JP2008530774A - 局所的な埋込み絶縁体を形成するためのプレナー酸化方法 - Google Patents
局所的な埋込み絶縁体を形成するためのプレナー酸化方法 Download PDFInfo
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Abstract
【解決手段】第1、第2及び第3の半導体層を形成し、ここで、第1及び第3の層は第2の層に比べて酸化種の濃度が低く、
第3の層の上にマスクを形成し、
第3の層を通って酸化種を拡散させて第2の層を酸化する、
ステップを備える半導体デバイスの製造方法。
Description
(a)第1の半導体層を形成し、
(b)前記第1の半導体層の上に第2の半導体層を、前記第1の半導体層において酸化され得る種の濃度が前記第2の半導体層において酸化され得る種の濃度よりかなり低い状態で、形成方向Zに形成し、
(c)前記第2の半導体層の上に第3の半導体層を、前記第3の半導体層において酸化され得る種の濃度が前記第2の半導体層において酸化され得る種の濃度よりかなり低い状態で、形成方向Zに形成し、
(d)前記第3の半導体層に少なくとも一つの拡散層を形成し、
(e)酸化種が前記第3の半導体層の拡散層を通って拡散することにより、前記第2の半導体層を酸化する。
− 段階(c)の過程において、第3の層を、形成方向Zの厚さが少なくとも拡散層において5乃至100nmになるように、形成する。
− 段階(d)は、リソグラフィ及びそれに続く前記拡散層の近傍のマスクのエッチングにより行われるマスクの形成を含む。
− 段階(d)は、少なくとも拡散層のレベルで、形成方向Zの所定の深さにわたって、第3の層をエッチングすることにより行われる。この所定の深さは、形成方向の前記第3の層の厚さ未満である。
− 段階(e)は、ベクターガスと水蒸気の混合物を含む雰囲気のもとで行われる。
− このベクターガスは、以下のガスのうち少なくとも一つを含む。
水素、窒素、アルゴン、窒素水素(N2とH2の混合ガス)
− 段階(e)は、300℃以上の温度で行われる。
− 製法は、以下の段階からなる段階もまた含む。
(f)第4の半導体層を形成し、
(g)前記第4の半導体層の上に第5の半導体層を形成方向Z
に形成し、第4の半導体層において酸化され得る種の濃度は、第5の半導体層において酸化されうる種の濃度よりかなり低く、段階(f)と(g)は段階(a)より前に行われ、第1の半導体層は段階(a)の過程において第5の半導体層の上に形成方向Zに形成される。
− 製法は、第3の半導体層のマスクの残部にアタックする段階(h)もまた含む。
− 製法は、第3の半導体層上のエピタキシャル成長からなる段階(i)もまた含む。
− 半導体は、メンデレーエフの周期的な元素分類によるところのIII−V族の半導体である。
Claims (13)
- 半導体の製造方法であって、
(a)第1の半導体層(1,30)を形成し、
(b)前記第1の半導体層の上に第2の半導体層(2,40)を、前記第1の半導体層(1,30)において酸化され得る種の濃度が前記第2の半導体層(2,40)において酸化され得る種の濃度よりかなり低い状態で、形成方向Zに形成し、
(c)前記第2の半導体層(2,40)の上に第3の半導体層(3,50)を、前記第3の半導体層(3,50)において酸化され得る種の濃度が前記第2の半導体層(2,40)において酸化され得る種の濃度よりかなり低い状態で、形成方向Zに形成し、
(d)前記第3の半導体層(3,50)に少なくとも一つの拡散層を形成し、
(e1)前記第3の半導体層の酸化種を拡散し、
(e2)前記第3の半導体層を通って前記酸化種を拡散することにより、前記第2の半導体層(2,40)を酸化する、
段階を含むことを特徴とする製造方法。 - 請求項1に記載の製造方法であって、段階(c)の過程において、前記第3の半導体層(3,50)を、前記形成方向Zの厚さが少なくとも前記拡散層のレベルにおいて5乃至100nmになるように、形成する、製造方法。
- 請求項1又は2に記載の製造方法であって、段階(d)が、リソグラフィ及びそれに続く前記拡散層の近傍のマスクのエッチングにより作られるマスク(4)の形成を含む、製造方法。
- 請求項1又は2に記載の製造方法であって、段階(d)が、少なくとも前記拡散層のレベルで、前記第3の層(3,50)を、前記形成方向の前記第3の層の厚さ未満の前記形成方向Zの所定の深さにわたって、エッチングすることにより実現される、製造方法。
- 請求項1乃至請求項4のいずれか1つに記載の製造方法であって、段階(d)がリソグラフィにより行われる、製造方法。
- 請求項1乃至請求項5のいずれか1つに記載の製造方法であって、段階(e1)及び段階(e2)は、ベクターガス及び水蒸気の混合物を含む雰囲気の中で行われる、製造方法。
- 請求項6に記載の製造方法であって、前記ベクターガスは、水素、窒素、アルゴン、窒素水素のうち少なくとも一つを含む、製造方法。
- 請求項1乃至請求項7のいずれか1つに記載の製造方法であって、段階(e1)及び段階(e2)は300℃以上の温度で行われる、製造方法。
- 請求項1乃至請求項8のいずれか1つに記載の製造方法であって、
(f)第4の半導体層(10)を形成し、
(g)前記第4の半導体層の上に第5の半導体層(20)を形成方向Zに形成する、
ことからなる段階も含み、
前記第4の半導体層(10)において酸化され得る種の濃度は、前記第5の半導体層(20)において酸化されうる種の濃度よりかなり低く、
前記段階(f)と(g)は前記段階(a)より前に行われ、前記第1の半導体層(30)は前記段階(a)の過程において前記第5の半導体層(20)の上に形成方向Zに形成される、製造方法。 - 請求項1乃至請求項9のいずれか1つに記載の製造方法であって、前記第3の半導体層(3,50)のマスク(4)の残部にアタックする段階(h)も含む、製造方法。
- 請求項1乃至請求項10のいずれか1つに記載の製造方法であって、前記第3の半導体層(3,50)上のエピタキシーからなる段階(i)もまた含む、製造方法。
- 請求項1乃至請求項11のいずれか1つに記載の製造方法であって、前記半導体はメンデレーエフの周期的な元素分類によるところのIII−V族の半導体である、製造方法。
- 請求項1乃至請求項12のいずれか1つに記載の製造方法を実施することで作り出され得る半導体。
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FR0501201A FR2881876B1 (fr) | 2005-02-07 | 2005-02-07 | Procede d'oxydation planaire pour realiser un isolant enterre localise |
FR0501201 | 2005-02-07 | ||
PCT/FR2006/000242 WO2006082322A1 (fr) | 2005-02-07 | 2006-02-02 | Procede d’oxydation planaire pour realiser un isolant enterre localise |
