WO2017026676A1 - 플라즈마 원자층 증착법을 이용한 실리콘 질화 박막의 제조방법 - Google Patents
플라즈마 원자층 증착법을 이용한 실리콘 질화 박막의 제조방법 Download PDFInfo
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
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- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
- C23C16/45536—Use of plasma, radiation or electromagnetic fields
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/45523—Pulsed gas flow or change of composition over time
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
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Definitions
- the present invention relates to a method for producing a silicon nitride thin film using the plasma atomic layer deposition method, and more particularly to a method for manufacturing a high purity silicon nitride thin film by the plasma atomic layer deposition method using a low power plasma.
- An insulating film containing Si-N including a silicon nitride (SiN) thin film and a silicon carbonitride (SiCN) thin film has a high resistance to hydrogen fluoride (HF). Therefore, the memory and the high-density integrated circuits (large scale integrated circuit: LSI) in the manufacturing process of a semiconductor device, such as a silicon oxide (SiO 2) increase the etching stopper layer and the deviation of the resistance value of the gate electrode at the time of etching the thin film, etc. Or as a diffusion barrier of a dopant. In particular, it is required to lower the film forming temperature of the silicon nitride film after the gate electrode is formed.
- LSI large scale integrated circuit
- the film formation temperature is 760 DEG C, which is a film formation temperature using a conventional low pressure-chemical vapor deposition (LP-CVD) method, or an atomic layer deposition (ALD) method. It is required to make it lower than 550 degreeC which is a film-forming temperature in the case.
- LP-CVD low pressure-chemical vapor deposition
- ALD atomic layer deposition
- the ALD method two kinds of (or more) raw materials used for film formation under arbitrary film forming conditions (temperature, time, etc.) are alternately supplied on a substrate, adsorbed in units of atomic layers, and subjected to surface reaction.
- This is a technique for forming a film by using a film.
- the first source gas and the second source gas flow alternately along the surface of the object to be adsorbed, thereby adsorbing the source gas molecules in the first source gas to the surface of the processing body, and the source gas molecules of the adsorbed first source gas.
- a film having a thickness of one molecular layer is formed.
- a high quality thin film can be formed on the surface of a workpiece.
- Japanese Patent Application Laid-Open No. 2004-281853 discloses an ammonia radical in which ammonia is activated by plasma when a silicon nitride film is formed by alternately supplying dichlorosilane (DCS: SiH 2 Cl 2 ) and ammonia (NH 3 ) by the ALD method. It is described that the silicon nitride film can be formed at a low temperature of 300 ° C. to 600 ° C. by supplying (NH 3 * ), but the silicon nitride film formed at a low temperature by using the ALD method affects the natural oxidation of the silicon nitride film.
- DCS dichlorosilane
- NH 3 ammonia
- the silicon nitride film formed at a low temperature has a disadvantage that the film stress is low, so that the desired stress strength cannot be realized.
- a method of introducing carbon (C) into the silicon nitride film may be considered, but introducing carbon into the silicon nitride film in a low temperature region below 400 ° C is a factor of structural defect. This may have the disadvantage that the insulation resistance can be degraded.
- Korean Patent Registration Publication No. 0444842 discloses a technique for forming a high stress silicon nitride film at low temperature (390 ° C to 410 ° C) by the ALD method, but it is an chlorine which is an unnecessary atom contained in a chemical ligand. Atom (Cl) remains in the thin film to cause particles on the surface of the substrate has a disadvantage that it is difficult to form a silicon nitride film of excellent film quality.
- the present invention has been made to solve the low stress strength, high wet etch rate and film quality deterioration of the thin film, which is a problem of the conventional low film deposition temperature ALD method.
- the present applicant uses a plasma-enhanced atomic layer deposition method that excites an amino silane derivative or a silazane derivative to plasma under specific conditions, thereby providing a high quality Si-N bond having excellent stress strength, high deposition rate, and excellent resistance to hydrogen fluoride.
