WO2012016361A1 - 应变半导体沟道形成方法和半导体器件 - Google Patents
应变半导体沟道形成方法和半导体器件 Download PDFInfo
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- WO2012016361A1 WO2012016361A1 PCT/CN2010/001436 CN2010001436W WO2012016361A1 WO 2012016361 A1 WO2012016361 A1 WO 2012016361A1 CN 2010001436 W CN2010001436 W CN 2010001436W WO 2012016361 A1 WO2012016361 A1 WO 2012016361A1
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- semiconductor
- sige
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- epitaxial
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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
- H10D84/0167—Manufacturing their channels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/027—Manufacture or treatment of FETs having insulated gates [IGFET] of lateral single-gate IGFETs
- H10D30/0278—Manufacture or treatment of FETs having insulated gates [IGFET] of lateral single-gate IGFETs forming single crystalline channels on wafers after forming insulating device isolations
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/751—Insulated-gate field-effect transistors [IGFET] having composition variations in the channel regions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/791—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions
- H10D30/797—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions being in source or drain regions, e.g. SiGe source or drain
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/791—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions
- H10D30/798—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions being provided in or under the channel regions
-
- 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
-
- 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
- H10D64/017—Manufacture or treatment using dummy gates in processes wherein at least parts of the final gates are self-aligned to the dummy gates, i.e. replacement gate processes
-
- 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
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/691—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator comprising metallic compounds, e.g. metal oxides or metal silicates
Definitions
- the present invention relates to the field of semiconductors, and more particularly to semiconductor devices and methods of fabricating the same, and more particularly to a method of forming a strained semiconductor channel and a semiconductor device fabricated by the method. Background technique
- a tensile strained Si layer structure provided on the SiGe relaxation layer is widely used.
- the composition of the SiGe relaxed layer is expressed in the form of Si 1-x Ge, xe [0, 1].
- Fig. 1A shows an atomic lattice diagram of a tensile strained Si layer structure disposed on a SiGe relaxed layer
- Fig. 1B shows an energy level structure of a tensile strained Si layer structure disposed on a SiGe relaxed layer.
- the conduction band in the tensile strained Si layer is lower than that in the SiGe relaxation layer due to the large biaxial tensile stress in the tensile strained Si layer.
- a very high electronic in-plane mobility will be obtained in the tensile strained Si layer.
- Figure 2A shows the longitudinal Ge atomic percent distribution of the SiGe relaxed layer.
- the percentage of Ge atoms gradually increases from 0% to 100% from bottom to top, that is, X in the composition Si ⁇ Ge x gradually changes from 0 to 1.
- a SiGe relaxed layer or a Ge layer is obtained by growing an ultrathick (several micrometers) SiGe layer on a Si substrate. Further, the compressive strain in the SiGe relaxed layer is released by defect generation (Fig. 2B), thereby obtaining a SiGe relaxed layer or a Ge layer.
- FIG. 3A, 3B and 3C respectively show three conventional strained Si channel formation methods
- Fig. 3A shows a strained Si/body SiGe MOSFET (Metal Oxide Semiconductor Field Effect Transistor) structure
- Fig. 3B shows SG0I ( SiGe-On-Insulator) MOSFET structure
- Figure 3C shows the SSDOI (Strained Si Directly On Insulator) MOSFET structure.
- strain Si must be formed on the SiGe layer (or buried oxide) before the device fabrication process (for example, shallow trench isolation (STI), gate formation, etc.) Cladding.
- the strained Si coating may be damaged during the device fabrication process, for example, pad oxidation treatment in the STI process, sacrificial oxidation before the gate formation process Treatment, various wet chemical cleaning treatments, etc., may cause loss of the strained Si coating;
- the strained Si coating may relax during the high temperature step (stress is released), for example, to activate the source/ Annealing of the drain dopant may cause stress in the strained Si cladding to be released. Summary of the invention
- the present invention proposes a strained semiconductor channel formation method in which a strained semiconductor channel (a material may be selected from Si, Ge or SiGe) after removing the replacement gate, thereby avoiding strained semiconductor trenches
- a strained semiconductor channel (a material may be selected from Si, Ge or SiGe) after removing the replacement gate, thereby avoiding strained semiconductor trenches
- the channel is exposed to high temperature source/drain annealing, and semiconductor layer losses are avoided due to the processing steps experienced to reduce the strained semiconductor channel.
