JPH08508851A - 複合ゲート電極を有するmosトランジスタ及びその製造方法 - Google Patents
複合ゲート電極を有するmosトランジスタ及びその製造方法Info
- Publication number
- JPH08508851A JPH08508851A JP6514179A JP51417994A JPH08508851A JP H08508851 A JPH08508851 A JP H08508851A JP 6514179 A JP6514179 A JP 6514179A JP 51417994 A JP51417994 A JP 51417994A JP H08508851 A JPH08508851 A JP H08508851A
- Authority
- JP
- Japan
- Prior art keywords
- gate electrode
- conductive layer
- layer
- oxide semiconductor
- metal oxide
- 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
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- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 55
- 229920005591 polysilicon Polymers 0.000 claims abstract description 54
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 28
- 239000004065 semiconductor Substances 0.000 claims description 19
- 229910021332 silicide Inorganic materials 0.000 claims description 19
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 17
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 229910044991 metal oxide Inorganic materials 0.000 claims description 15
- 150000004706 metal oxides Chemical class 0.000 claims description 15
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 12
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 2
- 230000005669 field effect Effects 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 abstract description 9
- 239000010703 silicon Substances 0.000 abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 31
- 230000008569 process Effects 0.000 description 25
- 230000000694 effects Effects 0.000 description 9
- 238000005530 etching Methods 0.000 description 8
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 229910052721 tungsten Inorganic materials 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 108091006146 Channels Proteins 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 239000007943 implant Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical group [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- 108090000699 N-Type Calcium Channels Proteins 0.000 description 2
- 102000004129 N-Type Calcium Channels Human genes 0.000 description 2
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 125000004437 phosphorous atom Chemical group 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 102000052666 B-Cell Lymphoma 3 Human genes 0.000 description 1
- 108700009171 B-Cell Lymphoma 3 Proteins 0.000 description 1
- 101150072667 Bcl3 gene Proteins 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241000282376 Panthera tigris Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910003818 SiH2Cl2 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- -1 silicon nitrides Chemical class 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66575—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate
- H01L29/6659—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate with both lightly doped source and drain extensions and source and drain self-aligned to the sides of the gate, e.g. lightly doped drain [LDD] MOSFET, double diffused drain [DDD] MOSFET
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- 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
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- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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- H01L21/28079—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 a single metal, e.g. Ta, W, Mo, Al
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- 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
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- H01L21/28088—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 a composite, e.g. TiN
