JP6116690B2 - 反射性電極を有するオプトエレクトロニクス半導体チップの製造方法 - Google Patents
反射性電極を有するオプトエレクトロニクス半導体チップの製造方法 Download PDFInfo
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Description
半導体積層体を設けるステップと;
前記半導体積層体の上面に金属ミラー層を配置するステップと;
前記ミラー層の少なくとも露出側面にミラー保護層を配置するステップと;
前記半導体積層体を部分的に除去するステップとを含み、
前記ミラー層は、横方向において前記ミラー保護層に囲われる、前記半導体積層体に向かう開口部を有し;
前記半導体積層体の部分的除去は、前記ミラー層の前記開口部の領域内で行われ;
前記ミラー層の前記露出側面への前記ミラー保護層の配置は、自己配置により行なう。
Claims (15)
- −半導体積層体(10)を設けるステップと、
−前記半導体積層体(10)の上面に金属ミラー層(21)を配置するステップと、
−前記ミラー層の少なくとも露出側面(21c)にミラー保護層(3)を配置するステップと、
−前記半導体積層体(10)を部分的に除去するステップと、
を含む、オプトエレクトロニクス半導体チップ(1)の製造方法であって、
−前記ミラー層(21)は、横方向(l)において前記ミラー保護層(3)に囲われる、前記半導体積層体(10)に向かう開口部(23)を有し、
−前記半導体積層体(10)の前記部分的除去は、前記ミラー層(21)の前記開口部(23)の領域内で行われ、
−前記ミラー層(21)の前記露出側面(21c)への前記ミラー保護層(3)の配置は、自己配置により行ない、
−前記ミラー層(21)の前記露出側面(21c)への前記ミラー保護層(3)の前記自己配置のために、前記半導体積層体(10)とは反対側の前記ミラー層(21)の前記上面と、前記ミラー層(21)の前記露出側面(21c)とに前記ミラー保護層(3)が適合的に堆積されるステップが実行され、
前記ミラー保護層(3)は、前記半導体積層体(10)の前記部分的除去前に前記ミラー層(21)の前記露出側面(21c)に設けられ、
前記半導体積層体(10)の活性領域は、前記半導体積層体(10)の前記部分的除去の際に貫通され、前記活性領域の側面は露出し、
さらなる保護層(8)が、前記活性領域の前記側面の前記露出後、前記活性領域の前記露出側面に自己配置する、
オプトエレクトロニクス半導体チップ(1)の製造方法。 - 前記ミラー保護層(3)は、マスク技術または感光技術を含まない処理により、前記ミラー層(21)の前記露出側面(21c)に設けられる、請求項1に記載の方法。
- 前記ミラー保護層(3)は、酸化物または窒化物を用いて形成され、また、前記ミラー保護層(3)の前記適合的堆積は、プラズマ化学気相成長法、原子層成長法、気相成長法、スパッタリング、または、蒸着法の中の一つを用いて行われ得る、請求項1または2に記載の方法。
- −少なくとも一つの中間保護層(4)が、前記ミラー層(21)の前記露出側面(21c)への前記ミラー保護層(3)の前記自己配置前に、前記半導体積層体(10)とは反対側の前記ミラー層(21)の前記上面に配置され、
−前記少なくとも一つの中間保護層(4)の露出側面もまた、前記ミラー層(21)の前記露出側面への前記ミラー保護層(3)の前記自己配置中に、前記ミラー保護層(3)によって被覆される、請求項1〜3のいずれか一項に記載の方法。 - 前記中間保護層(4)および前記ミラー層(21)を構造化する際、前記ミラー層(21)が前記中間保護層(4)よりも前記横方向(l)に後退している箇所のチャンファ(15)が、前記中間保護層(4)の下部に具現化される、請求項4に記載の方法。
- −前記ミラー層(21)は、銀を含み、
−前記半導体積層体(10)の前記部分的除去は、ハロゲン化物含有材料を用いたエッチングによって行われる、請求項1〜5のいずれか一項に記載の方法。 - 前記さらなる保護層(8)の前記自己配置は、前記半導体積層体(10)とは反対側の前記ミラー層(21)の前記上面、および前記活性領域の前記露出側面への前記さらなる保護層の適合的堆積によって行われる、請求項1〜6のいずれかに記載の方法。
- −半導体緩衝領域(14)が、前記ミラー層(21)とは反対側の前記活性領域の側で露出し、
−導電性材料(7)が、前記半導体緩衝領域(14)に設けられ、
−前記導電性材料(7)は、前記さらなる保護層(8)に沿って延在する、請求項1〜7のいずれかに記載の方法。 - −前記活性領域および/または前記中間保護層は、前記活性領域の前記側面の露出後、前記横方向(l)に前記ミラー層(21)を越えて突出し、
−前記活性領域および/または前記中間保護層(4)は、前記ミラー層を最大で2000nm越えて突出する、請求項4に記載の方法。 - 前記中間保護層(4)および/または前記ミラー保護層(3)は、前記完成したオプトエレクトロニクス半導体チップ(1)内に残存する、請求項4に記載の方法。
- 前記ミラー保護層(3)は、前記半導体積層体(10)の側面には存在しない、請求項10に記載の方法。
- −半導体積層体(10)を設けるステップと、
−前記半導体積層体(10)の上面に金属ミラー層(21)を配置するステップと、
−前記ミラー層(21)の少なくとも露出側面(21c)にミラー保護層(3)を配置するステップと、
−前記半導体積層体(10)を部分的に除去するステップと、
を含む、オプトエレクトロニクス半導体チップ(1)の製造方法であって、
−前記ミラー層(21)は、横方向(l)において前記ミラー保護層(3)に囲われる、前記半導体積層体(10)に向かう開口部(23)を有し、
−前記半導体積層体(10)の前記部分的除去は、前記ミラー層(21)の前記開口部(23)の領域内で行われ、
−前記ミラー層(21)の前記露出側面(21c)への前記ミラー保護層(3)の配置は、自己配置により行ない、
−前記半導体積層体(10)とは反対側の前記ミラー層の上面(21a)に、前記ミラー層(21)に向かう開口部を有する前記ミラー保護層(3)を配置するステップと、
−前記ミラー層(21)の前記開口部(23)内で露出する、前記ミラー層(21)の前記側面(21c)を越えて前記横方向(l)に突出する、前記ミラー保護層(3)の、前記開口部の領域内で前記ミラー層(21)を除去して前記ミラー層(21)の前記開口部(23)を形成するステップと、
−前記ミラー層(21)の前記側面(21c)を越えて前記横方向(l)に突出している前記ミラー保護層(3)の少なくとも一部(30)が前記ミラー層(21)の前記側面(21c)に沿って流れ、被覆するように、前記ミラー保護層(3)を軟化させるステップとは、
前記ミラー層(21)の前記露出側面(21c)上に前記ミラー保護層(3)を自己配置させるために実行される、方法。 - 前記ミラー保護層(3)は、感光技術で構造化可能な材料を用いて形成される、請求項12に記載の方法。
- −半導体積層体(10)を設けるステップと、
−前記半導体積層体(10)の上面に金属ミラー層(21)を配置するステップと、
−前記半導体積層体(10)を部分的に除去するステップと、
を含む、オプトエレクトロニクス半導体チップ(1)の製造方法であって、
−前記ミラー層(21)は、前記半導体積層体(10)に向かう開口部(23)を有し、
−前記半導体積層体(10)の前記部分的除去は、前記ミラー層(21)の前記開口部(23)の領域内で行われ、