- the present invention was completed to provide a method for producing a silicon nitride thin film comprising a.
- An object of the present invention is to provide a method for producing a high quality silicon nitride thin film by using a plasma atomic layer deposition method using a low power plasma in order to solve the problems of the conventional low deposition temperature ALD method.
- the present invention comprises a step of adsorbing an amino silane derivative or silazane derivative on a substrate; And generating a plasma by injecting a reaction gas into the substrate to form an atomic layer of Si—N bond; It includes, and the power (P p1 ) and the irradiation amount (P D ) of the plasma provides a method for producing a silicon nitride thin film by plasma enhanced atomic layer deposition (PEALD) characterized in that the following conditions.
- PEALD plasma enhanced atomic layer deposition
- the plasma may be irradiated for 1 to 20 sec.
- Method of manufacturing a silicon nitride thin film according to an embodiment of the present invention may be to satisfy the power (P p1 ) of the plasma in the range of 75 to 150 W and the irradiation amount (P D ) in the range of 2 to 3.5 Wsec / cm 2.
- the pressure when forming the atomic layer may be 0.1 to 100 torr.
- the substrate temperature of the method of manufacturing a silicon nitride thin film according to an embodiment of the present invention may be 200 to 450 °C.
- the amino silane derivative may be represented by the following formula (1).
- R 1 to R 4 are each independently hydrogen, halogen, (C 1 -C 5) alkyl or (C 2 -C 5) alkenyl;
- amino silane derivative or silazane derivative may be selected from the following structures.
- the reaction gas may be nitrogen (N 2 ), hydrogen (H 2 ), ammonia (NH 3 ), hydrazine (N 2 H 4 ), or a mixture thereof.
- the silicon nitride thin film may have a resistance to hydrogen fluoride (300: 1 BOE solution) in a range of 0.01 to 0.20 ⁇ s / sec.
- the silicon nitride thin film may be one having a carbon content of 0.1 atomic% or less or a hydrogen content of 10 atomic% or less.
- the silicon nitride thin film may have a silicon / nitrogen composition ratio of 0.71 to 0.87.
- the production method according to the present invention can provide a silicon nitride thin film containing high quality Si-N bonds at lower power and deposition temperature conditions by applying an amino silane derivative having a specific Si-N bond to a plasma atomic layer layering method. Has the advantage that it can.
- the manufacturing method according to the present invention can realize excellent deposition rate and excellent stress strength even under low power and low film forming temperature conditions, and the thin film prepared therefrom has high purity by minimizing impurities such as carbon, oxygen, and hydrogen. In addition to its excellent physical and electrical properties, it also has excellent resistance to hydrogen fluoride.
- FIG. 1 is a diagram illustrating a deposition method of a silicon nitride thin film according to the present invention
- Example 2 is a result of analysis using infrared spectroscopy of the silicon nitride thin film prepared in Example 1 and Comparative Example 1,
- the present invention solves the problems of the conventional ALD method of low film formation temperature, and provides a method for producing a silicon nitride thin film using a low plasma discharge strength capable of realizing excellent production efficiency.
- Silicon nitride thin film manufactured by the manufacturing method that satisfies certain conditions according to the present invention can implement excellent stress strength and deposition rate, one aspect thereof is as follows.
- Method for producing a silicon nitride thin film comprises the steps of adsorbing an amino silane derivative or silazane derivative on a substrate; And generating a plasma by injecting a reaction gas into the substrate to form an atomic layer of Si—N bond; Including, the plasma power P p1 and the irradiation amount P D may satisfy the following conditions.
- the manufacturing method according to an embodiment of the present invention is preferably performed in an inert atmosphere, but is not limited thereto.
- the inert atmosphere may include at least one gas selected from argon (Ar), neon (Ne), and helium (He).
- the composition may be, but is not limited thereto.
- the atomic layer of the Si—N bond may be formed by removing the ligand of the Si-N-containing amino silane derivative or the silazane derivative adsorbed by generating a plasma while injecting the reaction gas.