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- 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
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- H01L29/4975—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a composite material, e.g. organic material, TiN, MoSi2 being a silicide layer, e.g. TiSi2
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/665—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- Engineering & Computer Science (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.第1の導電型の基板に形成された金属酸化物半導体電界効果トランジスタに おいて、 上記基板上に形成されたゲート絶縁層と、 上記ゲート絶縁層上に形成された導電層、 上記導電層上に形成されかつ上記導電層とほぼ同じ長さ及び幅を有するポ リシリコン層、 を有する複合電極と、 上記基板中に上記複合ゲート電極の外縁と位置を合わせて形成された第2の導 電型の一対のソース/ドレイン領域と、 を具備した金属酸化物半導体電界効果トランジスタ。 2.上記導電層が、TiN、W及び多結晶質炭素からなるグループより選択される 請求項1記載の金属酸化物半導体トランジスタ。 3.上記導電層が、金属シリサイドである請求項1記載の金属酸化物半導体トラ ンジスタ。 4.第1の導電型の基板上に形成された軽ドープドレイン型金属酸化物半導体ト ランジスタにおいて、 上記基板上に成されたゲート絶縁層と、 上記複合ゲート電極の幅沿いの横方向の両側壁を有する複合ゲート電極であっ て、 上記ゲート絶縁層上に形成された導電層、 上記導電層上に形成されたポリシリコン層、 を有し、上記ポリシリコン層と上記導電層がほぼ同じ長さと幅を有する複 合ゲート電極と、 上記複合ゲート電極の上記横方向の両側壁と位置を合わせて上記基板中に形成 された第1の濃度の第2の導電型の一対の軽ドープドレイン領域と、 上記複合ゲート電極の横方向の両側壁に隣接して形成された一対のスペーサと 、 上記第1の濃度より大きい第2の濃度の上記第2の導電型の一対のソース/ド レイン領域で、上記スペーサの外縁と位置を合わせて上記基板中に形成された一 対のソース/ドレイン領域と、 を具備した軽ドープドレイン型金属酸化物半導体トランジスタ。 5.上記導電層が、TiN、W及び多結晶質炭素からなるグループから選択される 請求項4記載の軽ドープドレイン型金属酸化物半導体トランジスタ。 6.上記スペーサが、窒化ケイ素である請求項4記載の軽ドープドレイン型金属 酸化物半導体トランジスタ。 7.上記ポリシリコン層が、約3500Åの厚さを有し、上記導電層が約500 Åの厚さを有する請求項4記載の軽ドープドレイン型金属酸化物半導体トランジ スタ。 8.上記第1の導電型がP形であり、上記第2の導電型がN形である請求項4記 載の軽ドープドレイン型金属酸化物半導体トランジスタ。 9.さらに上記ポリシリコン層上及び上記ソース/ドレイン領域上に形成された シリサイドを具備する請求項4記載の軽ドープドレイン型金属酸化物半導体トラ ンジスタ。 10.上記導電層が金属シリサイドである請求項4記載の軽ドープドレイン型金 属酸化物半導体トランジスタ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US98908092A | 1992-12-11 | 1992-12-11 | |
US07/989,080 | 1992-12-11 | ||
PCT/US1993/011116 WO1994014198A1 (en) | 1992-12-11 | 1993-11-16 | A mos transistor having a composite gate electrode and method of fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08508851A true JPH08508851A (ja) | 1996-09-17 |
JP3488236B2 JP3488236B2 (ja) | 2004-01-19 |
Family
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JP51417994A Expired - Lifetime JP3488236B2 (ja) | 1992-12-11 | 1993-11-16 | 複合ゲート電極を有するmosトランジスタ |
Country Status (8)
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US (2) | US5625217A (ja) |
JP (1) | JP3488236B2 (ja) |
KR (1) | KR100327875B1 (ja) |
AU (1) | AU5669794A (ja) |
GB (1) | GB2286723B (ja) |
HK (1) | HK43297A (ja) |
SG (1) | SG43836A1 (ja) |
WO (1) | WO1994014198A1 (ja) |
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JP2008530769A (ja) * | 2005-01-13 | 2008-08-07 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 高い誘電率のSiO2ゲート積層体上に熱的に安定したp型金属炭化物としてTiCを製造する方法 |
JP2008541487A (ja) * | 2005-05-17 | 2008-11-20 | マイクロン テクノロジー, インク. | 斬新な低電力不揮発性メモリおよびゲートスタック |
WO2011104782A1 (ja) * | 2010-02-24 | 2011-09-01 | パナソニック株式会社 | 半導体装置 |
JP2011176104A (ja) * | 2010-02-24 | 2011-09-08 | Panasonic Corp | 半導体装置 |
US8994125B2 (en) | 2010-02-24 | 2015-03-31 | Panasonic Intellectual Property Management Co., Ltd. | Semiconductor device including a field effect transistor |
Also Published As
Publication number | Publication date |
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US5625217A (en) | 1997-04-29 |
JP3488236B2 (ja) | 2004-01-19 |
AU5669794A (en) | 1994-07-04 |
GB2286723A (en) | 1995-08-23 |
KR100327875B1 (ko) | 2002-09-05 |
GB2286723B (en) | 1997-01-08 |
HK43297A (en) | 1997-04-18 |
GB9507917D0 (en) | 1995-06-21 |
US5783478A (en) | 1998-07-21 |
SG43836A1 (en) | 1997-11-14 |
WO1994014198A1 (en) | 1994-06-23 |
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