WO2012055199A1 - 一种半导体结构及其制造方法 - Google Patents
一种半导体结构及其制造方法 Download PDFInfo
- Publication number
- WO2012055199A1 WO2012055199A1 PCT/CN2011/071349 CN2011071349W WO2012055199A1 WO 2012055199 A1 WO2012055199 A1 WO 2012055199A1 CN 2011071349 W CN2011071349 W CN 2011071349W WO 2012055199 A1 WO2012055199 A1 WO 2012055199A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dielectric layer
- source
- contact hole
- contact
- layer
- 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.)
- Ceased
Links
Classifications
-
- H10W20/40—
-
- 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
- H10D84/0149—Manufacturing their interconnections or electrodes, e.g. source or drain electrodes
-
- 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
-
- H10W20/082—
Definitions
- the present invention relates to the field of semiconductor structure fabrication, and more particularly to a semiconductor structure and a method of fabricating the same. Background technique
- the source/drain regions 116 are pre-amorphized through the contact holes to form a local amorphous silicon region 114;
- Performing annealing causes a portion of the metal in contact with the amorphous silicon to react to form the metal silicide layer 124, and the underlying layer of the metal silicide remains residual amorphous silicon;
- the transition between the metal silicide and the amorphous silicon layer between the source/drain regions and the metal electrode can effectively reduce the resistivity between the source/drain region and the metal electrode, thereby reducing the contact resistance.
- the present invention provides a method of fabricating a semiconductor structure, the method comprising:
- the present invention also provides a semiconductor structure including a substrate, a gate stack, a first dielectric layer, a second dielectric layer, and a contact plug, wherein:
- the source/drain regions are embedded in the substrate
- the gate stack is formed over the substrate
- the first dielectric layer covers the source/drain regions, and the second dielectric layer covers the first dielectric layer or the first dielectric layer and the gate stack;
- the contact plug is embedded in the first dielectric layer and the second dielectric layer, and a cross-sectional area of the contact plug embedded in the second dielectric layer is smaller than a surface embedded in the first dielectric layer The cross-sectional area of the contact plug.
- the semiconductor structure provided by the present invention and the manufacturing method thereof by making the cross-sectional area of the second contact hole larger than the cross-sectional area of the first contact hole, a contact plug with a large contact area can be formed, and the contact plug and the source are reduced. Contact resistance of the drain region; further, when the contact plug is formed, the second medium is covered on the gate The layer facilitates reducing the possibility of a short circuit between the gate stack and the source and drain due to misalignment of the contact holes and over-etching.
- FIG. 1 is a flow chart showing a specific embodiment of a method of fabricating a semiconductor structure in accordance with the present invention
- FIG. 2 to FIG. 8 are schematic cross-sectional structural views of the semiconductor structure at various stages of fabrication in the process of fabricating a semiconductor structure according to the method illustrated in FIG. 1;
- Figure 9 is a schematic illustration of a semiconductor structure for reducing source/drain contact resistance in U.S. Patent Application Serial No. 2010/010,904.
- first and second features are formed in direct contact
- Additional features are formed between the first and second features such that the first and second features may not be in direct contact
- the semiconductor structure includes a substrate 100, a gate stack, and a sidewall spacer 400 (only a semiconductor structure including the sidewall spacer 400 is explicitly described in this document, but In other embodiments, the sidewall spacer 400), the first dielectric layer 300, the second dielectric layer 500, and the contact plug 800 may also be excluded, wherein:
- the source/drain regions 230 are formed in the substrate 100;
- the gate stack is formed over the substrate 100, and the sidewall spacers 400 are formed on sidewalls of the gate stack;
- the first dielectric layer 300 covers the source/drain region 230, and the second dielectric layer 500 covers the first dielectric layer 300 or the first dielectric layer 300 and the gate stack;
- the contact plug 800 is embedded in the first dielectric layer 300 and the second dielectric layer 500, and the cross-sectional area of the contact plug 800 embedded in the second dielectric layer 500 is smaller than that embedded in the first The cross-sectional area of the contact plug 800 in the dielectric layer 300.
- the gate stack includes a gate metal 210 and a gate dielectric layer 220, and the material of the contact plug 800 is W, an AL TiAl alloy, or a combination thereof.
- the contact plug 800 and the source/drain region 230 have a contact layer 700, and the contact layer 700 is connected to the source/drain region 230.
- the contact layer 700 can be clipped only.
