JP5553256B2 - 3次元構造のmosfet及びその製造方法 - Google Patents
3次元構造のmosfet及びその製造方法 Download PDFInfo
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- JP5553256B2 JP5553256B2 JP2013557317A JP2013557317A JP5553256B2 JP 5553256 B2 JP5553256 B2 JP 5553256B2 JP 2013557317 A JP2013557317 A JP 2013557317A JP 2013557317 A JP2013557317 A JP 2013557317A JP 5553256 B2 JP5553256 B2 JP 5553256B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 229910021332 silicide Inorganic materials 0.000 claims description 53
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical group [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 53
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 239000013078 crystal Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 23
- 239000004065 semiconductor Substances 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 17
- 239000012535 impurity Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000010408 film Substances 0.000 description 31
- 238000005755 formation reaction Methods 0.000 description 16
- 238000004544 sputter deposition Methods 0.000 description 11
- 238000001312 dry etching Methods 0.000 description 7
- 238000005530 etching Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004335 scaling law Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- H—ELECTRICITY
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7809—Vertical DMOS transistors, i.e. VDMOS transistors having both source and drain contacts on the same surface, i.e. Up-Drain VDMOS transistors
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- H—ELECTRICITY
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- 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
- H01L29/66787—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a gate at the side of the channel
- H01L29/66795—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a gate at the side of the channel with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET
-
- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- 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
- H01L29/665—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide
- H01L29/66507—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using self aligned silicidation, i.e. salicide providing different silicide thicknesses on the gate and on source or drain
-
- H—ELECTRICITY
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/785—Field effect transistors with field effect produced by an insulated gate having a channel with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78618—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device characterised by the drain or the source properties, e.g. the doping structure, the composition, the sectional shape or the contact structure
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/785—Field effect transistors with field effect produced by an insulated gate having a channel with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET
- H01L2029/7858—Field effect transistors with field effect produced by an insulated gate having a channel with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET having contacts specially adapted to the FinFET geometry, e.g. wrap-around contacts
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
・SOI層の膜厚を所定通りに調整する。
・ドライエッチングで素子分離部のパターン形成
・SiO2などの絶縁材料でゲート絶縁膜を形成する。
・ゲート電極用Poly−Siのデポジッション
・ゲート電極用Poly−Si(ゲート電極層404)をドライエッチング処理して、ゲート電極層領域208を形成する。
・ゲート絶縁膜をエッチング(ドライエッチング又はウェットエッチング)処理して、ゲート絶縁膜領域a403を形成する。
・ソース・ドレイン領域層へボロン(B)又は燐(P)等の半導体不純物をイオン注入して不純物の高濃度領域層(ソース領域層405,ドレイン領域層406)を形成する。
・サイドウォール形成用薄膜のデポジッション
・サイドウォール形成用薄膜をドライエッチング(異方性エッチング)処理
次に、シリサイド領域を設ける例を図7に従って説明する。図7の工程(7c)乃至(7e)において、シリサイド形成用の金属(メタル)層b705を二度に分けて蒸着法により図示のごとく設ける。この際、各結晶面に最適なシリサイド領域の層厚になるように蒸着条件を選択して蒸着する。
・スパッタ法で、Er(ユーロビウム)を成膜する。
・スパッタリング条件:Arガス流量・・・20 sccm,
圧力・・・133 Pa(1 Torr),
膜厚・・・8 nm
例えば、有機溶剤でレジストを剥離しながら、メタル膜をリフトオフする。
・スパッタ法で、Er(ユーロビウム)を成膜する。
・スパッタリング条件:Arガス流量・・・20 sccm,
圧力・・・133 Pa(1 Torr),
膜厚・・・2 nm
600℃で2min間、ランプアニールする。
SPM(H2SO4:H2O2=4:1)を30sec間適用する。
次に、シリサイド領域を設けるもう一つの例を図8に従って説明する。煩雑さを避けるために、以下にまとめ書きして置くことにする。
・スパッタ法でEr膜を形成する。
・スパッタリング条件:Arガスの流量・・・20 sccm,
圧力・・・0.67 Pa(5 mTorr),
・(100)面上に5 nm、(551)面上に1 nm、Er膜を形成する。
・スパッタリング条件:Arガスの流量・・・20 sccm,
圧力・・・0.67 Pa(5 mTorr),
・(100)面上に5 nm、(551)面上に1 nm、Er膜を形成する。
600℃で2min間、ランプアニールする。
SPM(H2SO4:H2O2=4:1)を30sec間適用する。
・スパッタ法に依り、タングステン(W)膜を形成する。
・スパッタリング条件:Arガスの流量・・・・20 sccm,
圧力・・・・1.33 Pa(10 mTorr),
膜厚・・・・100 nm
・Wのドライエッチング条件:Arガスの流量・・・・100 sccm,
SF6ガスの流量・・・・20 sccm,
圧力・・・・1.33 Pa(10 mTorr),
RFパワー・・・・30W
101 シリコン基板
102 BOX層
201 SOI層領域
202 ソース領域
203 ドレイン領域
204 シリサイド領域
205 ソース電極
206 ドレイン電極
207 ゲート絶縁膜領域
208 ゲート電極層領域
209 サイドウォール
400 基体
401 SOI層
402 SOI層領域a
403 ゲート絶縁膜領域a
404 ゲート電極層
405 ソース領域層
406 ドレイン領域層
407 上面ウォール
701 (551)面
702 (100)面
703 レジスト膜
704 メタル層a(シリサイド形成用の金属層)
705 メタル層b(シリサイド形成用の金属層)
706 シリサイド化領域
707 不要(未反応)メタル層
708 シリサイド領域a
709 シリサイド領域
801 (551)面
802 (100)面
803 シリサイド化領域
804 シリサイド領域a
805 シリサイド領域
806 不要(未反応)メタル層
901 シリサイド領域
Claims (3)
- 基本電子素子が3次元構造のMOS−FETであって、それぞれ電極とシリサイド領域を有し、複数の異なる結晶面で構成されているソース領域・ドレイン領域を有する構造を備え、該ソース領域・ドレイン領域のシリサイド領域の層厚が異なる結晶面で異なることを特徴とする半導体装置。
- 基本電子素子が3次元構造のMOS−FETであって、異なる複数の結晶面を有するチャネル領域と、該チャネル領域の複数の結晶面に対面して設けられているゲート電極と、該ゲート電極と前記チャネル領域の間に設けてあるゲート絶縁膜と、前記チャネル領域の電流を流す方向に対面し該チャネル領域を挟むように設けられた第一、第二の半導体不純物の高濃度領域と、を備え、各高濃度領域は、異なる複数の結晶面を有すると共に各結晶面上に直接設けられたシリサイド領域を有し、該シリサイド領域の層厚が異なる結晶面で異なることを特徴とする半導体装置。
- 基本電子素子が3次元構造のMOS−FETであって、それぞれ電極とシリサイド領域を有し、複数の異なる結晶面で構成されているソース領域・ドレイン領域を有する構造を備える半導体装置の製造方法であって、
前記ソース領域・ドレイン領域を形成する工程と、
前記ソース領域・ドレイン領域の異なる結晶面にシリサイド形成用の金属層を異なる厚さとなるように設ける工程と、
熱処理により前記ソース領域・ドレイン領域と前記金属層との界面にシリサイド領域を形成する工程と、
を有することを特徴とする、半導体装置の製造方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/004428 WO2014009991A1 (ja) | 2012-07-09 | 2012-07-09 | 3次元構造のmosfet及びその製造方法 |
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Publication Number | Publication Date |
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JP5553256B2 true JP5553256B2 (ja) | 2014-07-16 |