- the present invention also proposes a semiconductor device manufactured by the method.
- a method of forming a strained semiconductor channel comprising the steps of: forming a SiGe relaxed layer on a semiconductor substrate; forming a dielectric layer on the SiGe relaxed layer, the dielectric Forming a replacement gate on the layer, the dielectric layer and the replacement gate forming an alternative gate stack structure; depositing an interlayer dielectric layer, planarizing the interlayer dielectric layer to expose the replacement gate Etching the replacement gate and the dielectric layer to form an opening; performing selective semiconductor epitaxial growth in the opening to form a semiconductor epitaxial layer; depositing a high- ⁇ dielectric layer and a metal layer; and depositing The metal layer and the high- ⁇ dielectric layer perform a planarization process to remove the high- ⁇ dielectric layer and the metal layer overlying the interlayer dielectric layer to form a metal gate.
- the semiconductor epitaxial layer is a Si epitaxial layer, a Ge epitaxial layer, or a SiGe epitaxial layer.
- the strained semiconductor channel forming method further comprises the steps of: etching the S iGe relaxation layer in the opening To etch out a space for semiconductor epitaxial growth.
- the thickness of the semiconductor epitaxial layer is in the range of 5 to 10 nm.
- the percentage of Ge atoms in the SiGe relaxed layer gradually changes from 20% adjacent to the semiconductor substrate to 100% away from the semiconductor substrate.
- an etch stop layer is formed in the step of forming the SiGe relaxed layer. More preferably, the etch stop layer has a different percentage of Ge atoms than the SiGe relaxed layer.
- a semiconductor device comprising: a semiconductor substrate; a SiGe relaxation layer formed on the semiconductor substrate; a semiconductor epitaxial layer formed on the SiGe relaxation layer, located On the SiGe relaxation layer, or embedded in the SiGe relaxation layer; a high-K dielectric layer deposited on the entire surface of the semiconductor epitaxial layer to form a hollow column having a bottom surface; and a metal gate, Filled inside the hollow cylindrical shape formed by the high-k dielectric layer.
- the semiconductor epitaxial layer is a Si epitaxial layer, a Ge epitaxial layer, or a SiGe epitaxial layer.
- the thickness of the semiconductor epitaxial layer is in the range of 5 to 10 nm.
- the semiconductor device further includes: a sidewall spacer deposited on the SiGe relaxation layer, surrounding an outer circumference of the semiconductor epitaxial layer and the high-k dielectric layer, or surrounding the high-k dielectric layer a peripheral layer; and an interlayer dielectric layer deposited on the SiGe relaxation layer surrounding the periphery of the sidewall spacer.
- the percentage of Ge atoms in the SiGe relaxed layer gradually changes from 20% adjacent to the semiconductor substrate to 100% away from the semiconductor substrate.
- the SiGe relaxation layer is formed with an etch stop layer. More preferably, the etch stop layer has a different percentage of Ge atoms than the SiGe relaxed layer.
- the strained semiconductor layer is formed after removing the replacement gate, thereby avoiding The strained semiconductor channel is exposed to a high temperature source/drain anneal, and the loss of the strained semiconductor layer is avoided by reducing the processing steps experienced by the strained semiconductor channel.
- FIG. 1A shows an atomic lattice diagram of a tensile strained Si layer structure disposed on a SiGe relaxed layer
- FIG. 1B shows an energy level structure of a tensile strained Si layer structure disposed on a SiGe relaxed layer
- FIGS. 2A and 2B are schematic views for explaining a preparation method of a relaxation layer and properties thereof;
- 3A, 3B and 3C show three conventional strained Si channel formation methods, respectively;
- FIG. 14 shows a fabrication of a semiconductor device manufacturing method according to a first embodiment of the present invention.
- FIG. 4 to 9 and 15 to 18 are schematic views showing respective steps of a method of fabricating a semiconductor device according to a second embodiment of the present invention, wherein FIG. 18 shows a semiconductor device fabrication according to a second embodiment of the present invention. The method of fabricating a completed semiconductor device.
- FIG. Figure 14 is a schematic view showing a semiconductor device in which a semiconductor device manufacturing method is completed according to a first embodiment of the present invention.