- the substrate 100 is a silicon substrate.
- the contact layer 700 may be a metal silicide such as nickel silicide, titanium silicide, cobalt silicide or copper silicide.
- a sidewall of the first contact hole 510 and/or a sidewall of the second contact hole 310 has a liner
- the contact plug 800 has a liner between the source/drain region 230 (the The liner is not shown in the drawings, and the material of the liner may be Ti, TiN, Ta, TaN, Ru or a combination thereof, and the contact plug 800 is electrically connected through the liner and the source/drain regions 230).
- the source/drain regions 230 are raised source/drain regions (ie, the top of the source and drain regions 230 are epitaxially elevated and higher than the bottom of the gate stack), and the second contact hole 310 extends to the source.
- the inside of the/drain region 230 is flush with the bottom of the gate stack (herein, the term “flush” or “coplanar” means that the height difference between the two is within the range allowed by the process error).
- source/drain regions 230 are not elevated source/drain regions, and the bottom of second contact hole 310 is flush with the bottom of the gate stack.
- Layer of matter. The "conformal" means that the thickness of the amorphized layer is hooked and conforms to the shape of the bottom and side walls of the second contact hole 230.
- the material of the first dielectric layer 300 is fluorosilicate glass, borophosphosilicate glass, phosphosilicate glass, undoped vitreous silica, silicon oxynitride, low-k material or The combination thereof (for example, the first dielectric layer 300 may have a multi-layer structure, and the adjacent two layers of materials are different).
- the second dielectric layer 500 material is selected from the first dielectric layer 300 and will not be described again.
- the material of the second dielectric layer 500 is SiN.
- the first dielectric layer may be the same material as the second dielectric layer.
- the method includes:
- Step S100 providing a substrate 100 including source/drain regions 230, forming a gate stack over the substrate, the gate stack including a gate dielectric layer and a metal gate layer on a side of the gate stack
- the walls form side walls.
- Step S101 forming a first dielectric layer covering the source/drain regions and the gate stack on the substrate;
- Step S102 forming over the first dielectric layer or over the first dielectric layer and the gate stack a second dielectric layer, the material of the second dielectric layer being different from the material of the first dielectric layer;
- Step S103 etching the second dielectric layer to form a first contact hole reaching the first dielectric layer
- Step S104 etching the first dielectric layer 300 through the first contact hole 510 to form the source /drain region 230 second contact hole 310, the cross-sectional area of the second contact hole 310 is larger than the cross-sectional area of the first contact hole 510;
- Step S105 after filling the first contact hole 510 and the second contact hole 310 with a conductive material, planarizing the conductive material to expose the second dielectric layer 500 to form a contact plug 800 to be embedded in
- the cross-sectional area of the contact plug 800 in the second dielectric layer 500 is smaller than the cross-sectional area of the contact plug 800 embedded in the first dielectric layer 300.
- the semiconductor device includes: a substrate 100, a source/drain region 230 formed in the substrate 100, and a gate stack formed on the substrate 100 a sidewall 400 formed at the sidewall of the gate region.
- the substrate 100 includes a silicon substrate (e.g., a wafer).
- the substrate 100 can include various doping configurations in accordance with design requirements known in the art, such as a P-type substrate or an N-type substrate.
- the substrate 100 in other embodiments may also include other basic semiconductors such as germanium.
- the substrate 100 may include a compound semiconductor such as silicon carbide, gallium arsenide, indium arsenide or indium phosphide.
- the thickness of the substrate 100 can be, but is not limited to, about a few hundred microns, for example, it can range from 400 ⁇ m to 800 ⁇ m.
- the source/drain regions 230 may be formed by implanting a germanium or germanium type dopant or impurity into the substrate 100.
- the source/drain regions 230 may be germanium doped SiGe, for NMOS
- the source/drain region 230 may be N-doped Si.
- Source/drain regions 230 may be formed by methods including photolithography as well as ion implantation, diffusion, and/or other suitable processes. In the present embodiment, the source/drain regions 230 are internal to the substrate 100. In other embodiments, the source/drain regions 230 may be elevated source and drain structures formed by selective epitaxial growth, the epitaxial portion of which The top is higher than the bottom of the gate stack.
- a gate stack is formed.
- the gate stack includes a gate and a gate dielectric layer 220 carrying a gate; in a gate last process (gate last)
- the gate stack includes a dummy gate and a gate dielectric layer 220 carrying a dummy gate.