- the atomic layer of the Si-N bond may be formed by injecting the reaction gas into the chamber and excited by using the plasma of the range to generate the reaction gas radical, and is adsorbed by the reaction gas radical.
- the step of removing the non-adsorbed amino silane derivative after the step 1 to produce a high purity silicon nitride thin film; It may further include.
- the amino silane derivatives according to the present invention have high volatility and high reactivity even at room temperature (23 ° C.) to 40 ° C. and under normal pressure, and have high deposition efficiency by low power plasma enhanced atomic layer deposition at a low substrate temperature of 200 to 450 ° C. Not only is it possible to achieve high thermal stability and stress strength of the thin film.
- the pressure when forming the atomic layer of the plasma-enhanced atomic layer deposition method may be 0.1 to 100 torr, preferably 0.1 to 10 torr, more preferably 0.1 to 5 torr, but is not limited thereto. .
- the amino silane derivative may be represented by the following formula (1).
- R 1 to R 4 are each independently hydrogen, halogen, (C 1 -C 5) alkyl or (C 2 -C 5) alkenyl;
- each of R 1 to R 4 of the amino silane derivative is lower than when each independently hydrogen, methyl, ethyl, n -propyl, i -propyl, n -butyl, i -butyl, s -butyl or t -butyl It is possible to form a high purity silicon nitride thin film by having an activation energy so as not to produce excellent reactive and nonvolatile byproducts.
- the plasma-enhanced atomic layer deposition method is performed using the amino silane derivative or the silazane derivative selected from the following structures with the plasma power (P p1 ) and the irradiation amount (P D ) in the following range, high quality having excellent stress strength Silicon nitride thin film can be formed.
- the manufacturing method according to the present invention by using a specific amino silane derivative as described above, to satisfy the power (P p1 ) of the plasma in the range of 75 to 150 W and the irradiation amount (P D ) in the range of 2 to 3.5 Wsec / cm 2.
- P p1 power of the plasma
- P D irradiation amount
- a high quality silicon nitride thin film can be manufactured at a substrate temperature lower than the film formation temperature of the conventional ALD (atomic layer deposition) method.
- the silicon nitride thin film manufactured by the manufacturing method according to the present invention has excellent resistance to a cleaning liquid or an oxidized etching solution.
- the cleaning solution and the oxidized etchant include hydrogen peroxide (H 2 O 2 ), ammonium hydroxide (NH 4 OH), aqueous phosphate solution (aqueous H 3 PO 4 solution), aqueous hydrogen fluoride solution (aqueous HF solution) and buffered oxidation etchant ( buffered oxide etch (BOE) solution) and the like, but is not limited thereto.
- the silicon nitride thin film according to the present invention is particularly excellent in resistance to hydrogen fluoride.
- the silicon nitride thin film according to an embodiment of the present invention may have a resistance to hydrogen fluoride (300: 1 BOE solution) may be in the range of 0.01 to 0.20 ⁇ / sec, but is not limited thereto.
- injecting an inert gas after the step 2 to remove the remaining reaction gas and the generated by-products; further comprising a higher purity atomic layer of Si-N bond A silicon nitride thin film can be provided.
- the removal of the remaining reaction gas and the by-products may be a reaction gas and an inert gas that does not react with the amino silane derivative or silazane derivative.
- the plasma may be irradiated for 1 to 20 sec, and preferably irradiated for 5 to 15 sec in terms of minimizing the content of carbon atoms and hydrogen.
- the power P p1 and the irradiation amount P D of the plasma may form an atomic layer of Si-N bond having excellent cohesion, high deposition rate, and high purity of the silicon nitride film to be manufactured. It is preferable to be performed in a range satisfying the power P p1 of the plasma of 75 to 150 W and the irradiation amount P D of 2 to 3.5 Wsec / cm 2.
