JP2007194632A - 未シリサイド化金属の選択的除去方法 - Google Patents
未シリサイド化金属の選択的除去方法 Download PDFInfo
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- JP2007194632A JP2007194632A JP2007007551A JP2007007551A JP2007194632A JP 2007194632 A JP2007194632 A JP 2007194632A JP 2007007551 A JP2007007551 A JP 2007007551A JP 2007007551 A JP2007007551 A JP 2007007551A JP 2007194632 A JP2007194632 A JP 2007194632A
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- Prior art keywords
- metal
- germanium
- silicide
- platinum
- alloy
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 58
- 239000002184 metal Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 25
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000126 substance Substances 0.000 claims abstract description 20
- SCCCLDWUZODEKG-UHFFFAOYSA-N germanide Chemical compound [GeH3-] SCCCLDWUZODEKG-UHFFFAOYSA-N 0.000 claims abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000010703 silicon Substances 0.000 claims abstract description 10
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 238000000151 deposition Methods 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 37
- 229910052697 platinum Inorganic materials 0.000 claims description 18
- 229910052732 germanium Inorganic materials 0.000 claims description 17
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 17
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052741 iridium Inorganic materials 0.000 claims description 10
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 6
- 238000005229 chemical vapour deposition Methods 0.000 claims description 6
- 229910000078 germane Inorganic materials 0.000 claims description 6
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 6
- 239000002243 precursor Substances 0.000 claims description 6
- 229910052691 Erbium Inorganic materials 0.000 claims description 5
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 4
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 20
- ZXEYZECDXFPJRJ-UHFFFAOYSA-N $l^{3}-silane;platinum Chemical compound [SiH3].[Pt] ZXEYZECDXFPJRJ-UHFFFAOYSA-N 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 7
- 238000004377 microelectronic Methods 0.000 description 6
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910021339 platinum silicide Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- XEMZLVDIUVCKGL-UHFFFAOYSA-N hydrogen peroxide;sulfuric acid Chemical compound OO.OS(O)(=O)=O XEMZLVDIUVCKGL-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910021334 nickel silicide Inorganic materials 0.000 description 1
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 1
- PEUPIGGLJVUNEU-UHFFFAOYSA-N nickel silicon Chemical compound [Si].[Ni] PEUPIGGLJVUNEU-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Images
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
- H01L21/32134—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 liquid etching only
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon 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
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/28518—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table the conductive layers comprising silicides
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
【解決手段】本発明は、シリコンを含む領域3、5、6上に少なくとも1つの金属7を堆積することと、金属シリサイド70を形成することと、金属シリサイド70の形成中にシリサイド化されなかった該金属の残留物8を除去することを含むシリサイド化の方法に関する。金属の残留物8の除去は、a)金属の残留物8を、該金属のゲルマニウム化物を含む合金10に転化することと、b)化学溶液中で該合金を溶解することによって、該合金10を除去することとを含む。
【選択図】図5
Description
a)該金属の残留物を、該金属のゲルマニウム化物(germanide)を含む合金に転化(conversion)すること、および、
b)該合金を化学溶液中で溶解することによって、該合金を除去すること、を含む。
2 基板
3 ゲート領域
4 スペーサ
5 ソース領域
6 ドレイン領域
10 白金ゲルマニウム化物
70 金属シリサイド
90 ゲルマニウム化物
Claims (9)
- シリコンを含む領域(3、5、6)上に少なくとも1つの金属(7)を堆積するステップと、
金属シリサイド(70)を形成するステップと、
前記金属シリサイドを形成している間にシリサイド化されなかった金属残留物(8)を除去するステップと、を含み、該金属残留物(8)を除去するステップは、
a)前記金属残留物(8)を、前記金属のゲルマニウム化物を含む合金(10)に転化するステップと、
b)前記合金(10)を化学溶液中で溶解することによって、前記合金(10)を除去するステップと、を含む、シリサイド化のための方法。 - 前記金属(7)は、白金、イリジウム、エルビウム、イッテルビウム、コバルトおよびニッケルの群から選択される少なくとも1つの金属を含む、
請求項1に記載の方法。 - 前記化学溶液は、硫酸、過酸化水素、塩酸およびアンモニア水溶液の群から選択される化合物のうちの少なくとも1つを含む、
請求項1または2に記載の方法。 - 前記転化するステップは、ゲルマニウムを含む材料(9)を、前記金属残留物(8)上に堆積し、該体積の後にアニール処理を行うことを含む、
請求項1から3のいずれかに記載の方法。 - ゲルマニウムを含む前記材料(9)は、20%より多いゲルマニウム含有率を有する、
請求項4に記載の方法。 - 前記アニール処理は、100℃から600℃の間の温度で実施される、
請求項4または5に記載の方法。 - ゲルマニウムを含む前記材料(9)は、前駆体としてゲルマン(GeH4)を用い、400℃未満の温度で化学気相成長(CVD)によって堆積される、
請求項4から6のいずれかに記載の方法。 - ゲルマニウムを含む前記材料(9)は、前駆体としてゲルマン(GeH4)を用い、200℃未満の温度でプラズマ化学気相成長(PECVD)によって堆積される、
請求項4から6のいずれかに記載の方法。 - 前記シリコンを含む領域(3、5、6)は、トランジスタのソース(5)、ドレイン(6)およびゲート(3)領域のうちの少なくとも1つである、