前記半導体積層体(10)の活性領域は、前記半導体積層体(10)の前記部分的除去の際に貫通され、前記活性領域の側面は露出し、
さらなる保護層(8)が、前記活性領域の前記側面の前記露出後、前記活性領域の前記露出側面に自己配置し、
前記さらなる保護層(8)は、前記ミラー層(21)の側面全面を被覆し、
前記半導体積層体(10)の反対側の前記ミラー層(21)の面には、前記さらなる保護層(8)は存在しない、方法。 - −半導体緩衝領域(14)が、前記ミラー層(21)とは反対側の前記活性領域の側で露出し、
−導電性材料(7)が、前記半導体緩衝領域(14)に設けられ、
−前記導電性材料(7)は、前記さらなる保護層(8)に沿って延在する、請求項14に記載の方法。
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PCT/EP2013/067445 WO2014033041A1 (de) | 2012-08-28 | 2013-08-22 | Verfahren zur herstellung eines optoelektronischen halbleiterchips mit reflektierender elektrode |
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DE102014112750A1 (de) | 2014-09-04 | 2016-03-10 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines optoelektronischen Halbleiterbauteils und optoelektronisches Halbleiterbauteil |
DE102014115253A1 (de) * | 2014-10-20 | 2016-04-21 | Osram Opto Semiconductors Gmbh | Verfahren zur Strukturierung einer Schichtenfolge und Halbleiterlaser-Vorrichtung |
DE102015100686A1 (de) * | 2015-01-19 | 2016-07-21 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung einer Mehrzahl von Halbleiterchips und Halbleiterchip |
DE102015102378B4 (de) | 2015-02-19 | 2022-09-15 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Verfahren zur Herstellung eines Halbleiterkörpers |
DE102015102374A1 (de) * | 2015-02-19 | 2016-08-25 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines Halbleiterkörpers |
DE102015107590A1 (de) * | 2015-05-13 | 2016-11-17 | Osram Opto Semiconductors Gmbh | Verfahren zur Verspiegelung von Mantelflächen von optischen Bauelementen für die Verwendung in optoelektronischen Halbleiterkörpern und oberflächenmontierbarer optoelektronischer Halbleiterkörper |
JP6665466B2 (ja) * | 2015-09-26 | 2020-03-13 | 日亜化学工業株式会社 | 半導体発光素子及びその製造方法 |
DE102015116865A1 (de) | 2015-10-05 | 2017-04-06 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines Halbleiterchips und Halbleiterchip |
DE102015119353B4 (de) | 2015-11-10 | 2024-01-25 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronisches Halbleiterbauteil und Verfahren zur Herstellung eines optoelektronischen Halbleiterbauteils |
DE102016103059A1 (de) * | 2016-02-22 | 2017-08-24 | Osram Opto Semiconductors Gmbh | Halbleiterbauelement und Verfahren zur Herstellung eines Halbleiterbauelements |
DE102016105056A1 (de) * | 2016-03-18 | 2017-09-21 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines optoelektronischen Halbleiterchips und optoelektronischer Halbleiterchip |
DE102016106928A1 (de) * | 2016-04-14 | 2017-10-19 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip und Verfahren zur Herstellung eines optoelektronischen Halbleiterchips |
DE102016124847B4 (de) * | 2016-12-19 | 2023-06-07 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronischer Halbleiterchip und Verfahren zur Herstellung eines optoelektronischen Halbleiterchips |
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DE102018106970A1 (de) * | 2018-03-23 | 2019-09-26 | Osram Opto Semiconductors Gmbh | Optoelektronisches Halbleiterbauelement und Verfahren zur Herstellung eines optoelektronischen Halbleiterbauelements |
JP2020154053A (ja) * | 2019-03-18 | 2020-09-24 | 株式会社リコー | 光偏向素子及びその製造方法、光偏向システム、光走査システム |
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