- spacers 400 are formed on the sidewalls of the gate stack for separating the gates.
- the spacer 400 can be formed of silicon nitride, silicon oxide, silicon oxynitride, silicon carbide, and/or other suitable materials.
- the side wall 400 may have a multi-layered structure.
- the sidewall 400 may be formed by a deposition-etch process having a thickness ranging from about 10 nm to 100 nm.
- step S101 is performed to form a first dielectric layer 300 covering the source/drain regions 230, the gate stack, and the sidewall spacers 400 on the substrate 100 (as shown, between the gate stacks) Also filled by the first dielectric layer 300).
- the first dielectric layer 300 may be formed on the substrate 100 by chemical vapor deposition (CVD), high density plasma CVD, or other suitable method.
- the material of the first dielectric layer 300 may include fluorosilicate glass, BPSG (borophosphosilicate glass), PSG (phosphorus silicate glass), USG (undoped silica glass), silicon oxynitride, low-k material or a combination thereof (eg
- the first dielectric layer 300 may have a multi-layer structure, and the adjacent two layers of materials are different).
- the subsequent selection of the second dielectric layer 500 material is the same as that of the first dielectric layer 300, and will not be described again.
- the thickness of the first dielectric layer 300 ranges from about 40 nm to about 150 nm.
- the first dielectric layer 300 and the gate stack are subjected to a planarization process of chemical-mechanical polish (CMP), as shown in FIG. 2, so that the upper surface of the gate stack is The upper surface of the first dielectric layer 300 is coplanar and exposes the top of the gate stack Part and side wall 400.
- CMP chemical-mechanical polish
- the gate stack includes a dummy gate
- a replacement gate process can be performed. Specifically, the dummy gate is first removed, and then a metal gate layer is deposited in the recess formed after the dummy gate is removed, and then the metal gate layer is planarized so that the top portion thereof is coplanar with the first dielectric layer 300.
- the gate dielectric layer 220 is located on the substrate 100, which may be a thermal oxide layer, including silicon oxide, silicon oxynitride, or a deposited high-k dielectric such as Hf0 2 , HfSiO, HfSiON, HfTaO, HfTiO.
- a thermal oxide layer including silicon oxide, silicon oxynitride, or a deposited high-k dielectric such as Hf0 2 , HfSiO, HfSiON, HfTaO, HfTiO.
- HfZrO, A1 2 0 3 , La 2 0 3 , Zr0 2 or LaAlO is approximately 1 nm to 3 nm.
- a successful functional metal layer ie, gate metal 210 on the gate dielectric layer 220 by depositing, for example, TaC, TiN, TaTbN, TaErN, TaYbN, TaSiN, HfSiN, MoSiN, RuTa x , NiTa x , the thickness of which is approximately 10nm-20nm.
- the upper surface of the first dielectric layer 300 is flush with the upper surface of the gate metal 210; in other embodiments, the upper surface of the first dielectric layer 300 may be higher than the upper surface of the gate metal 210.
- the upper surface of the first dielectric layer 300 may be higher than the upper surface of the gate metal 210, it is necessary to control the process to cover the gate metal 210 when subsequently forming the second contact hole embedded in the first dielectric layer 300.
- the first dielectric layer 300 is not removed.
- step S102 is performed to form the second dielectric layer 500.
- the second dielectric layer 500 may be formed by chemical vapor deposition (CVD), ALD (atomic layer deposition), plasma enhanced atomic layer deposition (PEALD), pulsed laser deposition (PLD), or other suitable method.
- CVD chemical vapor deposition
- ALD atomic layer deposition
- PEALD plasma enhanced atomic layer deposition
- PLD pulsed laser deposition
- the material of the second dielectric layer 500 may be SiN. It should be noted that the second dielectric layer 500 and the first dielectric layer 300 select different materials for selective etching, and reduce the area covered by the second dielectric layer 500 when etching the first dielectric layer 300. Damage.
- step S103 the second dielectric layer is etched to form a first contact hole.
- a second photoresist layer 600 is first coated on the second dielectric layer 500, and the photoresist layer 600 is subjected to exposure patterning to form a small hole, and the small hole is located at the source/ Above the drain region 230, a position corresponding to the first contact hole 510 is formed.
- the second dielectric layer 500 is selectively etched using photolithography and stopped on the first dielectric layer 300 to form a first contact hole 510.
- an anisotropic engraving is used in this example. eclipse.