請求項1から8のいずれかに記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0600436A FR2896339A1 (fr) | 2006-01-18 | 2006-01-18 | Procede de retrait selectif d'un metal non-siliciure |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007194632A true JP2007194632A (ja) | 2007-08-02 |
JP4531068B2 JP4531068B2 (ja) | 2010-08-25 |
Family
ID=36939266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007007551A Expired - Fee Related JP4531068B2 (ja) | 2006-01-18 | 2007-01-17 | 未シリサイド化金属の選択的除去方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7569482B2 (ja) |
EP (1) | EP1811549B1 (ja) |
JP (1) | JP4531068B2 (ja) |
CN (1) | CN100536064C (ja) |
FR (1) | FR2896339A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080230848A1 (en) * | 2007-03-22 | 2008-09-25 | Chih-Chao Yang | Structure having dual silicide region and related method |
US7482282B2 (en) * | 2007-03-26 | 2009-01-27 | International Business Machines Corporation | Use of dilute hydrochloric acid in advanced interconnect contact clean in nickel semiconductor technologies |
JP4759079B2 (ja) * | 2008-12-03 | 2011-08-31 | パナソニック株式会社 | 半導体装置の製造方法 |
JP4749471B2 (ja) * | 2009-01-13 | 2011-08-17 | パナソニック株式会社 | 半導体装置の製造方法 |
US9190480B2 (en) * | 2013-12-20 | 2015-11-17 | Infineon Technologies Austria Ag | Method and contact structure for coupling a doped body region to a trench electrode of a semiconductor device |
EP3032575B1 (en) * | 2014-12-08 | 2020-10-21 | IMEC vzw | Method for forming an electrical contact. |
JP6154860B2 (ja) * | 2015-07-17 | 2017-06-28 | 野村マイクロ・サイエンス株式会社 | 洗浄用水素水の製造方法及び製造装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05190845A (ja) * | 1992-07-23 | 1993-07-30 | Hitachi Ltd | Mis型電界効果トランジスタ |
JPH0786233A (ja) * | 1993-09-14 | 1995-03-31 | Nec Corp | 半導体装置の製造方法およびその製造装置 |
JPH08195360A (ja) * | 1995-01-13 | 1996-07-30 | Toshiba Corp | 半導体装置の製造方法 |
JPH11265985A (ja) * | 1998-01-08 | 1999-09-28 | Internatl Business Mach Corp <Ibm> | エッチング可能な複数金属組成の形成による金属パタ―ニング |
JP2005209782A (ja) * | 2004-01-21 | 2005-08-04 | Toshiba Corp | 半導体装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US4248688A (en) * | 1979-09-04 | 1981-02-03 | International Business Machines Corporation | Ion milling of thin metal films |
US4622735A (en) * | 1980-12-12 | 1986-11-18 | Tokyo Shibaura Denki Kabushiki Kaisha | Method for manufacturing a semiconductor device utilizing self-aligned silicide regions |
US4835112A (en) * | 1988-03-08 | 1989-05-30 | Motorola, Inc. | CMOS salicide process using germanium implantation |
US5401674A (en) * | 1994-06-10 | 1995-03-28 | Advanced Micro Devices | Germanium implant for use with ultra-shallow junctions |
US6844070B2 (en) * | 2002-08-30 | 2005-01-18 | Lockheed Martin Corporation | Low-temperature plasma deposited hydrogenated amorphous germanium carbon abrasion-resistant coatings |
US6746967B2 (en) * | 2002-09-30 | 2004-06-08 | Intel Corporation | Etching metal using sonication |
KR100738066B1 (ko) * | 2003-12-01 | 2007-07-12 | 삼성전자주식회사 | 열적 안정성이 우수한 실리사이드막 형성방법, 이방법으로 형성된 실리사이드막이 구비된 반도체 소자와반도체 메모리 소자 및 이들 소자의 제조 방법 |
JP2005353831A (ja) * | 2004-06-10 | 2005-12-22 | Toshiba Corp | 半導体装置 |
US20070123042A1 (en) * | 2005-11-28 | 2007-05-31 | International Business Machines Corporation | Methods to form heterogeneous silicides/germanides in cmos technology |
-
2006
- 2006-01-18 FR FR0600436A patent/FR2896339A1/fr active Pending
-
2007
- 2007-01-15 US US11/654,388 patent/US7569482B2/en not_active Expired - Fee Related
- 2007-01-17 CN CNB2007100009928A patent/CN100536064C/zh not_active Expired - Fee Related
- 2007-01-17 JP JP2007007551A patent/JP4531068B2/ja not_active Expired - Fee Related
- 2007-01-18 EP EP07290063A patent/EP1811549B1/fr not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05190845A (ja) * | 1992-07-23 | 1993-07-30 | Hitachi Ltd | Mis型電界効果トランジスタ |
JPH0786233A (ja) * | 1993-09-14 | 1995-03-31 | Nec Corp | 半導体装置の製造方法およびその製造装置 |
JPH08195360A (ja) * | 1995-01-13 | 1996-07-30 | Toshiba Corp | 半導体装置の製造方法 |
JPH11265985A (ja) * | 1998-01-08 | 1999-09-28 | Internatl Business Mach Corp <Ibm> | エッチング可能な複数金属組成の形成による金属パタ―ニング |
JP2005209782A (ja) * | 2004-01-21 | 2005-08-04 | Toshiba Corp | 半導体装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1811549A2 (fr) | 2007-07-25 |
FR2896339A1 (fr) | 2007-07-20 |
US20070197029A1 (en) | 2007-08-23 |
EP1811549A3 (fr) | 2010-01-20 |
JP4531068B2 (ja) | 2010-08-25 |
CN100536064C (zh) | 2009-09-02 |
CN101005008A (zh) | 2007-07-25 |
EP1811549B1 (fr) | 2011-06-22 |
US7569482B2 (en) | 2009-08-04 |
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