- the silicon nitride thin film has a carbon content of 0.1 atomic% or less or a hydrogen content of 10 atomic% or less, which can minimize the ratio of impurity atoms other than silicon and nitrogen, as well as excellent physical and electrical properties. It may be an insulating layer having characteristics. In this case, the silicon nitride thin film may be an excellent insulating layer in which the atomic layer of the silicon-nitrogen bond is introduced at a high content in the range of 0.71 to 0.87. In this case, the atomic% means content (atomic%) calculated based on 100 atoms of the silicon nitride thin film.
- the reaction gas is at least one reaction gas selected from nitrogen (N 2 ), hydrogen (H 2 ), ammonia (NH 3 ) and hydrazine (N 2 H 4 ) Can be.
- the reaction gas may be injected and transferred to 1 to 1000 sccm (square cubic centimeters) as a nitrogen source, but is not limited thereto.
- the pressure when forming the atomic layer of the plasma-enhanced atomic layer deposition method may be 0.1 to 100 torr, preferably 0.1 to 10 torr, more preferably 0.1 to 5 torr, but is not limited thereto. .
- the substrate temperature for film formation may be performed at 200 to 450 °C, preferably 250 to 450 °C, more preferably at 300 to 450 °C It is not limited to this.
- the composition according to the present invention by changing the composition of the amino silane derivative, the reaction gas, etc. during the plasma-enhanced atomic layer deposition and their supply time within the above range
- PEALD plasma enhanced atomic layer deposition
- Si wafer silicon wafer substrate
- Diisopropylamino silane was injected for 0.2 sec to adsorb onto the substrate and then purged with nitrogen (N 2 ) for 16 sec at 2000 sccm flow rate.
- a silicon nitride thin film was manufactured in the same manner as in Example 1, except that bisdiethylamino silane heated to 40 ° C. was used for 1.0 sec using bisdiethylamino silane instead of di isopropylamino silane.
- a silicon nitride thin film was manufactured in the same manner as in Example 2, except that the temperature of the substrate was changed to 400 ° C. instead of 300 ° C.
- a silicon nitride thin film was manufactured in the same manner as in Example 2, except that the temperature of the substrate was changed to 450 ° C. instead of 300 ° C.
- a silicon nitride thin film was manufactured in the same manner as in Example 1, except that trisdimethylamino silane heated to 40 ° C. was used for 3.0 sec using trisdimethylamino silane instead of di isopropylamino silane.
- a silicon nitride thin film was manufactured in the same manner as in Example 1, except that t-butylamino silane heated to 20 ° C. was used for 1.0 sec using bis t-butylamino silane instead of di isopropylamino silane.
- Example 1 except that the plasma irradiation amount was performed under a plasma power of 400 W for 10 sec under the condition of 10.07 Wsec / cm 2, silicon nitride was fabricated using the plasma enhanced atomic layer deposition method (PEALD) in the same configuration and method as in Example 1. A thin film was prepared.
- PEALD plasma enhanced atomic layer deposition method
- silicon nitride was fabricated using plasma enhanced atomic layer deposition (PEALD) in the same configuration and method. A thin film was prepared.
- PEALD plasma enhanced atomic layer deposition
- a silicon nitride thin film was manufactured in the same manner as in Comparative Example 2, except that the plasma power was changed to 200 W instead of 400 W.
- the silicon nitride thin films prepared from Examples 1 to 6 and Comparative Examples 1 to 3 were measured through an ellipsometer and a transmission electron microscope (TEM), and were measured using infrared spectroscopy (IR). Was used to observe the formation of the silicon nitride thin film and the results are shown in FIGS. 2 to 3.
- TEM transmission electron microscope
- IR infrared spectroscopy
- the components of the silicon nitride thin film were analyzed by Auger Electron Spectroscopy (AES) and Secondary Ion Mass Spectrometer (SIMS).
- Example 1 A silicon nitride thin film manufactured through 5 are Si-N molecular vibration is 849 to 858 cm in the infrared spectrum in accordance with the - was observed at 1, Auger electron spectroscopy results Si The ratio of and N was found to be a high purity silicon nitride thin film having a value of 0.71 to 0.78. In addition, it was confirmed that a silicon nitride thin film having high purity was formed with a carbon content of 0.1 atomic% or less, an oxygen content of 7 atomic% or less, and a hydrogen content of 10 atomic% or less.
