JP4317523B2 - 半導体装置及びこれの製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 266
- 229910052757 nitrogen Inorganic materials 0.000 claims description 135
- 238000000034 method Methods 0.000 claims description 67
- 239000000758 substrate Substances 0.000 claims description 31
- 150000004767 nitrides Chemical class 0.000 claims description 29
- 238000000137 annealing Methods 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 8
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- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000001307 helium Substances 0.000 description 6
- 229910052734 helium Inorganic materials 0.000 description 6
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
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- 239000000203 mixture Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005121 nitriding Methods 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
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- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
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- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 238000010405 reoxidation reaction Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 238000001035 drying Methods 0.000 description 1
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- 238000005468 ion implantation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002831 nitrogen free-radicals Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0181—Manufacturing their gate insulating layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
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- Formation Of Insulating Films (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
120 ゲート誘電層
220 領域
230 領域
310 酸窒化層
320 領域
330 領域
410 フォトレジスト・マスク
610 窒化膜
710 酸窒化層
720 酸窒化層
810 厚い領域
820 薄い領域
830 薄い領域
850 誘電層
910 領域
920 領域
930 マスク
1110 犠牲酸化層
1120 トレンチ分離
1130 フォトレジスト・マスク
1140 pウェル
1150 nウェル
1230 マスク
1310 ゲート酸化層
1410 ポリ層
1420 ゲート誘電層
1430 フォトレジスト・マスク
Claims (8)
- シリコン基板にnFETを設ける領域及びpFETを設ける領域を形成するステップと、
前記nFETを設ける領域及び前記pFETを設ける領域を露出し、窒素を含むガスに曝している間にアニール処理を行うことにより、前記nFETを設ける領域上及び前記pFETを設ける領域上に窒化層を形成するステップと、
前記nFETを設ける領域上の前記窒化層上にマスクを形成するステップと、
前記pFETを設ける領域上の前記窒化層を除去することにより前記pFETを設ける領域の前記シリコン基板を露出させるステップと、
前記マスクを除去した後、前記nFETを設ける領域上の前記窒化層と前記pFETを設ける領域の前記露出されたシリコン基板を、窒素を含むガスに曝している間にアニール処理を行うことにより、前記nFETを設ける領域上の前記窒化層に追加の窒化物を導入すると共に、前記pFETを設ける領域の前記露出されたシリコン基板上に、前記nFETを設ける領域上の前記窒化層よりも薄い窒化層を形成するステップであって、前記nFETを設ける領域上の前記窒化層の窒素濃度が、前記pFETを設ける領域に形成した薄い窒化層の窒素濃度よりも高い、前記ステップと、
前記nFETを設ける領域上の前記窒化層及び前記pFETを設ける領域に形成した前記窒化層を酸化することにより、前記nFETを設ける領域上の前記窒化層を酸窒化層に変換すると共に、前記pFETを設ける領域に形成した前記窒化層を、前記nFETを設ける領域上の前記酸窒化層よりも厚い酸窒化層に変換するステップと、
前記nFETを設ける領域上の前記酸窒化層上にゲート電極を形成し、前記pFETを設ける領域上の前記酸窒化層上にゲート電極を形成するステップと、
前記nFETを設ける領域にソース領域及びドレイン領域を形成し、前記pFETを設ける領域にソース領域及びドレイン領域を形成するステップとを含む、nFET及びpFETを有する半導体装置の製造方法。 - 前記前記nFETを設ける領域上及び前記pFETを設ける領域上に窒化層を形成するステップが、8×1014原子/cm3から1×1022原子/cm3の濃度の窒素を与える、請求項1に記載の製造方法。