- the semiconductor device manufactured according to the process of the first embodiment of the present invention mainly comprises: a substrate 300 (Si wafer, SOI, etc.), a SiGe relaxation layer 200 (Ge atom% is as shown in FIG. The lower to upper direction, from 20% to 100%), the semiconductor epitaxial layer 260 (shown as the Si epitaxial layer 260, which may also be a Ge ⁇ epitaxial layer or a SiGe epitaxial layer) (thickness: 5 to 10 nm), high K a dielectric layer 320 (having a thickness of 1 to 3 nm), a metal gate 330, a Si spacer 240 (having a width of 10 to 40 nm), and an interlayer dielectric layer 250 (having a thickness of 15 to 50 nm), wherein the SiGe relaxation layer 200 is formed in On the substrate 300; a gate structure composed of a Si 3 N 4 spacer 240, a Si epitaxial layer 260, a high-k dielectric layer
- the Si epitaxial layer 260 is formed, thereby avoiding the source/drain annealing treatment in which the strained Si channel is exposed to a high temperature, and the processing steps to be experienced by reducing the strained Si channel, The loss of the Si epitaxial layer 260 is avoided.
- a SiGe relaxation layer 200 is formed on a substrate 300 (Si wafer, SOI, etc.).
- the percentage of Ge atoms that is, the number of Ge atoms, is a percentage of the total number of atoms, as shown in FIG. 4 from the bottom to the top direction (from the adjacent substrate 300 to the direction away from the substrate 300), For example, the gradual change from 20% to 100%, that is, the X in the composition 5 ⁇ 6 is gradually changed from 0.2 to 1.
- the group of SiGe relaxation layers 200 The specific numerical values are used for the purpose of example only, and those skilled in the art can select an appropriate other composition (BP, re-selecting the variation range of X) according to actual needs, and the gradual change of X may be linear change, hyperbolic change, Various changes such as index changes.
- an etch stop layer eg, a change in Ge atomic % may be formed in the SiGe relaxed layer 200 so that the depth of the etch to be performed in the step shown in FIG. 10 can be controlled.
- the control of the etching depth can be achieved by forming a lamination structure of the relaxation layer/etch stop layer/relaxation layer in the SiGe relaxation layer 200 as needed.
- a replacement gate structure is formed on the SiGe relaxation layer 200 (dielectric layer 220, replacement gate 230 (shown as polysilicon gate 230, other materials known in the art may also be used), surrounding and covering the dielectric Layer 220 and Si of polysilicon gate 230 have sidewalls 240 and Si have a cap layer).
- the dielectric layer 220 has a thickness of 1 to 3 nm
- the polysilicon gate 230 has a thickness of 20 to 70 nm
- the Si 3 N 4 spacer 240 has a width in the horizontal direction of 10 to 40 nm, Si 3 N 4 .
- the thickness of the cap layer is 15 to 40 nm.
- This step is also part of the conventional process where polysilicon gate 230 is formed as an alternative to the metal gate.
- a source/drain region (not shown) is formed by a conventional method (for example, by performing ion and high temperature annealing).
- an interlayer dielectric layer is deposited on the SiGe relaxed layer 200 on which the replacement gate structure has been formed.
- Inter Layer Dielectric layer 250 For example, undoped silicon oxide (SiO 2 ), various doped silicon oxides (such as borosilicate glass, borophosphosilicate glass, etc.) and silicon nitride (Si 3 N 4 ) can be used as interlayer dielectric layers. 250 constituent materials.
- SiO 2 undoped silicon oxide
- various doped silicon oxides such as borosilicate glass, borophosphosilicate glass, etc.
- silicon nitride Si 3 N 4
- the interlayer dielectric layer 250 is subjected to a chemical mechanical planarization (CMP) treatment, thereby exposing the Si cap layer of the replacement gate structure.
- CMP chemical mechanical planarization
- an additional CMP process or a reactive ion etching (RIE) process for Si 3 N 4 is performed to remove the Si 3 N 4 cap layer, exposing the polysilicon gate 230 in place of the gate structure.
- RIE reactive ion etching
- the polysilicon gate 230 is removed by wet etching or dry etching.
