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 229910018540 Si C Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 229910000078 germane Inorganic materials 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 241000408659 Darpa Species 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- ZSBXGIUJOOQZMP-JLNYLFASSA-N Matrine Chemical compound C1CC[C@H]2CN3C(=O)CCC[C@@H]3[C@@H]3[C@H]2N1CCC3 ZSBXGIUJOOQZMP-JLNYLFASSA-N 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- MFGOFGRYDNHJTA-UHFFFAOYSA-N 2-amino-1-(2-fluorophenyl)ethanol Chemical compound NCC(O)C1=CC=CC=C1F MFGOFGRYDNHJTA-UHFFFAOYSA-N 0.000 description 1
- 229910001339 C alloy Inorganic materials 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229910008423 Si—B Inorganic materials 0.000 description 1
- 229910006367 Si—P Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000001015 X-ray lithography Methods 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 description 1
- ONRPGGOGHKMHDT-UHFFFAOYSA-N benzene-1,2-diol;ethane-1,2-diamine Chemical compound NCCN.OC1=CC=CC=C1O ONRPGGOGHKMHDT-UHFFFAOYSA-N 0.000 description 1
- HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Inorganic materials [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000001239 high-resolution electron microscopy Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 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
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Recrystallisation Techniques (AREA)
Abstract
Compositions à base de silicium-germanium qui comprennent du silicium, du germanium et du carbone (Si-Ge-C), procédés permettant de tirer une ou plusieurs couches épitaxiales (42) Si-Ge-C sur un substrat (32), réactifs d'attaque particulièrement adaptés aux couches d'arrêt (42) d'attaque Si-Ge-C et nouveaux procédés d'utilisation de compositions Si-Ge-C. La présente invention concerne en particulier des compositions Si-Ge-C utilisables spécialement en tant que couches d'arrêt d'attaque, des processus associés et des réactifs d'attaque utiles pour la fabrication en microélectronique et en nanotechnologie.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33694994A | 1994-11-10 | 1994-11-10 | |
US08/336,949 | 1994-11-10 | ||
PCT/US1995/013883 WO1996015550A1 (fr) | 1994-11-10 | 1995-10-26 | Compositions silicium-germanium-carbone et processus associes |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2204394A1 CA2204394A1 (fr) | 1996-05-23 |
CA2204394C true CA2204394C (fr) | 2000-11-07 |
Family
ID=29422776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2204394 Expired - Fee Related CA2204394C (fr) | 1994-11-10 | 1995-10-26 | Compositions silicium-germanium-carbone et processus associes |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2204394C (fr) |
-
1995
- 1995-10-26 CA CA 2204394 patent/CA2204394C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2204394A1 (fr) | 1996-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |