JP7418287B2 - 基板処理装置及び基板処理方法 - Google Patents
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- 239000000758 substrate Substances 0.000 title claims description 35
- 238000003672 processing method Methods 0.000 title claims description 6
- 238000010790 dilution Methods 0.000 claims description 74
- 239000012895 dilution Substances 0.000 claims description 74
- 239000003085 diluting agent Substances 0.000 claims description 36
- 238000007599 discharging Methods 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 235000012489 doughnuts Nutrition 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 234
- 235000012431 wafers Nutrition 0.000 description 51
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 21
- 238000010586 diagram Methods 0.000 description 21
- 229910001873 dinitrogen Inorganic materials 0.000 description 19
- LXEXBJXDGVGRAR-UHFFFAOYSA-N trichloro(trichlorosilyl)silane Chemical compound Cl[Si](Cl)(Cl)[Si](Cl)(Cl)Cl LXEXBJXDGVGRAR-UHFFFAOYSA-N 0.000 description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 238000004458 analytical method Methods 0.000 description 10
- 229910052581 Si3N4 Inorganic materials 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 8
- 239000010453 quartz Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 4
- 239000003779 heat-resistant material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45578—Elongated nozzles, tubes with holes
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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
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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
- C23C16/22—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
- C23C16/34—Nitrides
- C23C16/345—Silicon nitride
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- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
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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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45565—Shower nozzles
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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
- C23C16/52—Controlling or regulating the coating process
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C16/458—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 characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
- C23C16/4584—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally the substrate being rotated
Description
図1~図3を参照し、実施形態の基板処理装置の一例について説明する。図1は、実施形態の基板処理装置の一例を示す概略図である。図2は、図1のII-II断面矢視図である。図3は、ノズル支持部の一例を示す断面図である。
図4~図15を参照し、実施形態の基板処理装置1が備える希釈ガス吐出部100の一例について説明する。図4は希釈ガス吐出部100の一例を示す斜視図であり、希釈ガス吐出部100を内管11の上に取り付けた状態を示す。図5は希釈ガス吐出部100の一例を示す斜視図であり、希釈ガス吐出部100を内管11の上から取り外した状態を示す。図6は、希釈ガス吐出部100を側方から見たときの図である。図7は、希釈ガス吐出部100を上方から見たときの図である。図8は、希釈ガス吐出部100を下方から見たときの図である。
実施形態の基板処理方法について、前述の基板処理装置1を用いて化学気相堆積(CVD:Chemical Vapor Deposition)法により、ウエハWにシリコン窒化膜を成膜する方法を例に挙げて説明する。