- the SiGe relaxation layer 200 is etched by wet etching or dry etching to etch a space for Si epitaxial growth (etching depth is 5 to 10 nm).
- etching depth is 5 to 10 nm.
- an etch stop layer e.g., changing Ge atom%: may be formed in the SiGe relaxation layer 200, so that the etching depth can be controlled.
- a high-k dielectric layer 320 is deposited on the surface of the structure shown in FIG. 11, and the deposition thickness is in the range of 1 to 3 nm.
- the metal layer for constituting the metal gate 330 is deposited on the surface of the high-k dielectric layer 320.
- the metal layer may include a plurality of conductive layers, for example, a TiN layer is first deposited. A TiAl layer is then deposited.
- a planarization process (eg, CMP process, etc.) is performed on the formed metal layer and the high-k dielectric layer 320 to remove the high coverage of the top of the interlayer dielectric layer 250 and the Si spacer 240.
- the K dielectric layer 320 and the metal layer form a metal gate 330.
- the polysilicon gate 230 as a replacement gate has been completely replaced by the metal gate 330.
- the semiconductor fabrication process can be performed in a conventional manner, such as forming a source region silicide/drain region silicide, and/or forming a CMOS device or the like.
- the Si epitaxial layer 260 is formed, thereby avoiding the source/drain annealing treatment in which the strained Si channel is exposed to a high temperature, and the processing steps to be experienced by reducing the strained Si channel, The loss of the Si epitaxial layer 260 is avoided.
- Figure 18 is a schematic view showing a semiconductor device in which a semiconductor device manufacturing method is completed according to a second embodiment of the present invention.
- the semiconductor device manufactured according to the process of the second embodiment of the present invention mainly comprises: a substrate 300 (Si wafer, SOI, etc.), a SiGe relaxation layer 200 (Ge atom ° / according to FIG. 18
- the semiconductor epitaxial layer 260 (shown as the Si epitaxial layer 260, which may also be a Ge epitaxial layer or a SiGe epitaxial layer) (thickness is 5 to 10 nm), high in the direction from bottom to top, from 20% to 100%) K dielectric layer 320 (thickness l ⁇ 3nm), metal gate 330, Si 3 N 4 spacer 240 (width 10 ⁇ 40nm), dielectric layer 250 (thickness 15 ⁇ 50nm), wherein SiGe relaxation layer 200 is formed on the substrate 300; a gate structure composed of the Si spacer 240, the Si epitaxial layer 260, the high K dielectric layer 320, and the metal gate 330 is formed on the SiGe relaxation layer 200; the interlayer dielectric layer
- the Si epitaxial layer 260 is formed, thereby avoiding the source/drain annealing treatment in which the strained Si channel is exposed to a high temperature, and the processing steps to be experienced by reducing the strained Si channel, The loss of the Si epitaxial layer 260 is avoided.
- the polysilicon gate 230 has been removed by wet etching or dry etching.
- Si epitaxial growth is performed directly on the SiGe relaxation layer 200 in the opening surrounded by the Si 3 N 4 spacer 240 to form a top surface of the SiGe relaxation layer 200.
- the Si epitaxial layer 260 and the Si epitaxial layer 260 have a thickness of 5 to 10 nm.
- a high-k dielectric layer 320 is deposited on the surface of the structure shown in Fig. 15, and the deposition thickness is in the range of 1 to 3 nm.
- the metal layer for constituting the metal gate 330 is deposited on the surface of the high-k dielectric layer 320.
- the metal layer may include a plurality of conductive layers, for example, a TiN layer is first deposited, A TiAl layer is then deposited.
- a planarization process (eg, CMP process, etc.) is performed on the formed metal layer and the high-k dielectric layer 320, and the interlayer dielectric layer 250 and the Si 3 N 4 sidewall 240 are removed.
- a top high dielectric layer 320 and a metal layer form a metal gate 330.
- the polysilicon gate 230 as a replacement gate has been completely replaced by the metal gate 330.
- the semiconductor fabrication process can be performed in a conventional manner, such as forming a source region silicide/drain region silicide, and/or forming a CMOS device or the like.
- the Si epitaxial layer 260 is formed, thereby avoiding the source of the strained Si channel being exposed to high temperature.