- 前記nFETを設ける領域上の前記窒化層に追加の窒化物を導入すると共に、前記pFETを設ける領域の前記露出されたシリコン基板上に、前記nFETを設ける領域上の前記窒化層よりも薄い窒化層を形成するステップが、1×1013原子/cm3から1×1015原子/cm3の窒素を与える、請求項1または請求項2に記載の製造方法。
- 前記シリコン基板にnFETを設ける領域及びpFETを設ける領域を形成するステップが、
トレンチ分離領域により分離された前記nFETを設けるpウエル及び前記pFETを設けるnウエルを前記シリコン基板に形成するステップと、
前記pウエル、前記トレンチ分離領域及び前記nウエルの上に犠牲酸化層を形成するステップと、
前記nウエル上の前記犠牲酸化層を覆うマスクを形成するステップと、
前記犠牲酸化層を通して前記pウエルに高ドーズの窒素を注入するステップと、
前記マスクを除去するステップと、
前記pウエル上の前記犠牲酸化層を覆うマスクを形成するステップと、
前記犠牲酸化層を通して前記nウエルに低ドーズの窒素を注入するステップと、
前記pウエル上の前記犠牲酸化層を覆う前記マスクを除去するステップと、
急速熱アニールにより、前記nウエル及び前記pウエルに注入した窒素を拡散させるステップと、
前記犠牲酸化層を除去するステップとを含む、請求項1に記載の製造方法。 - 前記高ドーズの窒素を注入するステップが、8×1014原子/cm3から1×1022原子/cm3の濃度を与える、請求項4に記載の製造方法。
- 前記低ドーズの窒素を注入するステップが、1×1013原子/cm3から1×1015原子/cm3の濃度を与える、請求項4に記載の製造方法。
- 前記急速熱アニールが、1050℃で30秒間行われる、請求項4に記載の製造方法。
- nFETを設ける領域及びpFETを設ける領域を有するシリコン基板と、
前記nFETを設ける領域の上に設けられ、ゲート誘電体、ゲート電極、ソース領域及びドレイン領域を有するnFETと、
前記pFETを設ける領域の上に設けられ、ゲート誘電体、ゲート電極、ソース領域及びドレイン領域を有するpFETとを備え、
前記nFETのゲート誘電体及び前記pFETのゲート誘電体は共に酸窒化層であり、
前記nFETの前記酸窒化層の厚さが前記pFETの前記酸窒化層の厚さよりも薄く、
前記nFETの前記酸窒化層の窒素濃度が前記pFETの前記酸窒化層の窒素濃度よりも高く、
前記nFETを設ける領域及びpFETを設ける領域が、トレンチ分離領域により分離されたpウエル及びnウエルであり、前記pウエルが8×10 14 原子/cm 3 から1×10 22 原子/cm 3 の窒素濃度を有し、前記nウエルが1×10 13 原子/cm 3 から1×10 15 原子/cm 3 の窒素濃度を有する、nFET及びpFETを有する半導体装置。
Applications Claiming Priority (1)
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US10/707,897 US7138691B2 (en) | 2004-01-22 | 2004-01-22 | Selective nitridation of gate oxides |
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JP2005210123A JP2005210123A (ja) | 2005-08-04 |
JP4317523B2 true JP4317523B2 (ja) | 2009-08-19 |
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US (3) | US7138691B2 (ja) |
JP (1) | JP4317523B2 (ja) |
CN (1) | CN1302537C (ja) |
TW (1) | TWI343094B (ja) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7138691B2 (en) * | 2004-01-22 | 2006-11-21 | International Business Machines Corporation | Selective nitridation of gate oxides |
KR100521452B1 (ko) * | 2004-07-28 | 2005-10-12 | 동부아남반도체 주식회사 | 반도체 장치의 질화산화막 형성방법 |
KR100611784B1 (ko) * | 2004-12-29 | 2006-08-10 | 주식회사 하이닉스반도체 | 다중 게이트절연막을 갖는 반도체장치 및 그의 제조 방법 |
US7265065B2 (en) * | 2005-04-29 | 2007-09-04 | United Microelectronics Corp. | Method for fabricating dielectric layer doped with nitrogen |
KR100677986B1 (ko) * | 2005-12-28 | 2007-02-02 | 동부일렉트로닉스 주식회사 | 질소부화 산화막을 게이트 절연막으로 갖는 반도체소자의제조 방법 |
US7737010B2 (en) * | 2006-04-14 | 2010-06-15 | Micron Technology, Inc. | Method of photoresist strip for plasma doping process of semiconductor manufacturing |
US7544561B2 (en) * | 2006-11-06 | 2009-06-09 | Taiwan Semiconductor Manufacturing Company, Ltd. | Electron mobility enhancement for MOS devices with nitrided polysilicon re-oxidation |
US8110490B2 (en) * | 2007-08-15 | 2012-02-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Gate oxide leakage reduction |
KR100957873B1 (ko) | 2007-12-28 | 2010-05-13 | 매그나칩 반도체 유한회사 | 반도체 소자의 게이트 산화막 형성 방법 |
US20090176356A1 (en) * | 2008-01-09 | 2009-07-09 | Advanced Micro Devices, Inc. | Methods for fabricating semiconductor devices using thermal gradient-inducing films |
US20090302401A1 (en) * | 2008-06-05 | 2009-12-10 | Chartered Semiconductor Manufacturing, Ltd. | Pfet enhancement during smt |
CN101447514B (zh) * | 2008-12-30 | 2012-06-20 | 上海宏力半导体制造有限公司 | 金属氧化物半导体场效应晶体管 |
US8173531B2 (en) * | 2009-08-04 | 2012-05-08 | International Business Machines Corporation | Structure and method to improve threshold voltage of MOSFETS including a high K dielectric |
JP2011077321A (ja) * | 2009-09-30 | 2011-04-14 | Tokyo Electron Ltd | 選択的プラズマ窒化処理方法及びプラズマ窒化処理装置 |
US8748259B2 (en) * | 2010-03-02 | 2014-06-10 | Applied Materials, Inc. | Method and apparatus for single step selective nitridation |
US8394688B2 (en) | 2011-06-27 | 2013-03-12 | United Microelectronics Corp. | Process for forming repair layer and MOS transistor having repair layer |
CN102427043B (zh) * | 2011-08-04 | 2015-06-17 | 上海华力微电子有限公司 | 一种改善pmos器件载流子迁移率的方法 |
CN102427042B (zh) * | 2011-08-04 | 2015-05-20 | 上海华力微电子有限公司 | 一种改善nmos器件载流子迁移率的方法 |
US8741784B2 (en) | 2011-09-20 | 2014-06-03 | United Microelectronics Corp. | Process for fabricating semiconductor device and method of fabricating metal oxide semiconductor device |
CN102364664A (zh) * | 2011-11-10 | 2012-02-29 | 上海华力微电子有限公司 | 改善mos器件载流子迁移率的方法以及mos器件制造方法 |
CN102394220A (zh) * | 2011-11-17 | 2012-03-28 | 上海华力微电子有限公司 | 改善mos器件载流子迁移率的方法以及mos器件制造方法 |
JP6094851B2 (ja) * | 2012-08-28 | 2017-03-15 | 株式会社Screenホールディングス | 基板処理方法および基板処理装置 |
KR101912579B1 (ko) | 2012-09-07 | 2018-10-30 | 삼성전자 주식회사 | 반도체 장치의 제조 방법 |
US9634083B2 (en) | 2012-12-10 | 2017-04-25 | United Microelectronics Corp. | Semiconductor structure and process thereof |
US9059315B2 (en) | 2013-01-02 | 2015-06-16 | International Business Machines Corporation | Concurrently forming nFET and pFET gate dielectric layers |
CN104425227A (zh) * | 2013-08-20 | 2015-03-18 | 中芯国际集成电路制造(上海)有限公司 | 具有不同厚度的栅极氧化层的制造方法 |
US20150206789A1 (en) * | 2014-01-17 | 2015-07-23 | Nanya Technology Corporation | Method of modifying polysilicon layer through nitrogen incorporation for isolation structure |
US9224826B2 (en) | 2014-02-12 | 2015-12-29 | International Business Machines Corporation | Multiple thickness gate dielectrics for replacement gate field effect transistors |
US9177868B2 (en) | 2014-03-28 | 2015-11-03 | International Business Machines Corporation | Annealing oxide gate dielectric layers for replacement metal gate field effect transistors |
US9466480B2 (en) | 2014-11-04 | 2016-10-11 | United Microelectronics Corp. | Cleaning process for oxide |
US10062693B2 (en) * | 2016-02-24 | 2018-08-28 | International Business Machines Corporation | Patterned gate dielectrics for III-V-based CMOS circuits |
US10593600B2 (en) | 2016-02-24 | 2020-03-17 | International Business Machines Corporation | Distinct gate stacks for III-V-based CMOS circuits comprising a channel cap |