実施例では、実施形態に係る基板処理装置1の希釈ガス吐出部100から窒素ガスを吐出しながら、処理ガスノズルからヘキサクロロジシラン(HCD)ガス及びアンモニアガスを吐出し、シリコン窒化膜を成膜したときの膜厚について数値解析を行った。窒素ガスは希釈ガスの一例であり、HCDガス及びアンモニアガスは処理ガスの一例である。数値解析では、Ansys社製の汎用流体解析ソフトウェア(Fluent)を用いた。
10 処理容器
11 内管
12 外管
31a~31g 処理ガスノズル
32 希釈ガスノズル
100 希釈ガス吐出部
110 蓋
111 位置規定部
120 流入部
121 嵌合部
122 水平部
130 流出部
131a~131d 水平部
132a~132d 吐出部
140 分配部
Claims (11)
- 略円筒形状を有する処理容器と、
前記処理容器の内壁内側に沿って鉛直方向に延設し、内部にガス流路を形成するガスノズルと、
前記処理容器の上に設けられ、前記ガス流路と連通し、前記ガスノズルから導入されるガスを分配して前記処理容器の外周部から吐出するガス吐出部と、
を備え、
前記ガス吐出部は、
前記ガス流路と連通する流入路を形成する流入部と、
前記処理容器内に前記ガスを吐出する複数の流出路を形成する流出部と、
前記流入路と前記複数の流出路とを連通させる分配路を形成する分配部と、
を含む、
基板処理装置。 - 前記流入部は、
前記ガスノズルの上部が挿入される嵌合部と、
一端が前記嵌合部と接続され、他端が前記分配部と接続される水平部と、
を含む、
請求項1に記載の基板処理装置。 - 前記流出部は、
一端が前記分配部と接続され、他端が前記処理容器の径方向に沿って前記処理容器の外周部まで延びる水平部と、
前記水平部の前記他端から下方に延び、ガス孔が開設された吐出部と、
を含む、
請求項1又は2に記載の基板処理装置。 - 前記吐出部は、前記処理容器の上部を含む一部の高さ領域に延設する
請求項3に記載の基板処理装置。 - 前記ガス吐出部は、前記処理容器の上に設けられ、円板形状を有する蓋を含み、
前記流入部、前記流出部及び前記分配部は、前記蓋に取り付けられている、
請求項1乃至4のいずれか一項に記載の基板処理装置。 - 前記分配部は、前記蓋の中心に配置されている、
請求項5に記載の基板処理装置。 - 前記蓋には、前記処理容器に対する前記蓋の位置を規定する位置規定部が設けられている、
請求項5又は6に記載の基板処理装置。 - 前記位置規定部は、前記蓋の下面から下方に延設すると共に前記蓋の周方向に沿って円弧状に延設する、
請求項7に記載の基板処理装置。 - 前記分配部は、ドーナツ形状を有する、
請求項1乃至7のいずれか一項に記載の基板処理装置。 - 前記処理容器の内壁内側に沿って鉛直方向に延設し、前記処理容器内に処理ガスを吐出する処理ガスノズルを更に備え、
前記ガス吐出部から吐出される前記ガスは、前記処理ガスを希釈する希釈ガスである、
請求項1乃至9のいずれか一項に記載の基板処理装置。 - 略円筒形状を有する処理容器の内壁内側に沿って鉛直方向に延設する処理ガスノズルから前記処理容器内に処理ガスを吐出する工程と、
前記処理容器の上において希釈ガスを分配して前記処理容器の上部における外周部から吐出する工程と、
を有する、基板処理方法。
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JP2020094880A JP7418287B2 (ja) | 2020-05-29 | 2020-05-29 | 基板処理装置及び基板処理方法 |
KR1020210063390A KR20210147895A (ko) | 2020-05-29 | 2021-05-17 | 기판 처리 장치 및 기판 처리 방법 |
CN202110544014.XA CN113745127A (zh) | 2020-05-29 | 2021-05-19 | 基板处理装置和基板处理方法 |
US17/326,937 US11725284B2 (en) | 2020-05-29 | 2021-05-21 | Substrate processing apparatus and substrate processing method |
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Citations (2)
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US20120064730A1 (en) | 2003-08-26 | 2012-03-15 | Takashi Ozaki | Producing method of semiconductor device and substrate processing apparatus |
JP2013110432A (ja) | 2008-08-06 | 2013-06-06 | Hitachi Kokusai Electric Inc | 基板処理装置、基板処理方法及び半導体装置の製造方法 |
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JPH08186081A (ja) * | 1994-12-29 | 1996-07-16 | F T L:Kk | 半導体装置の製造方法及び半導体装置の製造装置 |
JP5157100B2 (ja) * | 2006-08-04 | 2013-03-06 | 東京エレクトロン株式会社 | 成膜装置及び成膜方法 |
JP5383332B2 (ja) * | 2008-08-06 | 2014-01-08 | 株式会社日立国際電気 | 基板処理装置、基板処理方法及び半導体装置の製造方法 |
JP5734081B2 (ja) * | 2010-10-18 | 2015-06-10 | 株式会社日立国際電気 | 基板処理装置、基板処理装置の温度制御方法、及び基板処理装置の加熱方法 |
JP6807275B2 (ja) | 2017-05-18 | 2021-01-06 | 東京エレクトロン株式会社 | 成膜方法および成膜装置 |
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US20120064730A1 (en) | 2003-08-26 | 2012-03-15 | Takashi Ozaki | Producing method of semiconductor device and substrate processing apparatus |
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