- the resistance to the hydrogen fluoride (300: 1 BOE solution) of the silicon nitride thin film prepared in Examples 1 to 5 according to the present invention using the low pressure chemical vapor deposition method (LPCVD) Compared with the resistance (0.014 / sec) of the silicon nitride thin film formed by using dichlorosilane (SiH 2 Cl 2 ) and ammonia (NH 3 ) at 770 ° C., it has a value of 2.04 to 4.96 times, which is 0.1 of the comparative example. It was confirmed to have a value of less than twice. Thus, it was found that the resistance to the hydrogen fluoride of Examples 1 to 5 according to the present invention is superior to Comparative Examples 1 to 3.
- LPCVD low pressure chemical vapor deposition method
- the nitrogen (N 2 ) plasma power is 75 to 100 W, by minimizing the carbon content and hydrogen content in the thin film, it was confirmed that the silicon nitride thin film of better quality can be formed.
- the present invention is expected to have high utility value in forming a high quality silicon nitride thin film having high deposition rate and excellent etching resistance through a plasma enhanced atomic layer deposition process using lower power.
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Abstract
Description
Claims (11)
- 아미노 실란 유도체 또는 실라잔 유도체를 기판상에 흡착시키는 1단계; 및상기 기판에 반응가스를 주입하면서 플라즈마를 발생시켜 Si-N 결합의 원자층을 형성시키는 2단계; 를 포함하고, 상기 플라즈마의 파워(Pp1) 및 조사량(PD)은 하기 조건을 만족시키는 것을 특징으로 하는 플라즈마 강화 원자층 증착(PEALD)에 의한 실리콘 질화 박막의 제조방법.50 W ≤ Pp1 ≤ 300 W1.0 Wsec/㎠ ≤ PD ≤ 4.0 Wsec/㎠
- 제1항에 있어서,상기 플라즈마는 1 내지 20 sec 동안 조사되는 것인 실리콘 질화 박막의 제조방법.
- 제2항에 있어서,75 내지 150 W 범위의 플라즈마의 파워(Pp1) 및 2 내지 3.5 Wsec/㎠ 범위의 조사량(PD)을 만족하는 실리콘 질화 박막의 제조방법.
- 제 2항에 있어서,상기 원자층 형성시의 압력이 0.1 내지 100 torr인 절연막의 제조방법.
- 제 1항에 있어서,상기 기판의 온도는 200 내지 450 ℃ 인 절연막의 제조방법.
- 제1항에 있어서,상기 반응가스는 질소(N2), 수소(H2), 암모니아(NH3), 하이드라진(N2H4) 또는 이들의 혼합가스인 실리콘 질화 박막의 제조방법.
- 제1항에 있어서,상기 실리콘 질화 박막은 불화수소(300:1 BOE solution)에 대한 내성은 0.01 내지0.20 Å/sec 범위인 것인 실리콘 질화 박막의 제조방법.
- 제1항에 있어서,상기 실리콘 질화 박막은 0.1 원자% 이하의 탄소 함량 또는 10 원자% 이하의 수소 함량을 갖는 것인 실리콘 질화 박막의 제조방법.
- 제10항에 있어서,상기 실리콘 질화 박막은 실리콘/질소 조성 비율이 0.71 내지 0.87 범위인 것인 실리콘 질화 박막의 제조방법.
