DE19838106A1 - Verfahren zur Verbesserung der Wärmebeständigkeit von Wolframsilicid - Google Patents
Verfahren zur Verbesserung der Wärmebeständigkeit von WolframsilicidInfo
- Publication number
- DE19838106A1 DE19838106A1 DE19838106A DE19838106A DE19838106A1 DE 19838106 A1 DE19838106 A1 DE 19838106A1 DE 19838106 A DE19838106 A DE 19838106A DE 19838106 A DE19838106 A DE 19838106A DE 19838106 A1 DE19838106 A1 DE 19838106A1
- Authority
- DE
- Germany
- Prior art keywords
- layer
- tungsten
- nitride layer
- tungsten silicide
- silicide layer
- 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.)
- Granted
Links
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910021342 tungsten silicide Inorganic materials 0.000 title claims abstract description 64
- 230000015572 biosynthetic process Effects 0.000 title claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 42
- 239000010937 tungsten Substances 0.000 claims abstract description 42
- -1 tungsten nitride Chemical class 0.000 claims abstract description 37
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 32
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 21
- 229920005591 polysilicon Polymers 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 239000004065 semiconductor Substances 0.000 claims abstract description 10
- 238000005121 nitriding Methods 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 8
- 238000000206 photolithography Methods 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 238000005229 chemical vapour deposition Methods 0.000 claims description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 abstract 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910021332 silicide Inorganic materials 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 5
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000000682 scanning probe acoustic microscopy Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- WNUPENMBHHEARK-UHFFFAOYSA-N silicon tungsten Chemical compound [Si].[W] WNUPENMBHHEARK-UHFFFAOYSA-N 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007740 vapor deposition 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
- H01L21/28—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4916—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen
- H01L29/4925—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement
- H01L29/4933—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement with a silicide layer contacting the silicon layer, e.g. Polycide gate
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (10)
Bereitstellen eines Halbleitersubstrats, auf dem eine Polysiliciumschicht und eine Wolframsilicidschicht aufgebracht sind;
Ausbilden einer Wolframnitridschicht auf der Wolframsilicidschicht;
Ausbilden einer Siliciumnitridschicht auf der Wolframschicht; und
Entfernen von Teilen der Siliciumnitridschicht, der Wolframnitridschicht, der Wolframsilicidschicht und der Polysiliciumschicht zum Erhalt einer Gate-Struktur.
Bereitstellen eines Halbleitersubstrats;
Ausbilden einer Polysiliciumschicht auf dem Halbleitersubstrat;
Ausbilden einer Wolframsilicidschicht auf der Polysiliciumschicht;
Durchführen einer Nitrierungsreaktion mit Hilfe eines Stickstoffplasmas zur Ausbildung einer Wolfram nitridschicht auf der Wolframsilicidschicht;
Ausbilden einer Siliciumnitridschicht auf der Wolframnitridschicht; und
Einsetzen von Fotolithographie- und Ätzverfahren zur Entfernung von Teilen der Siliciumnitridschicht, der Wolframnitridschicht, der Wolframsilicidschicht und der Polysiliciumschicht und zum Erhalt einer Gate- Struktur.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW087109850A TW379374B (en) | 1998-06-19 | 1998-06-19 | Method to improve thermal stability of tungsten silicide |
TW87109850 | 1998-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19838106A1 true DE19838106A1 (de) | 1999-12-23 |
DE19838106B4 DE19838106B4 (de) | 2004-09-16 |
Family
ID=21630439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19838106A Expired - Lifetime DE19838106B4 (de) | 1998-06-19 | 1998-08-21 | Verfahren zur Verbesserung der Wärmebeständigkeit von Wolframsilicid |
