JP7159986B2 - エピタキシャル成長装置およびエピタキシャルウェーハの製造方法 - Google Patents
エピタキシャル成長装置およびエピタキシャルウェーハの製造方法 Download PDFInfo
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Description
[1]半導体ウェーハの表面上にエピタキシャル層を気相成長させるエピタキシャル成長装置であって、
チャンバと、
前記チャンバの内壁に配置された環状の上部ライナおよび下部ライナと、
前記チャンバの内部に設けられた、前記半導体ウェーハを載置するサセプタと、
前記下部ライナの開口部に突出した支持部上に載置されるとともに、前記サセプタの外周に配置されたプリヒートリングと、
を備え、前記半導体ウェーハは、前記サセプタが降下された状態で、前記チャンバに設けられたウェーハ搬入口から前記チャンバの内部に搬入され、前記下部ライナの支持部および前記プリヒートリングの下方を経由して前記サセプタ上に載置されるエピタキシャル成長装置において、
前記プリヒートリングは、前記半導体ウェーハが前記チャンバの内部に搬入されて前記サセプタ上に載置されるまでの搬送経路において前記半導体ウェーハが通過する領域の直上の少なくとも一部の領域において、前記支持部に支持されないように構成されていることを特徴とするエピタキシャル成長装置。
以下、図面を参照して、本発明によるエピタキシャル成長装置について説明する。本発明によるエピタキシャル成長装置は、半導体ウェーハの表面上にエピタキシャル層を気相成長させるエピタキシャル成長装置であって、チャンバと、該チャンバの内壁に配置された環状の上部ライナおよび下部ライナと、チャンバの内部に設けられた、半導体ウェーハを載置するサセプタと、下部ライナの開口部に突出した支持部上に載置されるとともに、サセプタの外周に配置されたプリヒートリングとを備える。そして、半導体ウェーハは、サセプタが降下された状態で、チャンバに設けられたウェーハ搬入口からチャンバの内部に搬入され、下部ライナの支持部およびプリヒートリングの下方を経由してサセプタ上に載置されるように構成されている。ここで、プリヒートリングは、半導体ウェーハがチャンバの内部に搬入されてサセプタ上に載置されるまでの搬送経路において半導体ウェーハWが通過する領域の直上の少なくとも一部の領域において、支持部に支持されないように構成されていることを特徴とする。
本発明によるエピタキシャルウェーハの製造方法は、上述した本発明によるエピタキシャル成長装置に反応ガスを供給して、半導体ウェーハ上にエピタキシャル層を成長させてエピタキシャルウェーハを得ることを特徴とする。
5 リフトピン
6 昇降シャフト
7 支持シャフト
7a 主柱
7b 支持アーム
10 プロセスチャンバ
11 上部ドーム
12 下部ドーム
13 ドーム取付体
14 クランプ
15 上部ライナ
16,26,36,46,56,66,76 下部ライナ
16a,26a,36a,46a,56a,66a,76a 支持部
17 ガス供給口
18 ガス排出口
20 搬送チャンバ
21 スリット材
22 連通路
23 スリットバルブ
24 ウェーハ搬入口
56b、66b、76b 凹部
60 プリヒートリング
100 エピタキシャル成長装置
B 搬送ブレード
W 半導体ウェーハ
Claims (3)
- 半導体ウェーハの表面上にエピタキシャル層を気相成長させるエピタキシャル成長装置であって、
チャンバと、
前記チャンバの内壁に配置された環状の上部ライナおよび下部ライナと、
前記チャンバの内部に設けられた、前記半導体ウェーハを載置するサセプタと、
前記下部ライナの開口部に突出した支持部上に載置されるとともに、前記サセプタの外周に配置されたプリヒートリングと、
を備え、前記半導体ウェーハは、前記サセプタが降下された状態で、前記チャンバに設けられたウェーハ搬入口から前記チャンバの内部に搬入され、前記下部ライナの支持部および前記プリヒートリングの下方を経由して前記サセプタ上に載置されるエピタキシャル成長装置において、
前記半導体ウェーハが前記チャンバの内部に搬入されて前記サセプタ上に載置されるまでの搬送経路において前記半導体ウェーハが通過する領域の直上の全ての領域において前記プリヒートリングと前記支持部との間に空隙が設けられており、前記プリヒートリングは、前記全ての領域において前記支持部に支持されないように構成されていることを特徴とするエピタキシャル成長装置。 - 請求項1に記載のエピタキシャル成長装置に反応ガスを供給して、半導体ウェーハ上にエピタキシャル層を成長させてエピタキシャルウェーハを得ることを特徴とするエピタキシャルウェーハの製造方法。
- 前記半導体ウェーハはシリコンウェーハである、請求項2に記載のエピタキシャルウェーハの製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019120088A JP7159986B2 (ja) | 2019-06-27 | 2019-06-27 | エピタキシャル成長装置およびエピタキシャルウェーハの製造方法 |
PCT/JP2020/019162 WO2020261789A1 (ja) | 2019-06-27 | 2020-05-13 | エピタキシャル成長装置およびエピタキシャルウェーハの製造方法 |
US17/622,458 US20220251726A1 (en) | 2019-06-27 | 2020-05-13 | Epitaxial growth apparatus and method of producing epitaxial wafer |
CN202080046677.2A CN114026273B (zh) | 2019-06-27 | 2020-05-13 | 外延生长装置及外延晶片的制造方法 |
KR1020217042205A KR102644060B1 (ko) | 2019-06-27 | 2020-05-13 | 에피택셜 성장 장치 및 에피택셜 웨이퍼의 제조 방법 |
DE112020003093.8T DE112020003093T5 (de) | 2019-06-27 | 2020-05-13 | Epitaxiewachstumseinrichtung und verfahren zur herstellung eines epitaxiewafers |
TW109119457A TWI792001B (zh) | 2019-06-27 | 2020-06-10 | 磊晶成長裝置及磊晶晶圓的製造方法 |
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JP2006066432A (ja) | 2004-08-24 | 2006-03-09 | Shin Etsu Handotai Co Ltd | 石英治具及び半導体製造装置 |
US20120103263A1 (en) | 2010-10-29 | 2012-05-03 | Applied Materials, Inc. | Pre-heat ring designs to increase deposition uniformity and substrate throughput |
JP2012227527A (ja) | 2011-04-18 | 2012-11-15 | Siltronic Ag | 材料層を堆積するための装置および方法 |
JP2014086688A (ja) | 2012-10-26 | 2014-05-12 | Epicrew Inc | エピタキシャル成長装置 |
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JP6330941B1 (ja) * | 2017-03-07 | 2018-05-30 | 株式会社Sumco | エピタキシャル成長装置およびプリヒートリングならびにそれらを用いたエピタキシャルウェーハの製造方法 |
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JP2006066432A (ja) | 2004-08-24 | 2006-03-09 | Shin Etsu Handotai Co Ltd | 石英治具及び半導体製造装置 |
US20120103263A1 (en) | 2010-10-29 | 2012-05-03 | Applied Materials, Inc. | Pre-heat ring designs to increase deposition uniformity and substrate throughput |
JP2012227527A (ja) | 2011-04-18 | 2012-11-15 | Siltronic Ag | 材料層を堆積するための装置および方法 |
JP2014086688A (ja) | 2012-10-26 | 2014-05-12 | Epicrew Inc | エピタキシャル成長装置 |
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US20220251726A1 (en) | 2022-08-11 |
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CN114026273A (zh) | 2022-02-08 |
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