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US15/751,719 US20180230591A1 (en) | 2015-08-12 | 2016-07-14 | Method for manufacturing silicon nitride thin film using plasma atomic layer deposition method |
CN201680047188.2A CN107923041A (zh) | 2015-08-12 | 2016-07-14 | 利用等离子体原子层沉积法的氮化硅薄膜的制造方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170338109A1 (en) * | 2014-10-24 | 2017-11-23 | Versum Materials Us, Llc | Compositions and methods using same for deposition of silicon-containing films |
US20190112707A1 (en) * | 2017-10-16 | 2019-04-18 | Asm Ip Holding B.V. | Systems and methods for atomic layer deposition |
WO2019108406A1 (en) * | 2017-11-29 | 2019-06-06 | Lam Research Corporation | Method of improving deposition induced cd imbalance using spatially selective ashing of carbon based film |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9564309B2 (en) | 2013-03-14 | 2017-02-07 | Asm Ip Holding B.V. | Si precursors for deposition of SiN at low temperatures |
US10410857B2 (en) | 2015-08-24 | 2019-09-10 | Asm Ip Holding B.V. | Formation of SiN thin films |
JP6857503B2 (ja) * | 2017-02-01 | 2021-04-14 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理装置およびプログラム |
US10431695B2 (en) | 2017-12-20 | 2019-10-01 | Micron Technology, Inc. | Transistors comprising at lease one of GaP, GaN, and GaAs |
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US10319586B1 (en) * | 2018-01-02 | 2019-06-11 | Micron Technology, Inc. | Methods comprising an atomic layer deposition sequence |
US10734527B2 (en) | 2018-02-06 | 2020-08-04 | Micron Technology, Inc. | Transistors comprising a pair of source/drain regions having a channel there-between |
US10580645B2 (en) * | 2018-04-30 | 2020-03-03 | Asm Ip Holding B.V. | Plasma enhanced atomic layer deposition (PEALD) of SiN using silicon-hydrohalide precursors |
US11521849B2 (en) * | 2018-07-20 | 2022-12-06 | Applied Materials, Inc. | In-situ deposition process |
KR102617145B1 (ko) | 2018-10-02 | 2023-12-27 | 삼성전자주식회사 | 가변 저항 메모리 장치 |
CN113906539A (zh) * | 2019-05-23 | 2022-01-07 | 应用材料公司 | 原位原子层沉积工艺 |
KR20220081905A (ko) | 2020-12-09 | 2022-06-16 | 에이에스엠 아이피 홀딩 비.브이. | 실리콘 질화물 증착용 실리콘 전구체 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110007056A (ko) * | 2009-07-15 | 2011-01-21 | 에이에스엠 저펜 가부시기가이샤 | 변형된 플라즈마 원자층 증착법에 의해 규소-질소 결합을 가지며 스트레스 조정된 유전체 막을 형성하는 방법 |
KR20130016171A (ko) * | 2008-11-12 | 2013-02-14 | 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드 | 응력받은 SiN 막에 대한 아미노 비닐실란 전구체 |
KR20130057409A (ko) * | 2010-04-15 | 2013-05-31 | 노벨러스 시스템즈, 인코포레이티드 | 개선된 질화 규소 필름 및 그 개선 방법 |
KR101350544B1 (ko) * | 2007-03-30 | 2014-01-10 | 도쿄엘렉트론가부시키가이샤 | 스트레인드 실리콘 질화물막들의 형성 방법 및 이러한 막들을 포함하는 장치 |
US20140273530A1 (en) * | 2013-03-15 | 2014-09-18 | Victor Nguyen | Post-Deposition Treatment Methods For Silicon Nitride |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004281853A (ja) | 2003-03-18 | 2004-10-07 | Hitachi Kokusai Electric Inc | 基板処理装置 |
JP4607637B2 (ja) | 2005-03-28 | 2011-01-05 | 東京エレクトロン株式会社 | シリコン窒化膜の形成方法、シリコン窒化膜の形成装置及びプログラム |
US8912353B2 (en) * | 2010-06-02 | 2014-12-16 | Air Products And Chemicals, Inc. | Organoaminosilane precursors and methods for depositing films comprising same |