US9768118B1 (en) | 2016-09-19 | 2017-09-19 | International Business Machines Corporation | Contact having self-aligned air gap spacers |
US9953831B1 (en) | 2016-12-21 | 2018-04-24 | Globalfoundries Inc. | Device structures with multiple nitrided layers |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US183844A (en) * | 1876-10-31 | Improvement in stop mechanisms for drawing-frames | ||
US4774197A (en) | 1986-06-17 | 1988-09-27 | Advanced Micro Devices, Inc. | Method of improving silicon dioxide |
JPH01183844A (ja) | 1988-01-19 | 1989-07-21 | Toshiba Corp | 半導体装置 |
JPH104145A (ja) | 1996-06-18 | 1998-01-06 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
US5939763A (en) | 1996-09-05 | 1999-08-17 | Advanced Micro Devices, Inc. | Ultrathin oxynitride structure and process for VLSI applications |
US6048769A (en) * | 1997-02-28 | 2000-04-11 | Intel Corporation | CMOS integrated circuit having PMOS and NMOS devices with different gate dielectric layers |
US6051510A (en) * | 1997-05-02 | 2000-04-18 | Advanced Micro Devices, Inc. | Method of using a hard mask to grow dielectrics with varying characteristics |
US5998253A (en) * | 1997-09-29 | 1999-12-07 | Siemens Aktiengesellschaft | Method of forming a dopant outdiffusion control structure including selectively grown silicon nitride in a trench capacitor of a DRAM cell |
EP1033373B1 (en) | 1997-10-23 | 2006-06-14 | Nippon Institute for Biological Science | Feline granulocyte colony-stimulating factor |
US5952706A (en) | 1997-10-29 | 1999-09-14 | National Semiconductor Corporation | Semiconductor integrated circuit having a lateral bipolar transistor compatible with deep sub-micron CMOS processing |
US6767794B2 (en) | 1998-01-05 | 2004-07-27 | Advanced Micro Devices, Inc. | Method of making ultra thin oxide formation using selective etchback technique integrated with thin nitride layer for high performance MOSFET |
US6184110B1 (en) | 1998-04-30 | 2001-02-06 | Sharp Laboratories Of America, Inc. | Method of forming nitrogen implanted ultrathin gate oxide for dual gate CMOS devices |
JP2000243960A (ja) * | 1998-12-24 | 2000-09-08 | Sharp Corp | 絶縁ゲート型トランジスタとその製造方法 |
US6440829B1 (en) | 1998-12-30 | 2002-08-27 | Agere Systems Guardian Corp. | N-profile engineering at the poly/gate oxide and gate oxide/SI interfaces through NH3 annealing of a layered poly/amorphous-silicon structure |
US6251800B1 (en) | 1999-01-06 | 2001-06-26 | Advanced Micro Devices, Inc. | Ultrathin deposited gate dielectric formation using low-power, low-pressure PECVD for improved semiconductor device performance |
JP3472727B2 (ja) | 1999-08-13 | 2003-12-02 | Necエレクトロニクス株式会社 | 半導体装置及び半導体装置の製造方法 |
US6093661A (en) * | 1999-08-30 | 2000-07-25 | Micron Technology, Inc. | Integrated circuitry and semiconductor processing method of forming field effect transistors |
