JP7365761B2 - 気相成長装置 - Google Patents
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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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- C23C16/455—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
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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
- C23C16/46—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 heating the substrate
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- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
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Description
前記第1の領域は第1のコンダクタンスを有し、前記第2の領域は第2のコンダクタンスを有し、前記第2のコンダクタンスに対する前記第1のコンダクタンスの比率は、1%以上40%以下である。
第1の実施形態の気相成長装置は、反応室と、反応室の上に設けられ、プロセスガスが導入されるガス室と、ガス室から反応室にプロセスガスを供給する複数のガス流路と、を備え、複数のガス流路のうち少なくとも1つは、第1の領域と、第1の領域と反応室との間に位置する第2の領域とを有し、第1の領域はプロセスガスの流れる方向に垂直な面における第1の開口断面積と上記方向の第1の長さとを有し、第2の領域は上記方向に垂直な面における第2の開口断面積と上記方向の第2の長さとを有し、第1の開口断面積は第2の開口断面積よりも小さく、第1の長さは第2の長さ以下である。
第2の実施形態の気相成長装置は、第1の領域は、第2の領域と分離可能な部品で形成される点で、第1の実施形態の気相成長装置と異なっている。以下、第1の実施形態と重複する内容については記述を一部省略する。
第3の実施形態の気相成長装置は、ガス室が1つである点で、第1の実施形態の気相成長装置と異なっている。以下、第1の実施形態と重複する内容については記述を一部省略する。
11 第1のガス室(ガス室)
12 第2のガス室
15 ガス室
14 サセプタ(ホルダ)
51 第1のガス流路(ガス流路)
51a 上部領域(第1の領域)
51b 下部領域(第2の領域)
51x 部品
52 第2のガス流路
52a 上部領域
52b 下部領域
100 気相成長装置
300 気相成長装置
G0 プロセスガス
G1 第1のプロセスガス(プロセスガス)
G2 第2のプロセスガス
W ウェハ(基板)
L1 第1の長さ
L2 第2の長さ
S1 第1の開口断面積
S2 第2の開口断面積
Claims (6)
- 反応室と、
前記反応室の上に設けられ、第1のプロセスガスが導入される第1のガス室と、
前記第1のガス室から前記反応室に前記第1のプロセスガスを供給する複数の第1のガス流路と、
前記反応室の中に設けられ、基板を載置可能なホルダと、
前記基板を1500℃以上の温度に加熱することが可能な第1のヒータ及び第2のヒータと、
を備え、
前記複数の第1のガス流路は、前記第1のガス流路の外周を構成する第1の管状部品をそれぞれ含み、
前記複数の第1のガス流路のうち少なくとも1つの第1のガス流路は、第1の領域と、前記第1の領域と前記反応室との間に位置する第2の領域とを含み、
前記第1の領域は、前記第1の管状部品の第1の上部領域と、前記第1の上部領域の内側に挿入され第1の開口を有し分離可能で前記第1の管状部品と接する第1の部品を含み、
前記第2の領域は前記第1の管状部品の第1の下部領域を含み、
前記第1の領域は、前記第1のプロセスガスの流れる第1の方向の第1の長さと、前記第1の方向に垂直な面における第1の開口断面積と、を有し、前記第2の領域は、前記第1の方向の第2の長さと、前記第1の方向に垂直な面における第2の開口断面積と、を有し、前記第1の開口断面積は前記第2の開口断面積よりも小さく、前記第1の長さは前記第2の長さ以下であり、
前記第1の領域は第1のコンダクタンスを有し、前記第2の領域は第2のコンダクタンスを有し、前記第2のコンダクタンスに対する前記第1のコンダクタンスの比率は、1%以上40%以下である、気相成長装置。 - 前記第2の領域の内壁面と前記第1の方向に対し垂直な面とのなす角度は80度以上である請求項1記載の気相成長装置。
- 前記第2の長さは5mm以上である請求項1または請求項2記載の気相成長装置。
- 前記反応室と前記第1のガス室との間に設けられ、前記第1のプロセスガスと異なる第2のプロセスガスが導入される第2のガス室と、
前記第2のガス室から前記反応室に前記第2のプロセスガスを供給する複数の第2のガス流路と、
を更に備え、
前記複数の第2のガス流路は、前記第2のガス流路の外周を構成する第2の管状部品をそれぞれ含み、
前記複数の第2のガス流路のうち少なくとも1つの第2のガス流路は、第3の領域と、前記第3の領域と前記反応室との間に位置する第4の領域とを含み、
前記第3の領域は、前記第2の管状部品の第2の上部領域と、前記第2の上部領域の内側に挿入され第2の開口を有し分離可能で前記第2の管状部品と接する第2の部品を含み、