JP5706755B2 (ja) * | 2010-06-10 | 2015-04-22 | 東ソー株式会社 | ヒドロシラン誘導体、その製造方法、ケイ素含有薄膜の製造法 |
JP5624492B2 (ja) * | 2011-02-10 | 2014-11-12 | 大陽日酸株式会社 | シリコン含有前駆体の活性化エネルギーの算出方法、安定性評価方法、及び選定方法 |
US9200167B2 (en) * | 2012-01-27 | 2015-12-01 | Air Products And Chemicals, Inc. | Alkoxyaminosilane compounds and applications thereof |
US9905415B2 (en) * | 2013-10-03 | 2018-02-27 | Versum Materials Us, Llc | Methods for depositing silicon nitride films |
-
2015
- 2015-08-12 KR KR1020150113759A patent/KR20170019668A/ko not_active Application Discontinuation
-
2016
- 2016-07-14 JP JP2018507515A patent/JP2018528610A/ja active Pending
- 2016-07-14 CN CN201680047188.2A patent/CN107923041A/zh active Pending
- 2016-07-14 WO PCT/KR2016/007662 patent/WO2017026676A1/ko active Application Filing
- 2016-07-14 US US15/751,719 patent/US20180230591A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101350544B1 (ko) * | 2007-03-30 | 2014-01-10 | 도쿄엘렉트론가부시키가이샤 | 스트레인드 실리콘 질화물막들의 형성 방법 및 이러한 막들을 포함하는 장치 |
KR20130016171A (ko) * | 2008-11-12 | 2013-02-14 | 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드 | 응력받은 SiN 막에 대한 아미노 비닐실란 전구체 |
KR20110007056A (ko) * | 2009-07-15 | 2011-01-21 | 에이에스엠 저펜 가부시기가이샤 | 변형된 플라즈마 원자층 증착법에 의해 규소-질소 결합을 가지며 스트레스 조정된 유전체 막을 형성하는 방법 |
KR20130057409A (ko) * | 2010-04-15 | 2013-05-31 | 노벨러스 시스템즈, 인코포레이티드 | 개선된 질화 규소 필름 및 그 개선 방법 |
US20140273530A1 (en) * | 2013-03-15 | 2014-09-18 | Victor Nguyen | Post-Deposition Treatment Methods For Silicon Nitride |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170338109A1 (en) * | 2014-10-24 | 2017-11-23 | Versum Materials Us, Llc | Compositions and methods using same for deposition of silicon-containing films |
US10106890B2 (en) | 2014-10-24 | 2018-10-23 | Versum Materials Us, Llc | Compositions and methods using same for deposition of silicon-containing film |
US10316407B2 (en) * | 2014-10-24 | 2019-06-11 | Versum Materials Us, Llc | Compositions and methods using same for deposition of silicon-containing films |
US20190112707A1 (en) * | 2017-10-16 | 2019-04-18 | Asm Ip Holding B.V. | Systems and methods for atomic layer deposition |
US10927459B2 (en) * | 2017-10-16 | 2021-02-23 | Asm Ip Holding B.V. | Systems and methods for atomic layer deposition |
US11814727B2 (en) | 2017-10-16 | 2023-11-14 | Asm Ip Holding B.V. | Systems and methods for atomic layer deposition |
WO2019108406A1 (en) * | 2017-11-29 | 2019-06-06 | Lam Research Corporation | Method of improving deposition induced cd imbalance using spatially selective ashing of carbon based film |
CN111512413A (zh) * | 2017-11-29 | 2020-08-07 | 朗姆研究公司 | 使用碳基膜空间选择性灰化改善沉积引起的cd不平衡的方法 |
US10978302B2 (en) | 2017-11-29 | 2021-04-13 | Lam Research Corporation | Method of improving deposition induced CD imbalance using spatially selective ashing of carbon based film |
US11651963B2 (en) | 2017-11-29 | 2023-05-16 | Lam Research Corporation | Method of improving deposition induced CD imbalance using spatially selective ashing of carbon based film |
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US20180230591A1 (en) | 2018-08-16 |
JP2018528610A (ja) | 2018-09-27 |
KR20170019668A (ko) | 2017-02-22 |
CN107923041A (zh) | 2018-04-17 |
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