US6323106B1 (en) | 1999-09-02 | 2001-11-27 | Lsi Logic Corporation | Dual nitrogen implantation techniques for oxynitride formation in semiconductor devices |
US6444555B2 (en) | 1999-12-07 | 2002-09-03 | Advanced Micro Devices, Inc. | Method for establishing ultra-thin gate insulator using anneal in ammonia |
JP2001332722A (ja) | 2000-05-22 | 2001-11-30 | Nec Corp | 半導体装置およびその製造方法 |
JP2001351989A (ja) * | 2000-06-05 | 2001-12-21 | Nec Corp | 半導体装置の製造方法 |
US6686298B1 (en) * | 2000-06-22 | 2004-02-03 | Micron Technology, Inc. | Methods of forming structures over semiconductor substrates, and methods of forming transistors associated with semiconductor substrates |
KR100367740B1 (ko) | 2000-08-16 | 2003-01-10 | 주식회사 하이닉스반도체 | 반도체 소자의 게이트 산화막 제조방법 |
US6610615B1 (en) | 2000-11-15 | 2003-08-26 | Intel Corporation | Plasma nitridation for reduced leakage gate dielectric layers |
US6893979B2 (en) * | 2001-03-15 | 2005-05-17 | International Business Machines Corporation | Method for improved plasma nitridation of ultra thin gate dielectrics |
KR100400323B1 (ko) * | 2001-11-01 | 2003-10-01 | 주식회사 하이닉스반도체 | 반도체 소자의 시모스(cmos) 및 그의 제조 방법 |
JP2003197767A (ja) | 2001-12-21 | 2003-07-11 | Toshiba Corp | 半導体装置及びその製造方法 |
US6986571B2 (en) * | 2002-04-23 | 2006-01-17 | Hewlett-Packard Development Company, L.P. | Filter for a print cartridge |
JP2003347423A (ja) | 2002-05-28 | 2003-12-05 | Renesas Technology Corp | 半導体集積回路装置およびその製造方法 |
US6821833B1 (en) * | 2003-09-09 | 2004-11-23 | International Business Machines Corporation | Method for separately optimizing thin gate dielectric of PMOS and NMOS transistors within the same semiconductor chip and device manufactured thereby |
US7138691B2 (en) | 2004-01-22 | 2006-11-21 | International Business Machines Corporation | Selective nitridation of gate oxides |
-
2004
- 2004-01-22 US US10/707,897 patent/US7138691B2/en not_active Expired - Lifetime
-
2005
- 2005-01-17 TW TW094101283A patent/TWI343094B/zh not_active IP Right Cessation
- 2005-01-19 JP JP2005011499A patent/JP4317523B2/ja not_active Expired - Fee Related
- 2005-01-21 CN CNB2005100056243A patent/CN1302537C/zh not_active Expired - Fee Related
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2006
- 2006-08-16 US US11/465,030 patent/US7759260B2/en not_active Expired - Fee Related
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2010
- 2010-04-01 US US12/752,628 patent/US20100187614A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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CN1302537C (zh) | 2007-02-28 |
US20050164444A1 (en) | 2005-07-28 |
JP2005210123A (ja) | 2005-08-04 |
CN1645593A (zh) | 2005-07-27 |
US7138691B2 (en) | 2006-11-21 |
US7759260B2 (en) | 2010-07-20 |
US20060281265A1 (en) | 2006-12-14 |
US20100187614A1 (en) | 2010-07-29 |
TWI343094B (en) | 2011-06-01 |
TW200536055A (en) | 2005-11-01 |
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