- the first contact hole 510 may be formed using a process including, but not limited to, dry etching or wet etching. As shown in FIG. 5, after the first contact hole 510 is formed, the first dielectric layer 300 under the second dielectric layer 500 is exposed, so that the processing of the next step S104 can be performed.
- Step S104 is performed to etch the first dielectric layer to form a second contact hole.
- the first dielectric layer 300 may be selectively etched through the first contact hole 510 to form the second contact hole 310.
- the etching manner of the second contact hole 310 may be dry etching, wet etching, or selecting a suitable etching manner according to manufacturing requirements.
- the first dielectric layer 300 may be etched by an anisotropic etching process to form a small hole having a hole diameter substantially equal to that of the first contact hole 510, and then the isotropic etching process is used to expand the hole.
- the small hole forms a second contact hole 310 having a larger sectional area than the first contact hole 510.
- the second contact hole 310 may be formed by a suitable etching method, for example, the second contact hole 510 is directly formed by an isotropic etching (such as dry etching or wet etching).
- the inner diameter or the cross-sectional area of the second contact hole 310 may be made larger than the inner diameter or the cross-sectional area of the first contact hole 510.
- the formed second contact hole 310 does not necessarily have a uniform inner diameter. Since the upper end of the second contact hole 310 is etched for a longer period of time than the lower end is etched, the second contact formed in contact with the source/drain region 230 is formed.
- the inner diameter or the cross-sectional area of the lower end of the hole 310 may be smaller than the inner diameter or the cross-sectional area of the upper end, but it is necessary to ensure that the inner diameter or the cross-sectional area of the lower end of the second contact hole 310 in contact with the source/drain region 230 is larger than the inner diameter of the first contact hole 510 or Sectional area.
- the gate stack is protected by the second dielectric layer 500 and the sidewall spacers 400, even if the etching is performed while forming the second contact hole 310, the short circuit between the gate and the source and drain is not easily caused.
- An increase in the contact area of the bottom of the second contact hole 310 with the source/drain region 230 can effectively reduce the contact resistance.
- the source/drain region 230 is a lifted source/drain structure formed by selective epitaxial growth, the top of the epitaxial portion is higher than the bottom of the gate stack, the second contact hole 310 may be formed inside the source/drain region 230 and The bottom of the gate stack is flush, such that when the contact plug 800 is formed in the second contact hole 310, the contact plug 800 can be in contact with the source/drain region 230 through a portion of the sidewall and bottom of the second contact hole 310. Thereby further increasing the contact area and reducing the contact resistance.
- a contact layer 700 is formed on the exposed source/drain regions 230 (eg, for a silicon substrate, the contact layer 700 is a metal silicide).
- the lower portion of the second contact hole 310 is an exposed source/drain region 230 on which metal is deposited and annealed to form a contact layer 700.
- the exposed source/drain regions are pre-amorphized by ion implantation, deposition of amorphization or in-situ doping growth through the second contact hole 310 to form a local amorphous region.
- the metal layer formed on the amorphous region is then formed by metal sputtering or chemical vapor deposition.
- the metal may be nickel.
- the metal may also be other viable metals such as Ti or Co.
- the semiconductor structure is subsequently annealed, and other annealing processes, such as rapid thermal annealing, spike annealing, etc., may be employed in other embodiments.
- the device is typically annealed using a transient annealing process, such as microsecond laser annealing at a temperature above about 1000 ° C to cause the deposited metal to form a non-deposited region within the source/drain region 230.
- the crystallized material reacts to form a contact layer 700, which may be nickel silicide, titanium silicide, cobalt silicide or copper silicide or other metal silicide (as exemplified by a silicon substrate), depending on the deposited metal layer.
- the unreacted deposited metal can be removed by chemical etching.
- the amorphous compound may be one of amorphous silicon, amorphized silicon germanium, or amorphized silicon carbon.
- the advantage of forming the metal silicide 700 is that the resistivity between the contact plug 800 and the source/drain regions 230 can be reduced, further reducing the contact resistance.
- the second dielectric layer 500 is formed on the gate, which reduces damage to the gate.
- step S105 is performed to fill the first contact hole 510 and the second contact hole 310 with a conductive material (such as metal).
- a contact plug 800 is formed in the first contact hole 510 and the second contact hole 310 by deposition.
- the contact plug 800 is filled inside the first contact hole 510 and the second contact hole 310, and the contact plug 800 can be
- the contact layer 700 eg, metal silicide
- the material of the contact plug 800 is 1 ⁇ .
- the material of the contact plug 800 may be any one of W, Al, TiAl alloys or a combination thereof.
- a liner (not shown) may be formed on the sidewall of the first contact hole 510 and the sidewall and bottom of the second contact hole 310, and the liner may pass ALD, CVD, PVD
- the deposition process may be formed by a deposition process, and the material of the liner may be Ti, TiN, Ta, TaN, Ru or a combination thereof.
- the second dielectric layer 500 and the contact plug 800 are subjected to a chemical-mechanical polish (CMP) process, as shown in FIG.
- CMP chemical-mechanical polish
- a gate contact hole may be formed on the second dielectric layer 500 corresponding to a position subsequent to the gate stack by a photolithography process and then deposited in the contact hole.
- a metal interconnection layer may be formed on the semiconductor structure of the embodiment, the metal interconnection layer being arranged for selectively connecting the contact plug or the source/drain region at the gate stack
- Contact plugs 800 at 230 form internal circuit structures of different semiconductor structures to meet different manufacturing needs.
- a first contact hole 510 having a smaller inner diameter is first formed in the second dielectric layer 500, and then etching the first
- the dielectric layer 300 forms a second contact hole 310 having a larger inner diameter, and finally fills the contact plug 800 inside the first contact hole 510 and the second contact hole 310. Since the second dielectric layer 500 and the sidewall spacers 4004 properly protect the gate stack, the contact plug and the gate short circuit caused by over-etching in etching the first dielectric layer in the prior art are avoided.
- the exposed area of the contact plug 800 connecting the source drain is small and far from the gate, it is easy to avoid the short circuit between the gate and the source and drain when the contact hole of the gate is formed later, and the subsequent process is facilitated.
- the contact area of the lower portion of the metal with the substrate 100 is relatively large, which reduces the electrical resistance between the contact plug and the source/drain regions as a whole, improving the performance of the semiconductor structure.
Landscapes
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/380,380 US20120112252A1 (en) | 2010-10-29 | 2011-02-27 | Semiconductor structure and method for manufacturing the same |
| CN2011900000641U CN202721115U (zh) | 2010-10-29 | 2011-02-27 | 一种半导体结构 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010526916.2 | 2010-10-29 | ||
| CN201010526916.2A CN102456613B (zh) | 2010-10-29 | 2010-10-29 | 一种半导体结构及其制造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012055199A1 true WO2012055199A1 (zh) | 2012-05-03 |
Family
ID=45993106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2011/071349 Ceased WO2012055199A1 (zh) | 2010-10-29 | 2011-02-27 | 一种半导体结构及其制造方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20120112252A1 (zh) |
| CN (2) | CN102456613B (zh) |
| WO (1) | WO2012055199A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176453A (zh) * | 2018-02-17 | 2019-08-27 | 格芯公司 | 中段制程结构 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8507375B1 (en) * | 2012-02-02 | 2013-08-13 | GlobalFoundries, Inc. | Alignment tolerant semiconductor contact and method |
| CN103915384B (zh) * | 2013-01-08 | 2016-08-10 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
| US20140209984A1 (en) * | 2013-01-31 | 2014-07-31 | Taiwan Semiconductor Manufacturing Company, Ltd | Semiconductor Device With Multi Level Interconnects And Method Of Forming The Same |
| US9396950B2 (en) * | 2013-03-15 | 2016-07-19 | Globalfoundries Inc. | Low thermal budget schemes in semiconductor device fabrication |
