CA1202597A - Reactive ion layers containing tantalum and silicon - Google Patents
Reactive ion layers containing tantalum and siliconInfo
- Publication number
- CA1202597A CA1202597A CA000401014A CA401014A CA1202597A CA 1202597 A CA1202597 A CA 1202597A CA 000401014 A CA000401014 A CA 000401014A CA 401014 A CA401014 A CA 401014A CA 1202597 A CA1202597 A CA 1202597A
- Authority
- CA
- Canada
- Prior art keywords
- tantalum
- layer
- polysilicon
- silicon
- patterned
- 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.)
- Expired
Links
- 229910052715 tantalum Inorganic materials 0.000 title claims description 117
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims description 114
- 229910052710 silicon Inorganic materials 0.000 title claims description 54
- 239000010703 silicon Substances 0.000 title claims description 54
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 98
- 229920005591 polysilicon Polymers 0.000 claims abstract description 95
- 238000000034 method Methods 0.000 claims abstract description 89
- 238000001020 plasma etching Methods 0.000 claims abstract description 42
- 238000000059 patterning Methods 0.000 claims abstract description 25
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 29
- 238000005530 etching Methods 0.000 claims description 28
- 229910021332 silicide Inorganic materials 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 238000005245 sintering Methods 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 14
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 11
- 239000000460 chlorine Substances 0.000 claims description 11
- 229910052801 chlorine Inorganic materials 0.000 claims description 11
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 8
- MANYRMJQFFSZKJ-UHFFFAOYSA-N bis($l^{2}-silanylidene)tantalum Chemical group [Si]=[Ta]=[Si] MANYRMJQFFSZKJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052731 fluorine Inorganic materials 0.000 claims description 8
- 239000011737 fluorine Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000012298 atmosphere Substances 0.000 claims description 6
- 239000000470 constituent Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 abstract description 21
- HWEYZGSCHQNNEH-UHFFFAOYSA-N silicon tantalum Chemical compound [Si].[Ta] HWEYZGSCHQNNEH-UHFFFAOYSA-N 0.000 abstract description 21
- 238000001465 metallisation Methods 0.000 abstract description 4
- 229910004217 TaSi2 Inorganic materials 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 39
- 210000002381 plasma Anatomy 0.000 description 25
- 235000012431 wafers Nutrition 0.000 description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 19
- 229920002120 photoresistant polymer Polymers 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 239000000377 silicon dioxide Substances 0.000 description 10
- 235000012239 silicon dioxide Nutrition 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 8
- 230000000873 masking effect Effects 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229940037003 alum Drugs 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- AFYPFACVUDMOHA-UHFFFAOYSA-N chlorotrifluoromethane Chemical compound FC(F)(F)Cl AFYPFACVUDMOHA-UHFFFAOYSA-N 0.000 description 2
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 2
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 1
- 229910017974 NH40H Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- ZFXYFBGIUFBOJW-UHFFFAOYSA-N theophylline Chemical compound O=C1N(C)C(=O)N(C)C2=C1NC=N2 ZFXYFBGIUFBOJW-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
Classifications
-
- 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
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
- H01L21/32137—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas of silicon-containing 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
- H01L21/02—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
- H01L21/28044—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer
- H01L21/28061—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer the conductor comprising a metal or metal silicide formed by deposition, e.g. sputter deposition, i.e. without a silicidation reaction
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- General Chemical & Material Sciences (AREA)
- Drying Of Semiconductors (AREA)
- Electrodes Of Semiconductors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US26643381A | 1981-05-22 | 1981-05-22 | |
| US266,433 | 1981-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1202597A true CA1202597A (en) | 1986-04-01 |
Family
ID=23014579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000401014A Expired CA1202597A (en) | 1981-05-22 | 1982-04-15 | Reactive ion layers containing tantalum and silicon |
Country Status (8)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3216823A1 (de) * | 1982-05-05 | 1983-11-10 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von strukturen von aus metallsilizid und polysilizium bestehenden doppelschichten auf integrierte halbleiterschaltungen enthaltenden substraten durch reaktives ionenaetzen |
| US4414057A (en) * | 1982-12-03 | 1983-11-08 | Inmos Corporation | Anisotropic silicide etching process |
| DE3315719A1 (de) * | 1983-04-29 | 1984-10-31 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von strukturen von aus metallsiliziden bzw. silizid-polysilizium bestehenden doppelschichten fuer integrierte halbleiterschaltungen durch reaktives ionenaetzen |
| US4528066A (en) * | 1984-07-06 | 1985-07-09 | Ibm Corporation | Selective anisotropic reactive ion etching process for polysilicide composite structures |
| NL8500771A (nl) * | 1985-03-18 | 1986-10-16 | Philips Nv | Werkwijze voor het vervaardigen van een halfgeleiderinrichting waarbij een op een laag siliciumoxide aanwezige dubbellaag - bestaande uit poly-si en een silicide - in een plasma wordt geetst. |
| EP0229104A1 (en) * | 1985-06-28 | 1987-07-22 | AT&T Corp. | Procedure for fabricating devices involving dry etching |
| DE4114741C2 (de) * | 1990-07-04 | 1998-11-12 | Mitsubishi Electric Corp | Verfahren zur Bildung einer Leiterbahn auf einem Halbleitersubstrat |
| US6177337B1 (en) * | 1998-01-06 | 2001-01-23 | International Business Machines Corporation | Method of reducing metal voids in semiconductor device interconnection |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5519873A (en) * | 1978-07-28 | 1980-02-12 | Mitsubishi Electric Corp | Forming method of metallic layer pattern for semiconductor |
-
1982
- 1982-04-15 CA CA000401014A patent/CA1202597A/en not_active Expired
- 1982-05-18 FR FR828208669A patent/FR2506519B1/fr not_active Expired
- 1982-05-18 GB GB8214402A patent/GB2098931B/en not_active Expired
- 1982-05-19 BE BE0/208144A patent/BE893251A/fr not_active IP Right Cessation
- 1982-05-20 JP JP57084147A patent/JPS57198633A/ja active Pending
- 1982-05-21 NL NL8202103A patent/NL8202103A/nl not_active Application Discontinuation
- 1982-05-21 IT IT21430/82A patent/IT1151209B/it active
- 1982-05-22 DE DE19823219284 patent/DE3219284A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT8221430A0 (it) | 1982-05-21 |
| NL8202103A (nl) | 1982-12-16 |
| GB2098931B (en) | 1985-02-06 |
| BE893251A (fr) | 1982-09-16 |
| FR2506519B1 (fr) | 1985-07-26 |
| IT1151209B (it) | 1986-12-17 |
| GB2098931A (en) | 1982-12-01 |
| DE3219284A1 (de) | 1982-12-16 |
| DE3219284C2 (US06211527-20010403-C00003.png) | 1989-08-10 |
| JPS57198633A (en) | 1982-12-06 |
| FR2506519A1 (fr) | 1982-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |