KR20000041393A - 반도체소자의 게이트전극 형성방법 - Google Patents
반도체소자의 게이트전극 형성방법 Download PDFInfo
- Publication number
- KR20000041393A KR20000041393A KR1019980057252A KR19980057252A KR20000041393A KR 20000041393 A KR20000041393 A KR 20000041393A KR 1019980057252 A KR1019980057252 A KR 1019980057252A KR 19980057252 A KR19980057252 A KR 19980057252A KR 20000041393 A KR20000041393 A KR 20000041393A
- Authority
- KR
- South Korea
- Prior art keywords
- tungsten silicide
- gate electrode
- amorphous silicon
- film
- forming
- 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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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P10/00—Bonding of wafers, substrates or parts of devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/013—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator
- H10D64/01302—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon
- H10D64/01304—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H10D64/01306—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon
- H10D64/01308—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon the conductor further comprising a non-elemental silicon additional conductive layer, e.g. a metal silicide layer formed by the reaction of silicon with an implanted metal
- H10D64/0131—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon the conductor further comprising a non-elemental silicon additional conductive layer, e.g. a metal silicide layer formed by the reaction of silicon with an implanted metal the additional conductive layer comprising a silicide layer formed by the silicidation reaction between the layer of silicon with a metal layer which is not formed by metal implantation
Landscapes
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (7)
- 반도체기판상에 게이트산화막과 비정질실리콘막, 텅스텐실리사이드막을 순차적으로 형성하는 단계와;상기 형성된 비결정 실리콘막과 텅스텐실리사이드막을 급속열처리 어닐링하는 단계;상기 텅스텐실리사이드막상에 소정의 게이트전극패턴으로 패터닝된 마스크산화막을 형성하는 단계;상기 마스크산화막패턴을 이용하여 그 하부의 텅스텐실리사이드막, 비정질실리콘층 및 게이트산화막을 식각하는 단계; 및상기 형성된 게이트전극 측면에 산화막을 형성하여 게이트전극을 완성하는 단계를 포함하는 반도체소자의 게이트전극 형성방법.
- 제1항에 있어서,상기 게이트산화막과 비정질실리콘막, 텅스텐실리사이드막을 한 장비내에서(in-situ)에서 형성하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
- 제1항에 있어서,상기 텅스텐실리사이드를 DCS(SiH2Cl2)가스와 WF6가스를 사용하여 CVD방법으로 형성하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
- 제1항에 있어서,상기 텅스텐실리사이드를 Si:W 비율을 2이하로 하여 형성하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
- 제1항에 있어서,상기 비정질실리콘막과 텅스텐실리사이드막을 후속공정인 RTP 스파이크 어닐링시 비정질실리콘과 텅스텐실리사이드가 서로 반응하여 비정질실리콘의 두께가 감소하고, 텅스텐실리사이드의 두께가 증가하게 될 것을 대비하여 게이트전극에서 요구되는 비정질실리콘과 텅스텐실리사이드의 두께를 고려하여 그 두께를 가감하여 형성하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
- 제1항에 있어서,상기 급속열처리 어닐링을 950℃ 이상의 온도와 N2또는 NH3가스분위기에서 행하는 것을 특징으로 하는 반도체소자의 게이트전극 형성방법.
- 제1항에 있어서,상기 급속열처리는 어닐링은 원하는 온도에서 1초이하로 머무는 스파이크 어닐링임을 특징으로 하는 반도체소자의 게이트전극 형성방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-1998-0057252A KR100456315B1 (ko) | 1998-12-22 | 1998-12-22 | 반도체소자의 게이트전극 형성방법 |
| JP34805699A JP3689756B2 (ja) | 1998-12-22 | 1999-12-07 | 半導体素子のゲート電極形成方法 |
| US09/457,162 US6165884A (en) | 1998-12-22 | 1999-12-08 | Method of forming gate electrode in semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-1998-0057252A KR100456315B1 (ko) | 1998-12-22 | 1998-12-22 | 반도체소자의 게이트전극 형성방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000041393A true KR20000041393A (ko) | 2000-07-15 |
| KR100456315B1 KR100456315B1 (ko) | 2005-01-15 |
Family
ID=19564633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-1998-0057252A Expired - Fee Related KR100456315B1 (ko) | 1998-12-22 | 1998-12-22 | 반도체소자의 게이트전극 형성방법 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6165884A (ko) |
| JP (1) | JP3689756B2 (ko) |
| KR (1) | KR100456315B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6974747B2 (en) | 2003-06-30 | 2005-12-13 | Hynix Semiconductor Inc. | Method of manufacturing semiconductor device |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020162500A1 (en) * | 2001-05-02 | 2002-11-07 | Applied Materials, Inc. | Deposition of tungsten silicide films |
| KR100399943B1 (ko) * | 2001-12-29 | 2003-09-29 | 주식회사 하이닉스반도체 | 반도체 소자의 게이트 형성방법 |
| US7151048B1 (en) | 2002-03-14 | 2006-12-19 | Cypress Semiconductor Corporation | Poly/silicide stack and method of forming the same |
| US8080453B1 (en) | 2002-06-28 | 2011-12-20 | Cypress Semiconductor Corporation | Gate stack having nitride layer |
| JP2004172259A (ja) | 2002-11-19 | 2004-06-17 | Oki Electric Ind Co Ltd | 半導体素子の製造方法 |
| US7189652B1 (en) | 2002-12-06 | 2007-03-13 | Cypress Semiconductor Corporation | Selective oxidation of gate stack |
| US7371637B2 (en) * | 2003-09-26 | 2008-05-13 | Cypress Semiconductor Corporation | Oxide-nitride stack gate dielectric |