| US9263330B2 (en) | 2014-01-10 | 2016-02-16 | Taiwan Semiconductor Manufacturing Company Limited | Semiconductor device, method for forming contact and method for etching continuous recess |
| CN105097649B (zh) * | 2014-05-04 | 2017-11-03 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构的形成方法 |
| CN105632921B (zh) * | 2014-10-27 | 2019-07-02 | 中国科学院微电子研究所 | 自对准接触制造方法 |
| CN107275329B (zh) * | 2016-04-08 | 2020-03-10 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其形成方法 |
| CN108257917B (zh) * | 2016-12-28 | 2021-02-02 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
| US10256089B2 (en) * | 2017-06-19 | 2019-04-09 | Globalfoundries Inc. | Replacement contact cuts with an encapsulated low-K dielectric |
| CN115732541A (zh) * | 2022-11-25 | 2023-03-03 | 中国科学院微电子研究所 | Mos器件的制备方法 |
| CN118263191B (zh) * | 2024-05-30 | 2024-08-23 | 杭州积海半导体有限公司 | 半导体器件及其制作方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1770464A (zh) * | 2004-10-21 | 2006-05-10 | 株式会社瑞萨科技 | 磁存储装置 |
| US20070040188A1 (en) * | 2005-08-19 | 2007-02-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Contact or via hole structure with enlarged bottom critical dimension |
| CN101452832A (zh) * | 2007-12-07 | 2009-06-10 | 三星电子株式会社 | 形成锗硅化物层的方法、半导体装置、制造该装置的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6787886B1 (en) * | 1999-07-07 | 2004-09-07 | Oki Electric Industry Co., Ltd. | Semiconductor device and methods of fabricating the same |
| US6429087B2 (en) * | 1999-08-30 | 2002-08-06 | Micron Technology, Inc. | Methods of forming capacitors |
| KR100505062B1 (ko) * | 2003-02-22 | 2005-07-29 | 삼성전자주식회사 | 반도체 소자의 제조방법 |
-
2010
- 2010-10-29 CN CN201010526916.2A patent/CN102456613B/zh active Active
-
2011
- 2011-02-27 US US13/380,380 patent/US20120112252A1/en not_active Abandoned
- 2011-02-27 CN CN2011900000641U patent/CN202721115U/zh not_active Expired - Lifetime
- 2011-02-27 WO PCT/CN2011/071349 patent/WO2012055199A1/zh not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1770464A (zh) * | 2004-10-21 | 2006-05-10 | 株式会社瑞萨科技 | 磁存储装置 |
| US20070040188A1 (en) * | 2005-08-19 | 2007-02-22 | Taiwan Semiconductor Manufacturing Company, Ltd. | Contact or via hole structure with enlarged bottom critical dimension |
| CN101452832A (zh) * | 2007-12-07 | 2009-06-10 | 三星电子株式会社 | 形成锗硅化物层的方法、半导体装置、制造该装置的方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176453A (zh) * | 2018-02-17 | 2019-08-27 | 格芯公司 | 中段制程结构 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102456613B (zh) | 2014-08-20 |
| CN102456613A (zh) | 2012-05-16 |
| CN202721115U (zh) | 2013-02-06 |
| US20120112252A1 (en) | 2012-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202721115U (zh) | 一种半导体结构 | |
| CN102487014B (zh) | 一种半导体结构及其制造方法 | |
| CN103107091B (zh) | 一种半导体结构及其制造方法 | |
| CN102468226B (zh) | 一种半导体结构及其制造方法 | |
| US11532713B2 (en) | Source/drain contacts and methods of forming same | |
| CN102148236B (zh) | 半导体元件及其制造方法 | |
| CN107689376B (zh) | 半导体器件和方法 | |
| CN103137488B (zh) | 半导体器件及其制造方法 | |
| KR20190024625A (ko) | 반도체 디바이스 및 방법 | |
| KR101900202B1 (ko) | 상호 접속 구조물, 이의 제조 방법, 및 이를 이용하는 반도체 디바이스 | |
| CN203277329U (zh) | 一种半导体器件 | |
| CN112530904A (zh) | 接触结构及其形成方法 | |
| WO2013026243A1 (zh) | 一种半导体结构及其制造方法 | |
| CN103377924B (zh) | 一种半导体结构及其制造方法 | |
| CN106531805A (zh) | 互连结构及其制造方法以及使用互连结构的半导体器件 | |
| TW202118067A (zh) | 半導體裝置 | |
| CN114551400A (zh) | FinFET器件及方法 | |
| CN113130655A (zh) | 半导体器件及其制造方法 | |
| WO2012167508A1 (zh) | 一种半导体结构及其制造方法 | |
| CN203134802U (zh) | 一种半导体结构 | |
| CN104282568B (zh) | 一种半导体结构及其制造方法 | |
| CN113161287A (zh) | 互连结构及其形成方法 | |
| CN102856206B (zh) | 一种半导体结构及其制造方法 | |
| CN118380380A (zh) | 半导体器件及其形成方法 | |
| WO2012162963A1 (zh) | 一种半导体结构的制造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 201190000064.1 Country of ref document: CN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 13380380 Country of ref document: US |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11835473 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 11835473 Country of ref document: EP Kind code of ref document: A1 |