Country Status (4)
Country | Link |
---|---|
US (1) | US6133149A (de) |
JP (1) | JP3227131B2 (de) |
DE (1) | DE19838106B4 (de) |
TW (1) | TW379374B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10050044A1 (de) * | 2000-10-10 | 2002-04-25 | Promos Technologies Inc | Wolframpolycidgate mit einer durch einen schnellen thermischen Prozeß erzeugten Nitridsperrschicht |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7053459B2 (en) | 2001-03-12 | 2006-05-30 | Renesas Technology Corp. | Semiconductor integrated circuit device and process for producing the same |
TW502337B (en) * | 2001-04-20 | 2002-09-11 | Promos Technologies Inc | Method for reducing WSix grain and its structure |
US20040238876A1 (en) * | 2003-05-29 | 2004-12-02 | Sunpil Youn | Semiconductor structure having low resistance and method of manufacturing same |
US7534709B2 (en) * | 2003-05-29 | 2009-05-19 | Samsung Electronics Co., Ltd. | Semiconductor device and method of manufacturing the same |
TW200816282A (en) * | 2006-09-27 | 2008-04-01 | Promos Technologies Inc | Method for reducing stress between a conductive layer and a mask layer and use of the same |
US7906392B2 (en) | 2008-01-15 | 2011-03-15 | Sandisk 3D Llc | Pillar devices and methods of making thereof |
US7579232B1 (en) | 2008-07-11 | 2009-08-25 | Sandisk 3D Llc | Method of making a nonvolatile memory device including forming a pillar shaped semiconductor device and a shadow mask |
US8193074B2 (en) * | 2008-11-21 | 2012-06-05 | Sandisk 3D Llc | Integration of damascene type diodes and conductive wires for memory device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2544396B2 (ja) * | 1987-08-25 | 1996-10-16 | 株式会社日立製作所 | 半導体集積回路装置の製造方法 |
JPH08321503A (ja) * | 1995-05-24 | 1996-12-03 | Ricoh Co Ltd | 酸化シリコン層の形成方法 |
US5923999A (en) * | 1996-10-29 | 1999-07-13 | International Business Machines Corporation | Method of controlling dopant diffusion and metal contamination in thin polycide gate conductor of mosfet device |
-
1998
- 1998-06-19 TW TW087109850A patent/TW379374B/zh not_active IP Right Cessation
- 1998-08-11 US US09/132,692 patent/US6133149A/en not_active Expired - Lifetime
- 1998-08-13 JP JP22915298A patent/JP3227131B2/ja not_active Expired - Fee Related
- 1998-08-21 DE DE19838106A patent/DE19838106B4/de not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10050044A1 (de) * | 2000-10-10 | 2002-04-25 | Promos Technologies Inc | Wolframpolycidgate mit einer durch einen schnellen thermischen Prozeß erzeugten Nitridsperrschicht |
DE10050044B4 (de) * | 2000-10-10 | 2007-03-15 | Promos Technologies, Inc. | Verfahren zur Herstellung eines Wolframpolycidgates mit einer durch einen schnellen thermischen Prozess erzeugten Nitridsperrschicht |
Also Published As
Publication number | Publication date |
---|---|
JP3227131B2 (ja) | 2001-11-12 |
TW379374B (en) | 2000-01-11 |
JP2000022154A (ja) | 2000-01-21 |
US6133149A (en) | 2000-10-17 |
DE19838106B4 (de) | 2004-09-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: MOSEL VITELIC INC., HSINCHU, TW Owner name: QIMONDA AG, 81739 MUENCHEN, DE Owner name: PROMOS TECHNOLOGIES, INC., HSINCHU, TW |
|
R081 | Change of applicant/patentee |
Owner name: PROMOS TECHNOLOGIES, INC., TW Free format text: FORMER OWNER: MOSEL VITELIC INC., PROMOS TECHNOLOGIES, INC., QIMONDA AG, , TW Owner name: MOSEL VITELIC INC., TW Free format text: FORMER OWNER: MOSEL VITELIC INC., PROMOS TECHNOLOGIES, INC., QIMONDA AG, , TW Owner name: INFINEON TECHNOLOGIES AG, DE Free format text: FORMER OWNER: MOSEL VITELIC INC., PROMOS TECHNOLOGIES, INC., QIMONDA AG, , TW Owner name: PROMOS TECHNOLOGIES, INC., TW Free format text: FORMER OWNERS: MOSEL VITELIC INC., HSINCHU, TW; PROMOS TECHNOLOGIES, INC., HSINCHU, TW; QIMONDA AG, 81739 MUENCHEN, DE Owner name: MOSEL VITELIC INC., TW Free format text: FORMER OWNERS: MOSEL VITELIC INC., HSINCHU, TW; PROMOS TECHNOLOGIES, INC., HSINCHU, TW; QIMONDA AG, 81739 MUENCHEN, DE Owner name: INFINEON TECHNOLOGIES AG, DE Free format text: FORMER OWNERS: MOSEL VITELIC INC., HSINCHU, TW; PROMOS TECHNOLOGIES, INC., HSINCHU, TW; QIMONDA AG, 81739 MUENCHEN, DE |
|
R071 | Expiry of right |