| KR100540334B1 (ko) * | 2003-12-31 | 2006-01-11 | 동부아남반도체 주식회사 | 반도체 소자의 게이트 형성 방법 |
| US8252640B1 (en) | 2006-11-02 | 2012-08-28 | Kapre Ravindra M | Polycrystalline silicon activation RTA |
| KR100951559B1 (ko) * | 2007-01-03 | 2010-04-09 | 주식회사 하이닉스반도체 | 반도체 소자의 게이트 전극 형성 방법 |
| US7897513B2 (en) * | 2007-06-28 | 2011-03-01 | Texas Instruments Incorporated | Method for forming a metal silicide |
| US8232114B2 (en) * | 2009-01-27 | 2012-07-31 | Taiwan Semiconductor Manufacturing Co., Ltd. | RTP spike annealing for semiconductor substrate dopant activation |
| US8679863B2 (en) * | 2012-03-15 | 2014-03-25 | International Business Machines Corporation | Fine tuning highly resistive substrate resistivity and structures thereof |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4833099A (en) * | 1988-01-07 | 1989-05-23 | Intel Corporation | Tungsten-silicide reoxidation process including annealing in pure nitrogen and subsequent oxidation in oxygen |
| JPH05347272A (ja) * | 1991-01-26 | 1993-12-27 | Sharp Corp | 半導体装置の製造方法 |
| JPH04336466A (ja) * | 1991-05-13 | 1992-11-24 | Matsushita Electron Corp | 半導体装置の製造方法 |
| US5858868A (en) * | 1992-05-08 | 1999-01-12 | Yamaha Corporation | Method of manufacturing a laminated wiring structure preventing impurity diffusion therein from N+ and P+ regions in CMOS device with ohmic contact |
| US5643633A (en) * | 1992-12-22 | 1997-07-01 | Applied Materials, Inc. | Uniform tungsten silicide films produced by chemical vapor depostiton |
| US5500249A (en) * | 1992-12-22 | 1996-03-19 | Applied Materials, Inc. | Uniform tungsten silicide films produced by chemical vapor deposition |
| US5364803A (en) * | 1993-06-24 | 1994-11-15 | United Microelectronics Corporation | Method of preventing fluorine-induced gate oxide degradation in WSix polycide structure |
| JP2861869B2 (ja) * | 1994-10-12 | 1999-02-24 | 日本電気株式会社 | 半導体装置の製造方法 |
| US5484743A (en) * | 1995-02-27 | 1996-01-16 | United Microelectronics Corporation | Self-aligned anti-punchthrough implantation process |
| US5665203A (en) * | 1995-04-28 | 1997-09-09 | International Business Machines Corporation | Silicon etching method |
| US5736455A (en) * | 1995-12-22 | 1998-04-07 | Micron Technology, Inc. | Method for passivating the sidewalls of a tungsten word line |
| JPH09246206A (ja) * | 1996-03-05 | 1997-09-19 | Sony Corp | ゲート電極の形成方法 |
| JPH09293865A (ja) * | 1996-04-26 | 1997-11-11 | Ricoh Co Ltd | 半導体装置及び半導体製造方法 |
| US6028002A (en) * | 1996-05-15 | 2000-02-22 | Micron Technology, Inc. | Refractory metal roughness reduction using high temperature anneal in hydrides or organo-silane ambients |
| US5723893A (en) * | 1996-05-28 | 1998-03-03 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for fabricating double silicide gate electrode structures on CMOS-field effect transistors |
| JPH1027902A (ja) * | 1996-07-11 | 1998-01-27 | Sony Corp | ゲート電極の形成方法 |
| JPH10163206A (ja) * | 1996-12-02 | 1998-06-19 | Yamaha Corp | 配線形成法 |
| US5796151A (en) * | 1996-12-19 | 1998-08-18 | Texas Instruments Incorporated | Semiconductor stack having a dielectric sidewall for prevention of oxidation of tungsten in tungsten capped poly-silicon gate electrodes |
| US5888588A (en) * | 1997-03-31 | 1999-03-30 | Motorola, Inc. | Process for forming a semiconductor device |
| US5895244A (en) * | 1998-01-08 | 1999-04-20 | Texas Instruments - Acer Incorporated | Process to fabricate ultra-short channel nMOSFETs with self-aligned silicide contact |
| US6649308B1 (en) * | 1998-03-30 | 2003-11-18 | Texas Instruments-Acer Incorporated | Ultra-short channel NMOSFETS with self-aligned silicide contact |
| US6069044A (en) * | 1998-03-30 | 2000-05-30 | Texas Instruments-Acer Incorporated | Process to fabricate ultra-short channel nMOSFETS with self-aligned silicide contact |
| US6100188A (en) * | 1998-07-01 | 2000-08-08 | Texas Instruments Incorporated | Stable and low resistance metal/barrier/silicon stack structure and related process for manufacturing |
| US6060741A (en) * | 1998-09-16 | 2000-05-09 | Advanced Micro Devices, Inc. | Stacked gate structure for flash memory application |
-
1998
- 1998-12-22 KR KR10-1998-0057252A patent/KR100456315B1/ko not_active Expired - Fee Related
-
1999
- 1999-12-07 JP JP34805699A patent/JP3689756B2/ja not_active Expired - Fee Related
- 1999-12-08 US US09/457,162 patent/US6165884A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6974747B2 (en) | 2003-06-30 | 2005-12-13 | Hynix Semiconductor Inc. | Method of manufacturing semiconductor device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3689756B2 (ja) | 2005-08-31 |
| JP2000196082A (ja) | 2000-07-14 |
| US6165884A (en) | 2000-12-26 |
| KR100456315B1 (ko) | 2005-01-15 |
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