前記第4の領域は前記第2の管状部品の第2の下部領域を含み、
前記第3の領域は、前記第2のプロセスガスの流れる第2の方向の第3の長さと、前記第2の方向に垂直な面における第3の開口断面積と、を有し、前記第4の領域は、前記第2の方向の第4の長さと、前記第2の方向に垂直な面における第4の開口断面積と、を有し、前記第3の開口断面積は前記第4の開口断面積よりも小さく、前記第3の長さは前記第4の長さ以下である請求項1ないし請求項3いずれか一項記載の気相成長装置。 - 前記第4の長さは前記第2の長さよりも短い、請求項4記載の気相成長装置。
- 反応室上に設けられ、プロセスガスが導入されるガス室と、
前記ガス室から前記反応室に前記プロセスガスを供給する複数のガス流路と、
前記反応室の中に設けられ、基板を載置可能なホルダと、
前記基板を1500℃以上の温度に加熱することが可能な第1のヒータ及び第2のヒータと、
を備え、
前記複数のガス流路は、前記ガス流路の外周を構成する管状部品をそれぞれ含み、
前記複数のガス流路のうちの少なくとも1つのガス流路は、第1の領域と、前記第1の領域と前記反応室との間に位置する第2の領域とを含み、
前記第1の領域は、前記管状部品の上部領域と、前記上部領域の内側に挿入され開口を有し分離可能で前記管状部品と接する部品を含み、
前記第2の領域は前記管状部品の下部領域を含み、
前記少なくとも1つのガス流路の上端の第1の流路面積より前記少なくとも1つのガス流路の下端の第2の流路面積が大きく、前記少なくとも1つのガス流路の前記上端と前記下端の中間位置における流路面積は、前記第1の流路面積より大きく、前記第2の流路面積以下である気相成長装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018157826A JP7365761B2 (ja) | 2018-08-24 | 2018-08-24 | 気相成長装置 |
EP19851325.1A EP3843125A4 (en) | 2018-08-24 | 2019-07-19 | VAPOR PHASE GROWING DEVICE |
CN201980055815.0A CN112640045B (zh) | 2018-08-24 | 2019-07-19 | 气相生长装置 |
PCT/JP2019/028426 WO2020039809A1 (ja) | 2018-08-24 | 2019-07-19 | 気相成長装置 |
TW108125796A TWI810333B (zh) | 2018-08-24 | 2019-07-22 | 氣相成長裝置 |
US17/163,714 US20210180208A1 (en) | 2018-08-24 | 2021-02-01 | Vapor phase growth apparatus |
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JP2018157826A JP7365761B2 (ja) | 2018-08-24 | 2018-08-24 | 気相成長装置 |
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JP2020031200A5 JP2020031200A5 (ja) | 2021-09-02 |
JP7365761B2 true JP7365761B2 (ja) | 2023-10-20 |
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EP (1) | EP3843125A4 (ja) |
JP (1) | JP7365761B2 (ja) |
CN (1) | CN112640045B (ja) |
TW (1) | TWI810333B (ja) |
WO (1) | WO2020039809A1 (ja) |
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JP7152970B2 (ja) * | 2019-03-01 | 2022-10-13 | 株式会社ニューフレアテクノロジー | 気相成長装置 |
CN113508189B (zh) * | 2019-11-27 | 2023-07-28 | 东莞市中镓半导体科技有限公司 | 一种用于GaN材料生长的线性喷头 |
JP7440666B2 (ja) | 2020-12-14 | 2024-02-28 | 株式会社ニューフレアテクノロジー | 気相成長装置及び気相成長方法 |
WO2022130926A1 (ja) * | 2020-12-14 | 2022-06-23 | 株式会社ニューフレアテクノロジー | 気相成長装置及び気相成長方法 |
JP2022130880A (ja) * | 2021-02-26 | 2022-09-07 | 株式会社Screenホールディングス | 基板処理装置、および、基板処理方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000252270A (ja) | 1999-03-01 | 2000-09-14 | Ebara Corp | ガス噴射ヘッド |
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TWI810333B (zh) | 2023-08-01 |
CN112640045A (zh) | 2021-04-09 |
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