- the pole/drain annealing process, and the loss of the Si epitaxial layer 260, is avoided due to the reduced processing steps experienced by the strained Si channel. .
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201090000828.2U CN202758852U (zh) | 2010-08-04 | 2010-09-19 | 一种半导体器件 |
| GB1121729.6A GB2487113B (en) | 2010-08-04 | 2010-09-19 | Method of forming strained semiconductor channel and semiconductor device |
| US13/059,285 US8575654B2 (en) | 2010-08-04 | 2010-09-19 | Method of forming strained semiconductor channel and semiconductor device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010244987.3 | 2010-08-04 | ||
| CN201010244987.3A CN102347235B (zh) | 2010-08-04 | 2010-08-04 | 应变半导体沟道形成方法和半导体器件 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012016361A1 true WO2012016361A1 (zh) | 2012-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2010/001436 Ceased WO2012016361A1 (zh) | 2010-08-04 | 2010-09-19 | 应变半导体沟道形成方法和半导体器件 |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN102347235B (zh) |
| WO (1) | WO2012016361A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456633A (zh) * | 2012-05-30 | 2013-12-18 | 中芯国际集成电路制造(上海)有限公司 | Mos管及其形成方法 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367133B (zh) * | 2012-03-29 | 2016-03-30 | 中芯国际集成电路制造(上海)有限公司 | 高介电常数金属栅极制造方法 |
| CN103681345B (zh) * | 2012-09-26 | 2016-05-25 | 中芯国际集成电路制造(上海)有限公司 | 晶体管及其形成方法 |
| US8878302B2 (en) * | 2012-12-05 | 2014-11-04 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device having SiGe substrate, interfacial layer and high K dielectric layer |
| JP6309299B2 (ja) * | 2013-02-27 | 2018-04-11 | ルネサスエレクトロニクス株式会社 | 圧縮歪みチャネル領域を有する半導体装置及びその製造方法 |
| CN105097888A (zh) * | 2014-05-12 | 2015-11-25 | 中芯国际集成电路制造(上海)有限公司 | 场效应晶体管及其制造方法 |
| CN110459673B (zh) | 2018-05-07 | 2022-11-29 | 联华电子股份有限公司 | 半导体元件及其制作方法 |
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| US20040000268A1 (en) * | 1998-04-10 | 2004-01-01 | Massachusetts Institute Of Technology | Etch stop layer system |
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| CN1612353A (zh) * | 2003-10-31 | 2005-05-04 | 国际商业机器公司 | 高迁移率异质结互补场效应晶体管及其方法 |
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| JP2000243854A (ja) * | 1999-02-22 | 2000-09-08 | Toshiba Corp | 半導体装置及びその製造方法 |
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| JP2005197405A (ja) * | 2004-01-06 | 2005-07-21 | Toshiba Corp | 半導体装置とその製造方法 |
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2010
- 2010-08-04 CN CN201010244987.3A patent/CN102347235B/zh active Active
- 2010-09-19 CN CN201090000828.2U patent/CN202758852U/zh not_active Expired - Fee Related
- 2010-09-19 WO PCT/CN2010/001436 patent/WO2012016361A1/zh not_active Ceased
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| US20040000268A1 (en) * | 1998-04-10 | 2004-01-01 | Massachusetts Institute Of Technology | Etch stop layer system |
| CN1525542A (zh) * | 2003-02-28 | 2004-09-01 | ���ǵ�����ʽ���� | 具有抬升的源极和漏极结构的金氧半晶体管及其制造方法 |
| CN1612353A (zh) * | 2003-10-31 | 2005-05-04 | 国际商业机器公司 | 高迁移率异质结互补场效应晶体管及其方法 |
| CN1790742A (zh) * | 2004-11-02 | 2006-06-21 | 国际商业机器公司 | 具有内部隔片结构的金属镶嵌栅极场效应晶体管 |
| US20060166417A1 (en) * | 2005-01-27 | 2006-07-27 | International Business Machines Corporation | Transistor having high mobility channel and methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456633A (zh) * | 2012-05-30 | 2013-12-18 | 中芯国际集成电路制造(上海)有限公司 | Mos管及其形成方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102347235B (zh) | 2014-02-12 |
| CN102347235A (zh) | 2012-02-08 |
| CN202758852U (zh) | 2013-02-27 |
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