JPWO2014009991A1 JPWO2014009991A1 (ja) | 2016-06-20 |
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JP2013557317A Active JP5553256B2 (ja) | 2012-07-09 | 2012-07-09 | 3次元構造のmosfet及びその製造方法 |
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Country | Link |
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US (1) | US20140252436A1 (ja) |
JP (1) | JP5553256B2 (ja) |
KR (1) | KR20140097569A (ja) |
WO (1) | WO2014009991A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US9209304B2 (en) * | 2014-02-13 | 2015-12-08 | Taiwan Semiconductor Manufacturing Co., Ltd. | N/P MOS FinFET performance enhancement by specific orientation surface |
US10217819B2 (en) * | 2015-05-20 | 2019-02-26 | Samsung Electronics Co., Ltd. | Semiconductor device including metal-2 dimensional material-semiconductor contact |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03166736A (ja) * | 1989-11-27 | 1991-07-18 | Toshiba Corp | 半導体装置の製造方法 |
WO2005036651A1 (ja) * | 2003-10-09 | 2005-04-21 | Nec Corporation | 半導体装置及びその製造方法 |
JP2009517867A (ja) * | 2005-12-27 | 2009-04-30 | インテル・コーポレーション | リセスのあるストレイン領域を有すマルチゲートデバイス |
JP2009141214A (ja) * | 2007-12-07 | 2009-06-25 | Toshiba Corp | 半導体装置およびその製造方法 |
JP2011512668A (ja) * | 2008-02-16 | 2011-04-21 | チュンブク ナショナル ユニヴァーシティ インダストリー−アカデミック コーポレイション ファウンデーション | 常温で動作する単電子トランジスタ及びその製造方法 |
JP2011103434A (ja) * | 2009-11-10 | 2011-05-26 | Taiwan Semiconductor Manufacturing Co Ltd | 高移動度チャネル(High−MobilityChannels)を有する装置のソース/ドレイン工学 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7531423B2 (en) * | 2005-12-22 | 2009-05-12 | International Business Machines Corporation | Reduced-resistance finFETs by sidewall silicidation and methods of manufacturing the same |
-
2012
- 2012-07-09 JP JP2013557317A patent/JP5553256B2/ja active Active
- 2012-07-09 WO PCT/JP2012/004428 patent/WO2014009991A1/ja active Application Filing
- 2012-07-09 KR KR1020147019288A patent/KR20140097569A/ko not_active Application Discontinuation
-
2014
- 2014-05-23 US US14/285,680 patent/US20140252436A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03166736A (ja) * | 1989-11-27 | 1991-07-18 | Toshiba Corp | 半導体装置の製造方法 |
WO2005036651A1 (ja) * | 2003-10-09 | 2005-04-21 | Nec Corporation | 半導体装置及びその製造方法 |
JP2009517867A (ja) * | 2005-12-27 | 2009-04-30 | インテル・コーポレーション | リセスのあるストレイン領域を有すマルチゲートデバイス |
JP2009141214A (ja) * | 2007-12-07 | 2009-06-25 | Toshiba Corp | 半導体装置およびその製造方法 |
JP2011512668A (ja) * | 2008-02-16 | 2011-04-21 | チュンブク ナショナル ユニヴァーシティ インダストリー−アカデミック コーポレイション ファウンデーション | 常温で動作する単電子トランジスタ及びその製造方法 |
JP2011103434A (ja) * | 2009-11-10 | 2011-05-26 | Taiwan Semiconductor Manufacturing Co Ltd | 高移動度チャネル(High−MobilityChannels)を有する装置のソース/ドレイン工学 |
Also Published As
Publication number | Publication date |
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WO2014009991A1 (ja) | 2014-01-16 |
US20140252436A1 (en) | 2014-09-11 |
KR20140097569A (ko) | 2014-08-06 |
JPWO2014009991A1 (ja) | 2016-06-20 |
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