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JP4350774B2 (ja) * | 2007-07-31 | 2009-10-21 | キヤノン株式会社 | 面発光レーザ |
EP2211373A1 (en) * | 2007-10-31 | 2010-07-28 | Mitsubishi Chemical Corporation | Etching method and method for manufacturing optical/electronic device using the same |
US9548355B1 (en) | 2015-06-24 | 2017-01-17 | International Business Machines Corporation | Compound finFET device including oxidized III-V fin isolator |
EP3555906A4 (en) * | 2016-12-16 | 2020-08-26 | The Government of the United States of America, as represented by the Secretary of the Navy | SELECTIVE OXIDATION OF TRANSITION METAL NITRIDE LAYERS IN COMPOSITE SEMICONDUCTOR DEVICE STRUCTURES |
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JP2003168845A (ja) * | 2001-12-03 | 2003-06-13 | Hitachi Ltd | 半導体レーザ素子及びこれを用いた光モジュール、及び光システム |
JP2004288902A (ja) * | 2003-03-24 | 2004-10-14 | Sony Corp | 面発光レーザ素子及びその製造方法 |
JP2004535057A (ja) * | 2000-08-31 | 2004-11-18 | ハネウェル・インターナショナル・インコーポレーテッド | Vcselチップ用の保護側壁の不活性化 |
US20040264531A1 (en) * | 2003-06-27 | 2004-12-30 | Honeywell International Inc. | Enhanced lateral oxidation |
JP2005501409A (ja) * | 2001-08-20 | 2005-01-13 | マットソン サーマル プロダクツ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 多数の層を有する支持体を熱処理する方法 |
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JPH04354331A (ja) * | 1991-05-31 | 1992-12-08 | Sony Corp | ドライエッチング方法 |
US20020182823A1 (en) * | 2001-04-18 | 2002-12-05 | Noriyuki Yokouchi | Wafer oxidation reactor and a method for forming a semiconductor device |
US6891202B2 (en) * | 2001-12-14 | 2005-05-10 | Infinera Corporation | Oxygen-doped Al-containing current blocking layers in active semiconductor devices |
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JPH02226780A (ja) * | 1989-02-28 | 1990-09-10 | Mitsubishi Electric Corp | 半導体レーザの製造方法 |
JPH10229248A (ja) * | 1997-02-07 | 1998-08-25 | Xerox Corp | 表面発光レーザ及びその製造方法 |
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JP2000124549A (ja) * | 1998-10-15 | 2000-04-28 | Furukawa Electric Co Ltd:The | 半導体レーザ素子 |
JP2001237410A (ja) * | 1999-12-27 | 2001-08-31 | Xerox Corp | オプトエレクトロニック集積回路とその製造方法 |
JP2004535057A (ja) * | 2000-08-31 | 2004-11-18 | ハネウェル・インターナショナル・インコーポレーテッド | Vcselチップ用の保護側壁の不活性化 |
JP2005501409A (ja) * | 2001-08-20 | 2005-01-13 | マットソン サーマル プロダクツ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 多数の層を有する支持体を熱処理する方法 |
JP2003168845A (ja) * | 2001-12-03 | 2003-06-13 | Hitachi Ltd | 半導体レーザ素子及びこれを用いた光モジュール、及び光システム |
JP2004288902A (ja) * | 2003-03-24 | 2004-10-14 | Sony Corp | 面発光レーザ素子及びその製造方法 |
US20040264531A1 (en) * | 2003-06-27 | 2004-12-30 | Honeywell International Inc. | Enhanced lateral oxidation |
Also Published As
Publication number | Publication date |
---|---|
JP5101301B2 (ja) | 2012-12-19 |
FR2881876A1 (fr) | 2006-08-11 |
US7932160B2 (en) | 2011-04-26 |
DE602006013429D1 (de) | 2010-05-20 |
EP1856778B1 (fr) | 2010-04-07 |
ATE463839T1 (de) | 2010-04-15 |
WO2006082322A1 (fr) | 2006-08-10 |
US20080164560A1 (en) | 2008-07-10 |
EP1856778A1 (fr) | 2007-11-21 |
FR2881876B1 (fr) | 2007-05-25 |
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